update the img_upload_img

Code/LeudaemiaLikeMe/app/src/main/AndroidManifest.xml

@@ -9,6 +9,7 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.LeudaemiaLikeMe">
+        <activity android:name=".SendInvitationActivity"></activity>
         <activity android:name=".MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

Code/LeudaemiaLikeMe/app/src/main/java/com/example/leudaemialikeme/SendInvitationActivity.java

@@ -0,0 +1,14 @@
+package com.example.leudaemialikeme;
+
+import android.os.Bundle;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+public class SendInvitationActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_send_invitation);
+    }
+}

Code/LeudaemiaLikeMe/app/src/main/res/layout/activity_send_invitation.xml

@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    tools:context="com.example.leudaemialikeme.SendInvitationActivity">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="60dp">
+        <LinearLayout
+        android:layout_width="97dp"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+
+        <Button
+            android:id="@+id/button3"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="取消" />
+
+    </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="217dp"
+            android:layout_height="match_parent"
+            android:orientation="vertical">
+
+            <TextView
+                android:id="@+id/textView5"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:gravity="center"
+                android:textSize="20sp"
+                android:text="发帖" />
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="97dp"
+            android:layout_height="match_parent"
+            android:orientation="vertical">
+
+            <Button
+                android:id="@+id/button4"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="发送" />
+        </LinearLayout>
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="308dp"
+        android:orientation="vertical">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="42dp"
+            android:orientation="vertical">
+
+            <EditText
+                android:id="@+id/textView3"
+                android:layout_width="match_parent"
+                android:layout_height="42dp"
+                android:text=""
+                android:hint="请输入你的标题"/>
+        </LinearLayout>
+        <EditText
+            android:id="@+id/textView4"
+            android:layout_width="match_parent"
+            android:layout_height="42dp"
+            android:hint="分享你的经验，互帮互助，大家一起好起来呀！" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="93dp"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal">
+
+        <ImageButton
+            android:id="@+id/imageButton3"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            app:srcCompat="@mipmap/img_upload_img" />
+    </LinearLayout>
+
+</LinearLayout>