首先,設定要覆蓋在最上方的dialog的view
<?xml version="1.0" encoding="utf-8"?><RelativeLayout android:background="@drawable/navigater_bg" android:padding="0.0dip" android:layout_width="fill_parent" android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android"> <ImageView android:id="@id/ivNavigater_top" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/navigater_top" android:layout_alignParentTop="true" android:layout_centerHorizontal="true" /> <ImageView android:id="@id/ivNavigater_center" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/navigater_center" android:layout_centerInParent="true" /> <ImageView android:id="@id/ivNavigater_clickable" android:padding="0.0dip" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin="0.0dip" android:src="@drawable/navigater_clickable" android:layout_alignParentRight="true" android:layout_alignParentBottom="true" /> <ImageView android:id="@id/ivNavigater_bottom" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin="0.0dip" android:src="@drawable/navigater_bottom" android:adjustViewBounds="true" android:layout_alignParentLeft="true" android:layout_alignParentBottom="true" /></RelativeLayout>
然後,在values/styles.xml添加style for 半透明:
<style name="Dialog_Fullscreen"> <item name="android:windowBackground">@android:color/transparent</item> <item name="android:windowNoTitle">true</item> <item name="android:windowIsTranslucent">true</item> <item name="android:windowContentOverlay">@null</item> <item name="android:windowAnimationStyle">@style/Dialog_Anim</item> <item name="android:colorBackgroundCacheHint">@null</item> </style>
繼續添加style for 淡入淡出效果:
<style name="Dialog_Anim"> <item name="android:windowEnterAnimation">@anim/fading_in</item> <item name="android:windowExitAnimation">@anim/fading_out</item> </style>
在anim檔案夾下,添加檔案fading_in.xml for 淡入
<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android"> <alpha android:duration="500" android:fromAlpha="0.1" android:toAlpha="1.0" /></set>
添加檔案fading_out.xml for 淡出
<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android"> <alpha android:duration="500" android:fromAlpha="0.1" android:toAlpha="1.0" /></set>
最後,在要彈出對話方塊的地方添加如下代碼:
Dialog dialog = new Dialog(this, R.style.Dialog_Fullscreen); dialog.setContentView(R.layout.sina); ImageView iv = (ImageView)dialog.findViewById(R.id.ivNavigater_clickable); iv.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {dialog.dismiss();}}); dialog.show();
最終效果
參考:
http://mingkg21.iteye.com/blog/513397