2-VIV-Android控件之res资源加载

<string name="title">张风捷特烈</string>

//使用单字符串
setTitle(getResources().getString(R.string.title));
//xml里
android:text="@string/title"

<string-array name="coder">
    <item>Java</item>
    <item>Python</item>
    <item>JavaScript</item>
    <item>C++</item>
    <item>C</item>
</string-array>

//获取字符数组
String[] coders = getResources().getStringArray(R.array.coder);
for (int i = 0; i < coders.length; i++) {
    mIdTvCoder.append(coders[i]+"\n");
}

<dimen name="sp_18">18sp</dimen>

//xml
android:textSize="@dimen/sp_18"
//获取尺寸==已转换为px
float dimension = getResources().getDimensionPixelOffset(R.dimen.sp_18);
mIdTvCoder.setTextSize(TypedValue.COMPLEX_UNIT_PX,dimension);

<style name="SmallBlueTextView">
    <item name="android:layout_height">wrap_content</item>
    <item name="android:layout_width">wrap_content</item>
    <item name="android:textSize">@dimen/sp_12</item>
    <item name="android:textColor">@dimen/sp_12</item>
</style>

    <TextView
        android:id="@+id/id_tv_coder"
        style="@style/SmallBlueTextView"/>

<color name="gray">#eeeeee</color>

//获取颜色
int color = getResources().getColor(R.color.gray);
mIdTvCoder.setBackgroundColor(color);
//xml里
android:background="@color/gray"

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <!--按压为灰色-->
    <item android:drawable="@color/gray" android:state_pressed="true"/>
    <!--不可用状态为红色-->
    <item android:drawable="@color/red" android:state_enabled="false"/>
    <!--默认白色-->
    <item android:drawable="@color/white"/>
</selector>

 android:background="@drawable/sel_db_gary_white"

　　1、android:drawable 可绘制对象资源。
　　2、android:state_pressed 按下
　　3、android:state_checked 选中
  　4、android:state_checkable 可选中
　　5、android:state_selected 方向键浏览列表
　　6、android:state_enabled 可用
    7、android:state_focused 获取焦点
　　8、android:state_activated 激活
　　9、android:state_hovered 光标悬停
　　10、android:state_window_focused 窗口有焦点

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:color="#A6A6A6" android:state_enabled="false"/>
    <item android:color="#A6D3CF" android:state_pressed="true"/>
    <item android:color="@color/blue"/>
</selector>

android:textColor="@color/sel_col_gary_white"

//获取选择器
ColorStateList selColor = getResources().getColorStateList(R.color.sel_col_gary_white);
mIdTvCoder.setTextColor(selColor);

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <rotate
        android:duration="2000"
        android:fromDegrees="0"
        android:pivotX="50%"
        android:pivotY="50%"
        android:repeatMode="reverse"
        android:toDegrees="360"
    />
</set>

Animation rotate = AnimationUtils.loadAnimation(this, R.anim.anim_rotate);
mIdTvCoder.setAnimation(rotate);
mIdTvCoder.startAnimation(rotate);