Android Indeterminate进度条没有动画

Question

我希望在活动指示器,活动栏下有一个无限进度条

http://www.google.de/imgres?um=1&hl=de&client=firefox-a&hs=H9I&tbo=d&rls=org.mozilla:de:official&biw=1280&bih=697&tbm=isch&tbnid=AX0X8So5n4iiPM:&imgrefurl=http://developer. android.com/design/building-blocks/progress.html&docid=8Hr06JHpY9T3rM&imgurl=http://developer.android.com/design/media/progress_download.png&w=760&h=348&ei=bDDgULSzELL64QTa74DgBg&zoom=1&iact=rc&dur=318&sig=116802181569187224100&page=2&tbnh= 143&tbnw = 265&开始= 35&NDSP = 40&VED =1吨:429,R:51,S:0,I:243和Tx = 131&TY = 39

我的实现不是动画而不是旋转.怎么了？谢谢

<ProgressBar
    android:id="@+id/progressBar"
    style="?android:attr/progressBarStyleHorizontal"
    android:layout_width="match_parent"
    android:layout_height="wrap_content" />

Answer 1

添加android:indeterminate="true"到您的xml - 应该修复它.