Question

我在动作栏'项目上添加了一个监听器，当我点击它时，我切换到另一个活动。这有效，但当我执行此操作时，我可以注意到我在logcat上收到错误，有人可以解释我发生了什么吗？

我用这个来改变活动：

public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case 2:
            // go to activity2
            Intent intent = new Intent(this, Activity2.class);
            // dispose the current activity while launching the next intent
            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            startActivity(intent);
        default:
            return super.onOptionsItemSelected(item);
        }
    }

我的日志猫显示：

08-16 11:12:58.523: E/WindowManager(6306): Activity  has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@42bc61e8 that was originally added here
08-16 11:12:58.523: E/WindowManager(6306): android.view.WindowLeaked: Activity com.tweetmeetup.logic.main.MainActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@42bc61e8 that was originally added here
08-16 11:12:58.523: E/WindowManager(6306):  at android.view.ViewRootImpl.<init>(ViewRootImpl.java:397)
08-16 11:12:58.523: E/WindowManager(6306):  at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:311)
08-16 11:12:58.523: E/WindowManager(6306):  at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:224)
08-16 11:12:58.523: E/WindowManager(6306):  at android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:149)
08-16 11:12:58.523: E/WindowManager(6306):  at android.view.Window$LocalWindowManager.addView(Window.java:556)

提前感谢。

Answer 1

at android.app.Dialog.show(Dialog.java:277)

您在退出活动后尝试显示对话框。

解决方案是在退出Activity之前在您创建的Dialog上调用dismiss（），例如在onPause（）中。在离开活动之前，应关闭所有窗口和对话框。

试试这个:(根据你的评论）

public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case 2:
            // go to activity2
            Intent intent = new Intent(this, Activity2.class);
            // dispose the current activity while launching the next intent
            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            startActivity(intent);
            break;
        default:
            return super.onOptionsItemSelected(item);
        }
    }

在单击菜单项之间切换活动

1 个答案: