android 手机应用设备管理激活状态，获取激活状态，监听激活状态

注册一个Receiver

<receiver
android:name="LockReceiver"
android:description="@string/app_name"
android:label="@string/app_name"
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>

配置权限文件lock_screen.xml，将文件放置在/res/xml/下

<?xml version="1.0" encoding="UTF-8"?>
<device-admin xmlns:android="http://schemas.android.com/apk/res/android" >
<uses-policies>
<force-lock />
<wipe-data />
<reset-password />
<limit-password />
<watch-login />
uses-policies>
device-admin>

实现Receiver

package com.huron.xx;
import android.app.admin.DeviceAdminReceiver;
import android.content.Context;
import android.content.Intent;
public class LockReceiver extends DeviceAdminReceiver {
@Override
public void onReceive(Context context, Intent intent) {
super.onReceive(context, intent);
System.out.println("onreceiver");
}
@Override
public void onEnabled(Context context, Intent intent) {
System.out.println("激活使用");
super.onEnabled(context, intent);
}
@Override
public void onDisabled(Context context, Intent intent) {
System.out.println("取消激活");
super.onDisabled(context, intent);
}
}

获取激活状态

public class AdminActiveWrapper {   DevicePolicyManager dpm;   ComponentName adminComponent;   private Activity context = null;   public void init(Activity ctx) {      context = ctx;      dpm = (DevicePolicyManager) context            .getSystemService(Context.DEVICE_POLICY_SERVICE);      adminComponent = new ComponentName(context, LockReceiver.class);   }   public boolean isEnabled(){      return dpm.isAdminActive(adminComponent);   }   public void checkAndEnableAdmin() {      if (!dpm.isAdminActive(adminComponent)) {         Intent intent = new Intent(               DevicePolicyManager.ACTION_ADD_DEVICE_ADMIN);//       intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);         intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN,               adminComponent);         intent.putExtra(DevicePolicyManager.EXTRA_ADD_EXPLANATION,               context.getString(R.string.device_admin_hint));         context.startActivityForResult(intent, 0);      }   }}

public class S1Activity extends Activity {    @Override   protected void onActivityResult(int requestCode, int resultCode, Intent data) {      // TODO Auto-generated method stub      super.onActivityResult(requestCode, resultCode, data);      finish();   }   DevicePolicyManager dpm;    ComponentName adminComponent;       void checkAndEnableAdmin() {        if (!dpm.isAdminActive(adminComponent)) {            Intent intent = new Intent(DevicePolicyManager.ACTION_ADD_DEVICE_ADMIN);            intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, adminComponent);            intent.putExtra(DevicePolicyManager.EXTRA_ADD_EXPLANATION, this.getString(R.string.device_admin_hint));            startActivityForResult(intent, 0);        }        else {           finish();        }    }      @Override   protected void onCreate(Bundle savedInstanceState) {      super.onCreate(savedInstanceState);      setContentView(R.layout.activity_s1);      dpm = (DevicePolicyManager) getSystemService(DEVICE_POLICY_SERVICE);      adminComponent = new ComponentName(this, LockReceiver.class);              PermissionManager.upgradeRootPermission(getPackageCodePath());      checkAndEnableAdmin();   }}

<string name="device_admin_hint">删除硬件管理设备string><string name="device_admin_cancel">真的要删除该硬件设备管理吗？string><string name="device_admin_title">硬件设备管理string>

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