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import java.util.Stack;
import android.app.Activity; import android.app.ActivityManager; import android.content.Context; /** * * @ClassName: com.qust.myutils.AppManager * @Description: Activity管理类：用于管理Activity和退出程序 * */ public class AppManager { // Activity栈 private static Stack<Activity> activityStack; // 单例模式 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; i < activityStack.size(); i++) { if (null != activityStack.get(i)) { activityStack.get(i).finish(); } } activityStack.clear(); } /** * 退出应用程序 */ public void AppExit(Context context) { try { finishAllActivity(); ActivityManager activityMgr = (ActivityManager) context .getSystemService(Context.ACTIVITY_SERVICE); activityMgr.killBackgroundProcesses(context.getPackageName()); System.exit(0); } catch (Exception e) { } } }标签：
原文地址：http://www.cnblogs.com/qwer520/p/5047831.html
