Activity不是自动旋转:如果我使用onConfigurationChanged，它不起作用:@OverridepublicvoidonConfigurationChanged(ConfigurationnewConfig){//TODOAuto-generatedmethodstubsuper.onConfigurationChanged(newConfig);if(newConfig.orientation==Configuration.ORIENTATION_LANDSCAPE){Toast.makeText(this,"landscape",Toast.LENGTH_SHO