Android 启动暗码打开指令窗口

直接看代码：

AndroidManifest

 <activity android:name="TestingSettings" android:label="@string/testing"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.DEFAULT" /> </intent-filter> </activity> <receiver android:name="TestingSettingsBroadcastReceiver"> <intent-filter> <action android:name="android.provider.Telephony.SECRET_CODE" /> <data android:scheme="android_secret_code" android:host="4636" /> </intent-filter> </receiver>

TestingSettingsBroadcastReceiver.java

package com.android.settings; import android.provider.Telephony; import static android.provider.Telephony.Intents.SECRET_CODE_ACTION; import android.content.Context; import android.content.Intent; import android.content.BroadcastReceiver; import android.util.Config; import android.util.Log; import android.view.KeyEvent; public class TestingSettingsBroadcastReceiver extends BroadcastReceiver { public TestingSettingsBroadcastReceiver() { } @Override public void onReceive(Context context, Intent intent) { if (intent.getAction().equals(SECRET_CODE_ACTION)) { Intent i = new Intent(Intent.ACTION_MAIN); i.setClass(context, TestingSettings.class); i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); context.startActivity(i); } } } 

TestSettings.java

package com.android.settings; import android.os.Bundle; import android.preference.PreferenceActivity; public class TestingSettings extends PreferenceActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); addPreferencesFromResource(R.xml.testing_settings); } }

testing_settings.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2008 The Android Open Source Project

     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
  
          http://www.apache.org/licenses/LICENSE-2.0
  
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->

<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
        android:title="@string/testing" >
            
    <PreferenceScreen
            android:title="@string/testing_phone_info">
        <intent android:action="android.intent.action.MAIN"
                android:targetPackage="com.android.settings"
                android:targetClass="com.android.settings.RadioInfo" />
    </PreferenceScreen>
        
    <PreferenceScreen
            android:title="@string/testing_battery_info">
        <intent android:action="android.intent.action.MAIN"
                android:targetPackage="com.android.settings"
                android:targetClass="com.android.settings.BatteryInfo" />
    </PreferenceScreen>


    <PreferenceScreen
            android:title="@string/testing_usage_stats">
        <intent android:action="android.intent.action.MAIN"
                android:targetPackage="com.android.settings"
                android:targetClass="com.android.settings.UsageStats" />
    </PreferenceScreen>

    <PreferenceScreen
            android:title="@string/testing_wifi_info" >
        <intent
                android:action="android.intent.action.MAIN"
                android:targetPackage="com.android.settings"
                android:targetClass="com.android.settings.wifi.WifiInfo" />
    </PreferenceScreen>

    <!--    
    <PreferenceScreen
            android:title="@string/testing_sim_toolkit">
        <intent android:action="android.intent.action.MAIN"
                android:targetPackage="com.android.stk"
                android:targetClass="com.android.stk.StkSettings" />
    </PreferenceScreen>
    -->

</PreferenceScreen>
        

自己手机试下*#*#4636#*#*