public Dialog createDialog(Context context, View view) {

        Dialog mSelectPhotoDialog = null;

        mSelectPhotoDialog = new Dialog(context, R.style.transparentFrameWindowStyle);

        mSelectPhotoDialog.setContentView(view);

        Window window = mSelectPhotoDialog.getWindow();

        // 设置显示动画

        window.setWindowAnimations(R.style.select_photo_dialog_animstyle);

        WindowManager.LayoutParams wl = window.getAttributes();

        wl.x = 0;

        wl.y = getActivity().getWindowManager().getDefaultDisplay().getHeight();

        // 以下这两句是为了保证按钮可以水平满屏

        wl.width = ViewGroup.LayoutParams.MATCH_PARENT;

        wl.height = ViewGroup.LayoutParams.WRAP_CONTENT;

        // 设置显示位置

        mSelectPhotoDialog.onWindowAttributesChanged(wl);

        // 设置点击外围解散

        mSelectPhotoDialog.setCanceledOnTouchOutside(true);

        mSelectPhotoDialog.show();

}

<!-- 头像弹出窗的动画效果 -->

    <style name="select_photo_dialog_animstyle">

        <item name="android:windowEnterAnimation">@anim/photo_dialog_in_anim</item>

        <item name="android:windowExitAnimation">@anim/photo_dialog_out_anim</item>

    </style>

<!-- 头像弹出窗的样式：无边框 背景透明-->

    <style name="transparentFrameWindowStyle" parent="android:style/Theme.Dialog">

        <item name="android:windowBackground">@android:color/transparent</item>

    </style>

<?xml version="1.0" encoding="utf-8"?>

<set xmlns:android="http://schemas.android.com/apk/res/android" >

    <translate

        android:duration="500"

        android:fromXDelta="0"

        android:fromYDelta="1000"

        android:toXDelta="0"

        android:toYDelta="0" />

</set>

（二）、photo_dialog_out_anim

<?xml version="1.0" encoding="utf-8"?>

<set xmlns:android="http://schemas.android.com/apk/res/android" >

    <translate

        android:duration="500"

        android:fromXDelta="0"

        android:fromYDelta="0"

        android:toXDelta="0"

        android:toYDelta="1000" />

</set>