<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android"     package="com.hzhi.restart"     android:versionCode="1"     android:versionName="1.0"     android:installLocation="preferExternal"     android:sharedUserId="android.uid.system">     <uses-sdk         android:minSdkVersion="8"         android:targetSdkVersion="17" />     <application         android:allowBackup="true"         android:icon="@drawable/ic_launcher"         android:label="@string/app_name"         android:theme="@style/AppTheme" >         <activity             android:name="com.hzhi.restart.MainActivity"             android:label="@string/app_name" >             <intent-filter>                 <action android:name="android.intent.action.MAIN" />                 <category android:name="android.intent.category.LAUNCHER" />             </intent-filter>         </activity>     </application> </manifest>

package com.hzhi.restart; import android.os.Bundle; import android.app.Activity; import android.content.Intent; import android.view.Menu; import android.view.View; public class MainActivity extends Activity {     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);     }     @Override     public boolean onCreateOptionsMenu(Menu menu) {         // Inflate the menu; this adds items to the action bar if it is present.         getMenuInflater().inflate(R.menu.main, menu);         return true;     }     public void click(View view){         Intent intent = new Intent();         intent.setAction(Intent.ACTION_REBOOT);         intent.putExtra("nowait", 1);         intent.putExtra("interval", 1);         intent.putExtra("startTime", 1);         intent.putExtra("window", 0);         sendBroadcast(intent);     } }