增加上传和更新页面

app/src/main/res/drawable/bt_update_bg.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- 内部颜色 -->
+    <solid android:color="@color/lightgreen" />
+
+    <padding
+        android:bottom="8dp"
+        android:left="32dp"
+        android:right="32dp"
+        android:top="8dp" />
+
+    <!-- 圆角的幅度 -->
+    <corners
+        android:bottomLeftRadius="32dp"
+        android:bottomRightRadius="32dp"
+        android:topLeftRadius="32dp"
+        android:topRightRadius="32dp" />
+</shape>