Various fixes, Checkin (dependency for GCM) is still broken!

Fix lint (fixes #20)
(hopefully) Fix mcs loop (could cause high battery drain)
Show link to UnifiedNlp in settings (mentioned in #10, @XDA)
Add extended description for settings (mentioned @XDA)

extern/GmsApi

@@ -1 +1 @@
-Subproject commit ef5e6dc0668a8ca152aa38a78f0e91d65120d3b6
+Subproject commit 2c847ce6e8ac1604356dc45fd672cfdd6ad4d73b

extern/UnifiedNlp

@@ -1 +1 @@
-Subproject commit 06341df3469b581e2bf5ab46e09cc1bb75a5d811
+Subproject commit 74fb8b696aaf35584b97c86eb7d9e67aaaf0e685

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.2.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.4-all.zip

play-services-core/build.gradle

@@ -16,25 +16,25 @@
 
 buildscript {
     repositories {
-        mavenCentral()
+        jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.1.0'
+        classpath 'com.android.tools.build:gradle:1.2.3'
     }
 }
 
 apply plugin: 'com.android.application'
 
 repositories {
-    mavenCentral()
+    jcenter()
     flatDir {
         dirs '../libs'
     }
 }
 
 dependencies {
-    compile 'com.android.support:support-v4:22.0.0'
-    compile 'com.android.support:appcompat-v7:22.0.0'
+    compile 'com.android.support:support-v4:22.2.0'
+    compile 'com.android.support:appcompat-v7:22.2.0'
     compile 'de.hdodenhof:circleimageview:1.2.1'
     compile 'com.squareup.wire:wire-runtime:1.6.1'
     compile project(':play-services-api')
@@ -64,6 +64,10 @@ android {
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_6
     }
+    lintOptions {
+        // TODO: Remove MissingTranslation once we have stable strings and proper translations.
+        disable 'MissingTranslation', 'InvalidPackage'
+    }
 }
 
 if (file('user.gradle').exists()) {

play-services-core/src/main/AndroidManifest.xml

@@ -19,7 +19,7 @@
     android:versionName="7.5.74 (µg v0.01)">
 
     <uses-sdk
-        android:minSdkVersion="10"
+        android:minSdkVersion="14"
         android:targetSdkVersion="22" />
 
     <permission
@@ -51,6 +51,7 @@
         android:description="@string/permission_service_writely_description"
         android:label="@string/permission_service_writely_label"
         android:protectionLevel="dangerous" />
+
     <permission
         android:name="org.microg.gms.STATUS_BROADCAST"
         android:label="@string/perm_status_broadcast_label"
@@ -187,6 +188,7 @@
                     android:scheme="android_secret_code" />
             </intent-filter>
         </receiver>
+        <receiver android:name="org.microg.gms.gcm.PendingReceiver" />
 
         <!-- DroidGuard -->
 
@@ -337,7 +339,8 @@
         <activity
             android:name="org.microg.gms.ui.SettingsActivity"
             android:icon="@drawable/ic_microg_app"
-            android:label="@string/gms_settings_name">
+            android:label="@string/gms_settings_name"
+            android:theme="@style/SettingsTheme">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />

play-services-core/src/main/java/org/microg/gms/gcm/McsService.java

@@ -61,6 +61,7 @@ public class McsService extends IntentService {
     public static final int HEARTBEAT_MS = 60000;
     public static final int HEARTBEAT_ALLOWED_OFFSET_MS = 2000;
     private static final AtomicBoolean connecting = new AtomicBoolean(false);
+    private static final AtomicBoolean pending = new AtomicBoolean(false);
     private static Thread connectionThread;
     private static Thread heartbeatThread;
 
@@ -73,6 +74,10 @@ public class McsService extends IntentService {
         super(TAG);
     }
 
+    public static AtomicBoolean getPending() {
+        return pending;
+    }
+
     @Override
     protected void onHandleIntent(Intent intent) {
         if (!isConnected()) {
@@ -86,6 +91,7 @@ public class McsService extends IntentService {
         } else {
             Log.d(TAG, "MCS connection already started");
         }
+        pending.set(false);
     }
 
     public static boolean isConnected() {

play-services-core/src/main/java/org/microg/gms/gcm/PendingReceiver.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2013-2015 µg Project Team
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.microg.gms.gcm;
+
+public class PendingReceiver {
+}

play-services-core/src/main/java/org/microg/gms/gcm/TriggerReceiver.java

@@ -16,29 +16,39 @@
 
 package org.microg.gms.gcm;
 
+import android.app.AlarmManager;
+import android.app.PendingIntent;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
+import android.os.SystemClock;
 import android.preference.PreferenceManager;
 
 public class TriggerReceiver extends BroadcastReceiver {
     private static final String PREF_ENABLE_GCM = "gcm_enable_mcs_service";
+    private static final long pendingDelay = 1000;
 
     @Override
     public void onReceive(Context context, Intent intent) {
         boolean force = "android.provider.Telephony.SECRET_CODE".equals(intent.getAction());
 
-        ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
-        NetworkInfo networkInfo = cm.getActiveNetworkInfo();
+        if (McsService.getPending().compareAndSet(false, true)) {
+            if (!McsService.isConnected() || force) {
+                if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean(PREF_ENABLE_GCM, false) || force) {
 
-        if (networkInfo != null && networkInfo.isConnected() || force) {
-            if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean(PREF_ENABLE_GCM, false) || force) {
-                if (!McsService.isConnected() || force) {
-                    context.startService(new Intent(context, McsService.class));
+                    ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
+                    NetworkInfo networkInfo = cm.getActiveNetworkInfo();
+                    if (networkInfo != null && networkInfo.isConnected() || force) {
+                        AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
+                        PendingIntent pendingIntent = PendingIntent.getService(context, 0, new Intent(context, McsService.class), 0);
+                        alarmManager.set(AlarmManager.ELAPSED_REALTIME, SystemClock.elapsedRealtime() + pendingDelay, pendingIntent);
+                        return;
+                    }
                 }
             }
+            McsService.getPending().set(false);
         }
     }
 }

play-services-core/src/main/res/values/signature.xml

@@ -15,7 +15,7 @@
   -->
 
 <resources>
-    <string name="fake_signature">
+    <string name="fake_signature" translatable="false">
         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
     </string>
 </resources>

play-services-core/src/main/res/values/strings.xml

@@ -34,5 +34,15 @@
     <string name="pref_auth_trust_google_title">Trust Google for app permissions</string>
     <string name="pref_auth_trust_google_summary">When disabled, the user is asked before an apps authorization request is sent to Google. Some applications will fail to use the Google account if this is disabled.</string>
 
+    <string name="pref_checkin_enable">checkin_enable_service</string>
+    <string name="pref_checkin_enable_title">Enable device checkin</string>
+    <string name="pref_checkin_enable_summary">Device checkin is a hidden process that is used to create an unique identifier for Google services. µg GmsCore strips identifying bits other than your Google account name from this data.</string>
+    <string name="pref_gcm_enable_mcs">gcm_enable_mcs_service</string>
+    <string name="pref_gcm_enable_mcs_title">Enable Google Cloud Messaging</string>
+    <string name="pref_gcm_enable_mcs_summary">Google Cloud Messaging is a push notification provider used by many applications. To use it you must enable device checkin.</string>
+
+    <string name="prefcat_services">Background services</string>
+    <string name="prefcat_components">Components</string>
+
     <string name="gms_settings_name">µg Settings</string>
 </resources>

play-services-core/src/main/res/xml/gms_preferences.xml

@@ -15,15 +15,24 @@
   -->
 
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
-    <PreferenceCategory android:title="Background services">
+    <PreferenceCategory android:title="@string/prefcat_services">
         <CheckBoxPreference
-            android:key="checkin_enable_service"
             android:defaultValue="false"
-            android:title="Enable regular checkin" />
+            android:key="@string/pref_checkin_enable"
+            android:summary="@string/pref_checkin_enable_summary"
+            android:title="@string/pref_checkin_enable_title" />
         <CheckBoxPreference
-            android:key="gcm_enable_mcs_service"
             android:defaultValue="false"
-            android:dependency="checkin_enable_service"
-            android:title="Enable Google Cloud Messaging" />
+            android:dependency="@string/pref_checkin_enable"
+            android:key="@string/pref_gcm_enable_mcs"
+            android:summary="@string/pref_gcm_enable_mcs_summary"
+            android:title="@string/pref_gcm_enable_mcs_title" />
+    </PreferenceCategory>
+    <PreferenceCategory android:title="@string/prefcat_components">
+        <Preference android:title="@string/nlp_settings_label">
+            <intent
+                android:targetClass="org.microg.nlp.ui.SettingsActivity"
+                android:targetPackage="com.google.android.gms" />
+        </Preference>
     </PreferenceCategory>
 </PreferenceScreen>