用于Activity管理和应用程序退出

;

import android.app.Activity;
import android.content.Context;

import java.util.Stack;

/**
* 应用程序Activity管理类：用于Activity管理和应用程序退出
*/
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);
}
/**
* 结束指定的Activity
*/
public void finishActivity(Activity activity){
if(activity!=null){
activityStack.remove(activity);
activity.finish();
activity=null;
}
}
/**
* 结束所有Activity
*/
public void finishAllActivity(){
for (int i = 0, size = activityStack.size(); i < size; i++){
if (null != activityStack.get(i)){
Activity activity = activityStack.get(i);
if (!activity.isFinishing()) {
activity.finish();
}
}
}
activityStack.clear();
}
/**
* 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) {
}
}
//移除指定的Activity
public void removeActivity(Activity activity){
if(activity!=null){
activityStack.remove(activity);
}
}
}