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'Real' Android programming

Grace Tangarine Mobile Applications Diploma Inglés 2 fichas

Fichas del conjunto (2)

1Steps to implement (fully-functional) radiobutton?1. Define radio group & buttons in xml
2. Declare in .java (RadioGroup, RadioButton)
3. findViewById
4. setOnCheckedChangeListener
2Methods to pass data from 1 activity to another?-Intent
//1st activity
private String toPass = "";
Intent i = new Intent(getApplicationContext(), NewActivity.class);
i.putExtra("new_variable_name", );
startActivity(i);
//retrieve those values in new activity
Bundle extras = getIntent().getExtras();
if(extras != null) {
String value = extras.getString("new_variable_name");
txt.setText(value); //optional; txt is a TextView object
}

Descripción: Diploma (Android Concepts) Mobile Applications Fichas sobre 'Real' Android programming, creado por Grace Tangarine el 21/08/2014.
Creado por: Grace Tangarine
Visitas: 19
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