TranslucentBlur

 

public class A extends Activity {

 

    @Override

    protected void onCreate(Bundle icicle) {

 

        super.onCreate(icicle);

 

 

        getWindow().setFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND,

                WindowManager.LayoutParams.FLAG_BLUR_BEHIND);

//使用android:theme="@style/Theme.Wallpaper"时，注意将上面一段代码注释掉！

 

 

        setContentView(R.layout.translucent_background);

    }

}

translucent_background.xml

<?xml version="1.0" encoding="utf-8"?>

<TextView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/text"

    android:layout_width="match_parent" android:layout_height="match_parent"

    android:gravity="center_vertical|center_horizontal"

    android:text="@string/translucent_background"/>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

      package="com.ac"

      android:versionCode="1"

      android:versionName="1.0">

    <application android:icon="@drawable/icon" android:label="@string/app_name"

 android:theme="@style/Theme.Transparent"

>

  <!--  android:theme="@style/Theme.Wallpaper" -->

        <activity android:name=".MainA"

                  android:label="@string/app_name">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

      

       

    </application>

    <uses-sdk android:minSdkVersion="8" />

</manifest>

styles.xml

<?xml version="1.0" encoding="utf-8"?>

<resources>

<style name="Theme" parent="android:Theme">

    </style>

  <style name="Theme.Transparent">

        <item name="android:windowIsTranslucent">true</item>

        <item name="android:windowAnimationStyle">@android:style/Animation.Translucent</item>

        <item name="android:windowBackground">@drawable/transparent_background</item>

        <item name="android:windowNoTitle">true</item>

        <item name="android:colorForeground">#fff</item>

    </style>

    <style name="Theme.Wallpaper" parent="android:style/Theme.Wallpaper">

        <item name="android:colorForeground">#fff</item>

    </style>

</resources>

colors.xml

<?xml version="1.0" encoding="utf-8"?>

<resources>

    <drawable name="red">#7f00</drawable>

    <drawable name="blue">#770000ff</drawable>

    <drawable name="green">#7700ff00</drawable>

<drawable name="yellow">#77ffff00</drawable>

<drawable name="screen_background_black">#ff000000</drawable>

    <drawable name="translucent_background">#e0000000</drawable>

    <drawable name="transparent_background">#00000000</drawable>

</resources>

意外的效果！