<style name="DialogStyle" parent="@android:style/Theme.Dialog">
        <!-- 背景透明 -->
        <item name="android:windowBackground">@android:color/transparent</item>
        <item name="android:windowContentOverlay">@null</item>
        <!-- 浮於Activity之上 -->
        <item name="android:windowIsFloating">true</item>
        <!-- 邊框 -->
        <item name="android:windowFrame">@null</item>
        <!-- Dialog以外的區域模糊效果 -->
        <item name="android:backgroundDimEnabled">true</item>
        <!-- 無標題 -->
        <item name="android:windowNoTitle">true</item>
        <!-- 半透明 -->
        <item name="android:windowIsTranslucent">true</item>
        <!-- Dialog進入及退出動畫 -->
        <item name="android:windowAnimationStyle">@style/DialogAnimation</item>
    </style>
    <style name="DialogAnimation" parent="@android:style/Animation.Dialog">
        <item name="android:windowEnterAnimation">@anim/dialog_in</item>
        <item name="android:windowExitAnimation">@anim/dialog_out</item>

    </style>

dialog_in:

<?xml version="1.0" encoding="utf-8"?>
<translate xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="200"
    android:fromYDelta="100%"
    android:toYDelta="0"
    >
</translate>

dialog_out:

<?xml version="1.0" encoding="utf-8"?>
<translate xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="200"
    android:fromYDelta="0"
    android:toYDelta="100%"
    >

</translate>

//設定dialog大小、位置

  WindowManager.LayoutParams params = dialogFilter.getWindow().getAttributes();
    params.width = (int) (DensityUtil.getScreenWidth(this)*0.8);
    params.height = ViewGroup.LayoutParams.MATCH_PARENT;
dialogFilter.getWindow().setGravity(Gravity.RIGHT);