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- import android.R.integer;
- import android.R.string;
- import android.app.Activity;
- import android.os.Bundle;
- import android.view.View;
- import android.widget.Button;
- import android.widget.EditText;
- import android.widget.TextView;
- import android.widget.Toast;
- public class MainActivity extends Activity {
- public EditText display;
- TextView edt;
- Integer c,d,r,b;
- String a="0",aa;
- Button b1,b2,b3,b4,b5,b6,b7,b8,b9,b10,b11,b12,b13,b14,b15,b16;
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
- edt=(EditText)findViewById(R.id.editText1);
- b1=(Button)findViewById(R.id.button1);
- b2=(Button)findViewById(R.id.button2);
- b3=(Button)findViewById(R.id.button3);
- b4=(Button)findViewById(R.id.button4);
- b5=(Button)findViewById(R.id.button5);
- b6=(Button)findViewById(R.id.button6);
- b7=(Button)findViewById(R.id.button7);
- b8=(Button)findViewById(R.id.button8);
- b9=(Button)findViewById(R.id.button9);
- b10=(Button)findViewById(R.id.button0);
- b11=(Button)findViewById(R.id.button11);
- b12=(Button)findViewById(R.id.button12);
- b13=(Button)findViewById(R.id.button13);
- b14=(Button)findViewById(R.id.button14);
- b15=(Button)findViewById(R.id.button15);
- b16=(Button)findViewById(R.id.button16);
- b1.setOnClickListener(new View.OnClickListener() {
- public void onClick(View v) {
- // TODO Auto-generated method stub
- a=edt.getText().toString();
- a=a+"1";
- edt.setText(a);
- }
- });
- b2.setOnClickListener(new View.OnClickListener()
- {
- public void onClick(View v) {
- // TODO Auto-generated method stub
- a=edt.getText().toString();
- a=a+"2";
- edt.setText(a);
- }
- });
- b3.setOnClickListener(new View.OnClickListener()
- {
- public void onClick(View v) {
- a=edt.getText().toString();
- a=a+"3";
- edt.setText(a);
- }
- });
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