activity堆栈式管理
package com.chinaCEB.cebActivity.utils;
import java.util.Stack;
import android.app.Activity;
import android.content.Context;
/**
* activity堆栈式管理
*
* @author FireAnt(http://my.oschina.net/LittleDY)
* @created 2014年10月30日 下午6:22:05
*
*/
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 && !activity.isFinishing()) {
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);
break;
}
}
}
/**
* 结束所有Activity
*/
public void finishAllActivity() {
for (int i = 0, size = activityStack.size(); i < size; i++) {
if (null != activityStack.get(i)) {
//finishActivity方法中的activity.isFinishing()方法会导致某些activity无法销毁
//貌似跳转的时候最后一个activity 是finishing状态,所以没有执行
//内部实现不是很清楚,但是实测结果如此,使用下面代码则没有问题
// find by TopJohn
//finishActivity(activityStack.get(i));
activityStack.get(i).finish();
//break;
}
}
activityStack.clear();
}
/**
* 获取指定的Activity
*
* @author kymjs
*/
public static Activity getActivity(Class<?> cls) {
if (activityStack != null)
for (Activity activity : activityStack) {
if (activity.getClass().equals(cls)) {
return activity;
}
}
return null;
}
/**
* 退出应用程序
*/
public void AppExit(Context context) {
try {
finishAllActivity();
// 杀死该应用进程
android.os.Process.killProcess(android.os.Process.myPid());
System.exit(0);
} catch (Exception e) {
}
}
}
堆栈式管理就是好,我想后退,不用sb的finish了。而且更多的方便。
泰山崩于前而色不变的曹新雨,抱歉