Merge pull request #524 from tillsunrise/master

#3 #71 第3次实验

students/net1814080903202/activity_net1814080903202.xml

@@ -0,0 +1,75 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout 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"
+    tools:context=".Net1814080903202Activity">
+
+    <Button
+        android:id="@+id/button1"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="43dp"
+        android:layout_marginLeft="43dp"
+        android:layout_marginTop="24dp"
+        android:layout_marginEnd="30dp"
+        android:layout_marginRight="30dp"
+        android:layout_marginBottom="408dp"
+        android:text="@string/moment"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/button2"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/imageView" />
+
+    <Button
+        android:id="@+id/button2"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginLeft="16dp"
+        android:layout_marginTop="24dp"
+        android:layout_marginEnd="168dp"
+        android:layout_marginRight="168dp"
+        android:layout_marginBottom="408dp"
+        android:text="@string/comment"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/button1"
+        app:layout_constraintTop_toBottomOf="@+id/imageView" />
+
+    <Button
+        android:id="@+id/button3"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="47dp"
+        android:layout_marginLeft="47dp"
+        android:layout_marginTop="24dp"
+        android:layout_marginEnd="19dp"
+        android:layout_marginRight="19dp"
+        android:layout_marginBottom="408dp"
+        android:text="@string/scan"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="1.0"
+        app:layout_constraintStart_toEndOf="@+id/button2"
+        app:layout_constraintTop_toBottomOf="@+id/imageView" />
+
+    <ImageView
+        android:id="@+id/imageView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="95dp"
+        android:layout_marginLeft="95dp"
+        android:layout_marginTop="34dp"
+        android:layout_marginEnd="96dp"
+        android:layout_marginRight="96dp"
+        android:layout_marginBottom="480dp"
+        android:src="@drawable/logo"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>