/*
** @param packageName 将要去启动第三方app的package
*/
private void runAppByPackage(@NonNull String packageName) {
  PackageInfo packageInfo = null;
  PackageManager packageManager=getPackageManager();//获取PackageManager对象
  try {
    packageInfo = packageManager.getPackageInfo(packageName, 0);//通过包名获取PackInfo
  } catch (PackageManager.NameNotFoundException e) {
    e.printStackTrace();
  }

  Intent resolveIntent = new Intent(Intent.ACTION_MAIN, null);
  resolveIntent.addCategory(Intent.CATEGORY_LAUNCHER);
  resolveIntent.setPackage(packageInfo.packageName);

  List<ResolveInfo> apps = packageManager.queryIntentActivities(resolveIntent, 0);

  ResolveInfo resolveInfo = apps.iterator().next();
  if (resolveInfo != null ) {
    String pkgeName = resolveInfo.activityInfo.packageName;
    String className = resolveInfo.activityInfo.name;

    Intent intent = new Intent(Intent.ACTION_MAIN);
    intent.addCategory(Intent.CATEGORY_LAUNCHER);

    ComponentName cn = new ComponentName(pkgeName, className);

    intent.setComponent(cn);
    startActivity(intent);
  }
  }

private void startLenovePlan(){
  ComponentName componetName = new ComponentName( 
     "com.lenovo.ue.service",
"com.lenovo.ue.service.LenovoUEServiceActivity"); 
   try { 
     Intent intent = new Intent(); 
     intent.setComponent(componetName); 
     startActivity(intent); 
   } catch (Exception e) { 

   } 
   }

Intent intent = new Intent("android.intent.action.CART_BROADCAST_SILENT");
mContext.sendBroadcast(intent);

private static String BROADCAST_FILTER="android.intent.action.CART_BROADCAST_SILENT";
private AudioManager mAudioManager=(AudioManager) (getActivity().getApplicationContext().getSystemService(Context.AUDIO_SERVICE));
private BroadcastReceiver zenmodeReceiver = new BroadcastReceiver() {
  //定义接收广播接收器
  @Override
  public void onReceive(Context contex, Intent intent) {
    String action = intent.getAction();
    PreferenceScreen sound = (PreferenceScreen) findPreference("hq_ringtone_volume_settings");
    if (action.equals(BROADCAST_FILTER)) {
      int ringMode = mAudioManager.getRingerMode();
      if (ringMode == AudioManager.RINGER_MODE_SILENT) {
        if (findPreference(KEY_RING_VOLUME) != null && findPreference(KEY_NOTIFICATION_VOLUME) != null) {
          ((VolumeSeekBarPreference) findPreference(KEY_RING_VOLUME)).setSeekBarStatus(false, 0);
        }
      } else {
        if (findPreference(KEY_RING_VOLUME) != null && findPreference(KEY_NOTIFICATION_VOLUME) != null) {
          findPreference(KEY_RING_VOLUME).setEnabled(false);
        }
      }
    }
  }
  };

@Override
public void onCreate(Bundle icicle) {
 super.onCreate(icicle);
 addPreferencesFromResource(R.xml.hq_volume_fragment_prefs);
 initVolume(getPreferenceScreen());
 IntentFilter intent = new IntentFilter();
 intent.addAction(BROADCAST_FILTER);
 getActivity().getApplicationContext().registerReceiver(zenmodeReceiver,intent);//   注册广播接收器
}

 unregisterReceiver(receiver);