#第四次实验_订餐App

students/soft1714080902238/第四次实验/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="lun.com.myapplication">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity
+            android:name="edu.hzuapps.androidlabs.Soft1714080902238.pic"
+            android:label="订餐App"></activity>
+        <activity
+            android:name="edu.hzuapps.androidlabs.Soft1714080902238.Soft1714080902238Activity"
+            android:label="订餐App">
+
+        </activity>
+        <activity android:name="edu.hzuapps.androidlabs.Soft1714080902238.displayActivity" android:label="订餐App">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>

students/soft1714080902238/第四次实验/src/main/java/edu/hzuapps/androidlabs/Soft1714080902238/displayActivity.java

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+package edu.hzuapps.androidlabs.Soft1714080902238;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+
+import lun.com.myapplication.R;
+
+public class displayActivity extends Activity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_display);
+        Log.i("Activity01","onCreate()");
+    }
+    protected void Click(View view){
+        Intent intent = new Intent(this,Soft1714080902238Activity.class);
+        startActivity(intent);
+    }
+}

students/soft1714080902238/第四次实验/src/main/res/layout/activity_display.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout 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="edu.hzuapps.androidlabs.Soft1714080902238.displayActivity">
+
+<LinearLayout
+    android:id="@+id/bt01"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+
+    android:gravity="center"
+    android:orientation="horizontal"
+    tools:ignore="MissingConstraints"
+    android:layout_alignStart="@+id/bt02"
+    android:layout_alignParentTop="true">
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:text="订餐"
+        android:textSize="20dp"/>
+
+</LinearLayout>
+<LinearLayout
+    android:id="@+id/bt02"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_centerHorizontal="true"
+    android:layout_below="@id/bt01"
+    android:layout_marginLeft="10dp"
+    android:layout_marginRight="10dp"
+    android:layout_marginTop="22dp"
+    android:gravity="center"
+    android:orientation="horizontal"
+    tools:ignore="MissingConstraints"
+    android:weightSum="1">
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="wrap_content"
+        android:layout_height="54dp"
+        android:layout_gravity="center_horizontal"
+        android:text="选择类别"
+        android:textSize="40dp" />
+
+</LinearLayout>
+
+<GridLayout
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_gravity="center"
+    android:columnCount="4"
+    android:layout_marginLeft="12dp"
+    android:orientation="horizontal"
+    android:id="@+id/gridLayout"
+    android:layout_below="@+id/bt02"
+    android:layout_alignParentStart="true">
+    <Button
+        android:id="@+id/menu1"
+        android:layout_width="186dp"
+        android:layout_height="138dp"
+        android:layout_columnSpan="2"
+
+        android:layout_rowSpan="4"
+        android:text="肉类荤食"
+        android:onClick="Click"
+        android:textSize="30dp"
+        android:layout_below="@+id/bt02"
+        android:layout_alignStart="@+id/menu4" />
+
+    <Button
+        android:id="@+id/menu2"
+        android:layout_width="186dp"
+        android:layout_height="138dp"
+        android:layout_columnSpan="2"
+
+
+        android:layout_rowSpan="4"
+        android:text="烧烤炸鸡"
+        android:layout_below="@+id/gridLayout"
+        android:layout_alignParentEnd="true"
+        android:textSize="30dp"/>
+    <Button
+        android:id="@+id/menu3"
+        android:layout_width="186dp"
+        android:layout_height="138dp"
+        android:layout_columnSpan="2"
+
+        android:layout_rowSpan="4"
+        android:text="面食粥点"
+        android:textSize="30dp"
+        android:layout_below="@+id/menu2"
+        android:layout_alignParentEnd="true" />
+    <Button
+        android:id="@+id/menu4"
+        android:layout_width="186dp"
+        android:layout_height="138dp"
+        android:layout_columnSpan="2"
+
+        android:layout_rowSpan="4"
+        android:text="地方菜系"
+        android:textSize="30dp"
+        android:layout_below="@+id/menu1"
+        android:layout_toStartOf="@+id/menu2" />
+    <Button
+        android:id="@+id/menu5"
+        android:layout_width="186dp"
+        android:layout_height="138dp"
+        android:layout_columnSpan="2"
+
+        android:layout_rowSpan="4"
+        android:text="点心甜品"
+        android:textSize="30dp"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentEnd="true" />
+    <Button
+        android:id="@+id/menu6"
+        android:layout_width="186dp"
+        android:layout_height="138dp"
+        android:layout_columnSpan="2"
+
+        android:layout_rowSpan="4"
+        android:text="果蔬饮品"
+        android:textSize="30dp"
+        android:layout_alignStart="@+id/menu4" />
+</GridLayout>
+
+
+
+
+</RelativeLayout>
+