添加弹窗，弹窗通用背景

common/src/main/java/com/yunbao/common/dialog/PromotionElitePopupWindow.java

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+package com.yunbao.common.dialog;
+
+import android.content.Context;
+
+import androidx.annotation.NonNull;
+
+import com.lxj.xpopup.core.CenterPopupView;
+import com.yunbao.common.R;
+
+/**
+ * 升級精英/尊享戰令
+ */
+public class PromotionElitePopupWindow extends CenterPopupView {
+    public PromotionElitePopupWindow(@NonNull Context context) {
+        super(context);
+    }
+    @Override
+    protected int getImplLayoutId() {
+        return R.layout.promotion_elite_popup;
+    }
+
+    // 执行初始化操作，比如：findView，设置点击，或者任何你弹窗内的业务逻辑
+    @Override
+    protected void onCreate() {
+        super.onCreate();
+    }
+}

common/src/main/res/drawable/background_order_dialog.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:drawable="@drawable/background_order_dialog_out_layout"
+        android:gravity="fill_horizontal|fill_vertical" />
+    <item
+        android:bottom="15dp"
+        android:left="15dp"
+        android:right="15dp"
+        android:top="15dp">
+        <shape>
+            <solid android:color="#F5F5FF" />
+
+            <corners android:radius="10dp" />
+            <stroke
+                android:width="8dp"
+                android:color="#657FE4" />
+        </shape>
+    </item>
+</layer-list>

common/src/main/res/layout/promotion_elite_popup.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="219dp"
+    android:layout_marginStart="22dp"
+    android:layout_marginEnd="22dp"
+    android:background="@mipmap/background_order_dialog"
+    android:orientation="vertical">
+
+</LinearLayout>