系统级APP锁屏"/>
Android 系统级APP锁屏
权限: <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" /> <uses-permission android:name="android.permission.WAKE_LOCK" /> <uses-permission android:name="android.permission.DEVICE_POWER"/>
代码: DevicePolicyManager devicePolicyManager = (DevicePolicyManager) getSystemService(Context.DEVICE_POLICY_SERVICE); ComponentName adminComponent = new ComponentName(this, WDeviceAdminReceiver.class); if (devicePolicyManager.isAdminActive(adminComponent)) {devicePolicyManager.lockNow(); } else {// 如果设备管理器未激活,请提示用户激活设备管理器Intent intent = new Intent(DevicePolicyManager.ACTION_ADD_DEVICE_ADMIN);intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, adminComponent);intent.putExtra(DevicePolicyManager.EXTRA_ADD_EXPLANATION, "请激活设备管理器以使用锁屏功能");startActivity(intent); }
广播:
public class WDeviceAdminReceiver extends DeviceAdminReceiver { //空的就行 }
<receiverandroid:name=".WDeviceAdminReceiver"android:permission="android.permission.BIND_DEVICE_ADMIN"android:exported="true"><meta-dataandroid:name="android.app.device_admin"android:resource="@xml/device_admin" /><intent-filter><action android:name="android.app.action.DEVICE_ADMIN_ENABLED" /><action android:name="android.app.action.DEVICE_ADMIN_DISABLED" /></intent-filter> </receiver>
res下创建XML文件夹创建device_admin::
<?xml version="1.0" encoding="utf-8"?> <device-admin xmlns:android=""><uses-policies><force-lock /></uses-policies> </device-admin>
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Android 系统级APP锁屏
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