+
+ public static void setVolumeControlForPlatform(Activity context){
+ if (isVolumeAdjustable()){
+ context.setVolumeControlStream(AudioManager.STREAM_ALARM);
+ }else{
+ //Use default stream type,the default type use a fixed volume
+ context.setVolumeControlStream(AudioManager.USE_DEFAULT_STREAM_TYPE);
+ }
+ }
+ public static boolean isVolumeAdjustable(){
+ return volumeAdjustable;
+ }