java

1. CETIS 109
ALUMNO:MARTINEZESCAMILLA
GIBRAN JALIL
MATERIA: DESARROLLA
APLICACIONES MOVILES
MAC. MARGARITA ROMERO
HOLA MUNDO (CODIFICACION)

2. packagecom.example.holamundo;
importandroid.os.Bundle;
importandroid.app.Activity;
importandroid.view.Menu;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
publicbooleanonCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds itemsto the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
PROGRAMA 2 (CODIFICACION)
package com.example.programa2;

3. importandroid.os.Bundle;
importandroid.app.Activity;
importandroid.view.Menu;
importandroid.view.View;
importandroid.widget.TextView;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
publicbooleanonCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds itemsto the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
public void sumar(View view){
EditText et1=(EditText) findViewById (R.id.num1);

4. EditText et2=(EditText) findViewById (R.id.num2);
TextView sol=(TextView) findViewById (R.id.res);
double n1=Double.parseDouble(et1.getText().toString());
double n2=Double.parseDouble(et2.getText().toString());
double r;
r=n1+n2
sol.setText(String.valueOf("El resultado de"+n1+"+"+n2+" = "+r));
}
}