android 删除底层的背景 ,
@Override
public void onCreate(Bundle icicle){
super.onCreate(icicle);
setContentView(R.layout.mainview);
// 删除窗口背景
getWindow().setBackgroundDrawable(null);
...
}
<resources>
<style name="NoBackgroundTheme" parent="android:Theme">
<item name="android:windowBackground">@null</item>
</style>
</resources>