Pada contoh project berikut ini, misalnya kita membuat sebuah aplikasi yang menampilkan list buah – buahan, pada masing-masing item didalam list tersebut hanya menampilkan Namanya saja, saat user mengklik salah satu nama tersebut, maka akan berpindah pada activity lain yang menampilkan detail dari nama yang diklik tersebut.
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity"
android:background="@color/colorPrimaryDark"
>
>
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_alignParentLeft="true"
android:layout_alignParentBottom="true"
android:layout_marginStart="23dp"
android:layout_marginLeft="23dp"
android:layout_marginBottom="523dp"
android:text="Edit Text"
android:textColor="@color/colorPrimary"
/>
<Button
android:id="@+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_alignParentLeft="true"
android:layout_alignParentBottom="true"
android:layout_marginStart="23dp"
android:layout_marginLeft="23dp"
android:layout_marginBottom="466dp"
android:textColor="@color/colorPrimary"
android:text="ListView" />
<Button
android:id="@+id/button3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_alignParentLeft="true"
android:layout_alignParentBottom="true"
android:layout_marginStart="23dp"
android:layout_marginLeft="23dp"
android:layout_marginBottom="407dp"
android:text="Radio BUtton"
android:textColor="@color/colorPrimary" />
</RelativeLayout>Main Activity.java
package uts.anu;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.content.Intent;
import android.view.View;
import android.widget.Button;
public class MainActivity extends AppCompatActivity {
private Button button;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
button = (Button) findViewById(R.id.button1);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
openEditText();
}
});
button = (Button) findViewById(R.id.button2);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
openListView();
}
});
button = (Button) findViewById(R.id.button3);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
openRadioBtn();
}
});
}
public void openEditText(){
Intent intent = new Intent(this, EditText.class);
startActivity(intent);
}
public void openListView(){
Intent intent = new Intent(this, listpiu.class);
startActivity(intent);
}
public void openRadioBtn(){
Intent intent = new Intent(this, RadioBtn.class);
startActivity(intent);
}
}
ListView.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".listpiu">
<ListView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/simplelist"
/>
</RelativeLayout>
ListView.java
package uts.anu;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;
public class listpiu extends AppCompatActivity {
android.widget.ListView listView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_list_view);
listView = (android.widget.ListView)findViewById(R.id.simplelist);
String[] myList = {"Nasi Putih",
"Nasi Goreng",
"Baso",
"Mie Ayam",
"Mie Aceh",
"Bakmi",
"Kwetia",
"Capcai"};
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, android.R.id.text1, myList);
listView.setAdapter(adapter);
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// TODO Auto-generated method stub
switch(position){
case 0 :
Toast.makeText(listpiu.this, "Enak", Toast.LENGTH_LONG).show();
break;
case 1 :
Toast.makeText(listpiu.this, "Enak Poll", Toast.LENGTH_LONG).show();
break;
case 2 :
Toast.makeText(listpiu.this, "Enaknya Nampol", Toast.LENGTH_LONG).show();
break;
case 3 :
Toast.makeText(listpiu.this, "Luar Biasa", Toast.LENGTH_LONG).show();
break;
case 4 :
Toast.makeText(listpiu.this, "Manteb Pokoknya", Toast.LENGTH_LONG).show();
break;
case 5 :
Toast.makeText(listpiu.this, "Apa Lagi Ini", Toast.LENGTH_LONG).show();
break;
case 6 :
Toast.makeText(listpiu.this, "Ga Kenyang Kenyang", Toast.LENGTH_LONG).show();
break;
case 7 :
Toast.makeText(listpiu.this, "Luar Biasa", Toast.LENGTH_LONG).show();
break;
}
}
});
}
}
Radiobtn.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".RadioBtn">
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="24dp"
android:layout_marginLeft="24dp"
android:layout_marginTop="41dp"
android:text="Nasi Uduk" />
<RadioButton
android:id="@+id/radioButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginStart="24dp"
android:layout_marginLeft="24dp"
android:layout_marginTop="87dp"
android:text="Nasi Padang" />
</RelativeLayout>
radiobtn.java
package uts.anu;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
public class RadioBtn extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_radio_btn);
}
}
editxt.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:background="@color/colorAccent"
android:text="Tugas UTS"/>
</RelativeLayout>
Anugrah Gusti Putra 