Android standalone: remove some usages of deprecated APIs and prevent further regressions.

Also:
- Fixed WebRTCDemo UI to say "SwitchToBack" at startup since default camera is front
- Rebuild WebRTCDemo APK when resources/layout/strings change

R=henrike@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/2337004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4916 4adac7df-926f-26a2-2b94-8c16560cd09d

talk/examples/android/project.properties

@@ -12,3 +12,5 @@
 
 # Project target.
 target=android-17
+
+java.compilerargs=-Xlint:all -Werror

talk/examples/android/src/org/appspot/apprtc/AppRTCClient.java

@@ -301,7 +301,7 @@ public class AppRTCClient {
           JSONArray mandatoryKeys = mandatoryJSON.names();
           if (mandatoryKeys != null) {
             for (int i = 0; i < mandatoryKeys.length(); ++i) {
-              String key = (String) mandatoryKeys.getString(i);
+              String key = mandatoryKeys.getString(i);
               String value = mandatoryJSON.getString(key);
               constraints.mandatory.add(
                   new MediaConstraints.KeyValuePair(key, value));

talk/examples/android/src/org/appspot/apprtc/AppRTCDemoActivity.java

@@ -36,6 +36,7 @@ import android.media.AudioManager;
 import android.os.Bundle;
 import android.os.PowerManager;
 import android.util.Log;
+import android.view.WindowManager;
 import android.webkit.JavascriptInterface;
 import android.widget.EditText;
 import android.widget.Toast;
@@ -96,10 +97,8 @@ public class AppRTCDemoActivity extends Activity
     Thread.setDefaultUncaughtExceptionHandler(
         new UnhandledExceptionHandler(this));
 
-    PowerManager powerManager = (PowerManager) getSystemService(POWER_SERVICE);
-    wakeLock = powerManager.newWakeLock(
-        PowerManager.SCREEN_BRIGHT_WAKE_LOCK, "AppRTCDemo");
-    wakeLock.acquire();
+    getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
+    getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 
     Point displaySize = new Point();
     getWindowManager().getDefaultDisplay().getSize(displaySize);
@@ -111,9 +110,13 @@ public class AppRTCDemoActivity extends Activity
 
     AudioManager audioManager =
         ((AudioManager) getSystemService(AUDIO_SERVICE));
-    audioManager.setMode(audioManager.isWiredHeadsetOn() ?
+    // TODO(fischman): figure out how to do this Right(tm) and remove the
+    // suppression.
+    @SuppressWarnings("deprecation")
+    boolean isWiredHeadsetOn = audioManager.isWiredHeadsetOn();
+    audioManager.setMode(isWiredHeadsetOn ?
         AudioManager.MODE_IN_CALL : AudioManager.MODE_IN_COMMUNICATION);
-    audioManager.setSpeakerphoneOn(!audioManager.isWiredHeadsetOn());
+    audioManager.setSpeakerphoneOn(!isWiredHeadsetOn);
 
     sdpMediaConstraints = new MediaConstraints();
     sdpMediaConstraints.mandatory.add(new MediaConstraints.KeyValuePair(

webrtc/modules/video_render/android/java/src/org/webrtc/videoengine/ViERenderer.java

@@ -47,7 +47,6 @@ public class ViERenderer {
     public static SurfaceView CreateLocalRenderer(Context context) {
         SurfaceView localRender = new SurfaceView(context);
         g_localRenderer = localRender.getHolder();
-        g_localRenderer.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
         return localRender;
     }
 

webrtc/video_engine/test/android/android_video_demo.gypi

@@ -50,6 +50,7 @@
             '<(PRODUCT_DIR)/lib.java/video_render_module_java.jar',
             '<(PRODUCT_DIR)/libwebrtc-video-demo-jni.so',
             '<!@(find <(android_webrtc_demo_root)/src -name "*.java")',
+            '<!@(find <(android_webrtc_demo_root)/res -type f)',
           ],
           'outputs': ['<(PRODUCT_DIR)/WebRTCDemo-debug.apk'],
           'action': ['bash', '-ec',

webrtc/video_engine/test/android/build.xml

@@ -895,6 +895,10 @@ Notice for all the files in this folder.
                     verbose="${verbose}"
                     classpathref="project.javac.classpath"
                     fork="${need.javac.fork}">
+                <!-- TODO(henrike): uncomment once WebRTCDemo stops using -->
+                <!-- (deprecated) TabActivity -->
+                <!-- <compilerarg value="-Xlint:all"/> -->
+                <!-- <compilerarg value="-Werror"/> -->
                 <src path="${source.absolute.dir}" />
                 <src path="${gen.absolute.dir}" />
                 <src path="${webrtc.modules.dir}/video_capture/android/java" />

webrtc/video_engine/test/android/res/layout/both.xml

@@ -20,7 +20,7 @@
             <Button android:id="@+id/btSwitchCamera"
                     android:layout_width="fill_parent"
                     android:layout_height="wrap_content"
-                    android:text="@string/frontCamera"
+                    android:text="@string/backCamera"
                     android:layout_gravity="bottom"/>
             <Button android:id="@+id/btStartStopCall"
                     android:layout_width="fill_parent"

webrtc/video_engine/test/android/src/org/webrtc/videoengineapp/WebRTCDemo.java

@@ -31,8 +31,6 @@ import android.net.Uri;
 import android.os.Bundle;
 import android.os.Environment;
 import android.os.Handler;
-import android.os.PowerManager;
-import android.os.PowerManager.WakeLock;
 import android.util.Log;
 import android.view.Display;
 import android.view.Gravity;
@@ -67,10 +65,9 @@ import java.net.NetworkInterface;
 import java.net.SocketException;
 import java.util.Enumeration;
 
-/** {@} */
 public class WebRTCDemo extends TabActivity implements IViEAndroidCallback,
-                                                View.OnClickListener,
-                                                OnItemSelectedListener {
+                                                       View.OnClickListener,
+                                                       OnItemSelectedListener {
     private ViEAndroidJavaAPI vieAndroidAPI = null;
 
     // remote renderer
@@ -187,8 +184,6 @@ public class WebRTCDemo extends TabActivity implements IViEAndroidCallback,
     private String webrtcName = "/webrtc";
     private String webrtcDebugDir = null;
 
-    private WakeLock wakeLock;
-
     private boolean usingFrontCamera = true;
     // The orientations (in degrees) of each of the cameras CCW-relative to the
     // device, indexed by CameraInfo.CAMERA_FACING_{BACK,FRONT}, and -1
@@ -264,17 +259,12 @@ public class WebRTCDemo extends TabActivity implements IViEAndroidCallback,
 
         super.onCreate(savedInstanceState);
         requestWindowFeature(Window.FEATURE_NO_TITLE);
-        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
-                WindowManager.LayoutParams.FLAG_FULLSCREEN);
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
         setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
 
         populateCameraOrientations();
 
-        PowerManager pm = (PowerManager) this.getSystemService(
-            Context.POWER_SERVICE);
-        wakeLock = pm.newWakeLock(
-            PowerManager.SCREEN_DIM_WAKE_LOCK, TAG);
-
         setContentView(R.layout.tabhost);
 
         IntentFilter receiverFilter = new IntentFilter(Intent.ACTION_HEADSET_PLUG);
@@ -502,7 +492,9 @@ public class WebRTCDemo extends TabActivity implements IViEAndroidCallback,
             AlertDialog alertDialog = new AlertDialog.Builder(this).create();
             alertDialog.setTitle("WebRTC Error");
             alertDialog.setMessage("Can not init video engine.");
-            alertDialog.setButton("OK", new DialogInterface.OnClickListener() {
+            alertDialog.setButton(
+                DialogInterface.BUTTON_POSITIVE,
+                "OK", new DialogInterface.OnClickListener() {
                     public void onClick(DialogInterface dialog, int which) {
                         return;
                     } });
@@ -848,12 +840,10 @@ public class WebRTCDemo extends TabActivity implements IViEAndroidCallback,
         if (viERunning || voERunning) {
             stopAll();
             startMain();
-            wakeLock.release(); // release the wake lock
             btStartStopCall.setText(R.string.startCall);
         } else if (enableVoice || enableVideo){
             ++numCalls;
             startCall();
-            wakeLock.acquire(); // screen stay on during the call
             btStartStopCall.setText(R.string.stopCall);
         }
         if (AUTO_CALL_RESTART_DELAY_MS > 0) {