Android drawable xml 各种小知识

摘抄自网络。

圆角或者各种变种背景，

<?xml version="1.0" encoding="utf-8"?>  
<shape xmlns:android="http://schemas.android.com/apk/res/android">    
    <solid android:color="#FFFFFF" />    
    <corners android:topLeftRadius="10dp"   
             android:topRightRadius="10dp"    
             android:bottomRightRadius="10dp"   
             android:bottomLeftRadius="10dp"/>    
</shape>

    public LoadingDialog(Context context){
        super(context, R.style.loading_dialog_style);
    }

    public LoadingDialog(Context context, int theme){
        super(context,theme);
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.dialog_login_loading);
    }