Date post: | 13-Sep-2015 |
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Upload: | cristian-aguilar |
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TUTORIAL
OPERACIONES MATEMTICAS EN ANDROID
activity_main.xml
Change Layout
AbsoluteLayout
On Click Sumar On Click Restar On Click Dividir On Click Multiplicar
CDIGO
package operaMate.example.operamate; import android.os.Bundle; import android.app.Activity; import android.view.Menu; import android.view.View; import android.widget.EditText; import android.widget.TextView; public class MainActivity extends Activity { EditText et1; EditText et2; TextView tvResultado; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); et1= (EditText) findViewById(R.id.etNum1); et2= (EditText) findViewById(R.id.etNum2); tvResultado= (TextView) findViewById(R.id.tvResult); }
Cdigo
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public void sumar (View s){ int Numero1 = Integer.parseInt(et1.getText().toString()); int Numero2 = Integer.parseInt(et2.getText().toString()); int resulta = Numero1 + Numero2; tvResultado.setText(String.valueOf("La Suma es: " + resulta)); } public void Restar (View r){ int Numero1 = Integer.parseInt(et1.getText().toString()); int Numero2 = Integer.parseInt(et2.getText().toString()); int resulta = Numero1 - Numero2; tvResultado.setText(String.valueOf("La Resta es: " + resulta)); } public void Dividir (View d){ int Numero1 = Integer.parseInt(et1.getText().toString()); int Numero2 = Integer.parseInt(et2.getText().toString()); int resulta = Numero1 / Numero2; tvResultado.setText(String.valueOf("La Divicin es: " + resulta)); } public void Multiplicar (View m){ int Numero1 = Integer.parseInt(et1.getText().toString()); int Numero2 = Integer.parseInt(et2.getText().toString()); int resulta = Numero1 * Numero2; tvResultado.setText(String.valueOf("La Multiplicacin es: " + resulta)); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.activity_main, menu); return true; } }
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