Merge pull request #822 from 1814080911138/master

#2 #405 第二次实验

students/sec1814080911138/AboutActivity.java

@@ -0,0 +1,16 @@
+package edu.hzuapps.androidlabs.Sec1814080911138;
+
+import android.app.Activity;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Bundle;
+
+public class AboutActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_about);
+    }
+}

students/sec1814080911138/AndroidManifest.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="edu.hzuapps.androidlabs.Sec1814080911138">
+
+    <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=".ChartActivity"></activity>
+        <activity android:name=".AboutActivity" />
+        <activity android:name=".Sec1814080911138Activity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

students/sec1814080911138/ChartActivity.java

@@ -0,0 +1,50 @@
+package edu.hzuapps.androidlabs.Sec1814080911138;
+
+/* 首先我们先往项目里添加一个画折线图需要的依赖包hellocharts-library-1.5.8.jar */
+import android.os.Bundle;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.TreeMap;
+
+import lecho.lib.hellocharts.model.Axis;
+import lecho.lib.hellocharts.model.ChartData;
+import lecho.lib.hellocharts.model.Line;
+import lecho.lib.hellocharts.model.LineChartData;
+import lecho.lib.hellocharts.model.PointValue;
+import lecho.lib.hellocharts.model.ValueShape;
+import lecho.lib.hellocharts.util.ChartUtils;
+import lecho.lib.hellocharts.view.Chart;
+import lecho.lib.hellocharts.view.LineChartView;
+public class ChartActivity extends AppCompatActivity {
+
+}
+    private LineChartView mChart;
+    private Map<String,Integer> table = new TreeMap<>();  //日期排序
+    private LineChartData mData = new LineChartData();
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_chart);
+    }
+}
+    private void generateData(){    //设置折线图的线颜色等属性
+        List<Line> lines=new ArrayList<>();
+        List<PointValue> values=new ArrayList<>();
+        int indexX=0;
+        for(Integer value:table.values()){
+        values.add(new PointValue(indexX,value));
+        indexX++;
+        Line  line = new Line(values);
+        line.setColor(ChartUtils.COLOR_GREEN);
+        line.setShape(ValueShape.CIRCLE);
+        line.setPointColor(ChartUtils.COLOR_ORANGE);
+        lines.add(line);
+        mData = new LineChartData(lines);
+        mData.setLines(lines);
+        mChart.setLineChartData(mData);
+        }
+}

students/sec1814080911138/Sec1814080911138Activity.java

@@ -1,7 +1,54 @@
-edu.hzuapps.androidlabs.sec1814080911138.Sec1814080911138Activity.java
+package edu.hzuapps.androidlabs.Sec1814080911138;
 
-public class Sec1814080911138Activity{
+import android.os.Bundle;
 
-public static void main(String[ ] args){
-System.out.println("hello world")
+import androidx.appcompat.app.AppCompatActivity;
+
+import java.util.List;
+
+public class Sec1814080911138Activity extends AppCompatActivity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        private List<CostBean> mCostBeanList;
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_sec1814080911138);
+    }
 }
+    FloatingActionButton fab = findViewById(R.id.fab);
+        fab.setOnClickListener(new View.OnClickListener() {
+public void onClick(View view) {
+        builder.setTitle("新建支出");//dialog的标题
+        builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
+
+
+public void onClick(DialogInterface dialog, int which) {//当点击确定时，
+        CostBean costBean = new CostBean();
+        costBean.costTitle = title.getText().toString();//将对应的属性输入
+        costBean.costMoney = money.getText().toString();
+        costBean.costDate = date.getYear() + "-" + (date.getMonth() + 1) + "-" +
+        date.getDayOfMonth();
+        costBean.costDate = date.getYear()+"-";
+
+        if(date.getMonth()+1<10)costBean.costDate+="0";
+        costBean.costDate+=(date.getMonth()+1)+"-";
+        if(date.getDayOfMonth()<10)    costBean.costDate+="0";
+        costBean.costDate+=date.getDayOfMonth();
+
+
+        //当输入为空时提醒
+        if("".equals(costBean.costTitle) || "".equals(costBean.costMoney) || "".equals(costBean.costDate))
+        {
+        Toast.makeText(MainActivity.this,"信息不完整",Toast.LENGTH_SHORT).show();
+        return;
+        }
+        if(costBean.costMoney.length()>4)
+        {
+        Toast.makeText(MainActivity.this,"金额过大",Toast.LENGTH_SHORT).show();
+        return;
+        }
+        builder.setNegativeButton("取消", null);//取消时退出
+        builder.create().show();//显示dialog，即自定义的布局
+        }
+        });
+        }
+