android resource values

/res/values/

<?xml version="1.0"encoding="utf-8"?>
<resources>
    //格式
    <type_name  name="res_name">the_resoure</type_name>
    
    //单个
    <string name="str_name">text_string</string>
    //String string = getString(R.String.str_name);
    //@string/str_name
    //假如有特殊字符，而没有用到转义字符，就必须用双引号将字符串完全包住
    //"text_'string"
    
    //数组
    <string-array name="planets_array">
        <item>Mercury</item>
        <item>Venus</item>
        <item>Earth</item>
        <item>Mars</item>
    </string-array>
    //@array/planets_array
    //Resources res = getResources();
    //String[] planets = res.getStringArray(R.array.planets_array);
    
    
    //无类型数组
    <array name="planets_array">
        <item>Mercury</item>
        <item>Venus</item>
        <item>Earth</item>
        <item>Mars</item>
    </array>
    //Resources res = getResources();
    //TypedArray planetsArray = res.obtainTypedArray(R.array.planets_array);
    //String str= planetsArray.getString(0);
    
</resources>