hzuapps#4 实验四代码

students/com1709081602330/app/src/main/AndroidManifest.xml

@@ -9,8 +9,8 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".Com1709081602330Activity2"></activity>
-        <activity android:name=".Com1709081602330Activity">
+        <activity android:name=".Sports_sort"></activity>
+        <activity android:name=".MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 

students/com1709081602330/app/src/main/java/edu/hzuapps/androidlabs/com1709081602330/MainActivity.java

@@ -0,0 +1,28 @@
+package edu.hzuapps.androidlabs.com1709081602330;
+
+import android.content.Intent;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+import android.widget.Toast;
+
+public class MainActivity extends AppCompatActivity {
+    private Button select_sort;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        Button select_sort =  (Button) findViewById(R.id.select_sort);
+        select_sort.setOnClickListener(new View.OnClickListener(){
+            @Override
+            public void onClick(View v){
+                Intent intent = new Intent(MainActivity.this,Sports_sort.class);
+                startActivity(intent);
+            }
+        });
+    }
+
+
+}

students/com1709081602330/app/src/main/java/edu/hzuapps/androidlabs/com1709081602330/Com1709081602330Activity2.java → students/com1709081602330/app/src/main/java/edu/hzuapps/androidlabs/com1709081602330/Sports_sort.java

@@ -2,12 +2,16 @@
 
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
+import android.widget.Button;
 
-public class Com1709081602330Activity2 extends AppCompatActivity {
-
+public class Sports_sort extends AppCompatActivity {
+    private Button basketball;
+    private Button football;
+    private Button tennis;
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.com_1709081602330_activity2);
+        setContentView(R.layout.activity_sports_sort);
     }
+
 }

students/com1709081602330/app/src/main/res/layout/activity_main.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TableLayout 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=".MainActivity">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="体育比赛直播间"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+    <Button
+        android:id="@+id/select_sort"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="选择分类"
+        />
+    <ImageView
+        android:id="@+id/image_view"
+        android:layout_height="wrap_content"
+        android:layout_width="wrap_content"
+        android:src = "@drawable/img_1"
+        />
+
+</TableLayout>

students/com1709081602330/app/src/main/res/layout/activity_sports_sort.xml

@@ -0,0 +1,31 @@
+<?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=".Sports_sort">
+
+    <Button
+        android:id="@+id/basketball"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:text="篮球"/>
+    <Button
+        android:id="@+id/football"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:text="足球"/>
+    <Button
+        android:id="@+id/tennis"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:text="网球"/>
+
+</LinearLayout>