小学四则运算APP 第一个冲刺 第七天

2022-10-18 19:48:09

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

本次发布的是完成的功能一：

程序代码：

MainActivity代码：

import android.os.Bundle;

import android.app.Activity;

import android.content.Intent;

import android.view.Menu;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

public class MainActivity extends Activity {

	private Button xunlian;

	@Override

	protected void onCreate(Bundle savedInstanceState) {

		super.onCreate(savedInstanceState);

		setContentView(R.layout.activity_main);

		xunlian=(Button)findViewById(R.id.button1);

		xunlian.setOnClickListener(new OnClickListener() {

			@Override

			public void onClick(View arg0) {

				// TODO Auto-generated method stub

				Intent intent=new Intent();

				intent.setClass(MainActivity.this, CalculatorSet.class);

				startActivity(intent);

				MainActivity.this.finish();

			}

		});

	}

	@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;

	}

}

Calculatorset代码：

import android.os.Bundle;

import android.app.Activity;

import android.content.Intent;

import android.view.Menu;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

public class MainActivity extends Activity {

	private Button xunlian;

	@Override

	protected void onCreate(Bundle savedInstanceState) {

		super.onCreate(savedInstanceState);

		setContentView(R.layout.activity_main);

		xunlian=(Button)findViewById(R.id.button1);

		xunlian.setOnClickListener(new OnClickListener() {

			@Override

			public void onClick(View arg0) {

				// TODO Auto-generated method stub

				Intent intent=new Intent();

				intent.setClass(MainActivity.this, CalculatorSet.class);

				startActivity(intent);

				MainActivity.this.finish();

			}

		});

	}

	@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;

	}

}

calculatoractivity代码：

import java.util.Random;

import android.os.Bundle;

import android.app.Activity;

import android.content.Intent;

import android.view.Menu;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.EditText;

import android.widget.TextView;

import android.widget.Toast;

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);

		String c=String.valueOf(num1.nextInt(100));

		i2=Integer.valueOf(c);

		String d=String.valueOf(a);

		String e=String.valueOf(num2.nextInt(100));

		i3=Integer.valueOf(e);

		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++;

				if(i==0){

					Toast.makeText(CalculatorActivity.this,"已经到了了题目个数!",Toast.LENGTH_LONG ).show();

				}

				else{

					String c=String.valueOf(num1.nextInt(100));

					i2=Integer.valueOf(c);

					String d=String.valueOf(a);

					String e=String.valueOf(num2.nextInt(100));

					i3=Integer.valueOf(e);

					text1.setText(c);//随机数1-100

					text2.setText(d);//随机运算符+,-,*,/

					text3.setText(e);//随机数1-100

					answer.setText(null);

				}

			}

		});

		next.setOnClickListener(new OnClickListener() {

			@Override

			public void onClick(View arg0) {

				if(i==0){

				Intent intent=new Intent();

				Bundle bundle2=new Bundle();

				bundle2.putStringArray("panduan", puanduan);

				bundle2.putInt("number", m);

				intent.putExtras(bundle2);

				intent.setClass(CalculatorActivity.this,resultActivity.class);

				startActivity(intent);

				CalculatorActivity.this.finish();

				}

				else

					Toast.makeText(CalculatorActivity.this,"不到题目个数，请继续", Toast.LENGTH_LONG).show();

			}

		});

	}

	@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;

	}

}

resultActivity代码：

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;

	//private TextView sum;

	protected void onCreate(Bundle savedInstanceState) {

		super.onCreate(savedInstanceState);

		setContentView(R.layout.activity_result);

		Bundle bundle=getIntent().getExtras();

		number=(TextView)findViewById(R.id.thenumber);

		panduan=(TextView)findViewById(R.id.pan);

		 int i=bundle.getInt("number");

		 String []puanduan=bundle.getStringArray("panduan");

		 String aa="";

		 String aaa="";

		for(int g=0;g<i;g++){

			aa+=String.valueOf(g+1)+"\n";

			aaa+=puanduan[g]+"\n";

			number.setText(aa);

			panduan.setText(aaa);;

		}

		}

	@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;

	}

}

运行结果：

小学四则运算APP 第一个冲刺 第七天小学四则运算APP 第一个冲刺 第七天小学四则运算APP 第一个冲刺 第七天

上一篇：小学四则运算APP 第一个冲刺 第八天


下一篇：Delphi VclSkin使用教程