RemoteViews使用setImageResource出错

最新推荐文章于 2022-10-20 15:59:19 发布

谷妹

最新推荐文章于 2022-10-20 15:59:19 发布

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分类专栏： Android 常见Bug解决文章标签： Android RemoteView appcompat

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本文解析了使用android.support.v7.widget.AppCompatImageView时遇到的RemoteViews$ActionException错误，并提供了有效的解决方案。问题出现在23.1.0版本的AppCompat支持库中，因缺少@RemotableViewMethod注解导致。

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错误提示：

android.widget.RemoteViews$ActionException:
view: android.support.v7.widget.AppCompatImageView can’t use method with RemoteViews: setImageResource(int)

解决方法：

setting the appcompat version to ‘com.android.support:appcompat-v7:23.0.1’ or lower makes the error go away.

原因：

Issue:
android.support.v7.widget.AppCompatImageView introduced in version 23.1.0 of appcompat-v7 support library is missing the annotation:
@android.view.RemotableViewMethod for the following
methods:setImageResource(int)、setBackgroundResource(int)
Hence breaking RemoveViews#apply(Context, ViewGroup) when the remote view contains an ImageView and either of the above mentioned methods are called.

Details:
ImageView#setImageResource(int) and View#setBackgroundResource(int) are both annotated with @RemotableViewMethod annotation so it works with the RemoveViews API.

However since the @RemotableViewMethod annotation is not itself annotated as @Inherited, subclasses of ImageView and View classes when they override the 2 methods mentioned earlier (what AppCompatImageView did), the check for the RemotableViewMethod annotation in RemoveViews#getMethod(View, String, Class) fails for annotation not present.