使用新的r21appcompat库，我想在工具栏中显示不确定(旋转)的进度条。之前使用我的onCreate方法开始于:supportRequestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);super.onCreate(savedInstanceState);setSupportProgressBarIndeterminate(true);setSupportProgressBarIndeterminateVisibility(true); 最佳答案 简而言之:不，您必须

setProgressBarIndeterminateVisibility(false)不适用于2.3android。我正在使用下面的代码。进度条始终显示并且没有隐藏。相同的代码在android4.x上运行，进度条被隐藏。Activity是从SherlockFragmentActivity扩展而来，并且没有像setSupportProgressBarIndeterminateVisibility(true)这样的调用；这将使进度条可见。我的完整代码:@OverrideprotectedvoidonCreate(BundlesavedInstanceState){((SherlockFr

我的Activity类扩展了android.support.v7.app.ActionBarActivity。我正在请求窗口功能并在onCreate()方法中调用setSupportProgressBarIndeterminateVisibility()，如下所示:protectedvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);supportRequestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);setContentVie

我的Activity类扩展了android.support.v7.app.ActionBarActivity。我正在请求窗口功能并在onCreate()方法中调用setSupportProgressBarIndeterminateVisibility()，如下所示:protectedvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);supportRequestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);setContentVie

我正在尝试在SherlockFragmentActivity中显示不确定的进度条但是我的代码只显示ActionBar而没有ProgressBar在里面这是我在Android4.1.1中运行的代码importcom.actionbarsherlock.view.Window;........publicclassSowahActivityextendsSherlockFragmentActivity{..........protectedvoidonCreate(BundlesavedInstanceState){requestWindowFeature(Window.FEATURE_I