Classe DataHelper
Agora o último item a ser alterado é o arquivo tela_1.xml. Ele se encontra em:
res/layout/tela_1.xml
package br.unifenas.agenda; <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <EditText android:id="@+id/editText1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentTop="true" android:ems="10" > <requestFocus /> </EditText> <Button android:id="@+id/addBtn" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/editText1" android:onClick="addUser" android:text="Adicionar" /> <Button android:id="@+id/deleteBtn" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_toRightOf="@+id/addBtn" android:layout_below="@+id/editText1" android:onClick="deleteFirstUser" android:text="Remover" /> <ListView android:id="@android:id/list" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_below="@+id/deleteBtn" > </ListView> </RelativeLayout>