Support for using Signal without Play Services

This is now possible with beta calling, so non-GCM users are a
part of beta calling by default.

// FREEBIE

Author: moxie0

AndroidManifest.xml

@@ -84,6 +84,7 @@
     <uses-permission android:name="android.permission.READ_CALL_STATE"/>
     <uses-permission android:name="android.permission.READ_LOGS"/>
     <uses-permission android:name="android.permission.WRITE_CALL_LOG"/>
+    <uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS"/>
 
     <permission android:name="org.thoughtcrime.securesms.permission.C2D_MESSAGE"
                 android:protectionLevel="signature" />
@@ -533,6 +534,12 @@
         </intent-filter>
     </receiver>
 
+    <receiver android:name=".service.PersistentConnectionBootListener">
+        <intent-filter>
+            <action android:name="android.intent.action.BOOT_COMPLETED"/>
+        </intent-filter>
+    </receiver>
+
     <receiver android:name=".notifications.MessageNotifier$ReminderReceiver">
         <intent-filter>
             <action android:name="org.thoughtcrime.securesms.MessageNotifier.REMINDER_ACTION"/>

build.gradle

@@ -57,7 +57,7 @@ dependencies {
 
     compile 'org.whispersystems:jobmanager:1.0.2'
     compile 'org.whispersystems:libpastelog:1.0.7'
-    compile 'org.whispersystems:signal-service-android:2.5.0'
+    compile 'org.whispersystems:signal-service-android:2.5.1'
     compile 'org.whispersystems:webrtc-android:M56-S1'
 
     compile "me.leolin:ShortcutBadger:1.10-WS1"
@@ -127,7 +127,7 @@ dependencyVerification {
         'com.google.android.gms:play-services-places:abf3a4a3b146ec7e6e753be62775e512868cf37d6f88ffe2d81167b33b57132b',
         'org.whispersystems:jobmanager:506f679fc2fcf7bb6d10f00f41d6f6ea0abf75c70dc95b913398661ad538a181',
         'org.whispersystems:libpastelog:bb331d9a98240fc139101128ba836c1edec3c40e000597cdbb29ebf4cbf34d88',
-        'org.whispersystems:signal-service-android:f207fcf8f17b5a1f04053151cad518f9520f8fbfb2e5563a19828f6b2c2b7b6d',
+        'org.whispersystems:signal-service-android:b0329b155cc9ad5e7fc08e4660538df1827c6d9485b05cab41946f36ad7ee0ab',
         'org.whispersystems:webrtc-android:776a2769348f62aec28b9be6e97dcfea9c07b472ddbe24ac1ca1c46567cf8a8e',
         'me.leolin:ShortcutBadger:e8e39df8a59d8211a30f40b1eeab21b3fa57b3f3e0f03abb995f82d66588778c',
         'se.emilsjolander:stickylistheaders:a08ca948aa6b220f09d82f16bbbac395f6b78897e9eeac6a9f0b0ba755928eeb',
@@ -162,22 +162,22 @@ dependencyVerification {
         'com.google.android.gms:play-services-base:0ca636a8fc9a5af45e607cdcd61783bf5d561cbbb0f862021ce69606eee5ad49',
         'com.google.android.gms:play-services-basement:95dd882c5ffba15b9a99de3fefb05d3a01946623af67454ca00055d222f85a8d',
         'com.google.android.gms:play-services-iid:54e919f9957b8b7820da7ee9b83471d00d0cac1cf08ddea8b5b41aea80bb1a70',
+        'org.whispersystems:signal-service-java:e0b9c41fcf614d58a71afcbb290d1864275b65364ca8fafeb5fbcbdc2d59a57a',
         'org.whispersystems:signal-protocol-android:1b4b9d557c8eaf861797ff683990d482d4aa8e9f23d9b17ff0cc67a02f38cb19',
-        'org.whispersystems:signal-service-java:910ed96e928355d118454e1dff6c11b9f95daa801f3b4022e5c8999bff47a888',
         'com.nineoldandroids:library:68025a14e3e7673d6ad2f95e4b46d78d7d068343aa99256b686fe59de1b3163a',
         'javax.inject:javax.inject:91c77044a50c481636c32d916fd89c9118a72195390452c81065080f957de7ff',
         'com.madgag.spongycastle:core:8d6240b974b0aca4d3da9c7dd44d42339d8a374358aca5fc98e50a995764511f',
         'com.google.android.gms:play-services-tasks:69ec265168e601d0203d04cd42e34bb019b2f029aa1e16fabd38a5153eea2086',
-        'org.whispersystems:curve25519-android:bf6c34223d45d2f2813a8efcab9923caf99115115c760c9acea680bcb42d23c0',
-        'org.whispersystems:signal-protocol-java:a835cd0609cf116a74651bd0aa748db9392bba48c2d2af787757b8a1b50d131c',
-        'com.googlecode.libphonenumber:libphonenumber:7214dc6dfc6243e34fb1a3e02ad15331bfff6ab902d679e3ba337695265c21ca',
         'com.google.protobuf:protobuf-java:e0c1c64575c005601725e7c6a02cebf9e1285e888f756b2a1d73ffa8d725cc74',
+        'com.googlecode.libphonenumber:libphonenumber:141ebcafba7070a13d879c44e7648ddbe10beab665cb64d7b0c1bea93afb8dc2',
         'com.fasterxml.jackson.core:jackson-databind:835097bcdd11f5bc8a08378c70d4c8054dfa4b911691cc2752063c75534d198d',
-        'com.squareup.okhttp3:okhttp:eecd834b09d12c3cd568b811522b97012619f7f00378c3c719a1957fac6458ef',
-        'org.whispersystems:curve25519-java:00f1d4919f759055f41f7853a3d475dc7c8decf0dbf045ae93414f8f23b066cc',
+        'com.squareup.okhttp3:okhttp:a992938d7203ca557cd7a116f002e8c427ec9cdae7ea852441abb8aec891f948',
+        'org.whispersystems:curve25519-android:bf6c34223d45d2f2813a8efcab9923caf99115115c760c9acea680bcb42d23c0',
+        'org.whispersystems:signal-protocol-java:a835cd0609cf116a74651bd0aa748db9392bba48c2d2af787757b8a1b50d131c',
         'com.fasterxml.jackson.core:jackson-annotations:0ca408c24202a7626ec8b861e99d85eca5e38b73311dd6dd12e3e9deecc3fe94',
         'com.fasterxml.jackson.core:jackson-core:cbf4604784b4de226262845447a1ad3bb38a6728cebe86562e2c5afada8be2c0',
         'com.squareup.okio:okio:8c5436cadfab36bbd97db5f5c43b7bfdb5bf2f5f894ec8709b1929f14bdd010c',
+        'org.whispersystems:curve25519-java:00f1d4919f759055f41f7853a3d475dc7c8decf0dbf045ae93414f8f23b066cc',
         'com.android.support:support-media-compat:8d6a1a5ba3d9eb1a25cb8f21bb312ac6280202e3d2900cb0b447d065d0d8a125',
         'com.android.support:support-core-utils:a7649e18c04143dde40c218c5ce9a030e7ae674089cd7b18c6cf8ed2a22cf01a',
         'com.android.support:support-fragment:1294500b357f52cf3779e2521c79f54ae7844f3b9a5f6727495dbbda7f231377',

res/values/strings.xml

@@ -370,6 +370,10 @@
     <string name="MessageDetailsRecipient_failed_to_send">Failed to send</string>
     <string name="MessageDetailsRecipient_new_safety_number">New safety number</string>
 
+    <!-- MessageRetrievalService -->
+    <string name="MessageRetrievalService_signal">Signal</string>
+    <string name="MessageRetrievalService_background_connection_enabled">Background connection enabled</string>
+
     <!-- MmsDownloader -->
     <string name="MmsDownloader_error_storing_mms">Error storing MMS!</string>
     <string name="MmsDownloader_error_connecting_to_mms_provider">Error connecting to MMS provider</string>
@@ -501,17 +505,16 @@
     <string name="RegistrationActivity_the_number_you_specified_s_is_invalid">The number you
         specified (%s) is invalid.
     </string>
-    <string name="RegistrationActivity_unsupported">Unsupported</string>
-    <string name="RegistrationActivity_sorry_this_device_is_not_supported_for_data_messaging">Sorry,
-        this device is not supported for data messaging. Devices running versions of Android older
-        than 4.0 must have a registered Google Account. Devices running Android 4.0 or newer do not
-        require a Google account, but must have the Play Store app installed.
-    </string>
     <string name="RegistrationActivity_we_will_now_verify_that_the_following_number_is_associated_with_your_device_s">
         Double-check that this is your number! We\'re about to verify it with an SMS.
     </string>
     <string name="RegistrationActivity_continue">Continue</string>
     <string name="RegistrationActivity_edit">Edit</string>
+    <string name="RegistrationActivity_missing_google_play_services">Missing Google Play Services</string>
+    <string name="RegistrationActivity_this_device_is_missing_google_play_services">This device is missing Google Play Services. You can still use Signal, but this configuration may result in reduced reliability or performance.\n\nIf you are not an advanced user, are not running an aftermarket Android ROM, or believe that you are seeing this in error, please contact support@whispersystems.org for help trouble shooting.</string>
+    <string name="RegistrationActivity_i_understand">I understand</string>
+    <string name="RegistrationActivity_play_services_error">Play Services Error</string>
+    <string name="RegistrationActivity_google_play_services_is_updating_or_unavailable">Google Play Services is updating or temporarily unavailable. Please try again.</string>
 
     <!-- RegistrationProblemsActivity -->
     <string name="RegistrationProblemsActivity_possible_problems">Possible problems</string>

src/org/thoughtcrime/securesms/ConversationListFragment.java

@@ -54,6 +54,7 @@
 import org.thoughtcrime.securesms.ConversationListAdapter.ItemClickListener;
 import org.thoughtcrime.securesms.components.recyclerview.DeleteItemAnimator;
 import org.thoughtcrime.securesms.components.reminder.DefaultSmsReminder;
+import org.thoughtcrime.securesms.components.reminder.DozeReminder;
 import org.thoughtcrime.securesms.components.reminder.ExpiredBuildReminder;
 import org.thoughtcrime.securesms.components.reminder.OutdatedBuildReminder;
 import org.thoughtcrime.securesms.components.reminder.PushRegistrationReminder;
@@ -184,6 +185,8 @@ private void updateReminders() {
           return Optional.of((new PushRegistrationReminder(context, masterSecret)));
         } else if (ShareReminder.isEligible(context)) {
           return Optional.of(new ShareReminder(context));
+        } else if (DozeReminder.isEligible(context)) {
+          return Optional.of(new DozeReminder(context));
         } else {
           return Optional.absent();
         }

src/org/thoughtcrime/securesms/RegistrationActivity.java

@@ -1,6 +1,7 @@
 package org.thoughtcrime.securesms;
 
 import android.content.ActivityNotFoundException;
+import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.net.Uri;
@@ -20,6 +21,7 @@
 import android.widget.Toast;
 
 import com.google.android.gms.common.ConnectionResult;
+import com.google.android.gms.common.GoogleApiAvailability;
 import com.google.android.gms.common.GooglePlayServicesUtil;
 import com.google.i18n.phonenumbers.AsYouTypeFormatter;
 import com.google.i18n.phonenumbers.NumberParseException;
@@ -44,6 +46,13 @@ public class RegistrationActivity extends BaseActionBarActivity {
   private static final int PICK_COUNTRY = 1;
   private static final String TAG = RegistrationActivity.class.getSimpleName();
 
+  private enum PlayServicesStatus {
+    SUCCESS,
+    MISSING,
+    NEEDS_UPDATE,
+    TRANSIENT_ERROR
+  }
+
   private AsYouTypeFormatter   countryFormatter;
   private ArrayAdapter<String> countrySpinnerAdapter;
   private Spinner              countrySpinner;
@@ -211,35 +220,81 @@ public void onClick(View v) {
         return;
       }
 
-      int gcmStatus = GooglePlayServicesUtil.isGooglePlayServicesAvailable(self);
+      PlayServicesStatus gcmStatus = checkPlayServices(self);
 
-      if (gcmStatus != ConnectionResult.SUCCESS) {
-        if (GooglePlayServicesUtil.isUserRecoverableError(gcmStatus)) {
-          GooglePlayServicesUtil.getErrorDialog(gcmStatus, self, 9000).show();
-        } else {
-          Dialogs.showAlertDialog(self, getString(R.string.RegistrationActivity_unsupported),
-                                  getString(R.string.RegistrationActivity_sorry_this_device_is_not_supported_for_data_messaging));
-        }
-        return;
+      if (gcmStatus == PlayServicesStatus.SUCCESS) {
+        promptForRegistrationStart(self, e164number, true);
+      } else if (gcmStatus == PlayServicesStatus.MISSING) {
+        promptForNoPlayServices(self, e164number);
+      } else if (gcmStatus == PlayServicesStatus.NEEDS_UPDATE) {
+        GoogleApiAvailability.getInstance().getErrorDialog(self, ConnectionResult.SERVICE_VERSION_UPDATE_REQUIRED, 0);
+      } else {
+        Dialogs.showAlertDialog(self, getString(R.string.RegistrationActivity_play_services_error),
+                                getString(R.string.RegistrationActivity_google_play_services_is_updating_or_unavailable));
       }
+    }
 
-      AlertDialog.Builder dialog = new AlertDialog.Builder(self);
+    private void promptForRegistrationStart(final Context context, final String e164number, final boolean gcmSupported) {
+      AlertDialog.Builder dialog = new AlertDialog.Builder(context);
       dialog.setTitle(PhoneNumberFormatter.getInternationalFormatFromE164(e164number));
       dialog.setMessage(R.string.RegistrationActivity_we_will_now_verify_that_the_following_number_is_associated_with_your_device_s);
       dialog.setPositiveButton(getString(R.string.RegistrationActivity_continue),
                                new DialogInterface.OnClickListener() {
                                  @Override
                                  public void onClick(DialogInterface dialog, int which) {
-                                   Intent intent = new Intent(self, RegistrationProgressActivity.class);
-                                   intent.putExtra("e164number", e164number);
-                                   intent.putExtra("master_secret", masterSecret);
+                                   Intent intent = new Intent(context, RegistrationProgressActivity.class);
+                                   intent.putExtra(RegistrationProgressActivity.NUMBER_EXTRA, e164number);
+                                   intent.putExtra(RegistrationProgressActivity.MASTER_SECRET_EXTRA, masterSecret);
+                                   intent.putExtra(RegistrationProgressActivity.GCM_SUPPORTED_EXTRA, gcmSupported);
                                    startActivity(intent);
                                    finish();
                                  }
                                });
       dialog.setNegativeButton(getString(R.string.RegistrationActivity_edit), null);
       dialog.show();
     }
+
+    private void promptForNoPlayServices(final Context context, final String e164number) {
+      AlertDialog.Builder dialog = new AlertDialog.Builder(context);
+      dialog.setTitle(R.string.RegistrationActivity_missing_google_play_services);
+      dialog.setMessage(R.string.RegistrationActivity_this_device_is_missing_google_play_services);
+      dialog.setPositiveButton(R.string.RegistrationActivity_i_understand, new DialogInterface.OnClickListener() {
+        @Override
+        public void onClick(DialogInterface dialog, int which) {
+          promptForRegistrationStart(context, e164number, false);
+        }
+      });
+      dialog.setNegativeButton(android.R.string.cancel, null);
+      dialog.show();
+    }
+
+    private PlayServicesStatus checkPlayServices(Context context) {
+      int gcmStatus = 0;
+
+      try {
+        gcmStatus = GoogleApiAvailability.getInstance().isGooglePlayServicesAvailable(context);
+      } catch (Throwable t) {
+        Log.w(TAG, t);
+        return PlayServicesStatus.MISSING;
+      }
+
+      Log.w(TAG, "Play Services: " + gcmStatus);
+
+      switch (gcmStatus) {
+        case ConnectionResult.SUCCESS:
+          return PlayServicesStatus.SUCCESS;
+        case ConnectionResult.SERVICE_VERSION_UPDATE_REQUIRED:
+          return PlayServicesStatus.NEEDS_UPDATE;
+        case ConnectionResult.SERVICE_DISABLED:
+        case ConnectionResult.SERVICE_MISSING:
+        case ConnectionResult.SERVICE_INVALID:
+        case ConnectionResult.API_UNAVAILABLE:
+        case ConnectionResult.SERVICE_MISSING_PERMISSION:
+          return PlayServicesStatus.MISSING;
+        default:
+          return PlayServicesStatus.TRANSIENT_ERROR;
+      }
+    }
   }
 
   private class CountryCodeChangedListener implements TextWatcher {