android 耳机判断短按、长按

来源：互联网发布：安易数据恢复软件破解编辑：程序博客网时间：2024/06/10 08:30

package com.example.headlistenertest;

import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.util.Log;
import android.view.KeyEvent;

public class MainActivity extends Activity {

   private final String TAG = "HeadListener";
   private boolean longPressed = false;

   @Override
   protected void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.activity_main);
   }

   @Override
   protected void onResume() {
       // 注册监听
       Log.i(TAG, "onresume");
       Log.i(TAG, "注册监听");
       IntentFilter intentFilter = new IntentFilter();
       intentFilter.addAction(Intent.ACTION_HEADSET_PLUG);
       registerReceiver(headSetReceiver, intentFilter);
       super.onResume();
   }

   @Override
   protected void onPause() {
       Log.i(TAG, "onPause");
       Log.i(TAG, "取消监听");
       // 取消监听
       unregisterReceiver(headSetReceiver);
       super.onPause();
   }

   private final BroadcastReceiver headSetReceiver = new BroadcastReceiver() {

       @Override
       public void onReceive(Context arg0, Intent arg1) {
           String action = arg1.getAction();
           if (action.equals(Intent.ACTION_HEADSET_PLUG)) {
               if (arg1.getIntExtra("state", 0) == 1) {
                   Log.i(TAG, "耳机插入");
                   // do something

               } else {
                   Log.i(TAG, "耳机没有插入");
               }
           }
       }
   };

   public boolean onKeyDown(int keyCode, android.view.KeyEvent event) {
       if (KeyEvent.KEYCODE_HEADSETHOOK == keyCode) {
//           Log.i(TAG, "按下了耳机");
           if (event.getRepeatCount() == 0) {
//                   Log.i(TAG, "短按");
               longPressed = false;
           } else {
                   //Log.i(TAG, "长按");
                   longPressed = true;
           }
           // 这里不需要执行父类的点击事件，所以直接return
           return true;
       }
       // 继续执行父类的其他点击事件
       return super.onKeyDown(keyCode, event);
   };

   @Override
   public boolean onKeyUp(int keyCode, KeyEvent event) {
       if (KeyEvent.KEYCODE_HEADSETHOOK == keyCode) {
           Log.i(TAG, "音量键 up");
           Log.i(TAG, "longPressed :"+longPressed);
           if(longPressed){
               Log.i(TAG, "长按");
           }else {
               Log.i(TAG, "短按");
           }
           return true;
       }
       return super.onKeyUp(keyCode, event);
   }
}

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