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IT/Android

[Android] 테이블 레이아웃을 활용한 계산기 앱 만들기

긍정탁 2017. 7. 24. 14:17 


소스코드

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package com.example.sh415.project4_1;
 
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
 
import static com.example.sh415.project4_1.R.id.btn0;
import static com.example.sh415.project4_1.R.id.btn1;
import static com.example.sh415.project4_1.R.id.btn2;
import static com.example.sh415.project4_1.R.id.btn3;
import static com.example.sh415.project4_1.R.id.btn4;
import static com.example.sh415.project4_1.R.id.btn5;
import static com.example.sh415.project4_1.R.id.btn6;
import static com.example.sh415.project4_1.R.id.btn7;
import static com.example.sh415.project4_1.R.id.btn8;
import static com.example.sh415.project4_1.R.id.btn9;
 
public class TabActivity extends AppCompatActivity {
 
    EditText num1, num2;
    Button Add,Sub,Multi,Div;
    Button bbtn0;
    Button bbtn1;    TextView result;
    Button bbtn2;
    Button bbtn3;
    Button bbtn4;
    Button bbtn5;
    Button bbtn6;
    Button bbtn7;
    Button bbtn8;
    Button bbtn9;
    String strnum1,strnum2;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
 
        super.onCreate(savedInstanceState);
        setContentView(R.layout.testtable);
 
        num1 = (EditText)findViewById(R.id.num1);
        num2= (EditText)findViewById(R.id.num2);
        Add = (Button)findViewById(R.id.btnAdd);
        Sub = (Button)findViewById(R.id.btnSub);
        Multi = (Button)findViewById(R.id.btnMulti);
        Div = (Button)findViewById(R.id.btnDiv);
        result = (TextView)findViewById(R.id.result);
        bbtn0 = (Button)findViewById(btn0);
        bbtn1 = (Button)findViewById(btn1);
        bbtn2 = (Button)findViewById(btn2);
        bbtn3 = (Button)findViewById(btn3);
        bbtn4 = (Button)findViewById(btn4);
        bbtn5 = (Button)findViewById(btn5);
        bbtn6 = (Button)findViewById(btn6);
        bbtn7 = (Button)findViewById(btn7);
        bbtn8 = (Button)findViewById(btn8);
        bbtn9 = (Button)findViewById(btn9);
 
 
 
        bbtn0.setOnClickListener(new View.OnClickListener(){
            public void  onClick(View v){
                if(num1.isFocused() == true)
                {
                    strnum1 = num1.getText().toString()
                            + bbtn0.getText().toString();
                    num1.setText(strnum1);
                }
                else if(num2.isFocused() == true)
                {
                    strnum2 = num2.getText().toString()
                            + bbtn0.getText().toString();
                    num2.setText(strnum2);
                }
                else{
                    Toast.makeText(getApplicationContext(),"먼저 에디트를 선택하세요",Toast.LENGTH_LONG).show();
                }
            }
             }
        );
        bbtn1.setOnClickListener(new View.OnClickListener(){
                                     public void  onClick(View v){
                                         if(num1.isFocused() == true)
                                         {
                                             strnum1 = num1.getText().toString()
                                                     + bbtn1.getText().toString();
                                             num1.setText(strnum1);
                                         }
                                         else if(num2.isFocused() == true)
                                         {
                                             strnum2 = num2.getText().toString()
                                                     + bbtn1.getText().toString();
                                             num2.setText(strnum2);
                                         }
                                         else{
                                             Toast.makeText(getApplicationContext(),"먼저 에디트를 선택하세요",Toast.LENGTH_LONG).show();
                                         }
                                     }
                                 }
        );
        bbtn2.setOnClickListener(new View.OnClickListener(){
                                     public void  onClick(View v){
                                         if(num1.isFocused() == true)
                                         {
                                             strnum1 = num1.getText().toString()
                                                     + bbtn2.getText().toString();
                                             num1.setText(strnum1);
                                         }
                                         else if(num2.isFocused() == true)
                                         {
                                             strnum2 = num2.getText().toString()
                                                     + bbtn2.getText().toString();
                                             num2.setText(strnum2);
                                         }
                                         else{
                                             Toast.makeText(getApplicationContext(),"먼저 에디트를 선택하세요",Toast.LENGTH_LONG).show();
                                         }
                                     }
                                 }
        );
        bbtn3.setOnClickListener(new View.OnClickListener(){
                                     public void  onClick(View v){
                                         if(num1.isFocused() == true)
                                         {
                                             strnum1 = num1.getText().toString()
                                                     + bbtn3.getText().toString();
                                             num1.setText(strnum1);
                                         }
                                         else if(num2.isFocused() == true)
                                         {
                                             strnum2 = num2.getText().toString()
                                                     + bbtn3.getText().toString();
                                             num2.setText(strnum2);
                                         }
                                         else{
                                             Toast.makeText(getApplicationContext(),"먼저 에디트를 선택하세요",Toast.LENGTH_LONG).show();
                                         }
                                     }
                                 }
        );
        bbtn4.setOnClickListener(new View.OnClickListener(){
                                     public void  onClick(View v){
                                         if(num1.isFocused() == true)
                                         {
                                             strnum1 = num1.getText().toString()
                                                     + bbtn4.getText().toString();
                                             num1.setText(strnum1);
                                         }
                                         else if(num2.isFocused() == true)
                                         {
                                             strnum2 = num2.getText().toString()
                                                     + bbtn4.getText().toString();
                                             num2.setText(strnum2);
                                         }
                                         else{
                                             Toast.makeText(getApplicationContext(),"먼저 에디트를 선택하세요",Toast.LENGTH_LONG).show();
                                         }
                                     }
                                 }
        );
        bbtn5.setOnClickListener(new View.OnClickListener(){
                                     public void  onClick(View v){
                                         if(num1.isFocused() == true)
                                         {
                                             strnum1 = num1.getText().toString()
                                                     + bbtn5.getText().toString();
                                             num1.setText(strnum1);
                                         }
                                         else if(num2.isFocused() == true)
                                         {
                                             strnum2 = num2.getText().toString()
                                                     + bbtn5.getText().toString();
                                             num2.setText(strnum2);
                                         }
                                         else{
                                             Toast.makeText(getApplicationContext(),"먼저 에디트를 선택하세요",Toast.LENGTH_LONG).show();
                                         }
                                     }
                                 }
        );
        bbtn6.setOnClickListener(new View.OnClickListener(){
                                     public void  onClick(View v){
                                         if(num1.isFocused() == true)
                                         {
                                             strnum1 = num1.getText().toString()
                                                     + bbtn6.getText().toString();
                                             num1.setText(strnum1);
                                         }
                                         else if(num2.isFocused() == true)
                                         {
                                             strnum2 = num2.getText().toString()
                                                     + bbtn6.getText().toString();
                                             num2.setText(strnum2);
                                         }
                                         else{
                                             Toast.makeText(getApplicationContext(),"먼저 에디트를 선택하세요",Toast.LENGTH_LONG).show();
                                         }
                                     }
                                 }
        );
        bbtn7.setOnClickListener(new View.OnClickListener(){
                                     public void  onClick(View v){
                                         if(num1.isFocused() == true)
                                         {
                                             strnum1 = num1.getText().toString()
                                                     + bbtn7.getText().toString();
                                             num1.setText(strnum1);
                                         }
                                         else if(num2.isFocused() == true)
                                         {
                                             strnum2 = num2.getText().toString()
                                                     + bbtn7.getText().toString();
                                             num2.setText(strnum2);
                                         }
                                         else{
                                             Toast.makeText(getApplicationContext(),"먼저 에디트를 선택하세요",Toast.LENGTH_LONG).show();
                                         }
                                     }
                                 }
        );
        bbtn8.setOnClickListener(new View.OnClickListener(){
                                     public void  onClick(View v){
                                         if(num1.isFocused() == true)
                                         {
                                             strnum1 = num1.getText().toString()
                                                     + bbtn8.getText().toString();
                                             num1.setText(strnum1);
                                         }
                                         else if(num2.isFocused() == true)
                                         {
                                             strnum2 = num2.getText().toString()
                                                     + bbtn8.getText().toString();
                                             num2.setText(strnum2);
                                         }
                                         else{
                                             Toast.makeText(getApplicationContext(),"먼저 에디트를 선택하세요",Toast.LENGTH_LONG).show();
                                         }
                                     }
                                 }
        );
        bbtn9.setOnClickListener(new View.OnClickListener(){
                                     public void  onClick(View v){
                                         if(num1.isFocused() == true)
                                         {
                                             strnum1 = num1.getText().toString()
                                                     + bbtn9.getText().toString();
                                             num1.setText(strnum1);
                                         }
                                         else if(num2.isFocused() == true)
                                         {
                                             strnum2 = num2.getText().toString()
                                                     + bbtn9.getText().toString();
                                             num2.setText(strnum2);
                                         }
                                         else{
                                             Toast.makeText(getApplicationContext(),"먼저 에디트를 선택하세요",Toast.LENGTH_LONG).show();
                                         }
                                     }
                                 }
        );
 
 
 
 
 
        Add.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                result.setText("계산 결과는 :" + (Integer.parseInt(num1.getText().toString())+Integer.parseInt(num2.getText().toString())));
            }
        });
       Sub.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                result.setText("계산 결과는 :" + (Integer.parseInt(num1.getText().toString())-Integer.parseInt(num2.getText().toString())));
            }
        });
        Multi.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                result.setText("계산 결과는 :" + (Integer.parseInt(num1.getText().toString())*Integer.parseInt(num2.getText().toString())));
            }
        });
        Div.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                
                result.setText("계산 결과는 :" + (Integer.parseInt(num1.getText().toString())/Integer.parseInt(num2.getText().toString())));
            }
        });
 
    }
}
 
cs



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