自定义Activity堆栈管理类

来源：互联网发布：redshift渲染器mac 编辑：程序博客网时间：2024/05/22 10:36
一个自定义的activity堆栈管理器,更方便管理我们项目里面的activity组件
public class AppManager {    private static Stack<Activity> activityStack;    private static AppManager instance;    private AppManager() {    }    /**     * 单一实例     */    public static AppManager getAppManager() {        if (instance == null) {            instance = new AppManager();        }        return instance;    }    /**     * 添加Activity到堆栈     */    public void addActivity(Activity activity) {        if (activityStack == null) {            activityStack = new Stack<Activity>();        }        activityStack.add(activity);    }    /**     * 获取当前Activity（堆栈中最后一个压入的）     */    public Activity currentActivity() {        Activity activity =   activityStack.lastElement();        return activity;    }    /**     * 结束当前Activity（堆栈中最后一个压入的）     */    public void finishActivity() {        Activity activity = activityStack.lastElement();        finishActivity(activity);    }    /**     * 结束指定的Activity     */    public void finishActivity(Activity activity) {        if (activity != null) {            activityStack.remove(activity);            activity.finish();            activity = null;        }    }    /**     * 结束指定类名的Activity     */    public void finishActivity(Class<?> cls) {        for (Activity activity : activityStack) {            if (activity.getClass().equals(cls)) {                finishActivity(activity);            }        }    }    /**     * 结束所有Activity     */    public void finishAllActivity() {        for (int i = 0, size = activityStack.size(); i < size; i++) {            if (null != activityStack.get(i)) {                activityStack.get(i).finish();            }        }        activityStack.clear();        activityStack=null;    }    /**     * 退出应用程序     */    public void AppExit(Context context) {        try {            finishAllActivity();            ActivityManager activityMgr = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);            activityMgr.restartPackage(context.getPackageName());            System.exit(0);        } catch (Exception e) {            e.printStackTrace();        }    }
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