Android 四大组件之BroadcastReceiver（发送有序无序广播）

无序广播

发送

/**无序广播*/
				Intent intent =new Intent(Broadcast);
				intent.putExtra("msg", "无序广播已发送");
				sendBroadcast(intent);

接收

public String Broadcast="com.sendbroadcast.action.BROADCAST"; //接收广播适配符（有序无序通用）

if(arg1.getAction().equals(Broadcast)){
			String str=getResultExtras(true).getString("msg");
			Toast.makeText(arg0, str, 1000).show();
			Log.e(">>>>>>>>>>>>>oneBroadcast", str);

注册

 
                //适配符
       

有序广播

发送

/**有序广播*/
Intent intent =new Intent(Broadcast);
intent.putExtra("msg", "无序广播已发送");
sendOrderedBroadcast(intent, "com.sendbroadcast.action.MY_BROADCAST");//权限

接收

if(arg1.getAction().equals(Broadcast)){
			String str=getResultExtras(true).getString("msg");
			Toast.makeText(arg0, str, 1000).show();
			Log.e(">>>>>>>>>>>>>oneBroadcast", str);

更改拦截广播

if(arg1.getAction().equals(Broadcast)){
			String str=arg1.getStringExtra("msg");
			Bundle bundle=new Bundle();
			bundle.putString("msg", str+"广播已更改");
			setResultExtras(bundle);//拦截
			
			Toast.makeText(arg0, str, 1000).show();
			Log.e(">>>>>>>>>>>>>twoBroadcast", str);
		}

注册

 
       
            
            //有序广播根据优先级大小（-1000到1000）为顺序接收广播