java.lang.IllegalStateException: ActionBarContextView can only be used with android:layout_width="_java.lang.illegalstateexception: actionbarview can-优快云博客

本文描述了在Android 3.1系统上使用自定义主题的对话框时遇到的崩溃问题，当用户在对话框内的EditText中双击文字时会触发此问题。文章提供了复现步骤及修改建议。

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- Steps to reproduce the problem (including sample code if appropriate).
Implement a Dialog(Maybe an Activity also has this issue. But I have not tested it.) using a customized theme which does not extends any of a Android basic theme. Such as:
    <style name="MyDialogTheme">
        <item name="android:windowBackground">@android:color/transparent</item>
        <item name="android:windowNoTitle">true</item>
        <item name="android:windowIsFloating">true</item>
        <item name="android:windowContentOverlay">@null</item>
        <item name="android:windowAnimationStyle">@android:style/Animation.Dialog</item>
        <item name="android:windowIsTranslucent">true</item>
        <item name="android:windowFrame">@null</item>
        <item name="android:backgroundDimEnabled">false</item>
	</style>

Also add a EditText into the dialog layout.
Run the dialog on a Tablet(I used Galaxy Tab 10.1 with Android OS 3.1). Type some words into the EditText. Then double click the typed words.

- What happened.
Crashed with this exception message:
 java.lang.IllegalStateException: ActionBarContextView can only be used with android:layout_width="match_parent" (or fill_parent)  at com.android.internal.widget.ActionBarContextView.onMeasure(ActionBarContextView.java:257)  at android.view.View.measure(View.java:10840)  at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4351)  at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1284)  at android.widget.LinearLayout.measureVertical(LinearLayout.java:613)  at android.widget.LinearLayout.onMeasure(LinearLayout.java:519)  at android.view.View.measure(View.java:10840)  at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4351)  at android.widget.FrameLayout.onMeasure(FrameLayout.java:267)  at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2042)  at android.view.View.measure(View.java:10840)  at android.view.ViewRoot.performTraversals(ViewRoot.java:884)  at android.view.ViewRoot.handleMessage(ViewRoot.java:2017)  at android.os.Handler.dispatchMessage(Handler.java:99)  at android.os.Looper.loop(Looper.java:132)  at android.app.ActivityThread.main(ActivityThread.java:4028)  at java.lang.reflect.Method.invokeNative(Native Method)  at java.lang.reflect.Method.invoke(Method.java:491)  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:844)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:602)  at dalvik.system.NativeStart.main(Native Method)

- What you think the correct behavior should be.
It should not crash and show OS selection UI to allow user to select words.
It works before OS 3.0. So it is a backward compatibility issue.
If it really need to throw a exception, at least we should get some information about why it happened more clearly.

Comment 1 by mr.polar...@gmail.com, Aug 3, 2011

If I modify the style as below. It will not crash.
<style name="MyDialogTheme" parent="@android:style/Theme.Dialog">
        <item name="android:windowBackground">@android:color/transparent</item>
        <item name="android:windowNoTitle">true</item>
        <item name="android:windowIsFloating">true</item>
        <item name="android:windowContentOverlay">@null</item>
        <item name="android:windowAnimationStyle">@android:style/Animation.Dialog</item>
        <item name="android:windowIsTranslucent">true</item>
        <item name="android:windowFrame">@null</item>
        <item name="android:backgroundDimEnabled">false</item>
</style>