Aula 222 - Criando listagem de contatos customizada

daniloamsilva · Aug 20, 2018 · be40fe6 · be40fe6
1 parent 327f374
commit be40fe6
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Showing 3 changed files with 88 additions and 11 deletions.
diff --git a/app/src/main/java/br/com/whatsappandroid/cursoandroid/whatsapp2/adapter/ContatoAdapter.java b/app/src/main/java/br/com/whatsappandroid/cursoandroid/whatsapp2/adapter/ContatoAdapter.java
@@ -0,0 +1,54 @@
+package br.com.whatsappandroid.cursoandroid.whatsapp2.adapter;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+
+import br.com.whatsappandroid.cursoandroid.whatsapp2.R;
+import br.com.whatsappandroid.cursoandroid.whatsapp2.model.Contato;
+
+public class ContatoAdapter extends ArrayAdapter<Contato> {
+
+    private ArrayList<Contato> contatos;
+    private Context context;
+
+    public ContatoAdapter(Context c, ArrayList<Contato> objects) {
+        super(c, 0, objects);
+        this.contatos = objects;
+        this.context = c;
+    }
+
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+
+        View view = null;
+
+        // Verifica se a lista está vazia
+        if( contatos != null ){
+
+            // inicializar objeto para montagem da view
+            LayoutInflater inflater = (LayoutInflater) context.getSystemService(context.LAYOUT_INFLATER_SERVICE);
+
+            // Monta view a partir do xml
+            view = inflater.inflate(R.layout.lista_contato, parent, false);
+
+            // recupera elemento para exibição
+            TextView nomeContato = view.findViewById(R.id.tv_nome);
+            TextView emailContato = view.findViewById(R.id.tv_email);
+
+            Contato contato = contatos.get( position );
+            nomeContato.setText( contato.getNome());
+            emailContato.setText( contato.getEmail() );
+
+        }
+
+        return view;
+
+    }
+
+}
diff --git a/...rc/main/java/br/com/whatsappandroid/cursoandroid/whatsapp2/fragment/ContatosFragment.java b/...rc/main/java/br/com/whatsappandroid/cursoandroid/whatsapp2/fragment/ContatosFragment.java
@@ -18,6 +18,7 @@
 import java.util.ArrayList;
 
 import br.com.whatsappandroid.cursoandroid.whatsapp2.R;
+import br.com.whatsappandroid.cursoandroid.whatsapp2.adapter.ContatoAdapter;
 import br.com.whatsappandroid.cursoandroid.whatsapp2.config.ConfiguracaoFirebase;
 import br.com.whatsappandroid.cursoandroid.whatsapp2.helper.Preferencias;
 import br.com.whatsappandroid.cursoandroid.whatsapp2.model.Contato;
@@ -29,7 +30,7 @@ public class ContatosFragment extends Fragment {
 
     private ListView listView;
     private ArrayAdapter adapter;
-    private ArrayList<String> contatos;
+    private ArrayList<Contato> contatos;
     private DatabaseReference firebase;
     private ValueEventListener valueEventListenerContatos;
 
@@ -61,11 +62,12 @@ public View onCreateView(LayoutInflater inflater, ViewGroup container,
         View view = inflater.inflate(R.layout.fragment_contatos, container, false);
 
         listView = view.findViewById(R.id.lv_contatos);
-        adapter = new ArrayAdapter(
+        /*adapter = new ArrayAdapter(
                 getActivity(),
                 R.layout.lista_contato,
                 contatos
-        );
+        );*/
+        adapter = new ContatoAdapter(getActivity(), contatos );
         listView.setAdapter(adapter);
 
         Preferencias preferencias = new Preferencias(getActivity());
@@ -85,7 +87,7 @@ public void onDataChange(DataSnapshot dataSnapshot) {
                 //Listar contatos
                 for (DataSnapshot dados: dataSnapshot.getChildren() ){
                     Contato contato = dados.getValue( Contato.class );
-                    contatos.add(contato.getNome());
+                    contatos.add(contato);
                 }
                 adapter.notifyDataSetChanged();
             }

diff --git a/app/src/main/res/layout/lista_contato.xml b/app/src/main/res/layout/lista_contato.xml
@@ -1,10 +1,31 @@
 <?xml version="1.0" encoding="utf-8"?>
-<TextView
+<LinearLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_height="wrap_content"
+    android:layout_height="match_parent"
     android:layout_width="match_parent"
-    android:textColor="@android:color/black"
-    android:textSize="18sp"
-    android:padding="8dp"
-    android:text="Nome"
-    />
+    android:orientation="vertical">
+
+    <TextView
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:id="@+id/tv_nome"
+        android:layout_height="wrap_content"
+        android:layout_width="match_parent"
+        android:textColor="@android:color/black"
+        android:textSize="18sp"
+        android:paddingLeft="8dp"
+        android:paddingRight="8dp"
+        android:paddingTop="8dp"
+        android:text="Nome do Contato"
+        />
+
+    <TextView
+        android:id="@+id/tv_email"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textColor="@android:color/black"
+        android:textSize="14sp"
+        android:paddingLeft="8dp"
+        android:paddingRight="8dp"
+        android:text="contato@email.com.br"/>
+
+</LinearLayout>