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Entrada Intents
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final int RC_OTRA = 1; | |
// Hacemos la llamada, por ejemplo, al hacer click en un botón. | |
public void onClick(View view) { | |
// Se usa el método estático de OtraActivity para iniciar dicha | |
// actividad pasándole los argumentos necesarios (extra dni) y | |
// el código de petición RC_OTRA. | |
OtraActivity.startForResult(MainActivity.this, RC_OTRA, "66666666R"); | |
} |
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@Override | |
protected void onCreate(Bundle savedInstanceState) { | |
//... | |
Intent intencion = getIntent(); | |
Bundle extras = intencion.getExtras(); | |
String dni = extras.getString("dni"); | |
//... | |
} |
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@Override | |
public void finish() { | |
//... | |
Intent resultado = new Intent(); | |
resultado.putExtra("nombre", "Baldomero"); | |
setResult(RESULT_OK, resultado); | |
//... | |
super.finish(); | |
} |
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@Override | |
protected void onActivityResult(int requestCode, int resultCode, Intent data) { | |
if (resultCode == RESULT_OK && requestCode == RC_OTRA) { | |
if (data.hasExtra("nombre")) { | |
// Procesamos el resultado (en este caso el nombre). | |
} | |
} | |
//... | |
} |
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final int RC_OTRA = 1; | |
// Hacemos la llamada, por ejemplo, al hacer click en un botón. | |
public void onClick(View view) { | |
Intent intencion = new Intent(this, OtraActivity.class); | |
intencion.putExtra("dni", "66666666R"); | |
startActivityForResult(intencion, RC_OTRA); | |
} |
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<activity | |
android:name=".AlumnoActivity" | |
android:label="@string/app_name" > | |
<intent-filter> | |
<action android:name="es.iessaladillo.gestion.EDIT_STUDENT" /> | |
<action android:name="es.iessaladillo.gestion.SHOW_STUDENT" /> | |
<action android:name="es.iessaladillo.gestion.NEW_STUDENT" /> | |
</intent-filter> | |
</activity> |
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<activity | |
android:name=".SabeEnviarActivity" | |
android:label="@string/app_name" > | |
<intent-filter> | |
<action android:name="android.intent.action.SEND" /> | |
</intent-filter> | |
</activity> |
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Intent intencion = new Intent(MainActivity.this, OtraActivity.class); | |
intencion.putExtra("nombre", "Baldomero"); | |
intencion.putExtra("edad", 18); | |
startActivity(intencion); |
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Intent intencion = new Intent(Intent.ACTION_VIEW, Uri.parse("http://www.iessaladillo.es")); |
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Intent intencion = new Intent(Intent.ACTION_SEND); | |
intencion.setType("text/plain"); | |
intencion.putExtra(android.content.Intent.EXTRA_TEXT, "Hola a todos"); |
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Intent intencion = getIntent(); | |
if (intencion != null) { | |
Bundle extras = intencion.getExtras(); | |
if (extras != null) { | |
if (intencion.hasExtra("nombre") { | |
String nombre = extras.getString("nombre"); | |
{ | |
if (extras.hasExtra("edad") { | |
int edad = extras.getInt("edad"); | |
} | |
// Hacer algo con los datos nombre y edad. | |
} | |
} |
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public class OtraActivity extends AppCompatActivity { | |
// Constantes. | |
private static final String EXTRA_NOMBRE = "nombre"; | |
private static final String EXTRA_EDAD = "edad"; | |
... | |
// Método estático para iniciar la actividad (sin esperar resultado) | |
public static void start(Context contexto, String nombre, int edad) { | |
Intent intencion = new Intent(contexto, OtraActivity.class); | |
intencion.putExtra(EXTRA_NOMBRE, nombre); | |
intencion.putExtra(EXTRA_EDAD, edad); | |
contexto.startActivity(intencion); | |
} | |
// Método estático para iniciar la actividad (esperando un resultado). | |
public static void startForResult(Actividad actividad, int requestCode, String nombre, int edad) { | |
Intent intencion = new Intent(actividad, OtraActivity.class); | |
intencion.putExtra(EXTRA_NOMBRE, nombre); | |
intencion.putExtra(EXTRA_EDAD, edad); | |
actividad.startActivityForResult(intencion, requestCode); | |
} | |
... | |
} |
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// Desde la actividad MainActivity... | |
// Se llama a OtraActivity usando su método estático. | |
OtraActivity.start(MainActivity.this, "Baldomero", 18); | |
// Si fuera esperando respuesta se haría | |
OtraActivity.startForResult(MainActivity.this, RC_OTRA, "Baldomero", 18); |
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