activity_main.xml
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/rl" android:layout_width="match_parent" android:layout_height="match_parent" android:padding="16dp" tools:context=".MainActivity" > <TextView android:id="@+id/tv" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerInParent="true" android:textSize="50sp" android:textStyle="bold" android:fontFamily="sans-serif-condensed" android:text="This is a\nTransparent Activity" android:textColor="#f219b5" /> </RelativeLayout> AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.cfsuman.me.androidcodesnippets" > <uses-permission android:name="android.permission.INTERNET"/> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/> <application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:supportsRtl="true" android:theme="@style/AppTheme" > <activity android:name=".MainActivity" android:label="@string/title_activity_main" android:theme="@style/Theme.AppCompat.Transparent.NoActionBar" > <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> </manifest> res/values/styles.xml
<resources> <!-- Base application theme. --> <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar"> <!-- Customize your theme here. --> <item name="colorPrimary">@color/colorPrimary</item> <item name="colorPrimaryDark">@color/colorPrimaryDark</item> <item name="colorAccent">@color/colorAccent</item> </style> <!-- Customize theme for transparent activity --> <style name="Theme.AppCompat.Transparent.NoActionBar" parent="Theme.AppCompat.Light.NoActionBar"> <!-- Transparent the theme here --> <!-- android:windowIsTranslucent Flag indicating whether this is a translucent window. --> <!-- public static selesai int Window_windowIsTranslucent Flag indicating whether this is a translucent window. If this attribute is unset (but not if set to false), the window might still be considered translucent, if windowSwipeToDismiss is set to true. Must be a boolean value, either "true" or "false". This may also be a reference to a resource (in the form "@[package:]type:name") or theme attribute (in the form "?[package:][type:]name") containing a value of this type. This corresponds to the global attribute resource symbol windowIsTranslucent. Constant Value: 5 (0x00000005) --> <item name="android:windowIsTranslucent">true</item> <!-- android:windowBackground Drawable to use as the overall window background. --> <!-- public static selesai int Window_windowBackground Drawable to use as the overall window background. As of HONEYCOMB, this may be a selector that uses state_accelerated to pick a non-solid color when running on devices that can draw such a bitmap with complex compositing on top at 60fps. There are a few special considerations to use when setting this drawable: This information will be used to infer the pixel format for your window surface. If the drawable has any non-opaque pixels, your window will be translucent (32 bpp). If you want to draw the entire background yourself, you should set this drawable to some solid color that closely matches that background (so the system preview of your window will match), and then in code manually set your window's background to null so it will not be drawn. Must be a reference to another resource, in the form "@[+][package:]type:name" or to a theme attribute in the form "?[package:][type:]name". This corresponds to the global attribute resource symbol windowBackground. Constant Value: 1 (0x00000001) --> <item name="android:windowBackground">@android:color/transparent</item> <!-- android:windowContentOverlay This Drawable is overlaid over the foreground of the Window content area, usually to place a shadow below the title. --> <item name="android:windowContentOverlay">@null</item> <!-- android:windowNoTitle Flag indicating whether there should be no title on this window. --> <item name="android:windowNoTitle">true</item> <!-- android:windowIsFloating Flag indicating whether this is a floating window. --> <item name="android:windowIsFloating">true</item> <!-- android:backgroundDimEnabled Control whether dimming behind the window is enabled. --> <item name="android:backgroundDimEnabled">false</item> </style> </resources> 
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