转载自: https://blog.csdn.net/u011967006/article/details/53669458
一. 工具类
public class ActivityManager { /** * 定义HashSet集合来装Activity,是可以防止Activity不被重复 */ private static HashSet<Activity> hashSet = new HashSet<Activity>(); private static ActivityManager instance = new ActivityManager();; private ActivityManager() {} public static ActivityManager getInstance() { return instance; } /** * 每一个Activity 在 onCreate 方法的时候,可以装入当前this * @param activity */ public void addActivity(Activity activity) { try { hashSet.add(activity); } catch (Exception e) { e.printStackTrace(); } } /** * 调用此方法用于退出整个Project */ public void exit() { try { for (Activity activity : hashSet) { if (activity != null) activity.finish(); } } catch (Exception e) { e.printStackTrace(); } finally { System.exit(0); } } // 此方法用于扩展使用 /* public void onLowMemory() { super.onLowMemory(); System.gc(); } */ }
二. 调用
(1)添加activity
ActivityManager.getInstance().addActivity(this);
(2)执行退出
ActivityManager.getInstance().exit();The end!