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TRANSCRIPT
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Cetis 109
Diuxy Nahum Baez
Nava del Angel José
Alva Pumarejo Miguel
4°AM "Programación«
Desarrollo de Aplicaciones Móviles
Margarita Romero Alvarado
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PRIMERO CREAMOS UN PROYECTO DE APLICACIÓN ANDROID
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LE DAMOS UN NOMBRE A NUESTRA NUEVA APLICACIÓN DE ANDROID EN ESTE CASO “SUMA_DE _DOS_NUMEROS”
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COMO PRIMER PASO ELIMINAREMOS EL “Hello world”
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VAMOS A INSERTAR UNTEXTVIEW QUE ESTA DENTRO DE LA PESTAÑA FORM WIDGET
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CREAMOS UN PLAIN TEXT
CAMBIAMOS el editText POR et1
LE DAMOS “YES”
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NUEVO NOMBRE et1 Y LUEGO LE DAMOS “OK”
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CREAMOS UN SEGUNDO TEXTVIEW
CREAMOS UN SEGUNDO PLAIN TEXT
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public void restar(View view) { EditText et1=(EditText)findViewById(R.id.et1); EditText et2=(EditText)findViewById(R.id.et2); TextView tv3=(TextView)findViewById(R.id.tv3); int nro1=Integer.parseInt(et1.getText().toString()); int nro2=Integer.parseInt(et2.getText().toString()); int restar=nro1-nro2; tv3.setText(String.valueOf(restar));
Para los demás programas (suma, multiplicacion, division) solo tenemos que cambiar el código ejemplo: