1 files changed, 216 insertions, 0 deletions
diff --git a/main/src/ui/java/de/blinkt/openvpn/fragments/FaqFragment.java b/main/src/ui/java/de/blinkt/openvpn/fragments/FaqFragment.java
new file mode 100644
index 00000000..af4c35fe
--- /dev/null
+++ b/main/src/ui/java/de/blinkt/openvpn/fragments/FaqFragment.java
@@ -0,0 +1,216 @@
+/*
+ * Copyright (c) 2012-2016 Arne Schwabe
+ * Distributed under the GNU GPL v2 with additional terms. For full terms see the file doc/LICENSE.txt
+ */
+
+package de.blinkt.openvpn.fragments;
+
+import android.app.Fragment;
+import android.content.Context;
+import android.os.Build;
+import android.os.Bundle;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.StaggeredGridLayoutManager;
+import android.util.DisplayMetrics;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import java.util.Vector;
+
+import de.blinkt.openvpn.R;
+
+public class FaqFragment extends Fragment {
+    static class FAQEntry {
+
+        public FAQEntry(int startVersion, int endVersion, int title, int description) {
+            this.startVersion = startVersion;
+            this.endVersion = endVersion;
+            this.description = description;
+            this.title = title;
+        }
+
+        final int startVersion;
+        final int endVersion;
+        final int description;
+        final int title;
+
+        public boolean runningVersion() {
+            if (Build.VERSION.SDK_INT >= startVersion) {
+                if (Build.VERSION.SDK_INT <= endVersion)
+                    return true;
+
+                if (endVersion == -1)
+                    return true;
+
+                String release = Build.VERSION.RELEASE;
+                boolean isOlderThan443 =  !release.startsWith("4.4.3")  && !release.startsWith("4.4.4") &&
+                        !release.startsWith("4.4.5") && !release.startsWith("4.4.6");
+
+                boolean isOlderThan442 = isOlderThan443 && !release.startsWith("4.4.2");
+
+
+                if(Build.VERSION.SDK_INT== Build.VERSION_CODES.KITKAT) {
+                    if (endVersion == -441 && isOlderThan442)
+                        return true;
+
+                    if (endVersion == -442 && isOlderThan443)
+                        return true;
+                } else if (endVersion == -441 || endVersion == -442) {
+                    return Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT;
+                }
+
+
+            }
+            return false;
+        }
+
+        public String getVersionsString(Context c) {
+            if (startVersion == Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
+                if (endVersion == -1)
+                    return null;
+                else
+                    return c.getString(R.string.version_upto, getAndroidVersionString(c, endVersion));
+            }
+
+            if (endVersion == -1)
+                return c.getString(R.string.version_and_later, getAndroidVersionString(c, startVersion));
+
+
+            String startver = getAndroidVersionString(c, startVersion);
+
+            if (endVersion == startVersion)
+                return startver;
+
+            return String.format("%s - %s", startver, getAndroidVersionString(c, endVersion));
+        }
+
+
+        private String getAndroidVersionString(Context c, int versionCode) {
+            switch (versionCode) {
+                case Build.VERSION_CODES.ICE_CREAM_SANDWICH:
+                    return "4.0 (Ice Cream Sandwich)";
+                case -441:
+                    return "4.4.1 (KitKat)";
+                case -442:
+                    return "4.4.2 (KitKat)";
+                case Build.VERSION_CODES.JELLY_BEAN_MR2:
+                    return "4.3 (Jelly Bean MR2)";
+                case Build.VERSION_CODES.KITKAT:
+                    return "4.4 (KitKat)";
+                case Build.VERSION_CODES.LOLLIPOP:
+                    return "5.0 (Lollipop)";
+                default:
+                    return "API " + versionCode;
+            }
+        }
+
+
+    }
+
+    private static FAQEntry[] faqitemsVersionSpecific = {
+
+            new FAQEntry(Build.VERSION_CODES.ICE_CREAM_SANDWICH, -1, R.string.faq_howto_title, R.string.faq_howto),
+
+            new FAQEntry(Build.VERSION_CODES.ICE_CREAM_SANDWICH, -1, R.string.faq_killswitch_title, R.string.faq_killswitch),
+
+            new FAQEntry(Build.VERSION_CODES.ICE_CREAM_SANDWICH, -1, R.string.faq_remote_api_title, R.string.faq_remote_api),
+
+            new FAQEntry(Build.VERSION_CODES.ICE_CREAM_SANDWICH, -1, R.string.weakmd_title, R.string.weakmd),
+            new FAQEntry(Build.VERSION_CODES.LOLLIPOP, -1, R.string.samsung_broken_title, R.string.samsung_broken),
+
+            new FAQEntry(Build.VERSION_CODES.ICE_CREAM_SANDWICH, -1, R.string.faq_duplicate_notification_title, R.string.faq_duplicate_notification),
+
+            new FAQEntry(Build.VERSION_CODES.ICE_CREAM_SANDWICH, -1, R.string.faq_androids_clients_title, R.string.faq_android_clients),
+
+
+            new FAQEntry(Build.VERSION_CODES.LOLLIPOP, Build.VERSION_CODES.LOLLIPOP_MR1, R.string.ab_lollipop_reinstall_title, R.string.ab_lollipop_reinstall),
+
+
+            new FAQEntry(Build.VERSION_CODES.ICE_CREAM_SANDWICH, Build.VERSION_CODES.JELLY_BEAN_MR2, R.string.vpn_tethering_title, R.string.faq_tethering),
+            new FAQEntry(Build.VERSION_CODES.ICE_CREAM_SANDWICH, Build.VERSION_CODES.JELLY_BEAN_MR2, R.string.broken_images, R.string.broken_images_faq),
+
+            new FAQEntry(Build.VERSION_CODES.ICE_CREAM_SANDWICH, -1, R.string.battery_consumption_title, R.string.baterry_consumption),
+
+
+            new FAQEntry(Build.VERSION_CODES.ICE_CREAM_SANDWICH, Build.VERSION_CODES.KITKAT, R.string.faq_system_dialogs_title, R.string.faq_system_dialogs),
+            new FAQEntry(Build.VERSION_CODES.ICE_CREAM_SANDWICH, -1, R.string.tap_mode, R.string.faq_tap_mode),
+
+            new FAQEntry(Build.VERSION_CODES.JELLY_BEAN_MR2, Build.VERSION_CODES.JELLY_BEAN_MR2, R.string.ab_secondary_users_title, R.string.ab_secondary_users),
+            new FAQEntry(Build.VERSION_CODES.JELLY_BEAN_MR2, -1, R.string.faq_vpndialog43_title, R.string.faq_vpndialog43),
+
+            new FAQEntry(Build.VERSION_CODES.ICE_CREAM_SANDWICH, -1, R.string.tls_cipher_alert_title, R.string.tls_cipher_alert),
+
+            new FAQEntry(Build.VERSION_CODES.ICE_CREAM_SANDWICH, -1, R.string.faq_security_title, R.string.faq_security),
+
+            new FAQEntry(Build.VERSION_CODES.ICE_CREAM_SANDWICH, -1, R.string.faq_shortcut, R.string.faq_howto_shortcut),
+            new FAQEntry(Build.VERSION_CODES.ICE_CREAM_SANDWICH, -1, R.string.tap_mode, R.string.tap_faq2),
+
+            new FAQEntry(Build.VERSION_CODES.KITKAT, -1, R.string.vpn_tethering_title, R.string.ab_tethering_44),
+            new FAQEntry(Build.VERSION_CODES.KITKAT, -441, R.string.ab_kitkat_mss_title, R.string.ab_kitkat_mss),
+            new FAQEntry(Build.VERSION_CODES.ICE_CREAM_SANDWICH, -1, R.string.copying_log_entries, R.string.faq_copying),
+
+            new FAQEntry(Build.VERSION_CODES.KITKAT, -442, R.string.ab_persist_tun_title, R.string.ab_persist_tun),
+            new FAQEntry(Build.VERSION_CODES.KITKAT, -1, R.string.faq_routing_title, R.string.faq_routing),
+            new FAQEntry(Build.VERSION_CODES.KITKAT, Build.VERSION_CODES.KITKAT, R.string.ab_kitkat_reconnect_title, R.string.ab_kitkat_reconnect),
+            new FAQEntry(Build.VERSION_CODES.KITKAT, Build.VERSION_CODES.KITKAT, R.string.ab_vpn_reachability_44_title,  R.string.ab_vpn_reachability_44),
+
+
+            new FAQEntry(Build.VERSION_CODES.ICE_CREAM_SANDWICH, -1, R.string.ab_only_cidr_title, R.string.ab_only_cidr),
+            new FAQEntry(Build.VERSION_CODES.ICE_CREAM_SANDWICH, -1, R.string.ab_proxy_title, R.string.ab_proxy),
+
+            new FAQEntry(Build.VERSION_CODES.LOLLIPOP, -1, R.string.ab_not_route_to_vpn_title, R.string.ab_not_route_to_vpn),
+            new FAQEntry(Build.VERSION_CODES.ICE_CREAM_SANDWICH, -1, R.string.tap_mode, R.string.tap_faq3),
+
+            // DNS weirdness in Samsung 5.0: https://plus.google.com/117315704597472009168/posts/g78bZLWmqgD
+    };
+
+
+    private RecyclerView mRecyclerView;
+
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View v = inflater.inflate(R.layout.faq, container, false);
+
+        DisplayMetrics displaymetrics = new DisplayMetrics();
+        getActivity().getWindowManager().getDefaultDisplay().getMetrics(displaymetrics);
+        int dpWidth = (int) (displaymetrics.widthPixels / getResources().getDisplayMetrics().density);
+
+        //better way but does not work on 5.0
+        //int dpWidth = (int) (container.getWidth()/getResources().getDisplayMetrics().density);
+        int columns = dpWidth / 360;
+        columns = Math.max(1, columns);
+
+
+        mRecyclerView = (RecyclerView) v.findViewById(R.id.faq_recycler_view);
+
+        // use this setting to improve performance if you know that changes
+        // in content do not change the layout size of the RecyclerView
+        mRecyclerView.setHasFixedSize(true);
+
+
+        mRecyclerView.setLayoutManager(new StaggeredGridLayoutManager(columns, StaggeredGridLayoutManager.VERTICAL));
+
+        mRecyclerView.setAdapter(new FaqViewAdapter(getActivity(), getFAQEntries()));
+
+        return v;
+    }
+
+    private FAQEntry[] getFAQEntries() {
+        Vector<FAQEntry> faqItems = new Vector<>();
+
+        for (FAQEntry fe : faqitemsVersionSpecific) {
+            if (fe.runningVersion())
+                faqItems.add(fe);
+        }
+        for (FAQEntry fe : faqitemsVersionSpecific) {
+            if (!fe.runningVersion())
+                faqItems.add(fe);
+        }
+
+        return faqItems.toArray(new FAQEntry[faqItems.size()]);
+    }
+
+}