/**	 * 激活设备管理器	 * 	 * @param context	 *            上下文对象	 */	public static void activeApp(Context context) {		if (context instanceof Activity) {			activeApplication(context);		} else {			Intent in = new Intent(context, StartDeviceManagerActivity.class);			in.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);			context.startActivity(in);		}	}

	/**	 * 激活设备管理器	 * 	 * @param context	 *            上下文对象	 */	private static void activeApplication(Context context) {		DevicePolicyManager dpm = (DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE);		ComponentName cm = new ComponentName(context, MyDeviceAdminReceiver.class);		if (!dpm.isAdminActive(cm)) {			Intent in = new Intent(DevicePolicyManager.ACTION_ADD_DEVICE_ADMIN);			in.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, cm);			in.putExtra(DevicePolicyManager.EXTRA_ADD_EXPLANATION, context.getPackageName());			context.startActivity(in);		}	}

StartDeviceManagerActivity：

package com.home.util;import android.app.Activity;import android.os.Bundle;public class StartDeviceManagerActivity extends Activity {	@Override	protected void onCreate(Bundle savedInstanceState) {		super.onCreate(savedInstanceState);		ApplicationUtil.activeApp(this);		finish();	}}

配置：

 <!-- 激活需要传入的广播 -->        <receiver            android:name="com.home.util.MyDeviceAdminReceiver"            android:permission="android.permission.BIND_DEVICE_ADMIN" >            <meta-data                android:name="android.app.device_admin"                android:resource="@xml/device_admin" />            <intent-filter>                <action android:name="android.app.action.DEVICE_ADMIN_ENABLED" />            </intent-filter>        </receiver>        <!-- 启动激活的页面 -->        <activity            android:name="com.home.util.StartDeviceManagerActivity"            android:theme="@style/TransparentActivity" />

device_admin.xml：

<device-admin xmlns:android="http://schemas.android.com/apk/res/android">    <uses-policies>        <wipe-data />     </uses-policies></device-admin>

启动设备管理器