Android 监听锁屏、解锁、开屏 操作
2017-05-16 14:44
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1、首先定义 ScreenListener
2、使用
package com.app.lib; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.os.PowerManager; /** * Created by ${zyj} on 2016/6/21. */ public class ScreenListener { private Context mContext; private ScreenBroadcastReceiver mScreenReceiver; private ScreenStateListener mScreenStateListener; public ScreenListener(Context context) { mContext = context; mScreenReceiver = new ScreenBroadcastReceiver(); } /** * screen状态广播接收者 */ private class ScreenBroadcastReceiver extends BroadcastReceiver { private String action = null; @Override public void onReceive(Context context, Intent intent) { action = intent.getAction(); if (Intent.ACTION_SCREEN_ON.equals(action)) { // 开屏 mScreenStateListener.onScreenOn(); } else if (Intent.ACTION_SCREEN_OFF.equals(action)) { // 锁屏 mScreenStateListener.onScreenOff(); } else if (Intent.ACTION_USER_PRESENT.equals(action)) { // 解锁 mScreenStateListener.onUserPresent(); } } } /** * 开始监听screen状态 * * @param listener */ public void begin(ScreenStateListener listener) { mScreenStateListener = listener; registerListener(); getScreenState(); } /** * 获取screen状态 */ private void getScreenState() { PowerManager manager = (PowerManager) mContext .getSystemService(Context.POWER_SERVICE); if (manager.isScreenOn()) { if (mScreenStateListener != null) { mScreenStateListener.onScreenOn(); } } else { if (mScreenStateListener != null) { mScreenStateListener.onScreenOff(); } } } /** * 停止screen状态监听 */ public void unregisterListener() { mContext.unregisterReceiver(mScreenReceiver); } /** * 启动screen状态广播接收器 */ private void registerListener() { IntentFilter filter = new IntentFilter(); filter.addAction(Intent.ACTION_SCREEN_ON); filter.addAction(Intent.ACTION_SCREEN_OFF); filter.addAction(Intent.ACTION_USER_PRESENT); mContext.registerReceiver(mScreenReceiver, filter); } public interface ScreenStateListener {// 返回给调用者屏幕状态信息 public void onScreenOn(); public void onScreenOff(); public void onUserPresent(); } }
2、使用
package com.app.lib; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.Toast; public class MainActivity extends AppCompatActivity { private ScreenListener screenListener ; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); screenListener = new ScreenListener( MainActivity.this ) ; screenListener.begin(new ScreenListener.ScreenStateListener() { @Override public void onScreenOn() { Toast.makeText( MainActivity.this , "屏幕打开了" , Toast.LENGTH_SHORT ).show(); } @Override public void onScreenOff() { Toast.makeText( MainActivity.this , "屏幕关闭了" , Toast.LENGTH_SHORT ).show(); } @Override public void onUserPresent() { Toast.makeText( MainActivity.this , "解锁了" , Toast.LENGTH_SHORT ).show(); } }); } }
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