From b065fa48e802487198ad73915dd017c4464e8c62 Mon Sep 17 00:00:00 2001
From: Fup Duck <fupduck@sacknagel.com>
Date: Fri, 19 Jan 2018 17:34:45 +0100
Subject: improve layout

* improve layout
* gracefully handle orientation changes
* respect small devices
* set correct colors for buttons, error messages...
---
 .../se/leap/bitmaskclient/ConfigurationWizard.java |  34 +-
 .../insecure/res/layout/new_provider_dialog.xml    |   2 +-
 .../AbstractProviderDetailActivity.java            |   9 +-
 .../bitmaskclient/BaseConfigurationWizard.java     |  64 ++--
 .../bitmaskclient/ConfigWizardBaseActivity.java    |  27 +-
 .../java/se/leap/bitmaskclient/LoginActivity.java  |   2 +-
 .../main/java/se/leap/bitmaskclient/Provider.java  |  10 +-
 .../ProviderCredentialsBaseActivity.java           | 344 ++++++++++++++++++---
 .../java/se/leap/bitmaskclient/SignupActivity.java |  36 +--
 .../main/res/layout-xlarge/a_provider_detail.xml   |  32 ++
 .../res/layout-xlarge/provider_detail_fragment.xml |  32 --
 app/src/main/res/layout/a_login.xml                |  38 ---
 app/src/main/res/layout/a_provider_credentials.xml |  54 ++++
 app/src/main/res/layout/a_provider_detail.xml      |  40 +++
 app/src/main/res/layout/a_signup.xml               |  38 ---
 app/src/main/res/layout/provider_credentials.xml   |  66 ++++
 .../main/res/layout/provider_credentials_login.xml |  38 ---
 .../res/layout/provider_credentials_signup.xml     |  24 --
 .../main/res/layout/provider_detail_fragment.xml   |  41 ---
 app/src/main/res/values-v21/styles.xml             |   2 +-
 app/src/main/res/values-v21/themes.xml             |   2 +-
 .../se/leap/bitmaskclient/ConfigurationWizard.java |  27 +-
 22 files changed, 598 insertions(+), 364 deletions(-)
 create mode 100644 app/src/main/res/layout-xlarge/a_provider_detail.xml
 delete mode 100644 app/src/main/res/layout-xlarge/provider_detail_fragment.xml
 delete mode 100644 app/src/main/res/layout/a_login.xml
 create mode 100644 app/src/main/res/layout/a_provider_credentials.xml
 create mode 100644 app/src/main/res/layout/a_provider_detail.xml
 delete mode 100644 app/src/main/res/layout/a_signup.xml
 create mode 100644 app/src/main/res/layout/provider_credentials.xml
 delete mode 100644 app/src/main/res/layout/provider_credentials_login.xml
 delete mode 100644 app/src/main/res/layout/provider_credentials_signup.xml
 delete mode 100644 app/src/main/res/layout/provider_detail_fragment.xml

diff --git a/app/src/insecure/java/se/leap/bitmaskclient/ConfigurationWizard.java b/app/src/insecure/java/se/leap/bitmaskclient/ConfigurationWizard.java
index 8a5a6190..3e176fc1 100644
--- a/app/src/insecure/java/se/leap/bitmaskclient/ConfigurationWizard.java
+++ b/app/src/insecure/java/se/leap/bitmaskclient/ConfigurationWizard.java
@@ -64,10 +64,10 @@ public class ConfigurationWizard extends BaseConfigurationWizard {
 
     public void showAndSelectProvider(String provider_main_url, boolean danger_on) {
         try {
-            selectedProvider = new Provider(new URL((provider_main_url)));
-            adapter.add(selectedProvider);
+            provider = new Provider(new URL((provider_main_url)));
+            adapter.add(provider);
             adapter.saveProviders();
-            autoSelectProvider(selectedProvider, danger_on);
+            autoSelectProvider(provider, danger_on);
         } catch (MalformedURLException e) {
             e.printStackTrace();
         }
@@ -75,7 +75,7 @@ public class ConfigurationWizard extends BaseConfigurationWizard {
 
     private void autoSelectProvider(Provider provider, boolean danger_on) {
         preferences.edit().putBoolean(ProviderItem.DANGER_ON, danger_on).apply();
-        selectedProvider = provider;
+        provider = provider;
         onItemSelectedLogic();
         showProgressBar();
     }
@@ -87,24 +87,24 @@ public class ConfigurationWizard extends BaseConfigurationWizard {
      */
     public void setUpProvider(boolean danger_on) {
         mConfigState.setAction(SETTING_UP_PROVIDER);
-        Intent provider_API_command = new Intent(this, ProviderAPI.class);
+        Intent providerAPICommand = new Intent(this, ProviderAPI.class);
         Bundle parameters = new Bundle();
-        parameters.putString(Provider.MAIN_URL, selectedProvider.getMainUrl().toString());
+        parameters.putString(Provider.MAIN_URL, provider.getMainUrl().toString());
         parameters.putBoolean(ProviderItem.DANGER_ON, danger_on);
-        if (selectedProvider.hasCertificatePin()){
-            parameters.putString(Provider.CA_CERT_FINGERPRINT, selectedProvider.certificatePin());
+        if (provider.hasCertificatePin()){
+            parameters.putString(Provider.CA_CERT_FINGERPRINT, provider.certificatePin());
         }
-        if (selectedProvider.hasCaCert()) {
-            parameters.putString(Provider.CA_CERT, selectedProvider.getCaCert());
+        if (provider.hasCaCert()) {
+            parameters.putString(Provider.CA_CERT, provider.getCaCert());
         }
-        if (selectedProvider.hasDefinition()) {
-            parameters.putString(Provider.KEY, selectedProvider.getDefinition().toString());
+        if (provider.hasDefinition()) {
+            parameters.putString(Provider.KEY, provider.getDefinition().toString());
         }
 
-        provider_API_command.setAction(ProviderAPI.SET_UP_PROVIDER);
-        provider_API_command.putExtra(ProviderAPI.PARAMETERS, parameters);
+        providerAPICommand.setAction(ProviderAPI.SET_UP_PROVIDER);
+        providerAPICommand.putExtra(ProviderAPI.PARAMETERS, parameters);
 
-        startService(provider_API_command);
+        startService(providerAPICommand);
     }
 
     /**
@@ -117,13 +117,13 @@ public class ConfigurationWizard extends BaseConfigurationWizard {
             addAndSelectNewProvider(ProviderAPI.lastProviderMainUrl(), ProviderAPI.lastDangerOn());
         } else {
             showProgressBar();
-            adapter.hideAllBut(adapter.indexOf(selectedProvider));
+            adapter.hideAllBut(adapter.indexOf(provider));
 
             Intent providerAPICommand = new Intent(this, ProviderAPI.class);
 
             providerAPICommand.setAction(ProviderAPI.SET_UP_PROVIDER);
             Bundle parameters = new Bundle();
-            parameters.putString(Provider.MAIN_URL, selectedProvider.getMainUrl().toString());
+            parameters.putString(Provider.MAIN_URL, provider.getMainUrl().toString());
             providerAPICommand.putExtra(ProviderAPI.PARAMETERS, parameters);
 
             startService(providerAPICommand);
diff --git a/app/src/insecure/res/layout/new_provider_dialog.xml b/app/src/insecure/res/layout/new_provider_dialog.xml
index 19b8f442..8888a1d9 100644
--- a/app/src/insecure/res/layout/new_provider_dialog.xml
+++ b/app/src/insecure/res/layout/new_provider_dialog.xml
@@ -3,7 +3,7 @@
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
     android:orientation="vertical" >
-    
+
     <EditText
         android:id="@+id/new_provider_url"
         android:inputType="textUri"
diff --git a/app/src/main/java/se/leap/bitmaskclient/AbstractProviderDetailActivity.java b/app/src/main/java/se/leap/bitmaskclient/AbstractProviderDetailActivity.java
index c5a74490..cb5f334b 100644
--- a/app/src/main/java/se/leap/bitmaskclient/AbstractProviderDetailActivity.java
+++ b/app/src/main/java/se/leap/bitmaskclient/AbstractProviderDetailActivity.java
@@ -35,7 +35,7 @@ public abstract class AbstractProviderDetailActivity extends ConfigWizardBaseAct
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.provider_detail_fragment);
+        setContentView(R.layout.a_provider_detail);
 
         try {
             JSONObject providerJson = new JSONObject(preferences.getString(Provider.KEY, ""));
@@ -73,6 +73,7 @@ public abstract class AbstractProviderDetailActivity extends ConfigWizardBaseAct
                         Log.d(TAG, "use anonymously selected");
                         intent = new Intent(getApplicationContext(), MainActivity.class);
                     }
+                    intent.putExtra(PROVIDER_KEY, provider);
                     intent.setFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
                     startActivity(intent);
                 }
@@ -82,6 +83,12 @@ public abstract class AbstractProviderDetailActivity extends ConfigWizardBaseAct
         }
     }
 
+    @Override
+    protected void onNewIntent(Intent intent) {
+        super.onNewIntent(intent);
+        provider = intent.getParcelableExtra(PROVIDER_KEY);
+    }
+
     private boolean anonAllowed(JSONObject providerJson) {
         try {
             JSONObject serviceDescription = providerJson.getJSONObject(Provider.SERVICE);
diff --git a/app/src/main/java/se/leap/bitmaskclient/BaseConfigurationWizard.java b/app/src/main/java/se/leap/bitmaskclient/BaseConfigurationWizard.java
index 8e4f1607..1025a64e 100644
--- a/app/src/main/java/se/leap/bitmaskclient/BaseConfigurationWizard.java
+++ b/app/src/main/java/se/leap/bitmaskclient/BaseConfigurationWizard.java
@@ -80,10 +80,11 @@ public abstract class BaseConfigurationWizard extends ConfigWizardBaseActivity
 
     private ProviderManager providerManager;
     protected Intent mConfigState = new Intent(PROVIDER_NOT_SET);
-    protected Provider selectedProvider;
 
     final public static String TAG = ConfigurationWizard.class.getSimpleName();
 
+    final private static String ACTIVITY_STATE = "ACTIVITY STATE";
+
     final protected static String PROVIDER_NOT_SET = "PROVIDER NOT SET";
     final protected static String SETTING_UP_PROVIDER = "PROVIDER GETS SET";
     final private static  String SHOWING_PROVIDER_DETAILS = "SHOWING PROVIDER DETAILS";
@@ -91,8 +92,6 @@ public abstract class BaseConfigurationWizard extends ConfigWizardBaseActivity
     final private static String REASON_TO_FAIL = "REASON TO FAIL";
     final protected static String SERVICES_RETRIEVED = "SERVICES RETRIEVED";
 
-    final private static String ACTIVITY_STATE = "ACTIVITY STATE";
-
     public ProviderAPIResultReceiver providerAPIResultReceiver;
     private ProviderAPIBroadcastReceiver providerAPIBroadcastReceiver;
 
@@ -119,7 +118,7 @@ public abstract class BaseConfigurationWizard extends ConfigWizardBaseActivity
         //if (progressbarDescription != null)
         //    outState.putString(PROGRESSBAR_TEXT, progressbarDescription.getText().toString());
         outState.putString(ACTIVITY_STATE, mConfigState.getAction());
-        outState.putParcelable(Provider.KEY, selectedProvider);
+        outState.putParcelable(Provider.KEY, provider);
 
         DialogFragment dialogFragment = (DialogFragment) fragmentManager.findFragmentByTag(DownloadFailedDialog.TAG);
         if (dialogFragment != null) {
@@ -147,7 +146,7 @@ public abstract class BaseConfigurationWizard extends ConfigWizardBaseActivity
 
     private void restoreState(Bundle savedInstanceState) {
 
-        selectedProvider = savedInstanceState.getParcelable(Provider.KEY);
+        provider = savedInstanceState.getParcelable(Provider.KEY);
         mConfigState.setAction(savedInstanceState.getString(ACTIVITY_STATE, PROVIDER_NOT_SET));
 
         reasonToFail = savedInstanceState.getString(REASON_TO_FAIL);
@@ -170,7 +169,7 @@ public abstract class BaseConfigurationWizard extends ConfigWizardBaseActivity
         isActivityShowing = true;
         if (SETTING_UP_PROVIDER.equals(mConfigState.getAction())) {
             showProgressBar();
-            adapter.hideAllBut(adapter.indexOf(selectedProvider));
+            adapter.hideAllBut(adapter.indexOf(provider));
             checkProviderSetUp();
         } else if (PENDING_SHOW_FAILED_DIALOG.equals(mConfigState.getAction())) {
             showDownloadFailedDialog();
@@ -212,9 +211,9 @@ public abstract class BaseConfigurationWizard extends ConfigWizardBaseActivity
         try {
             String providerJsonString = preferences.getString(Provider.KEY, "");
             if (!providerJsonString.isEmpty())
-                selectedProvider.define(new JSONObject(providerJsonString));
+                provider.define(new JSONObject(providerJsonString));
             String caCert = preferences.getString(Provider.CA_CERT, "");
-            selectedProvider.setCACert(caCert);
+            provider.setCACert(caCert);
         } catch (JSONException e) {
             e.printStackTrace();
         }
@@ -267,7 +266,7 @@ public abstract class BaseConfigurationWizard extends ConfigWizardBaseActivity
 
         //TODO Code 2 pane view
         mConfigState.setAction(SETTING_UP_PROVIDER);
-        selectedProvider = adapter.getItem(position);
+        provider = adapter.getItem(position);
         showProgressBar();
         onItemSelectedLogic();
     }
@@ -305,7 +304,7 @@ public abstract class BaseConfigurationWizard extends ConfigWizardBaseActivity
 
         providerAPICommand.setAction(ProviderAPI.UPDATE_PROVIDER_DETAILS);
         Bundle parameters = new Bundle();
-        parameters.putString(Provider.MAIN_URL, selectedProvider.getMainUrl().toString());
+        parameters.putString(Provider.MAIN_URL, provider.getMainUrl().toString());
         providerAPICommand.putExtra(ProviderAPI.PARAMETERS, parameters);
 
         startService(providerAPICommand);
@@ -391,6 +390,7 @@ public abstract class BaseConfigurationWizard extends ConfigWizardBaseActivity
             mConfigState.setAction(SHOWING_PROVIDER_DETAILS);
             Intent intent = new Intent(this, ProviderDetailActivity.class);
             intent.setFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
+            intent.putExtra(PROVIDER_KEY, provider);
             startActivity(intent);
         }
     }
@@ -417,38 +417,42 @@ public abstract class BaseConfigurationWizard extends ConfigWizardBaseActivity
 
     public void cancelAndShowAllProviders() {
         mConfigState.setAction(PROVIDER_NOT_SET);
-        selectedProvider = null;
+        provider = null;
         adapter.showAllProviders();
     }
 
     public class ProviderAPIBroadcastReceiver extends BroadcastReceiver {
         @Override
         public void onReceive(Context context, Intent intent) {
-            String action = intent.getAction();
+            Log.d(TAG, "received Broadcast");
 
-            if (action == null) {
+            String action = intent.getAction();
+            if (action == null || !action.equalsIgnoreCase(PROVIDER_API_EVENT)) {
                 return;
             }
 
-            // TODO check if correct provider given
-            if (action.equalsIgnoreCase(PROVIDER_API_EVENT) && mConfigState.getAction() != null &&
+            if (mConfigState.getAction() != null &&
                     mConfigState.getAction().equalsIgnoreCase(SETTING_UP_PROVIDER)) {
                 int resultCode = intent.getIntExtra(RESULT_CODE, -1);
-
-                switch (resultCode) {
-                    case PROVIDER_OK:
-                        handleProviderSetUp();
-                        break;
-                    case PROVIDER_NOK:
-                        handleProviderSetupFailed((Bundle) intent.getParcelableExtra(RESULT_KEY));
-                        break;
-                    case CORRECTLY_DOWNLOADED_CERTIFICATE:
-                        handleCorrectlyDownloadedCertificate();
-                        break;
-                    case INCORRECTLY_DOWNLOADED_CERTIFICATE:
-                        handleIncorrectlyDownloadedCertificate();
-                        break;
-
+                Log.d(TAG, "Broadcast resultCode: " + Integer.toString(resultCode));
+
+
+                if (getProviderName().equalsIgnoreCase(provider.getName()) &&
+                        getProviderDomain().equalsIgnoreCase(provider.getDomain())) {
+                    switch (resultCode) {
+                        case PROVIDER_OK:
+                            handleProviderSetUp();
+                            break;
+                        case PROVIDER_NOK:
+                            handleProviderSetupFailed((Bundle) intent.getParcelableExtra(RESULT_KEY));
+                            break;
+                        case CORRECTLY_DOWNLOADED_CERTIFICATE:
+                            handleCorrectlyDownloadedCertificate();
+                            break;
+                        case INCORRECTLY_DOWNLOADED_CERTIFICATE:
+                            handleIncorrectlyDownloadedCertificate();
+                            break;
+                    }
                 }
             }
         }
diff --git a/app/src/main/java/se/leap/bitmaskclient/ConfigWizardBaseActivity.java b/app/src/main/java/se/leap/bitmaskclient/ConfigWizardBaseActivity.java
index 3e83d9bc..98715c1a 100644
--- a/app/src/main/java/se/leap/bitmaskclient/ConfigWizardBaseActivity.java
+++ b/app/src/main/java/se/leap/bitmaskclient/ConfigWizardBaseActivity.java
@@ -5,6 +5,7 @@ import android.os.Bundle;
 import android.support.annotation.DrawableRes;
 import android.support.annotation.Nullable;
 import android.support.annotation.StringRes;
+import android.support.v4.app.FragmentTransaction;
 import android.support.v7.widget.AppCompatImageView;
 import android.support.v7.widget.AppCompatTextView;
 import android.view.View;
@@ -14,10 +15,14 @@ import android.widget.LinearLayout;
 import org.json.JSONException;
 import org.json.JSONObject;
 
+import java.util.Locale;
+
 import butterknife.InjectView;
+import se.leap.bitmaskclient.userstatus.SessionDialog;
 
 import static android.view.View.GONE;
 import static android.view.View.VISIBLE;
+import static se.leap.bitmaskclient.Constants.PROVIDER_KEY;
 import static se.leap.bitmaskclient.Constants.SHARED_PREFERENCES;
 
 /**
@@ -45,10 +50,14 @@ public abstract class ConfigWizardBaseActivity extends ButterKnifeActivity {
     @InjectView(R.id.content)
     protected LinearLayout content;
 
+    protected Provider provider;
+
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         preferences = getSharedPreferences(SHARED_PREFERENCES, MODE_PRIVATE);
+
+        provider = getIntent().getParcelableExtra(PROVIDER_KEY);
     }
 
     @Override
@@ -84,12 +93,26 @@ public abstract class ConfigWizardBaseActivity extends ButterKnifeActivity {
     protected String getProviderName() {
         try {
             JSONObject providerJson = new JSONObject(preferences.getString(Provider.KEY, ""));
-            return providerJson.getJSONObject(Provider.NAME).getString("en");
+            String lang = Locale.getDefault().getLanguage();
+            return providerJson.getJSONObject(Provider.NAME).getString(lang);
         } catch (JSONException e) {
-            return null;
+            try {
+                JSONObject providerJson = new JSONObject(preferences.getString(Provider.KEY, ""));
+                return providerJson.getJSONObject(Provider.NAME).getString("en");
+            } catch (JSONException e2) {
+                return null;
+            }
         }
     }
 
+    protected String getProviderDomain() {
+        try {
+            JSONObject providerJson = new JSONObject(preferences.getString(Provider.KEY, ""));
+            return providerJson.getString(Provider.DOMAIN);
+        } catch (JSONException e) {
+            return null;
+        }
+    }
     protected void hideProgressBar() {
         loadingScreen.setVisibility(GONE);
         content.setVisibility(VISIBLE);
diff --git a/app/src/main/java/se/leap/bitmaskclient/LoginActivity.java b/app/src/main/java/se/leap/bitmaskclient/LoginActivity.java
index 06cf5b89..6ae288c2 100644
--- a/app/src/main/java/se/leap/bitmaskclient/LoginActivity.java
+++ b/app/src/main/java/se/leap/bitmaskclient/LoginActivity.java
@@ -16,7 +16,6 @@ public class LoginActivity extends ProviderCredentialsBaseActivity {
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.a_login);
         setProgressbarText(R.string.logging_in);
         setProviderHeaderLogo(R.drawable.mask);
         setProviderHeaderText(R.string.login_to_profile);
@@ -30,6 +29,7 @@ public class LoginActivity extends ProviderCredentialsBaseActivity {
     @Override
     @OnClick(R.id.button)
     void handleButton() {
+        super.handleButton();
         login(getUsername(), getPassword());
     }
 
diff --git a/app/src/main/java/se/leap/bitmaskclient/Provider.java b/app/src/main/java/se/leap/bitmaskclient/Provider.java
index 60b1b93c..95daccc6 100644
--- a/app/src/main/java/se/leap/bitmaskclient/Provider.java
+++ b/app/src/main/java/se/leap/bitmaskclient/Provider.java
@@ -158,9 +158,13 @@ public final class Provider implements Parcelable {
                 name = definition.getJSONObject(API_TERM_NAME).getString(lang);
             else throw new JSONException("Provider not defined");
         } catch (JSONException e) {
-            if (mainUrl != null) {
-                String host = mainUrl.getDomain();
-                name = host.substring(0, host.indexOf("."));
+            try {
+                name = definition.getJSONObject(API_TERM_NAME).getString("en");
+            } catch (JSONException e2) {
+                if (mainUrl != null) {
+                    String host = mainUrl.getDomain();
+                    name = host.substring(0, host.indexOf("."));
+                }
             }
         }
 
diff --git a/app/src/main/java/se/leap/bitmaskclient/ProviderCredentialsBaseActivity.java b/app/src/main/java/se/leap/bitmaskclient/ProviderCredentialsBaseActivity.java
index c15481e5..1d1908a6 100644
--- a/app/src/main/java/se/leap/bitmaskclient/ProviderCredentialsBaseActivity.java
+++ b/app/src/main/java/se/leap/bitmaskclient/ProviderCredentialsBaseActivity.java
@@ -1,18 +1,36 @@
 package se.leap.bitmaskclient;
 
+import android.content.BroadcastReceiver;
+import android.content.Context;
 import android.content.Intent;
+import android.content.IntentFilter;
 import android.os.Bundle;
-import android.os.Handler;
 import android.support.annotation.Nullable;
 import android.support.annotation.StringRes;
 import android.support.design.widget.TextInputEditText;
+import android.support.design.widget.TextInputLayout;
 import android.support.v7.widget.AppCompatButton;
+import android.support.v7.widget.AppCompatTextView;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.util.Log;
+import android.view.KeyEvent;
+import android.widget.TextView;
 
 import butterknife.InjectView;
 import butterknife.OnClick;
 import se.leap.bitmaskclient.userstatus.SessionDialog;
+import se.leap.bitmaskclient.userstatus.SessionDialog.ERRORS;
 import se.leap.bitmaskclient.userstatus.User;
 
+import static android.view.View.GONE;
+import static android.view.View.VISIBLE;
+import static android.view.inputmethod.EditorInfo.IME_ACTION_DONE;
+import static se.leap.bitmaskclient.ProviderAPI.PROVIDER_API_EVENT;
+import static se.leap.bitmaskclient.ProviderAPI.RESULT_CODE;
+import static se.leap.bitmaskclient.ProviderAPI.RESULT_KEY;
+import static se.leap.bitmaskclient.userstatus.SessionDialog.USERNAME;
+
 /**
  * Base Activity for activities concerning a provider interaction
  *
@@ -21,56 +39,168 @@ import se.leap.bitmaskclient.userstatus.User;
 
 public abstract class ProviderCredentialsBaseActivity extends ConfigWizardBaseActivity {
 
-    protected ProviderAPIResultReceiver providerAPIResultReceiver;
+    final protected static String TAG = ProviderCredentialsBaseActivity.class.getName();
+
+    final private static String ACTIVITY_STATE = "ACTIVITY STATE";
+
+    final private static String SHOWING_FORM = "SHOWING_FORM";
+    final private static String PERFORMING_ACTION = "PERFORMING_ACTION";
+    final private static String USER_MESSAGE = "USER_MESSAGE";
+    final private static String USERNAME_ERROR = "USERNAME_ERROR";
+    final private static String PASSWORD_ERROR = "PASSWORD_ERROR";
+    final private static String PASSWORD_VERIFICATION_ERROR = "PASSWORD_VERIFICATION_ERROR";
+
+    protected Intent mConfigState = new Intent(SHOWING_FORM);
+    protected ProviderAPIBroadcastReceiver providerAPIBroadcastReceiver;
+
+    @InjectView(R.id.provider_credentials_user_message)
+    AppCompatTextView userMessage;
 
     @InjectView(R.id.provider_credentials_username)
-    TextInputEditText providerCredentialsUsername;
+    TextInputEditText usernameField;
 
     @InjectView(R.id.provider_credentials_password)
-    TextInputEditText providerCredentialsPassword;
+    TextInputEditText passwordField;
+
+    @InjectView(R.id.provider_credentials_password_verification)
+    TextInputEditText passwordVerificationField;
+
+    @InjectView(R.id.provider_credentials_username_error)
+    TextInputLayout usernameError;
+
+    @InjectView(R.id.provider_credentials_password_error)
+    TextInputLayout passwordError;
+
+    @InjectView(R.id.provider_credentials_password_verification_error)
+    TextInputLayout passwordVerificationError;
 
     @InjectView(R.id.button)
-    AppCompatButton providerCredentialsButton;
+    AppCompatButton button;
 
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        providerAPIResultReceiver = new ProviderAPIResultReceiver(new Handler(), new ProviderCredentialsReceiver(this));
+        setContentView(R.layout.a_provider_credentials);
+        providerAPIBroadcastReceiver = new ProviderAPIBroadcastReceiver();
+
+        IntentFilter updateIntentFilter = new IntentFilter(PROVIDER_API_EVENT);
+        updateIntentFilter.addCategory(Intent.CATEGORY_DEFAULT);
+        registerReceiver(providerAPIBroadcastReceiver, updateIntentFilter);
+
+        setUpListeners();
+        if(savedInstanceState != null) {
+            restoreState(savedInstanceState);
+        }
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+
+        String action = mConfigState.getAction();
+        if (action == null) {
+            return;
+        }
+
+        if(action.equalsIgnoreCase(PERFORMING_ACTION)) {
+            showProgressBar();
+        }
+    }
+
+    private void restoreState(Bundle savedInstance) {
+        if (savedInstance.getString(USER_MESSAGE) != null) {
+            userMessage.setText(savedInstance.getString(USER_MESSAGE));
+            userMessage.setVisibility(VISIBLE);
+        }
+        usernameError.setError(savedInstance.getString(USERNAME_ERROR));
+        passwordError.setError(savedInstance.getString(PASSWORD_ERROR));
+        passwordVerificationError.setError(savedInstance.getString(PASSWORD_VERIFICATION_ERROR));
+        if (savedInstance.getString(ACTIVITY_STATE) != null) {
+            mConfigState.setAction(savedInstance.getString(ACTIVITY_STATE));
+        }
+    }
+
+    @Override
+    public void onSaveInstanceState(Bundle outState) {
+        outState.putString(ACTIVITY_STATE, mConfigState.getAction());
+        if (userMessage.getText() != null && userMessage.getVisibility() == VISIBLE) {
+            outState.putString(USER_MESSAGE, userMessage.getText().toString());
+        }
+        if (usernameError.getError() != null) {
+            outState.putString(USERNAME_ERROR, usernameError.getError().toString());
+        }
+        if (passwordError.getError() != null) {
+            outState.putString(PASSWORD_ERROR, passwordError.getError().toString());
+        }
+        if (passwordVerificationError.getError() != null) {
+            outState.putString(PASSWORD_VERIFICATION_ERROR, passwordVerificationError.getError().toString());
+        }
+
+        super.onSaveInstanceState(outState);
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        if (providerAPIBroadcastReceiver != null)
+            unregisterReceiver(providerAPIBroadcastReceiver);
     }
 
     @OnClick(R.id.button)
-    abstract void handleButton();
+    void handleButton() {
+        mConfigState.setAction(PERFORMING_ACTION);
+    }
 
     protected void setButtonText(@StringRes int buttonText) {
-        providerCredentialsButton.setText(buttonText);
+        button.setText(buttonText);
     }
 
     String getUsername() {
-        return providerCredentialsUsername.getText().toString();
+        String username = usernameField.getText().toString();
+        String providerDomain = provider.getDomain();
+        if (username.endsWith(providerDomain)) {
+            return username.split("@" + providerDomain)[0];
+        }
+        return username;
     }
 
     String getPassword() {
-        return providerCredentialsPassword.getText().toString();
+        return passwordField.getText().toString();
+    }
+
+    String getPasswordVerification() {
+        return passwordVerificationField.getText().toString();
     }
 
     void login(String username, String password) {
         showProgressBar();
+
         User.setUserName(username);
-        Bundle parameters = bundlePassword(password);
-        ProviderAPICommand.execute(parameters, ProviderAPI.LOG_IN, providerAPIResultReceiver);
-    }
 
-    void downloadVpnCertificate() {
         Intent providerAPICommand = new Intent(this, ProviderAPI.class);
-        ProviderAPICommand.execute(Bundle.EMPTY, ProviderAPI.DOWNLOAD_CERTIFICATE, providerAPIResultReceiver);
+        Bundle parameters = bundlePassword(password);
+        providerAPICommand.setAction(ProviderAPI.LOG_IN);
+        providerAPICommand.putExtra(ProviderAPI.PARAMETERS, parameters);
+        startService(providerAPICommand);
     }
 
-
     public void signUp(String username, String password) {
         showProgressBar();
+
         User.setUserName(username);
+
+        Intent providerAPICommand = new Intent(this, ProviderAPI.class);
         Bundle parameters = bundlePassword(password);
-        ProviderAPICommand.execute(parameters, ProviderAPI.SIGN_UP, providerAPIResultReceiver);
+        providerAPICommand.setAction(ProviderAPI.SIGN_UP);
+        providerAPICommand.putExtra(ProviderAPI.PARAMETERS, parameters);
+        startService(providerAPICommand);
+    }
+
+    void downloadVpnCertificate() {
+        Intent providerAPICommand = new Intent(this, ProviderAPI.class);
+        providerAPICommand.setAction(ProviderAPI.DOWNLOAD_CERTIFICATE);
+        providerAPICommand.putExtra(ProviderAPI.PARAMETERS, Bundle.EMPTY);
+        startService(providerAPICommand);
     }
 
     protected Bundle bundlePassword(String password) {
@@ -80,42 +210,162 @@ public abstract class ProviderCredentialsBaseActivity extends ConfigWizardBaseAc
         return parameters;
     }
 
-    public static class ProviderCredentialsReceiver implements ProviderAPIResultReceiver.Receiver{
+    private void setUpListeners() {
+        usernameField.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+            }
 
-        private ProviderCredentialsBaseActivity activity;
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+            }
+
+            @Override
+            public void afterTextChanged(Editable s) {
+                if (getUsername().equalsIgnoreCase("")) {
+                    usernameError.setError(getString(R.string.username_ask));
+                } else {
+                    usernameError.setError(null);
+                }
+            }
+        });
+        usernameField.setOnEditorActionListener(new TextView.OnEditorActionListener() {
+            @Override
+            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
+                if (actionId == IME_ACTION_DONE
+                        || event != null && event.getAction() == KeyEvent.ACTION_DOWN
+                        && event.getKeyCode() == KeyEvent.KEYCODE_ENTER) {
+                    passwordField.requestFocus();
+                    return true;
+                }
+                return false;
+            }
+        });
+
+        passwordField.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+            }
 
-        ProviderCredentialsReceiver(ProviderCredentialsBaseActivity activity) {
-            this.activity = activity;
+            @Override
+            public void afterTextChanged(Editable s) {
+                if(getPassword().length() < 8) {
+                    passwordError.setError(getString(R.string.error_not_valid_password_user_message));
+                } else {
+                    passwordError.setError(null);
+                }
+            }
+        });
+        passwordField.setOnEditorActionListener(new TextView.OnEditorActionListener() {
+            @Override
+            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
+                if (actionId == IME_ACTION_DONE
+                        || event != null && event.getAction() == KeyEvent.ACTION_DOWN
+                        && event.getKeyCode() == KeyEvent.KEYCODE_ENTER) {
+                    if (passwordVerificationField.getVisibility() == VISIBLE) {
+                        passwordVerificationField.requestFocus();
+                    } else {
+                        button.performClick();
+                    }
+                    return true;
+                }
+                return false;
+            }
+        });
+
+        passwordVerificationField.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+            }
+
+            @Override
+            public void afterTextChanged(Editable s) {
+                if(getPassword().equals(getPasswordVerification())) {
+                    passwordVerificationError.setError(null);
+                } else {
+                    passwordVerificationError.setError(getString(R.string.password_mismatch));
+                }
+            }
+        });
+        passwordVerificationField.setOnEditorActionListener(new TextView.OnEditorActionListener() {
+            @Override
+            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
+                if (actionId == IME_ACTION_DONE
+                        || event != null &&  event.getAction() == KeyEvent.ACTION_DOWN
+                        && event.getKeyCode() == KeyEvent.KEYCODE_ENTER) {
+                    button.performClick();
+                    return true;
+                }
+                return false;
+            }
+        });
+    }
+
+    private void handleReceivedErrors(Bundle arguments) {
+        if (arguments.containsKey(ERRORS.PASSWORD_INVALID_LENGTH.toString()))
+            passwordError.setError(getString(R.string.error_not_valid_password_user_message));
+        else if (arguments.containsKey(ERRORS.RISEUP_WARNING.toString())) {
+            userMessage.setVisibility(VISIBLE);
+            userMessage.setText(R.string.login_riseup_warning);
+        }
+        if (arguments.containsKey(USERNAME)) {
+            String username = arguments.getString(USERNAME);
+            usernameField.setText(username);
         }
+        if (arguments.containsKey(ERRORS.USERNAME_MISSING.toString())) {
+            usernameError.setError(getString(R.string.username_ask));
+        }
+        if (arguments.containsKey(getString(R.string.user_message))) {
+            userMessage.setText(arguments.getString(getString(R.string.user_message)));
+            userMessage.setVisibility(VISIBLE);
+        } else if (userMessage.getVisibility() != VISIBLE) {
+            userMessage.setVisibility(GONE);
+        }
+
+        if (!usernameField.getText().toString().isEmpty() && passwordField.isFocusable())
+            passwordField.requestFocus();
+
+        hideProgressBar();
+    }
 
+    public class ProviderAPIBroadcastReceiver extends BroadcastReceiver {
         @Override
-        public void onReceiveResult(int resultCode, Bundle resultData) {
-            if (resultCode == ProviderAPI.SUCCESSFUL_SIGNUP) {
-                activity.downloadVpnCertificate();
-            } else if (resultCode == ProviderAPI.FAILED_SIGNUP) {
-                //MainActivity.sessionDialog(resultData);
-            } else if (resultCode == ProviderAPI.SUCCESSFUL_LOGIN) {
-                activity.downloadVpnCertificate();
-            } else if (resultCode == ProviderAPI.FAILED_LOGIN) {
-                //MainActivity.sessionDialog(resultData);
-//  TODO MOVE
-//          } else if (resultCode == ProviderAPI.SUCCESSFUL_LOGOUT) {
-//                if (switching_provider) activity.switchProvider();
-//            } else if (resultCode == ProviderAPI.LOGOUT_FAILED) {
-//                activity.setResult(RESULT_CANCELED);
-            } else if (resultCode == ProviderAPI.CORRECTLY_DOWNLOADED_CERTIFICATE) {
-                Intent intent = new Intent(activity, MainActivity.class);
-                activity.startActivity(intent);
-                //activity.eip_fragment.updateEipService();
-            } else if (resultCode == ProviderAPI.INCORRECTLY_DOWNLOADED_CERTIFICATE) {
-                // TODO activity.setResult(RESULT_CANCELED);
-//            } else if (resultCode == ProviderAPI.CORRECTLY_DOWNLOADED_EIP_SERVICE) {
-//                activity.eip_fragment.updateEipService();
-//                activity.setResult(RESULT_OK);
-//            } else if (resultCode == ProviderAPI.INCORRECTLY_DOWNLOADED_EIP_SERVICE) {
-//                activity.setResult(RESULT_CANCELED);
+        public void onReceive(Context context, Intent intent) {
+            Log.d(TAG, "received Broadcast");
+
+            String action = intent.getAction();
+            if (action == null || !action.equalsIgnoreCase(PROVIDER_API_EVENT)) {
+                return;
+            }
+
+            int resultCode = intent.getIntExtra(RESULT_CODE, -1);
+            switch (resultCode) {
+                case ProviderAPI.SUCCESSFUL_SIGNUP:
+                case ProviderAPI.SUCCESSFUL_LOGIN:
+                    downloadVpnCertificate();
+                    break;
+                case ProviderAPI.FAILED_LOGIN:
+                case ProviderAPI.FAILED_SIGNUP:
+                    handleReceivedErrors((Bundle) intent.getParcelableExtra(RESULT_KEY));
+                    break;
+
+                case ProviderAPI.CORRECTLY_DOWNLOADED_CERTIFICATE:
+                    intent = new Intent(ProviderCredentialsBaseActivity.this, MainActivity.class);
+                    startActivity(intent);
+                    //activity.eip_fragment.updateEipService();
+                    break;
+                case ProviderAPI.INCORRECTLY_DOWNLOADED_CERTIFICATE:
+                    // TODO activity.setResult(RESULT_CANCELED);
+                    break;
             }
         }
     }
-
 }
diff --git a/app/src/main/java/se/leap/bitmaskclient/SignupActivity.java b/app/src/main/java/se/leap/bitmaskclient/SignupActivity.java
index 448eba52..151e6cdf 100644
--- a/app/src/main/java/se/leap/bitmaskclient/SignupActivity.java
+++ b/app/src/main/java/se/leap/bitmaskclient/SignupActivity.java
@@ -2,12 +2,7 @@ package se.leap.bitmaskclient;
 
 import android.os.Bundle;
 import android.support.annotation.Nullable;
-import android.support.design.widget.TextInputEditText;
-import android.support.design.widget.TextInputLayout;
-import android.text.Editable;
-import android.text.TextWatcher;
 
-import butterknife.InjectView;
 import butterknife.OnClick;
 
 /**
@@ -16,52 +11,23 @@ import butterknife.OnClick;
 
 public class SignupActivity extends ProviderCredentialsBaseActivity {
 
-    @InjectView(R.id.provider_credentials_password_verification)
-    TextInputEditText providerCredentialsPasswordVerification;
-
-    @InjectView(R.id.provider_credentials_password_verification_layout)
-    TextInputLayout providerCredentialsPasswordVerificationLayout;
-
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.a_signup);
 
         setProviderHeaderLogo(R.drawable.mask);
         setProviderHeaderText(R.string.create_profile);
 
         setProgressbarText(R.string.signing_up);
         setButtonText(R.string.signup_button);
-
-        providerCredentialsPasswordVerification.addTextChangedListener(new TextWatcher() {
-            @Override
-            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
-            }
-
-            @Override
-            public void onTextChanged(CharSequence s, int start, int before, int count) {
-            }
-
-            @Override
-            public void afterTextChanged(Editable s) {
-                if(getPassword().equals(getPasswordVerification())) {
-                    providerCredentialsPasswordVerificationLayout.setError(null);
-                } else {
-                    providerCredentialsPasswordVerificationLayout.setError(getString(R.string.password_mismatch));
-                }
-            }
-        });
     }
 
     @Override
     @OnClick(R.id.button)
     void handleButton() {
+        super.handleButton();
         if (getPassword().equals(getPasswordVerification())) {
             signUp(getUsername(), getPassword());
         }
     }
-
-    private String getPasswordVerification() {
-        return providerCredentialsPasswordVerification.getText().toString();
-    }
 }
diff --git a/app/src/main/res/layout-xlarge/a_provider_detail.xml b/app/src/main/res/layout-xlarge/a_provider_detail.xml
new file mode 100644
index 00000000..31538f9f
--- /dev/null
+++ b/app/src/main/res/layout-xlarge/a_provider_detail.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    style="@style/BitmaskActivity" >
+
+    <include layout="@layout/loading_screen" />
+
+    <android.support.v7.widget.AppCompatTextView
+        android:id="@+id/provider_detail_name"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="24sp"
+        android:textAppearance="?android:attr/textAppearanceMedium" />
+
+    <android.support.v7.widget.AppCompatTextView
+        android:id="@+id/provider_detail_description"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="18sp"
+        android:textStyle="normal"
+        android:textAppearance="?android:attr/textAppearanceSmall" />
+
+    <ListView
+        android:id="@+id/provider_detail_options"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="@dimen/standard_margin"
+        />
+
+</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout-xlarge/provider_detail_fragment.xml b/app/src/main/res/layout-xlarge/provider_detail_fragment.xml
deleted file mode 100644
index 31538f9f..00000000
--- a/app/src/main/res/layout-xlarge/provider_detail_fragment.xml
+++ /dev/null
@@ -1,32 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical"
-    style="@style/BitmaskActivity" >
-
-    <include layout="@layout/loading_screen" />
-
-    <android.support.v7.widget.AppCompatTextView
-        android:id="@+id/provider_detail_name"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:textSize="24sp"
-        android:textAppearance="?android:attr/textAppearanceMedium" />
-
-    <android.support.v7.widget.AppCompatTextView
-        android:id="@+id/provider_detail_description"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:textSize="18sp"
-        android:textStyle="normal"
-        android:textAppearance="?android:attr/textAppearanceSmall" />
-
-    <ListView
-        android:id="@+id/provider_detail_options"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="@dimen/standard_margin"
-        />
-
-</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/a_login.xml b/app/src/main/res/layout/a_login.xml
deleted file mode 100644
index 5b33ec16..00000000
--- a/app/src/main/res/layout/a_login.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="vertical" android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    style="@style/BitmaskActivity">
-
-    <include layout="@layout/loading_screen" />
-
-    <LinearLayout
-        android:id="@+id/content"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:orientation="vertical">
-
-        <include
-            layout="@layout/provider_header"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content" />
-
-        <include layout="@layout/provider_credentials_login"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"/>
-
-        <RelativeLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content">
-
-            <android.support.v7.widget.AppCompatButton
-                android:id="@+id/button"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:text="@string/login_button"
-                android:layout_alignParentRight="true"
-                android:layout_alignParentEnd="true"/>
-
-        </RelativeLayout>
-    </LinearLayout>
-</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/a_provider_credentials.xml b/app/src/main/res/layout/a_provider_credentials.xml
new file mode 100644
index 00000000..85d9d3cb
--- /dev/null
+++ b/app/src/main/res/layout/a_provider_credentials.xml
@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    style="@style/BitmaskActivity">
+
+    <include layout="@layout/loading_screen" />
+
+    <LinearLayout
+        android:id="@+id/content"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+
+        <include
+            layout="@layout/provider_header"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+
+
+        <ScrollView
+            android:layout_height="match_parent"
+            android:layout_width="match_parent"
+            android:isScrollContainer="true"
+            >
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical">
+                <include
+                    layout="@layout/provider_credentials"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content" />
+
+                <RelativeLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content">
+
+                    <android.support.v7.widget.AppCompatButton
+                        android:id="@+id/button"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_alignParentEnd="true"
+                        android:layout_alignParentRight="true"
+                        android:text="@string/login_button" />
+
+                </RelativeLayout>
+            </LinearLayout>
+        </ScrollView>
+    </LinearLayout>
+</LinearLayout>
diff --git a/app/src/main/res/layout/a_provider_detail.xml b/app/src/main/res/layout/a_provider_detail.xml
new file mode 100644
index 00000000..5f07b87c
--- /dev/null
+++ b/app/src/main/res/layout/a_provider_detail.xml
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/provider_detail_fragment"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    style="@style/BitmaskActivity" >
+
+    <include layout="@layout/loading_screen" />
+
+    <LinearLayout
+        android:id="@+id/content"
+        android:orientation="vertical"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <include
+            layout="@layout/provider_header"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+
+        <android.support.v7.widget.AppCompatTextView
+            android:id="@+id/provider_detail_description"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textStyle="normal"
+            android:textAppearance="?android:attr/textAppearanceSmall"
+            android:layout_marginTop="@dimen/standard_margin"
+            android:layout_marginBottom="@dimen/standard_margin"
+            />
+
+        <ListView
+            android:id="@+id/provider_detail_options"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="@dimen/standard_margin"
+            android:drawSelectorOnTop="false"/>
+
+    </LinearLayout>
+</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/a_signup.xml b/app/src/main/res/layout/a_signup.xml
deleted file mode 100644
index b0c8dc47..00000000
--- a/app/src/main/res/layout/a_signup.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="vertical" android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    style="@style/BitmaskActivity">
-
-    <include layout="@layout/loading_screen" />
-
-    <LinearLayout
-        android:id="@+id/content"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:orientation="vertical">
-
-        <include
-            layout="@layout/provider_header"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content" />
-
-        <include layout="@layout/provider_credentials_signup"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"/>
-
-        <RelativeLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content">
-
-            <android.support.v7.widget.AppCompatButton
-                android:id="@+id/button"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:text="@string/login_button"
-                android:layout_alignParentRight="true"
-                android:layout_alignParentEnd="true"/>
-
-        </RelativeLayout>
-    </LinearLayout>
-</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/provider_credentials.xml b/app/src/main/res/layout/provider_credentials.xml
new file mode 100644
index 00000000..6e4dff95
--- /dev/null
+++ b/app/src/main/res/layout/provider_credentials.xml
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="utf-8"?>
+<merge xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <android.support.v7.widget.AppCompatTextView
+        android:id="@+id/provider_credentials_user_message"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        style="@style/TextAppearance.Design.Error"
+        android:visibility="gone"
+        />
+
+    <android.support.design.widget.TextInputLayout
+        android:id="@+id/provider_credentials_username_error"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="@string/auth_username"
+        app:errorEnabled="true"
+        android:layout_marginTop="@dimen/standard_margin"
+        >
+
+        <android.support.design.widget.TextInputEditText
+            android:id="@+id/provider_credentials_username"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:ems="10"
+            android:inputType="text" />
+
+    </android.support.design.widget.TextInputLayout>
+
+    <android.support.design.widget.TextInputLayout
+        android:id="@+id/provider_credentials_password_error"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:passwordToggleEnabled="true"
+        android:hint="@string/password"
+        app:errorEnabled="true">
+
+        <android.support.design.widget.TextInputEditText
+            android:id="@+id/provider_credentials_password"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:inputType="textPassword"
+            />
+
+    </android.support.design.widget.TextInputLayout>
+
+    <android.support.design.widget.TextInputLayout
+        android:id="@+id/provider_credentials_password_verification_error"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:passwordToggleEnabled="true"
+        android:hint="@string/password"
+        app:errorEnabled="true"
+        android:visibility="gone">
+
+        <android.support.design.widget.TextInputEditText
+            android:id="@+id/provider_credentials_password_verification"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:inputType="textPassword"
+            android:visibility="gone"
+            />
+
+    </android.support.design.widget.TextInputLayout>
+</merge>
\ No newline at end of file
diff --git a/app/src/main/res/layout/provider_credentials_login.xml b/app/src/main/res/layout/provider_credentials_login.xml
deleted file mode 100644
index 915ac231..00000000
--- a/app/src/main/res/layout/provider_credentials_login.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<merge xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
-
-    <android.support.design.widget.TextInputLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:hint="@string/auth_username"
-        app:errorEnabled="true"
-        android:layout_marginTop="@dimen/standard_margin"
-        >
-
-        <android.support.design.widget.TextInputEditText
-            android:id="@+id/provider_credentials_username"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:ems="10"
-            android:inputType="text" />
-
-    </android.support.design.widget.TextInputLayout>
-
-    <android.support.design.widget.TextInputLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        app:passwordToggleEnabled="true"
-        android:hint="@string/password"
-        app:errorEnabled="true">
-
-        <android.support.design.widget.TextInputEditText
-            android:id="@+id/provider_credentials_password"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:inputType="textPassword"
-            />
-
-    </android.support.design.widget.TextInputLayout>
-
-</merge>
\ No newline at end of file
diff --git a/app/src/main/res/layout/provider_credentials_signup.xml b/app/src/main/res/layout/provider_credentials_signup.xml
deleted file mode 100644
index c2e3dcd3..00000000
--- a/app/src/main/res/layout/provider_credentials_signup.xml
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<merge xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto" >
-
-    <include layout="@layout/provider_credentials_login" />
-
-    <android.support.design.widget.TextInputLayout
-        android:id="@+id/provider_credentials_password_verification_layout"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        app:passwordToggleEnabled="true"
-        android:hint="@string/password"
-        app:errorEnabled="true">
-
-        <android.support.design.widget.TextInputEditText
-            android:id="@+id/provider_credentials_password_verification"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:inputType="textPassword"
-            />
-
-    </android.support.design.widget.TextInputLayout>
-
-</merge>
\ No newline at end of file
diff --git a/app/src/main/res/layout/provider_detail_fragment.xml b/app/src/main/res/layout/provider_detail_fragment.xml
deleted file mode 100644
index e4ee1cca..00000000
--- a/app/src/main/res/layout/provider_detail_fragment.xml
+++ /dev/null
@@ -1,41 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:id="@+id/provider_detail_fragment"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical"
-    style="@style/BitmaskActivity" >
-
-    <include layout="@layout/loading_screen" />
-
-    <LinearLayout
-        android:id="@+id/content"
-        android:orientation="vertical"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent">
-
-        <include
-            layout="@layout/provider_header"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content" />
-
-        <android.support.v7.widget.AppCompatTextView
-            android:id="@+id/provider_detail_description"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:textStyle="normal"
-            android:textAppearance="?android:attr/textAppearanceSmall"
-            android:layout_marginTop="@dimen/standard_margin"
-            android:layout_marginBottom="@dimen/standard_margin"
-            />
-
-        <ListView
-            android:id="@+id/provider_detail_options"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="@dimen/standard_margin"
-            android:drawSelectorOnTop="false"/>
-
-    </LinearLayout>
-</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values-v21/styles.xml b/app/src/main/res/values-v21/styles.xml
index b42c7554..b928a79b 100644
--- a/app/src/main/res/values-v21/styles.xml
+++ b/app/src/main/res/values-v21/styles.xml
@@ -28,7 +28,7 @@
 
     <style name="BitmaskButton" parent="android:Widget.Button">
         <item name="android:textAllCaps">true</item>
-        <item name="android:backgroundTint">@color/colorPrimaryDark</item>
+        <item name="android:backgroundTint">@color/colorPrimary</item>
     </style>
 
 </resources>
diff --git a/app/src/main/res/values-v21/themes.xml b/app/src/main/res/values-v21/themes.xml
index ac62b94c..d6145217 100644
--- a/app/src/main/res/values-v21/themes.xml
+++ b/app/src/main/res/values-v21/themes.xml
@@ -11,7 +11,7 @@
 
         <!-- button and controls -->
         <item name="android:buttonStyle">@style/BitmaskButton</item>
-        <item name="android:colorButtonNormal">@color/colorPrimaryDark</item>
+        <item name="android:colorButtonNormal">@color/colorPrimary</item>
         <item name="android:colorControlHighlight">@color/colorPrimaryDark</item>
     </style>
 
diff --git a/app/src/production/java/se/leap/bitmaskclient/ConfigurationWizard.java b/app/src/production/java/se/leap/bitmaskclient/ConfigurationWizard.java
index b1deae67..f7102508 100644
--- a/app/src/production/java/se/leap/bitmaskclient/ConfigurationWizard.java
+++ b/app/src/production/java/se/leap/bitmaskclient/ConfigurationWizard.java
@@ -40,18 +40,17 @@ public class ConfigurationWizard extends BaseConfigurationWizard {
 
     public void showAndSelectProvider(String provider_main_url) {
         try {
-            selectedProvider = new Provider(new URL((provider_main_url)));
-            adapter.add(selectedProvider);
+            provider = new Provider(new URL((provider_main_url)));
+            adapter.add(provider);
             adapter.saveProviders();
-            autoSelectProvider(selectedProvider);
+            autoSelectProvider(provider);
         } catch (MalformedURLException e) {
             e.printStackTrace();
         }
     }
 
     private void autoSelectProvider(Provider provider) {
-        selectedProvider = provider;
-        onItemSelectedUi();
+        this.provider = provider;
         onItemSelectedLogic();
     }
 
@@ -63,15 +62,15 @@ public class ConfigurationWizard extends BaseConfigurationWizard {
         mConfigState.setAction(SETTING_UP_PROVIDER);
         Intent providerApiCommand = new Intent(this, ProviderAPI.class);
         Bundle parameters = new Bundle();
-        parameters.putString(Provider.MAIN_URL, selectedProvider.getMainUrl().toString());
-        if (selectedProvider.hasCertificatePin()){
-            parameters.putString(Provider.CA_CERT_FINGERPRINT, selectedProvider.certificatePin());
+        parameters.putString(Provider.MAIN_URL, provider.getMainUrl().toString());
+        if (provider.hasCertificatePin()){
+            parameters.putString(Provider.CA_CERT_FINGERPRINT, provider.certificatePin());
         }
-        if (selectedProvider.hasCaCert()) {
-            parameters.putString(Provider.CA_CERT, selectedProvider.getCaCert());
+        if (provider.hasCaCert()) {
+            parameters.putString(Provider.CA_CERT, provider.getCaCert());
         }
-        if (selectedProvider.hasDefinition()) {
-            parameters.putString(Provider.KEY, selectedProvider.getDefinition().toString());
+        if (provider.hasDefinition()) {
+            parameters.putString(Provider.KEY, provider.getDefinition().toString());
         }
 
         providerApiCommand.setAction(ProviderAPI.SET_UP_PROVIDER);
@@ -87,14 +86,14 @@ public class ConfigurationWizard extends BaseConfigurationWizard {
             addAndSelectNewProvider(ProviderAPI.lastProviderMainUrl());
         } else {
             showProgressBar();
-            adapter.hideAllBut(adapter.indexOf(selectedProvider));
+            adapter.hideAllBut(adapter.indexOf(provider));
 
 
             Intent providerApiCommand = new Intent(this, ProviderAPI.class);
             providerApiCommand.setAction(ProviderAPI.SET_UP_PROVIDER);
             providerApiCommand.putExtra(ProviderAPI.RECEIVER_KEY, providerAPIResultReceiver);
             Bundle parameters = new Bundle();
-            parameters.putString(Provider.MAIN_URL, selectedProvider.getMainUrl().toString());
+            parameters.putString(Provider.MAIN_URL, provider.getMainUrl().toString());
             providerApiCommand.putExtra(ProviderAPI.PARAMETERS, parameters);
 
             startService(providerApiCommand);
-- 
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