package com.callbin.domo;import java.util.ArrayList;import android.app.Activity;import android.app.Application;public class CallbinApplication extends Application {    public static CallbinApplication instance;// 实例化一个app合    public static String sessionkey=null;    public static String sessionid=null;    public static Integer accountNum=null;    /**     * 打开Activity的记录     */    private ArrayList
     
       activitylist;    @Override    public void onCreate() {        // TODO Auto-generated method stub        instance = this;        activitylist = new ArrayList
      
       ();        super.onCreate();    }    // 退出处理    @Override    public void onTerminate() {        // TODO Auto-generated method stub        for (Activity activity : activitylist) {            activity.finish();        }        super.onTerminate();    }    /**     * 获取一个Application实例     *      * @return 返回一个application实例     */    public static CallbinApplication getCallbinApplication() {        return instance;    }    /**     * 添加一个activity     *      * @param activity     */    public static void addActivity(Activity activity) {        instance.activitylist.add(activity);    }    /**     * 从列表中删除一个Activity     */    public static void deleteActivity(Activity activity) {        instance.activitylist.remove(activity);    }}
      
     

应用程序开始

 <application

        android:name=".CallbinApplication"

        android:icon="@drawable/mt_ic"

        android:label="@string/app_name"

        android:theme="@android:style/Theme.NoTitleBar" >

        <activity

            android:name=".activity.LoginActivity"

            android:screenOrientation="portrait" >

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

</application>