首先,设置要覆盖在最上方的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>
然后,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>
继续添加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文件夹下,添加文件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>
添加文件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>
最后,在要弹出对话框的地方添加如下代码:
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() { @Override public void onClick(View v) { dialog.dismiss(); } }); dialog.show();
最终效果如图: