Created
September 26, 2019 16:01
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package me.parzibyte.demostracionrecyclerview; | |
import android.os.Bundle; | |
import android.view.View; | |
import android.widget.Button; | |
import android.widget.EditText; | |
import android.widget.Toast; | |
import androidx.appcompat.app.AppCompatActivity; | |
import androidx.recyclerview.widget.DividerItemDecoration; | |
import androidx.recyclerview.widget.LinearLayoutManager; | |
import androidx.recyclerview.widget.RecyclerView; | |
public class MainActivity extends AppCompatActivity { | |
@Override | |
protected void onCreate(Bundle savedInstanceState) { | |
super.onCreate(savedInstanceState); | |
setContentView(R.layout.activity_main); | |
Button btnAgregar = findViewById(R.id.btnAgregar); | |
Button btnEliminar = findViewById(R.id.btnEliminar); | |
RecyclerView recyclerViewMascotas = findViewById(R.id.recyclerViewMascotas); | |
final EditText editTextNombre = findViewById(R.id.editTextNombre); | |
final EditText editTextEdad = findViewById(R.id.editTextEdad); | |
final EditText editTextIndice = findViewById(R.id.editTextIndice); | |
final AdaptadorRecyclerView adaptadorRecyclerView = new AdaptadorRecyclerView(new InterfazClickRecyclerView() { | |
@Override | |
public void onClick(View v, Mascota m) { | |
Toast.makeText(MainActivity.this, m.toString(), Toast.LENGTH_SHORT).show(); | |
} | |
}); | |
// Configuramos cómo se van a organizar las vistas dentro del RecyclerView; simplemente es un LinearLayout para que | |
// aparezcan una debajo de otra | |
LinearLayoutManager linearLayoutManager = new LinearLayoutManager(MainActivity.this); | |
recyclerViewMascotas.setLayoutManager(linearLayoutManager); | |
// La línea que divide los elementos | |
recyclerViewMascotas.addItemDecoration(new DividerItemDecoration(MainActivity.this, LinearLayoutManager.VERTICAL)); | |
// El adaptador que se encarga de toda la lógica | |
recyclerViewMascotas.setAdapter(adaptadorRecyclerView); | |
// adaptadorRecyclerView.agregarMascota(new Mascota()); | |
btnAgregar.setOnClickListener(new View.OnClickListener() { | |
@Override | |
public void onClick(View v) { | |
String nombre = editTextNombre.getText().toString(); | |
String edad = editTextEdad.getText().toString(); | |
if (nombre.isEmpty() || edad.isEmpty()) { | |
Toast.makeText(MainActivity.this, "Rellena los campos", Toast.LENGTH_SHORT).show(); | |
return; | |
} | |
adaptadorRecyclerView.agregarMascota(new Mascota(nombre, Integer.valueOf(edad))); | |
} | |
}); | |
btnEliminar.setOnClickListener(new View.OnClickListener() { | |
@Override | |
public void onClick(View v) { | |
String indice = editTextIndice.getText().toString(); | |
if (indice.isEmpty()) { | |
Toast.makeText(MainActivity.this, "Escribe el índice", Toast.LENGTH_SHORT).show(); | |
return; | |
} | |
adaptadorRecyclerView.eliminar(Integer.valueOf(indice)); | |
} | |
}); | |
} | |
} |
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