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：
