<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
 android:layout_width="wrap_content" 
 android:layout_height="wrap_content" 
 android:background="@drawable/ic_loading_bg" 
 android:gravity="center" 
 android:orientation="vertical" 
 android:padding="16.0dip" > 
 
 <ProgressBar 
  android:layout_width="24.0dip" 
  android:layout_height="24.0dip" 
  android:indeterminateDrawable="@drawable/progress_drawable_white" /> 
 
 <TextView 
  android:id="@+id/id_tv_loadingmsg" 
  android:layout_width="wrap_content" 
  android:layout_height="wrap_content" 
  android:layout_gravity="center_vertical" 
  android:layout_marginTop="8.0dip" 
  android:textColor="@color/white" 
  android:textSize="16.0dip" /> 
 
</LinearLayout> 

<?xml version="1.0" encoding="utf-8"?> 
<animation-list android:oneshot="false" 
 xmlns:android="http://schemas.android.com/apk/res/android"> 
 <item android:duration="83" android:drawable="@drawable/ic_loading_white_01" /> 
 <item android:duration="83" android:drawable="@drawable/ic_loading_white_02" /> 
 <item android:duration="83" android:drawable="@drawable/ic_loading_white_03" /> 
 <item android:duration="83" android:drawable="@drawable/ic_loading_white_04" /> 
 <item android:duration="83" android:drawable="@drawable/ic_loading_white_05" /> 
 <item android:duration="83" android:drawable="@drawable/ic_loading_white_06" /> 
 <item android:duration="83" android:drawable="@drawable/ic_loading_white_07" /> 
 <item android:duration="83" android:drawable="@drawable/ic_loading_white_08" /> 
 <item android:duration="83" android:drawable="@drawable/ic_loading_white_09" /> 
 <item android:duration="83" android:drawable="@drawable/ic_loading_white_10" /> 
 <item android:duration="83" android:drawable="@drawable/ic_loading_white_11" /> 
 <item android:duration="83" android:drawable="@drawable/ic_loading_white_12" /> 
</animation-list> 

progressDialog = new Dialog(AboutActivity.this,R.style.progress_dialog); 
progressDialog.setContentView(R.layout.progress); 
progressDialog.getWindow().setBackgroundDrawableResource(android.R.color.transparent); 
TextView msg = (TextView) progressDialog.findViewById(R.id.id_tv_loadingmsg); 
msg.setText("卖力加载中"); 
progressDialog.show(); 

<style name="progress_dialog" parent="@android:style/Theme.Dialog"> 
  <item name="android:windowFrame">@null</item> 
  <item name="android:windowIsFloating">true</item> 
  <item name="android:windowIsTranslucent">true</item> 
  <item name="android:windowNoTitle">true</item> 
  <item name="android:background">@null</item> 
  <item name="android:windowBackground">@null</item> 
  <item name="android:backgroundDimEnabled">false</item> 
 </style> 

progressDialog.dismiss();