update:2021.03.19

fix:重新提交
add:

res/values-sw720dp/styles.xml

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+* Copyright (C) 2008 The Android Open Source Project
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*      http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+-->
+
+<resources>
+
+    <style name="BaseLauncherTheme" parent="@android:style/Theme.DeviceDefault.Light.NoActionBar">
+        <item name="android:windowBackground">@android:color/transparent</item>
+        <item name="android:colorBackgroundCacheHint">@null</item>
+        <item name="android:windowShowWallpaper">true</item>
+        <item name="android:windowNoTitle">true</item>
+        <item name="android:windowActionModeOverlay">true</item>
+        <item name="android:colorEdgeEffect">?android:attr/textColorSecondary</item>
+    </style>
+
+    <!-- Workspace -->
+    <style name="DropTargetButton" parent="DropTargetButtonBase">
+        <item name="android:paddingLeft">60dp</item>
+        <item name="android:paddingRight">60dp</item>
+        <item name="android:shadowDx">0.0</item>
+        <item name="android:shadowDy">0.0</item>
+        <item name="android:shadowRadius">2.0</item>
+    </style>
+
+</resources>