Camera2 in AppRTC Android Demo.

webrtc/examples/androidapp/src/org/appspot/apprtc/SettingsActivity.java

 /*
  *  Copyright 2014 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 package org.appspot.apprtc;
 
 import android.app.Activity;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
 import android.os.Bundle;
+import android.preference.ListPreference;
 import android.preference.Preference;
 
+import org.webrtc.Camera2Enumerator;
 import org.webrtc.voiceengine.WebRtcAudioUtils;
 
 /**
  * Settings activity for AppRTC.
  */
 public class SettingsActivity extends Activity
     implements OnSharedPreferenceChangeListener{
   private SettingsFragment settingsFragment;
   private String keyprefVideoCall;
+  private String keyprefCamera2;
   private String keyprefResolution;
   private String keyprefFps;
   private String keyprefCaptureQualitySlider;
   private String keyprefStartVideoBitrateType;
   private String keyprefStartVideoBitrateValue;
   private String keyPrefVideoCodec;
   private String keyprefHwCodec;
   private String keyprefCaptureToTexture;
 
   private String keyprefStartAudioBitrateType;
   private String keyprefStartAudioBitrateValue;
   private String keyPrefAudioCodec;
   private String keyprefNoAudioProcessing;
   private String keyprefAecDump;
   private String keyprefOpenSLES;
   private String keyprefDisableBuiltInAEC;
 
   private String keyPrefRoomServerUrl;
   private String keyPrefDisplayHud;
   private String keyPrefTracing;
 
   @Override
   protected void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
     keyprefVideoCall = getString(R.string.pref_videocall_key);
+    keyprefCamera2 = getString(R.string.pref_camera2_key);
     keyprefResolution = getString(R.string.pref_resolution_key);
     keyprefFps = getString(R.string.pref_fps_key);
     keyprefCaptureQualitySlider = getString(R.string.pref_capturequalityslider_key);
     keyprefStartVideoBitrateType = getString(R.string.pref_startvideobitrate_key);
     keyprefStartVideoBitrateValue = getString(R.string.pref_startvideobitratevalue_key);
     keyPrefVideoCodec = getString(R.string.pref_videocodec_key);
     keyprefHwCodec = getString(R.string.pref_hwcodec_key);
     keyprefCaptureToTexture = getString(R.string.pref_capturetotexture_key);
 
     keyprefStartAudioBitrateType = getString(R.string.pref_startaudiobitrate_key);
@@ skipping 16 matching lines @@
   }
 
   @Override
   protected void onResume() {
     super.onResume();
     // Set summary to be the user-description for the selected value
     SharedPreferences sharedPreferences =
         settingsFragment.getPreferenceScreen().getSharedPreferences();
     sharedPreferences.registerOnSharedPreferenceChangeListener(this);
     updateSummaryB(sharedPreferences, keyprefVideoCall);
+    updateSummaryB(sharedPreferences, keyprefCamera2);
     updateSummary(sharedPreferences, keyprefResolution);
     updateSummary(sharedPreferences, keyprefFps);
     updateSummaryB(sharedPreferences, keyprefCaptureQualitySlider);
     updateSummary(sharedPreferences, keyprefStartVideoBitrateType);
     updateSummaryBitrate(sharedPreferences, keyprefStartVideoBitrateValue);
     setVideoBitrateEnable(sharedPreferences);
     updateSummary(sharedPreferences, keyPrefVideoCodec);
     updateSummaryB(sharedPreferences, keyprefHwCodec);
     updateSummaryB(sharedPreferences, keyprefCaptureToTexture);
 
     updateSummary(sharedPreferences, keyprefStartAudioBitrateType);
     updateSummaryBitrate(sharedPreferences, keyprefStartAudioBitrateValue);
     setAudioBitrateEnable(sharedPreferences);
     updateSummary(sharedPreferences, keyPrefAudioCodec);
     updateSummaryB(sharedPreferences, keyprefNoAudioProcessing);
     updateSummaryB(sharedPreferences, keyprefAecDump);
     updateSummaryB(sharedPreferences, keyprefOpenSLES);
     updateSummaryB(sharedPreferences, keyprefDisableBuiltInAEC);
 
     updateSummary(sharedPreferences, keyPrefRoomServerUrl);
     updateSummaryB(sharedPreferences, keyPrefDisplayHud);
     updateSummaryB(sharedPreferences, keyPrefTracing);
 
+    if (!Camera2Enumerator.isSupported()) {
+      Preference camera2Preference =
+          settingsFragment.findPreference(keyprefCamera2);
+
+      camera2Preference.setSummary(getString(R.string.pref_camera2_not_supported));
+      camera2Preference.setEnabled(false);
+    }
+
     // Disable forcing WebRTC based AEC so it won't affect our value.
     // Otherwise, if it was enabled, isAcousticEchoCancelerSupported would always return false.
     WebRtcAudioUtils.setWebRtcBasedAcousticEchoCanceler(false);
     if (!WebRtcAudioUtils.isAcousticEchoCancelerSupported()) {
       Preference disableBuiltInAECPreference =
           settingsFragment.findPreference(keyprefDisableBuiltInAEC);
 
-
       disableBuiltInAECPreference.setSummary(getString(R.string.pref_built_in_aec_not_available));
       disableBuiltInAECPreference.setEnabled(false);
     }
   }
 
   @Override
   protected void onPause() {
     super.onPause();
     SharedPreferences sharedPreferences =
         settingsFragment.getPreferenceScreen().getSharedPreferences();
     sharedPreferences.unregisterOnSharedPreferenceChangeListener(this);
   }
 
   @Override
   public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
       String key) {
     if (key.equals(keyprefResolution)
         || key.equals(keyprefFps)
         || key.equals(keyprefStartVideoBitrateType)
         || key.equals(keyPrefVideoCodec)
         || key.equals(keyprefStartAudioBitrateType)
         || key.equals(keyPrefAudioCodec)
         || key.equals(keyPrefRoomServerUrl)) {
       updateSummary(sharedPreferences, key);
     } else if (key.equals(keyprefStartVideoBitrateValue)
         || key.equals(keyprefStartAudioBitrateValue)) {
       updateSummaryBitrate(sharedPreferences, key);
     } else if (key.equals(keyprefVideoCall)
+        || key.equals(keyprefCamera2)
         || key.equals(keyPrefTracing)
         || key.equals(keyprefCaptureQualitySlider)
         || key.equals(keyprefHwCodec)
         || key.equals(keyprefCaptureToTexture)
         || key.equals(keyprefNoAudioProcessing)
         || key.equals(keyprefAecDump)
         || key.equals(keyprefOpenSLES)
         || key.equals(keyprefDisableBuiltInAEC)
         || key.equals(keyPrefDisplayHud)) {
       updateSummaryB(sharedPreferences, key);
@@ skipping 44 matching lines @@
     String bitrateTypeDefault = getString(R.string.pref_startaudiobitrate_default);
     String bitrateType = sharedPreferences.getString(
         keyprefStartAudioBitrateType, bitrateTypeDefault);
     if (bitrateType.equals(bitrateTypeDefault)) {
       bitratePreferenceValue.setEnabled(false);
     } else {
       bitratePreferenceValue.setEnabled(true);
     }
   }
 }