sd卡监听的问题

http://www.cnblogs.com/error404/archive/2011/09/08/2170998.html

 

		IntentFilter intentFilter = new IntentFilter();
//		intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED);        
//		intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED);        
//		intentFilter.addAction(Intent.ACTION_MEDIA_REMOVED);        
		intentFilter.addAction(Intent.ACTION_MEDIA_UNMOUNTED);        
//		intentFilter.addAction(Intent.ACTION_MEDIA_BAD_REMOVAL);        
		intentFilter.addDataScheme("file");
		receiver = new SDcardLinsenerReceiver();
		registerReceiver(receiver, intentFilter);

 

private long preTime = 0;
 
	public class SdcardBroadCastReceiver extends BroadcastReceiver {
		
		@Override
		public void onReceive(Context context, Intent intent) {
			try {
				String action = intent.getAction();
				Lod("test","_____action__" + action);
				long curTime = System.currentTimeMillis();
				
				if((curTime - preTime) < 3000 && preTime != 0){
					TGLog.d("________"+ (curTime - preTime));
					preTime = System.currentTimeMillis();
					return ;
				}
				TGLog.d("________N_"+ (curTime - preTime));
				preTime = System.currentTimeMillis();
				
				Thread.sleep(2000);
				
				if (action.equals(Intent.ACTION_MEDIA_UNMOUNTED)) {
						//执行				}
			
			} catch (Exception e) {
				e.printStackTrace();
			}
			
		}
	}