Merge branch 'origin_0.9.8' into fupduck_8819_config_wizard_design

8 files changed, 181 insertions, 133 deletions

diff --git a/app/src/main/java/se/leap/bitmaskclient/ConfigHelper.java b/app/src/main/java/se/leap/bitmaskclient/ConfigHelper.java
index 3713e198..741a6f56 100644
--- a/app/src/main/java/se/leap/bitmaskclient/ConfigHelper.java
+++ b/app/src/main/java/se/leap/bitmaskclient/ConfigHelper.java
@@ -304,6 +304,8 @@ public class ConfigHelper {
             } catch (JSONException e2) {
                 return null;
             }
+        } catch (NullPointerException npe) {
+            return null;
         }
     }
 
@@ -322,7 +324,7 @@ public class ConfigHelper {
         try {
             JSONObject providerJson = new JSONObject(provider);
             return providerJson.getString(Provider.DOMAIN);
-        } catch (JSONException e) {
+        } catch (JSONException | NullPointerException e) {
             return null;
         }
     }
diff --git a/app/src/main/java/se/leap/bitmaskclient/Dashboard.java b/app/src/main/java/se/leap/bitmaskclient/Dashboard.java
index cb781009..a4db5f84 100644
--- a/app/src/main/java/se/leap/bitmaskclient/Dashboard.java
+++ b/app/src/main/java/se/leap/bitmaskclient/Dashboard.java
@@ -87,7 +87,7 @@ public class Dashboard extends ButterKnifeActivity {
     @InjectView(R.id.providerName)
     TextView provider_name;
 
-    private VpnFragment eip_fragment;
+    private EipFragment eip_fragment;
     private UserStatusFragment user_status_fragment;
 
     private static Provider provider = new Provider();
@@ -290,8 +290,8 @@ public class Dashboard extends ButterKnifeActivity {
      * Inflates permanent UI elements of the View and contains logic for what
      * service dependent UI elements to include.
      */
-    //TODO: REFACTOR ME! Consider implementing a manager that handles most of VpnFragment's logic about handling EIP commands.
-    //This way, we could avoid to create UI elements (like fragmentManager.replace(R.id.servicesCollection, eip_fragment, VpnFragment.TAG); )
+    //TODO: REFACTOR ME! Consider implementing a manager that handles most of EipFragment's logic about handling EIP commands.
+    //This way, we could avoid to create UI elements (like fragmentManager.replace(R.id.servicesCollection, eip_fragment, EipFragment.TAG); )
     // just to start services and destroy them afterwards
     private void buildDashboard(boolean hideAndTurnOnEipOnBoot) {
         setContentView(R.layout.dashboard);
@@ -305,9 +305,9 @@ public class Dashboard extends ButterKnifeActivity {
         fragment_manager.replace(R.id.user_status_fragment, user_status_fragment, UserStatusFragment.TAG);
 
         if (provider.hasEIP()) {
-            fragment_manager.removePreviousFragment(VpnFragment.TAG);
+            fragment_manager.removePreviousFragment(EipFragment.TAG);
             eip_fragment = prepareEipFragment(hideAndTurnOnEipOnBoot);
-            fragment_manager.replace(R.id.servicesCollection, eip_fragment, VpnFragment.TAG);
+            fragment_manager.replace(R.id.servicesCollection, eip_fragment, EipFragment.TAG);
             if (hideAndTurnOnEipOnBoot) {
                 onBackPressed();
             }
@@ -320,13 +320,13 @@ public class Dashboard extends ButterKnifeActivity {
      *                               has caused to start Dashboard
      * @return the created VPNFragment
      */
-    public VpnFragment prepareEipFragment(boolean hideAndTurnOnEipOnBoot) {
-        VpnFragment eip_fragment = new VpnFragment();
+    public EipFragment prepareEipFragment(boolean hideAndTurnOnEipOnBoot) {
+        EipFragment eip_fragment = new EipFragment();
 
         if (hideAndTurnOnEipOnBoot && !isAlwaysOn()) {
             preferences.edit().remove(EIP_RESTART_ON_BOOT).apply();
             Bundle arguments = new Bundle();
-            arguments.putBoolean(VpnFragment.START_EIP_ON_BOOT, true);
+            arguments.putBoolean(EipFragment.START_EIP_ON_BOOT, true);
             Log.d(TAG, "set START_EIP_ON_BOOT argument for eip_fragment");
             eip_fragment.setArguments(arguments);
 
diff --git a/app/src/main/java/se/leap/bitmaskclient/VpnFragment.java b/app/src/main/java/se/leap/bitmaskclient/EipFragment.java
index f1463029..414b1f2a 100644
--- a/app/src/main/java/se/leap/bitmaskclient/VpnFragment.java
+++ b/app/src/main/java/se/leap/bitmaskclient/EipFragment.java
@@ -24,17 +24,21 @@ import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.ServiceConnection;
 import android.content.SharedPreferences;
+import android.graphics.ColorMatrix;
+import android.graphics.ColorMatrixColorFilter;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.RemoteException;
 import android.os.ResultReceiver;
 import android.support.v4.app.Fragment;
+import android.support.v7.widget.AppCompatImageView;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
+import android.widget.TextView;
 
 import java.util.Observable;
 import java.util.Observer;
@@ -46,11 +50,12 @@ import de.blinkt.openvpn.core.IOpenVPNServiceInternal;
 import de.blinkt.openvpn.core.OpenVPNService;
 import de.blinkt.openvpn.core.ProfileManager;
 import de.blinkt.openvpn.core.VpnStatus;
-import mbanje.kurt.fabbutton.FabButton;
 import se.leap.bitmaskclient.eip.EIP;
 import se.leap.bitmaskclient.eip.EipStatus;
 import se.leap.bitmaskclient.eip.VoidVpnService;
 
+import static android.view.View.GONE;
+import static android.view.View.VISIBLE;
 import static de.blinkt.openvpn.core.ConnectionStatus.LEVEL_NONETWORK;
 import static se.leap.bitmaskclient.Constants.EIP_ACTION_CHECK_CERT_VALIDITY;
 import static se.leap.bitmaskclient.Constants.EIP_ACTION_START;
@@ -66,23 +71,35 @@ import static se.leap.bitmaskclient.Constants.PROVIDER_ALLOW_ANONYMOUS;
 import static se.leap.bitmaskclient.Constants.PROVIDER_VPN_CERTIFICATE;
 import static se.leap.bitmaskclient.Constants.SHARED_PREFERENCES;
 
-public class VpnFragment extends Fragment implements Observer {
+public class EipFragment extends Fragment implements Observer {
 
-    public static String TAG = VpnFragment.class.getSimpleName();
+    public static String TAG = EipFragment.class.getSimpleName();
 
-    public static final String IS_PENDING = TAG + ".is_pending";
     protected static final String IS_CONNECTED = TAG + ".is_connected";
     public static final String START_EIP_ON_BOOT = "start on boot";
 
     private SharedPreferences preferences;
 
-    @InjectView(R.id.vpn_status_image)
-    FabButton vpnStatusImage;
+    @InjectView(R.id.background)
+    AppCompatImageView background;
+
+    @InjectView(R.id.key)
+    AppCompatImageView key;
+
+    @InjectView(R.id.cirle)
+    AppCompatImageView circle;
+
     @InjectView(R.id.vpn_main_button)
     Button mainButton;
 
-    private static EIPReceiver eipReceiver;
-    private static EipStatus eipStatus;
+    @InjectView(R.id.routed_text)
+    TextView routedText;
+
+    @InjectView(R.id.vpn_route)
+    TextView vpnRoute;
+
+    private EIPReceiver eipReceiver;
+    private EipStatus eipStatus;
     private boolean wantsToConnect;
 
     private IOpenVPNServiceInternal mService;
@@ -156,6 +173,20 @@ public class VpnFragment extends Fragment implements Observer {
     }
 
     @OnClick(R.id.vpn_main_button)
+    void onButtonClick() {
+        handleIcon();
+    }
+
+    @OnClick(R.id.key)
+    void onKeyClick() {
+        handleIcon();
+    }
+
+    @OnClick(R.id.cirle)
+    void onCircleClick() {
+        handleIcon();
+    }
+
     void handleIcon() {
         if (eipStatus.isConnected() || eipStatus.isConnecting())
             handleSwitchOff();
@@ -194,8 +225,6 @@ public class VpnFragment extends Fragment implements Observer {
             askPendingStartCancellation();
         } else if (eipStatus.isConnected()) {
             askToStopEIP();
-        } else {
-            updateIcon();
         }
     }
 
@@ -313,44 +342,32 @@ public class VpnFragment extends Fragment implements Observer {
                     }
                 });
             } else {
-                Log.e("VpnFragment", "activity is null");
+                Log.e("EipFragment", "activity is null");
             }
         }
     }
 
     private void handleNewState() {
-        updateIcon();
-        updateButton();
-    }
-
-    private void updateIcon() {
-        if (eipStatus.isBlocking()) {
-            vpnStatusImage.showProgress(false);
-            vpnStatusImage.setIcon(R.drawable.ic_stat_vpn_blocking, R.drawable.ic_stat_vpn_blocking);
-            vpnStatusImage.setTag(R.drawable.ic_stat_vpn_blocking);
-        } else if (eipStatus.isConnecting()) {
-            vpnStatusImage.showProgress(true);
-            vpnStatusImage.setIcon(R.drawable.ic_stat_vpn_empty_halo, R.drawable.ic_stat_vpn_empty_halo);
-            vpnStatusImage.setTag(R.drawable.ic_stat_vpn_empty_halo);
-        } else  if (eipStatus.isConnected()){
-            vpnStatusImage.showProgress(false);
-            vpnStatusImage.setIcon(R.drawable.ic_stat_vpn, R.drawable.ic_stat_vpn);
-            vpnStatusImage.setTag(R.drawable.ic_stat_vpn);
-        } else {
-            vpnStatusImage.setIcon(R.drawable.ic_stat_vpn_offline, R.drawable.ic_stat_vpn_offline);
-            vpnStatusImage.setTag(R.drawable.ic_stat_vpn_offline);
-            vpnStatusImage.showProgress(false);
-        }
-    }
-
-    private void updateButton() {
         Activity activity = getActivity();
         if (eipStatus.isConnecting()) {
             mainButton.setText(activity.getString(android.R.string.cancel));
+            key.setImageResource(R.drawable.vpn_connecting);
+            routedText.setVisibility(GONE);
+            vpnRoute.setVisibility(GONE);
+            colorBackgroundALittle();
         } else if (eipStatus.isConnected() || isOpenVpnRunningWithoutNetwork()) {
             mainButton.setText(activity.getString(R.string.vpn_button_turn_off));
+            key.setImageResource(R.drawable.vpn_connected);
+            routedText.setVisibility(VISIBLE);
+            vpnRoute.setVisibility(VISIBLE);
+            vpnRoute.setText(ConfigHelper.getProviderName(preferences));
+            colorBackground();
         } else {
             mainButton.setText(activity.getString(R.string.vpn_button_turn_on));
+            key.setImageResource(R.drawable.vpn_disconnected);
+            routedText.setVisibility(GONE);
+            vpnRoute.setVisibility(GONE);
+            greyscaleBackground();
         }
     }
 
@@ -439,8 +456,22 @@ public class VpnFragment extends Fragment implements Observer {
         }
     }
 
+    private void greyscaleBackground() {
+        ColorMatrix matrix = new ColorMatrix();
+        matrix.setSaturation(0);
+        ColorMatrixColorFilter cf = new ColorMatrixColorFilter(matrix);
+        background.setColorFilter(cf);
+        background.setImageAlpha(255);
+    }
 
-    public static EIPReceiver getReceiver() {
-        return eipReceiver;
+    private void colorBackgroundALittle() {
+        background.setColorFilter(null);
+        background.setImageAlpha(144);
     }
+
+    private void colorBackground() {
+        background.setColorFilter(null);
+        background.setImageAlpha(255);
+    }
+
 }
diff --git a/app/src/main/java/se/leap/bitmaskclient/MainActivity.java b/app/src/main/java/se/leap/bitmaskclient/MainActivity.java
index f4e2ac5f..7629f0b7 100644
--- a/app/src/main/java/se/leap/bitmaskclient/MainActivity.java
+++ b/app/src/main/java/se/leap/bitmaskclient/MainActivity.java
@@ -74,7 +74,7 @@ public class MainActivity extends AppCompatActivity {
 
         switch (intent.getAction()) {
             case ACTION_SHOW_VPN_FRAGMENT:
-                fragment = new VpnFragment();
+                fragment = new EipFragment();
                 break;
             default:
                 break;
diff --git a/app/src/main/java/se/leap/bitmaskclient/ProviderListBaseActivity.java b/app/src/main/java/se/leap/bitmaskclient/ProviderListBaseActivity.java
index f60b5cc7..2b0c72db 100644
--- a/app/src/main/java/se/leap/bitmaskclient/ProviderListBaseActivity.java
+++ b/app/src/main/java/se/leap/bitmaskclient/ProviderListBaseActivity.java
@@ -451,6 +451,12 @@ public abstract class ProviderListBaseActivity extends ConfigWizardBaseActivity
                 String providerName = ConfigHelper.getProviderName(handledProvider);
                 String providerDomain = ConfigHelper.getProviderDomain(handledProvider);
 
+                //FIXME: remove that lines as soon as Provider gets sent via broadcast
+                if (resultCode == PROVIDER_OK && handledProvider == null) {
+                    providerName = ConfigHelper.getProviderName(preferences);
+                    providerDomain = ConfigHelper.getProviderDomain(preferences);
+                }
+
                 if (providerName != null && providerName.equalsIgnoreCase(provider.getName()) &&
                         providerDomain != null &&
                         providerDomain.equalsIgnoreCase(provider.getDomain())) {
diff --git a/app/src/main/java/se/leap/bitmaskclient/drawer/NavigationDrawerFragment.java b/app/src/main/java/se/leap/bitmaskclient/drawer/NavigationDrawerFragment.java
index ebfb3ba7..090e8d26 100644
--- a/app/src/main/java/se/leap/bitmaskclient/drawer/NavigationDrawerFragment.java
+++ b/app/src/main/java/se/leap/bitmaskclient/drawer/NavigationDrawerFragment.java
@@ -28,8 +28,8 @@ import android.widget.Toast;
 
 import se.leap.bitmaskclient.ConfigHelper;
 import se.leap.bitmaskclient.ProviderListActivity;
+import se.leap.bitmaskclient.EipFragment;
 import se.leap.bitmaskclient.R;
-import se.leap.bitmaskclient.VpnFragment;
 import se.leap.bitmaskclient.fragments.AboutFragment;
 import se.leap.bitmaskclient.fragments.LogFragment;
 
@@ -296,7 +296,7 @@ public class NavigationDrawerFragment extends Fragment {
 
         if (parent == mDrawerAccountsListView) {
             mTitle = getString(R.string.vpn_fragment_title);
-            fragment = new VpnFragment();
+            fragment = new EipFragment();
         } else {
             Log.d("Drawer", String.format("Selected position %d", position));
             switch (position) {
diff --git a/app/src/main/java/se/leap/bitmaskclient/eip/EIP.java b/app/src/main/java/se/leap/bitmaskclient/eip/EIP.java
index a2ac9d66..eca5b881 100644
--- a/app/src/main/java/se/leap/bitmaskclient/eip/EIP.java
+++ b/app/src/main/java/se/leap/bitmaskclient/eip/EIP.java
@@ -18,7 +18,6 @@ package se.leap.bitmaskclient.eip;
 
 import android.app.Activity;
 import android.app.IntentService;
-import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.os.Bundle;
@@ -30,7 +29,6 @@ import org.json.JSONObject;
 
 import de.blinkt.openvpn.LaunchVPN;
 import se.leap.bitmaskclient.OnBootReceiver;
-import se.leap.bitmaskclient.VpnFragment;
 
 import static se.leap.bitmaskclient.Constants.EIP_ACTION_CHECK_CERT_VALIDITY;
 import static se.leap.bitmaskclient.Constants.EIP_ACTION_IS_RUNNING;
@@ -59,12 +57,11 @@ public final class EIP extends IntentService {
     public final static String TAG = EIP.class.getSimpleName();
     public final static String SERVICE_API_PATH = "config/eip-service.json";
 
-    private static Context context;
     private static ResultReceiver mReceiver;
     private static SharedPreferences preferences;
 
     private static JSONObject eipDefinition;
-    private static GatewaysManager gatewaysManager = new GatewaysManager();
+    private GatewaysManager gatewaysManager = new GatewaysManager();
     private static Gateway gateway;
 
     public EIP() {
@@ -74,7 +71,6 @@ public final class EIP extends IntentService {
     @Override
     public void onCreate() {
         super.onCreate();
-        context = getApplicationContext();
         preferences = getSharedPreferences(SHARED_PREFERENCES, MODE_PRIVATE);
         eipDefinition = eipDefinitionFromPreferences();
         if (gatewaysManager.isEmpty())
@@ -86,18 +82,30 @@ public final class EIP extends IntentService {
         String action = intent.getAction();
         mReceiver = intent.getParcelableExtra(EIP_RECEIVER);
 
-        if (action.equals(EIP_ACTION_START))
-            startEIP();
-        else if (action.equals(EIP_ACTION_START_ALWAYS_ON_EIP))
-            startAlwaysOnEIP();
-        else if (action.equals(EIP_ACTION_STOP))
-            stopEIP();
-        else if (action.equals(EIP_ACTION_IS_RUNNING))
-            isRunning();
-        else if (action.equals(EIP_ACTION_UPDATE))
-            updateEIPService();
-        else if (action.equals(EIP_ACTION_CHECK_CERT_VALIDITY))
-            checkCertValidity();
+        if (action == null) {
+            return;
+        }
+
+        switch (action) {
+            case EIP_ACTION_START:
+                startEIP();
+                break;
+            case EIP_ACTION_START_ALWAYS_ON_EIP:
+                startAlwaysOnEIP();
+                break;
+            case EIP_ACTION_STOP:
+                stopEIP();
+                break;
+            case EIP_ACTION_IS_RUNNING:
+                isRunning();
+                break;
+            case EIP_ACTION_UPDATE:
+                updateEIPService();
+                break;
+            case EIP_ACTION_CHECK_CERT_VALIDITY:
+                checkCertValidity();
+                break;
+        }
     }
 
     /**
@@ -114,7 +122,6 @@ public final class EIP extends IntentService {
 
         gateway = gatewaysManager.select();
         if (gateway != null && gateway.getProfile() != null) {
-            mReceiver = VpnFragment.getReceiver();
             launchActiveGateway();
             tellToReceiver(EIP_ACTION_START, Activity.RESULT_OK);
         } else
@@ -134,7 +141,6 @@ public final class EIP extends IntentService {
         gateway = gatewaysManager.select();
 
         if (gateway != null && gateway.getProfile() != null) {
-            //mReceiver = VpnFragment.getReceiver();
             Log.d(TAG, "startAlwaysOnEIP eip launch avtive gateway vpn");
             launchActiveGateway();
         } else {
@@ -147,7 +153,7 @@ public final class EIP extends IntentService {
      * VpnService is started properly.
      */
     private void earlyRoutes() {
-        Intent voidVpnLauncher = new Intent(context, VoidVpnLauncher.class);
+        Intent voidVpnLauncher = new Intent(getApplicationContext(), VoidVpnLauncher.class);
         voidVpnLauncher.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
         startActivity(voidVpnLauncher);
     }
@@ -216,7 +222,7 @@ public final class EIP extends IntentService {
 
     private void gatewaysFromPreferences() {
         String gatewaysString = preferences.getString(Gateway.TAG, "");
-        gatewaysManager = new GatewaysManager(context, preferences);
+        gatewaysManager = new GatewaysManager(this, preferences);
         gatewaysManager.addFromString(gatewaysString);
         preferences.edit().remove(Gateway.TAG).apply();
     }
diff --git a/app/src/main/java/se/leap/bitmaskclient/eip/EipStatus.java b/app/src/main/java/se/leap/bitmaskclient/eip/EipStatus.java
index ddf152d2..0da74872 100644
--- a/app/src/main/java/se/leap/bitmaskclient/eip/EipStatus.java
+++ b/app/src/main/java/se/leap/bitmaskclient/eip/EipStatus.java
@@ -16,13 +16,15 @@
  */
 package se.leap.bitmaskclient.eip;
 
-import android.content.*;
+import android.content.Context;
 import android.os.AsyncTask;
 import android.support.annotation.VisibleForTesting;
 
-import java.util.*;
+import java.util.Observable;
 
-import de.blinkt.openvpn.core.*;
+import de.blinkt.openvpn.core.ConnectionStatus;
+import de.blinkt.openvpn.core.LogItem;
+import de.blinkt.openvpn.core.VpnStatus;
 
 /**
  * EipStatus is a Singleton that represents a reduced set of a vpn's ConnectionStatus.
@@ -31,7 +33,7 @@ import de.blinkt.openvpn.core.*;
  */
 public class EipStatus extends Observable implements VpnStatus.StateListener {
     public static String TAG = EipStatus.class.getSimpleName();
-    private static EipStatus current_status;
+    private static EipStatus currentStatus;
     public enum EipLevel {
         CONNECTING,
         DISCONNECTING,
@@ -42,23 +44,23 @@ public class EipStatus extends Observable implements VpnStatus.StateListener {
     }
 
     /**
-     * vpn_level holds the connection status of the openvpn vpn and the traffic blocking
+     * vpnLevel holds the connection status of the openvpn vpn and the traffic blocking
      * void vpn. LEVEL_BLOCKING is set when the latter vpn is up. All other states are set by
      * openvpn.
      */
-    private ConnectionStatus vpn_level = ConnectionStatus.LEVEL_NOTCONNECTED;
-    private static EipLevel current_eip_level = EipLevel.DISCONNECTED;
+    private ConnectionStatus vpnLevel = ConnectionStatus.LEVEL_NOTCONNECTED;
+    private static EipLevel currentEipLevel = EipLevel.DISCONNECTED;
 
-    int last_error_line = 0;
-    private String state, log_message;
-    private int localized_res_id;
+    private int lastErrorLine = 0;
+    private String state, logMessage;
+    private int localizedResId;
 
     public static EipStatus getInstance() {
-        if (current_status == null) {
-            current_status = new EipStatus();
-            VpnStatus.addStateListener(current_status);
+        if (currentStatus == null) {
+            currentStatus = new EipStatus();
+            VpnStatus.addStateListener(currentStatus);
         }
-        return current_status;
+        return currentStatus;
     }
 
     private EipStatus() {
@@ -66,16 +68,16 @@ public class EipStatus extends Observable implements VpnStatus.StateListener {
 
     @Override
     public void updateState(final String state, final String logmessage, final int localizedResId, final ConnectionStatus level) {
-        ConnectionStatus tmp = current_status.getLevel();
-        current_status = getInstance();
-        current_status.setState(state);
-        current_status.setLogMessage(logmessage);
-        current_status.setLocalizedResId(localizedResId);
-        current_status.setLevel(level);
-        current_status.setEipLevel(level);
-        if (tmp != current_status.getLevel()) {
-            current_status.setChanged();
-            current_status.notifyObservers();
+        ConnectionStatus tmp = currentStatus.getLevel();
+        currentStatus = getInstance();
+        currentStatus.setState(state);
+        currentStatus.setLogMessage(logmessage);
+        currentStatus.setLocalizedResId(localizedResId);
+        currentStatus.setLevel(level);
+        currentStatus.setEipLevel(level);
+        if (tmp != currentStatus.getLevel()) {
+            currentStatus.setChanged();
+            currentStatus.notifyObservers();
         }
     }
 
@@ -87,7 +89,7 @@ public class EipStatus extends Observable implements VpnStatus.StateListener {
     private void setEipLevel(ConnectionStatus level) {
         switch (level) {
             case LEVEL_CONNECTED:
-                current_eip_level = EipLevel.CONNECTED;
+                currentEipLevel = EipLevel.CONNECTED;
                 break;
             case LEVEL_VPNPAUSED:
                 throw new IllegalStateException("Ics-Openvpn's VPNPAUSED state is not supported by Bitmask");
@@ -95,25 +97,25 @@ public class EipStatus extends Observable implements VpnStatus.StateListener {
             case LEVEL_CONNECTING_NO_SERVER_REPLY_YET:
             case LEVEL_WAITING_FOR_USER_INPUT:
             case LEVEL_START:
-                current_eip_level = EipLevel.CONNECTING;
+                currentEipLevel = EipLevel.CONNECTING;
                 break;
             case LEVEL_AUTH_FAILED:
             case LEVEL_NOTCONNECTED:
-                current_eip_level = EipLevel.DISCONNECTED;
+                currentEipLevel = EipLevel.DISCONNECTED;
                 break;
             case LEVEL_NONETWORK:
             case LEVEL_BLOCKING:
                 setEipLevelWithDelay(level);
                 break;
             case UNKNOWN_LEVEL:
-                current_eip_level = EipLevel.UNKNOWN; //??
+                currentEipLevel = EipLevel.UNKNOWN; //??
                 break;
         }
     }
 
     @VisibleForTesting
     EipLevel getEipLevel() {
-        return current_eip_level;
+        return currentEipLevel;
     }
 
     /**
@@ -123,7 +125,7 @@ public class EipStatus extends Observable implements VpnStatus.StateListener {
      * @param futureLevel
      */
     private void setEipLevelWithDelay(ConnectionStatus futureLevel) {
-        new DelayTask(current_status.getLevel(), futureLevel).execute();
+        new DelayTask(currentStatus.getLevel(), futureLevel).execute();
     }
 
     private static class DelayTask extends AsyncTask<Void, Void, Void> {
@@ -131,7 +133,7 @@ public class EipStatus extends Observable implements VpnStatus.StateListener {
         private final ConnectionStatus currentLevel;
         private final ConnectionStatus futureLevel;
 
-        public DelayTask(ConnectionStatus currentLevel, ConnectionStatus futureLevel) {
+        DelayTask(ConnectionStatus currentLevel, ConnectionStatus futureLevel) {
             this.currentLevel = currentLevel;
             this.futureLevel = futureLevel;
         }
@@ -144,38 +146,38 @@ public class EipStatus extends Observable implements VpnStatus.StateListener {
             return null;
         }
 
-        protected void onPostExecute(Void result) {;
-            if (currentLevel == current_status.getLevel()) {
+        protected void onPostExecute(Void result) {
+            if (currentLevel == currentStatus.getLevel()) {
                 switch (futureLevel) {
                     case LEVEL_NONETWORK:
-                        current_eip_level = EipLevel.DISCONNECTED;
+                        currentEipLevel = EipLevel.DISCONNECTED;
                         break;
                     case LEVEL_BLOCKING:
-                        current_eip_level = EipLevel.BLOCKING;
+                        currentEipLevel = EipLevel.BLOCKING;
                         break;
                     default:
                         break;
                 }
-                current_status.setChanged();
-                current_status.notifyObservers();
+                currentStatus.setChanged();
+                currentStatus.notifyObservers();
             }
         }
     }
 
     public boolean isConnecting() {
-        return current_eip_level == EipLevel.CONNECTING;
+        return currentEipLevel == EipLevel.CONNECTING;
     }
 
     public boolean isConnected() {
-        return current_eip_level == EipLevel.CONNECTED;
+        return currentEipLevel == EipLevel.CONNECTED;
     }
 
     /**
-     * @return true if current_eip_level is for at least a second {@link EipLevel#BLOCKING}.
+     * @return true if currentEipLevel is for at least a second {@link EipLevel#BLOCKING}.
      * See {@link #setEipLevelWithDelay(ConnectionStatus)}.
      */
     public boolean isBlocking() {
-        return current_eip_level == EipLevel.BLOCKING;
+        return currentEipLevel == EipLevel.BLOCKING;
     }
 
     /**
@@ -183,20 +185,20 @@ public class EipStatus extends Observable implements VpnStatus.StateListener {
      * @return true immediately after traffic blocking VoidVpn was established.
      */
     public boolean isBlockingVpnEstablished() {
-        return vpn_level == ConnectionStatus.LEVEL_BLOCKING;
+        return vpnLevel == ConnectionStatus.LEVEL_BLOCKING;
     }
 
     public boolean isDisconnected() {
-        return current_eip_level == EipLevel.DISCONNECTED;
+        return currentEipLevel == EipLevel.DISCONNECTED;
     }
 
     /**
      * ics-openvpn's paused state is not implemented yet
-     * @return
+     * @return true if vpn is paused false if not
      */
     @Deprecated
     public boolean isPaused() {
-        return vpn_level == ConnectionStatus.LEVEL_VPNPAUSED;
+        return vpnLevel == ConnectionStatus.LEVEL_VPNPAUSED;
     }
 
     public String getState() {
@@ -204,15 +206,15 @@ public class EipStatus extends Observable implements VpnStatus.StateListener {
     }
 
     public String getLogMessage() {
-        return log_message;
+        return logMessage;
     }
 
-    public int getLocalizedResId() {
-        return localized_res_id;
+    int getLocalizedResId() {
+        return localizedResId;
     }
 
     public ConnectionStatus getLevel() {
-        return vpn_level;
+        return vpnLevel;
     }
 
     private void setState(String state) {
@@ -220,39 +222,40 @@ public class EipStatus extends Observable implements VpnStatus.StateListener {
     }
 
     private void setLogMessage(String log_message) {
-        this.log_message = log_message;
+        this.logMessage = log_message;
     }
 
     private void setLocalizedResId(int localized_res_id) {
-        this.localized_res_id = localized_res_id;
+        this.localizedResId = localized_res_id;
     }
 
     private void setLevel(ConnectionStatus level) {
-        this.vpn_level = level;
+        this.vpnLevel = level;
     }
 
     public boolean errorInLast(int lines, Context context) {
         return !lastError(lines, context).isEmpty();
     }
 
-    public String lastError(int lines, Context context) {
+    private String lastError(int lines, Context context) {
         String error = "";
 
         String[] error_keywords = {"error", "ERROR", "fatal", "FATAL"};
 
         LogItem[] log = VpnStatus.getlogbuffer();
-        if(log.length < last_error_line)
-            last_error_line = 0;
-        String message = "";
+        if(log.length < lastErrorLine)
+            lastErrorLine = 0;
+        String message;
         for (int i = 1; i <= lines && log.length > i; i++) {
             int line = log.length - i;
-            LogItem log_item = log[line];
-            message = log_item.getString(context);
-            for (int j = 0; j < error_keywords.length; j++)
-                if (message.contains(error_keywords[j]) && line > last_error_line) {
+            LogItem logItem = log[line];
+            message = logItem.getString(context);
+            for (String errorKeyword: error_keywords) {
+                if (message.contains(errorKeyword) && line > lastErrorLine) {
                     error = message;
-                    last_error_line = line;
+                    lastErrorLine = line;
                 }
+            }
         }
 
         return error;
@@ -260,7 +263,7 @@ public class EipStatus extends Observable implements VpnStatus.StateListener {
 
     @Override
     public String toString() {
-        return "State: " + state + " Level: " + vpn_level.toString();
+        return "State: " + state + " Level: " + vpnLevel.toString();
     }
 
 }