android 透明对话框

1.先定义名字为fill_box.xml的style:

<?xml version="1.0" encoding="utf-8"?><shape xmlns:android="http://schemas.android.com/apk/res/android" >    <solid android:color="#00000000" />    <stroke        android:width="3dp"        android:color="#ffffffff" />    <corners android:radius="20dp" />    <padding        android:bottom="1dp"        android:left="1dp"        android:right="1dp"        android:top="1dp" /></shape>

2.定义dialog的各种属性：

<style name="dialog" parent="@android:Theme.Dialog">        <item name="android:windowFrame">@null</item>        <item name="android:windowIsFloating">true</item>        <item name="android:windowIsTranslucent">false</item>        <item name="android:windowBackground">@drawable/fill_box</item>        <item name="android:windowContentOverlay">@null</item>    </style>

3.creat dialog:

  Dialog mDeleteDialog = new Dialog(mContext, R.style.dialog);mDeleteDialog.setTitle(getString(R.string.delete_dialog_title));mDeleteDialog.setContentView(view);mDeleteDialog.show();mDeleteDialog.getWindow().setGravity(Gravity.CENTER);

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