android 各种控件颜色值

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<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="hello">Hello World, Main!</string>
<string name="app_name">Color</string>
<drawable name="red">#ff0000</drawable>
<color name="gray">#999999</color>
<color name="blue">#0000ff</color>
<color name="background">#ffffff</color>
</resources>

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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@color/background"
>
<TextView  android:id="@+id/tv1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello"
android:textColor="@drawable/red"
/>
<TextView  android:id="@+id/tv2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello"
android:textColor="@color/gray"
/>
<TextView  android:id="@+id/tv3"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello"
/>
</LinearLayout>

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package com.pocketdigi.color;

import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.widget.TextView;

public class Main extends Activity {
/** Called when the activity is first created. */
TextView tv1,tv2,tv3;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
tv1=(TextView)findViewById(R.id.tv1);
tv2=(TextView)findViewById(R.id.tv2);
tv3=(TextView)findViewById(R.id.tv3);
tv3.setTextColor(Color.BLUE);//直接使用android.graphics.Color的静态变量
tv2.setTextColor(this.getResources().getColor(R.color.blue));//使用预先设置的颜色值

}
}