小学四则运算APP 第一个冲刺阶段 第五天

团队成员：陈淑筠、杨家安、陈曦

团队选题：小学四则运算APP

第一次冲刺阶段时间：11.17~11.27

本次发布的是实现练习功能的成功

代码：

public class CalculatorActivity extends Activity {
	private final Random num1=new Random();
	private final Random num2=new Random();
	private final Random r = new Random();
	private Button next;
	private char[] ch = {'+','-','*','/'};//字符数组
	//private int[]puanduan;
	private int index; //随机数，小于数组的长度数, 0~3
	private char a;
	private TextView text1,text2,text3;
	private EditText answer;
	private Button surebutton;//确定按钮
	private int i,m=0;
	//private String c;
	//private String e;
	//private String b;
	private int i1,i2,i3;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_calculator);
		Bundle bundle=getIntent().getExtras();
		index=bundle.getInt("suanfa");
		a=ch[index];
		i=bundle.getInt("shumu");
		final String[]puanduan=new String[i];
		text1=(TextView)findViewById(R.id.textView1);//随机数字
		text2=(TextView)findViewById(R.id.textView2);//运算符号
		text3=(TextView)findViewById(R.id.textView3);//随机数字
		answer=(EditText)findViewById(R.id.editText1);//运算结果
		next=(Button)findViewById(R.id.next);
		final String c=String.valueOf(num1.nextInt(100));
		i2=Integer.valueOf(c);
		final String d=String.valueOf(a);
		final String e=String.valueOf(num2.nextInt(100));
		i3=Integer.valueOf(e);
		while(i<0){
		text1.setText(c);//随机数1-100
		text2.setText(d);//随机运算符+,-,*,/
		text3.setText(e);//随机数1-100
		surebutton=(Button)findViewById(R.id.surebutton);//确定按钮
		surebutton.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View arg0) {
				// TODO Auto-generated method stub
				final String b=answer.getText().toString();//获取输入的数值
				i1=Integer.valueOf(b);
				switch(index){
				case 0:
				{
					if(i1==(i2+i3))
					{
						Toast.makeText(CalculatorActivity.this, "正确"+b, Toast.LENGTH_SHORT).show();
						puanduan[m]="正确";
					}
					else
					{
						Toast.makeText(CalculatorActivity.this, "错误"+b, Toast.LENGTH_SHORT).show();
						puanduan[m]="错误";
					}
					break;
				}
				case 1:
				{
					if(i1==(i2-i3))
					{
						Toast.makeText(CalculatorActivity.this, "正确"+b, Toast.LENGTH_SHORT).show();
						puanduan[m]="正确";
					}
					else
					{
						Toast.makeText(CalculatorActivity.this, "错误"+b, Toast.LENGTH_SHORT).show();
						puanduan[m]="错误";
					}
					break;
				}
				case 2:{
					if(i1==(i2*i3))
					{
						Toast.makeText(CalculatorActivity.this, "正确"+b, Toast.LENGTH_SHORT).show();
						puanduan[m]="正确";
					}
					else
					{
						Toast.makeText(CalculatorActivity.this, "错误"+b, Toast.LENGTH_SHORT).show();
						puanduan[m]="错误";
					}
					break;
				}
				case 3:
				{
					if(i3!=0){
					if(i1==(i2/i3))
					{
						Toast.makeText(CalculatorActivity.this, "正确"+b, Toast.LENGTH_SHORT).show();
						puanduan[m]="正确";
					}
					else
					{
						Toast.makeText(CalculatorActivity.this, "错误"+b, Toast.LENGTH_SHORT).show();
						puanduan[m]="错误";
					}
					}
					break;
				}
				}
				i--;
				m++;
			}
		});
		next.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View arg0) {
				Intent intent2=new Intent();
				intent2.setClass(CalculatorActivity.this, resultActivity.class);
				intent2.putExtra("panduan",puanduan[m] );
				startActivity(intent2);
			}
		});
		}
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.calculator, menu);
		return true;
	}

}

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.RadioGroup.OnCheckedChangeListener;

public class resultActivity extends Activity {
	private TextView number;
	private TextView panduan;
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_result);
		Bundle bundle=getIntent().getExtras();
		Intent intent=getIntent();
		final int i=bundle.getInt("shumu");
		final String []puanduan=new String[i];
		for(int g=0;g<i;g++){
		puanduan[g]=intent.getStringExtra("panduan");
		}
	  	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

}

结果布局代码：

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/RelativeLayout1"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="14dp"
        android:text="@string/result"
        android:textSize="30sp"/>

    <TextView
        android:id="@+id/textView3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignBottom="@+id/textView2"
        android:layout_toRightOf="@+id/textView1"
        android:text="@string/panduan"
        android:textSize="20sp" />

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/textView1"
        android:layout_marginTop="14dp"
        android:layout_toLeftOf="@+id/textView1"
        android:text="@string/number"
        android:textSize="20sp" />

    <TextView
        android:id="@+id/thenumber"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/textView2"
        android:layout_below="@+id/textView2"
        android:layout_marginTop="20dp"
        android:text="TextView" />

    <TextView
        android:id="@+id/sum"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_centerHorizontal="true"
        android:layout_marginBottom="44dp"
        android:text="TextView"
        android:textSize="20sp"/>

    <TextView
        android:id="@+id/panduan"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignBaseline="@+id/thenumber"
        android:layout_alignBottom="@+id/thenumber"
        android:layout_toRightOf="@+id/textView1"
        android:text="TextView" />

</RelativeLayout>

布局截图：