hzuapps#2 hzuapps#405 第2次实验

students/sec1814080911138/AboutActivity.java

@@ -0,0 +1,16 @@
+package com.example.pomelo_note;
+
+import android.app.Activity;
+import android.os.Bundle;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+public class AboutActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState){
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.about_view);
+    }
+
+

students/sec1814080911138/AndroidManifest.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    package="com.example.pomelonote">
+
+    <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=".AddAcitivity"></activity>
+        <activity android:name=".CostBean" /></activity>
+        <activity android:name=".Sec1814080911138Activity"</activity>
+        <activity android:name=".HelpActivity"></activity>
+             <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

students/sec1814080911138/Sec1814080911138Activity.java

@@ -1,7 +1,19 @@
-edu.hzuapps.androidlabs.sec1814080911138.Sec1814080911138Activity.java
+package com.example.pomelonote
+
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import java.util.List;
+import android.widget.Toast;
+import android.widget.DatePicker;
+importimport android.view.Menu; android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+
+public class MainActivity{
+
+    private List < CostBean > mCostBeanList;
+    mCostBeanList = new ArrayList<>();
+    ListView costList = (ListView) findViewById(R.id.lv_main);
 
-public class Sec1814080911138Activity{
 
-public static void main(String[ ] args){
-System.out.println("Hello World")
 }