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Activity has leaked window that was originally added
阅读量:794 次
发布时间:2019-03-25

本文共 3495 字,大约阅读时间需要 11 分钟。

在编写Android程序的时候,遇到一个隐藏性问题。仔细查看LogCat,错误信息如下:

10-31 13:03:34.549: ERROR/WindowManager(444): Activity com.iqiwu.android.NoticeActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@437d1570 that was originally added here

10-31 13:03:34.549: ERROR/WindowManager(444): android.view.WindowLeaked: Activity com.iqiwu.android.NoticeActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@437d1570 that was originally added here
10-31 13:03:34.549: ERROR/WindowManager(444): at android.view.ViewRoot.<init>(ViewRoot.java:214)
10-31 13:03:34.549: ERROR/WindowManager(444): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:148)
10-31 13:03:34.549: ERROR/WindowManager(444): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91)
10-31 13:03:34.549: ERROR/WindowManager(444): at android.view.Window$LocalWindowManager.addView(Window.java:409)
10-31 13:03:34.549: ERROR/WindowManager(444): at android.app.Dialog.show(Dialog.java:238)
10-31 13:03:34.549: ERROR/WindowManager(444): at android.app.AlertDialog$Builder.show AlertDialog.java:802
10-31 13:03:34.549: ERROR/WindowManager(444): at com.iqiwu.android.NoticeActivity.setAlarmNotice(NoticeActivity.java:139)
10-31 13:03:34.549: ERROR/WindowManager(444): at com.iqiwu.android.NoticeActivity.onCreate(NoticeActivity.java:68)
10-31 13:03:34.549: ERROR/WindowManager(444): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1123)

从错误提示中可以看出,错误产生过程如下:NoticeActivity.onCreate -> NoticeActivity.setAlarmNotice -> AlertDialog$Builder.show,于是发现错误,在关闭Activity的时候,未关闭AlertDialog!!!

解决方法:

我们知道,在关闭Activity的时候,Activity会调用自己的onPause函数,只要在这里关闭AlertDialog就可以啦!!!至于怎么关闭,其实很简单,调用AlertDialog.dismiss();就可以了。O(∩_∩)o 哈哈。

在编写Android程序的时候,遇到一个隐藏性问题。仔细查看LogCat,错误信息如下:

10-31 13:03:34.549: ERROR/WindowManager(444): Activity com.iqiwu.android.NoticeActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@437d1570 that was originally added here

10-31 13:03:34.549: ERROR/WindowManager(444): android.view.WindowLeaked: Activity com.iqiwu.android.NoticeActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@437d1570 that was originally added here
10-31 13:03:34.549: ERROR/WindowManager(444): at android.view.ViewRoot.<init>(ViewRoot.java:214)
10-31 13:03:34.549: ERROR/WindowManager(444): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:148)
10-31 13:03:34.549: ERROR/WindowManager(444): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91)
10-31 13:03:34.549: ERROR/WindowManager(444): at android.view.Window$LocalWindowManager.addView(Window.java:409)
10-31 13:03:34.549: ERROR/WindowManager(444): at android.app.Dialog.show(Dialog.java:238)
10-31 13:03:34.549: ERROR/WindowManager(444): at android.app.AlertDialog$Builder.show AlertDialog.java:802
10-31 13:03:34.549: ERROR/WindowManager(444): at com.iqiwu.android.NoticeActivity.setAlarmNotice(NoticeActivity.java:139)
10-31 13:03:34.549: ERROR/WindowManager(444): at com.iqiwu.android.NoticeActivity.onCreate(NoticeActivity.java:68)
10-31 13:03:34.549: ERROR/WindowManager(444): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1123)

从错误提示中可以看出,错误产生过程如下:NoticeActivity.onCreate -> NoticeActivity.setAlarmNotice -> AlertDialog$Builder.show,于是发现错误,在关闭Activity的时候,未关闭AlertDialog!!!

解决方法:

我们知道,在关闭Activity的时候,Activity会调用自己的onPause函数,只要在这里关闭AlertDialog就可以啦!!!至于怎么关闭,其实很简单,调用AlertDialog.dismiss();就可以了。O(∩_∩)o 哈哈。

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