android 定时熄屏

安卓机实现 一段时间无操作自动熄屏

具体功能已实现，主要代码如下，欢迎留言分享~~~

1.UI show_screen_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/id_set_layout"
    android:background="@color/bg_test"
    android:orientation="vertical">
    <include layout="@layout/status_bar"/>
    <include layout="@layout/title_bar" />

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_marginTop="10dp"
            android:orientation="vertical">
            <RelativeLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="10dp">

                <RadioGroup
                    android:id="@+id/radiogroup1"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:orientation="vertical"
                    android:layout_x="3px"
                    >

                        <!--无操作10分钟后休眠.-->
                        <RadioButton
                            android:id="@+id/id_screen_rest_box"
                            android:layout_width="match_parent"
                            android:layout_height="60dp"
                            android:layout_alignParentRight="true"
                            android:layout_centerVertical="true"
                            android:layout_marginRight="10dp"
                            android:background="@color/white"
                            android:text="@string/auto_rest_str"
                            android:textSize="23sp"
                             />

                        <!--永不休眠.-->
                        <RadioButton
                            android:id="@+id/id_no_sleep_box"
                            android:layout_width="match_parent"
                            android:layout_height="60dp"
                            android:background="@color/white"
                            android:layout_alignParentRight="true"
                            android:layout_centerVertical="true"
                            android:layout_marginRight="10dp"
                            android:text="@string/no_sleep_str"
                            android:textSize="23sp"
                            />

                 </RadioGroup>
            </RelativeLayout>
         </LinearLayout>
    </ScrollView>
</LinearLayout>

2.AndroidManifest.xml 添加广播
设备管理器勾选app,激活

  <!-- 设备管理 -->
        <receiver android:name=".receiver.AdminReceiver"
            android:permission="android.permission.BIND_DEVICE_ADMIN">
            <meta-data android:name="android.app.device_admin"
                android:resource="@xml/lock_screen" />
            <intent-filter>
                <action
                    android:name="android.app.action.DEVICE_ADMIN_ENABLED" />
            </intent-filter>
        </receiver>

 <uses-permission android:name="android.permission.WAKE_LOCK"/>

3. AdminReceiver

public class AdminReceiver extends DeviceAdminReceiver {
    @Override
    public DevicePolicyManager getManager(Context context) {
        return super.getManager(context);
    }
    @Override
    public ComponentName getWho(Context context) {
        return super.getWho(context);
    }

    /**
     * 禁用
     */
    @Override
    public void onDisabled(Context context, Intent intent) {
      //  Toast.makeText(context, "禁用设备管理", Toast.LENGTH_SHORT).show();
        super.onDisabled(context, intent);
    }
    @Override
    public CharSequence onDisableRequested(Context context, Intent intent) {
        return super.onDisableRequested(context, intent);
    }

    /**
     * 激活
     */
    @Override
    public void onEnabled(Context context, Intent intent) {
      //  Toast.makeText(context, "启动设备管理", Toast.LENGTH_SHORT).show();
        super.onEnabled(context, intent);
    }
    @Override
    public void onPasswordChanged(Context context, Intent intent) {
        super.onPasswordChanged(context, intent);
    }
    @Override
    public void onPasswordFailed(Context context, Intent intent) {
        super.onPasswordFailed(context, intent);
    }
    @Override
    public void onPasswordSucceeded(Context context, Intent intent) {
        super.onPasswordSucceeded(context, intent);
    }
    @Override
    public void onReceive(Context context, Intent intent) {
        super.onReceive(context, intent);
    }
    @Override
    public IBinder peekService(Context myContext, Intent service) {
        return super.peekService(myContext, service);
    }

}

4.动态注册监控屏幕的广播，可以在onCreate（）里添加

设备管理服务定义

  private DevicePolicyManager policyManager;
    private ComponentName componentName;


    public DevicePolicyManager getDevicePolicyManager() {
        return policyManager;
    }
    public ComponentName getComponentName() {
        return componentName;
    }

       //获取设备管理服务 
        policyManager = (DevicePolicyManager) getSystemService(Context.DEVICE_POLICY_SERVICE);
        //AdminReceiver 继承自 DeviceAdminReceiver
        componentName = new ComponentName(this,AdminReceiver.class);
 	
 	   //动态注册监控屏幕的广播
    	IntentFilter mintentFilter = new IntentFilter();
        mintentFilter.addAction("android.intent.action.SCREEN_ON");
        mintentFilter.addAction("android.intent.action.SCREEN_OFF");
        ScreenReceiver mscreenReceiver = new ScreenReceiver();
        registerReceiver(mscreenReceiver,mintentFilter);

5.ScreenReceiver 熄屏亮屏监控

public class ScreenReceiver extends BroadcastReceiver {
    @Override
    public void onReceive(Context context, Intent intent) {

        if (intent.getAction().equals("android.intent.action.SCREEN_ON")) { //亮屏
            if(MyApp.getInstance().isScreen()){
                MyApp.getInstance().startAD();//计时
            }
        }
        if (intent.getAction().equals("android.intent.action.SCREEN_OFF")) { // 熄屏
            if(MyApp.getInstance().isScreen()){
                MyApp.getInstance().handler1.removeCallbacks(MyApp.getInstance().runnable1);//取消计时
            }
        }
    }

6.操作计时

//重写onTouch 方法
public class myOnTouchListener implements View.OnTouchListener {
    @Override
    public boolean onTouch(View v, MotionEvent event){
        switch (event.getAction()) {
            case MotionEvent.ACTION_DOWN:
               // 触摸
                if(MyApp.getInstance().isScreen()){
                       MyApp.getInstance().handler1.removeCallbacks(MyApp.getInstance().runnable1);//取消计时
                }

                break;
            case MotionEvent.ACTION_UP:
              // 抬起
                if(MyApp.getInstance().isScreen()){
                    MyApp.getInstance().startAD();
                }

                break;
        }
        return true;
    }
}

7. 
   public Handler handler1 = new Handler();
   private long time1=1000*60*10;//10分钟
 public void startAD() {
        handler1.removeCallbacks(runnable1);
        handler1.postDelayed(runnable1, time1);
    }

    public Runnable runnable1 = new Runnable() {
        @Override
        public void run() {
            //   Log.d("MainActivity", "~~10分钟后无操作就熄屏~~");
            lock();
        }
    };

8.可手动激活设备管理器权限   设置--安全--勾选app--激活

    private void   lock() {
        boolean active = 	MyApp.getInstance().getDevicePolicyManager().isAdminActive(MyApp.getInstance().getComponentName());
        if (!active) { // 若无权限
            Log.d("lock", "~~没有权限~~");
            //  activeManage(); // 去获得权限
            MyApp.getInstance().getDevicePolicyManager().lockNow(); // 并锁屏
        } else {
            Log.d("lock", "~~已经有权限~~");
            MyApp.getInstance().getDevicePolicyManager().lockNow(); // 直接锁屏
        }
    }

9.调用

public void wifiClick() {
        if(MyApp.getInstance().isScreen()){
            MyApp.getInstance().handler1.removeCallbacks(MyApp.getInstance().runnable1);//取消计时
            MyApp.getInstance().startAD();//计时
        }
        Intent intent = new Intent(Settings.ACTION_WIFI_SETTINGS);
        startActivity(intent);
    }

本文地址：https://blog.csdn.net/weixin_46052306/article/details/107157062