Android AppRTCDemo: Add slider for changing camera capture quality during call

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.Preference;
 
 /**
  * Settings activity for AppRTC.
  */
 public class SettingsActivity extends Activity
     implements OnSharedPreferenceChangeListener{
   private SettingsFragment settingsFragment;
   private String keyprefVideoCall;
   private String keyprefResolution;
   private String keyprefFps;
+  private String keyprefCaptureQualitySlider;
   private String keyprefStartVideoBitrateType;
   private String keyprefStartVideoBitrateValue;
   private String keyPrefVideoCodec;
   private String keyprefHwCodec;
 
   private String keyprefStartAudioBitrateType;
   private String keyprefStartAudioBitrateValue;
   private String keyPrefAudioCodec;
   private String keyprefNoAudioProcessing;
 
   private String keyprefCpuUsageDetection;
   private String keyPrefRoomServerUrl;
   private String keyPrefDisplayHud;
 
   @Override
   protected void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
     keyprefVideoCall = getString(R.string.pref_videocall_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);
 
     keyprefStartAudioBitrateType = getString(R.string.pref_startaudiobitrate_key);
     keyprefStartAudioBitrateValue = getString(R.string.pref_startaudiobitratevalue_key);
     keyPrefAudioCodec = getString(R.string.pref_audiocodec_key);
     keyprefNoAudioProcessing = getString(R.string.pref_noaudioprocessing_key);
 
@@ skipping 11 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);
     updateSummary(sharedPreferences, keyprefResolution);
     updateSummary(sharedPreferences, keyprefFps);
+    updateSummaryB(sharedPreferences, keyprefCaptureQualitySlider);
     updateSummary(sharedPreferences, keyprefStartVideoBitrateType);
     updateSummaryBitrate(sharedPreferences, keyprefStartVideoBitrateValue);
     setVideoBitrateEnable(sharedPreferences);
     updateSummary(sharedPreferences, keyPrefVideoCodec);
     updateSummaryB(sharedPreferences, keyprefHwCodec);
 
     updateSummary(sharedPreferences, keyprefStartAudioBitrateType);
     updateSummaryBitrate(sharedPreferences, keyprefStartAudioBitrateValue);
     setAudioBitrateEnable(sharedPreferences);
     updateSummary(sharedPreferences, keyPrefAudioCodec);
@@ skipping 20 matching lines @@
         || 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(keyprefCaptureQualitySlider)
         || key.equals(keyprefHwCodec)
         || key.equals(keyprefNoAudioProcessing)
         || key.equals(keyprefCpuUsageDetection)
         || key.equals(keyPrefDisplayHud)) {
       updateSummaryB(sharedPreferences, key);
     }
     if (key.equals(keyprefStartVideoBitrateType)) {
       setVideoBitrateEnable(sharedPreferences);
     }
     if (key.equals(keyprefStartAudioBitrateType)) {
@@ skipping 39 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);
     }
   }
 }