Pada postingan ini akan memberikan langkah-langkah mengirim data dari satu activity ke activity lain. postingan ini juga berfungsi untuk memenuhi tugas pada Mata Kuliah Pemrograman Mobile.
Berikut langkah-langkahnya :
1. Buka aplikasi Android Studio
2. Kemudian Buat Project Baru dengan nama Project_1
3. Pada File Res>Layout. Isikan kode berikut pada activity_main.xml atau activity_display_message.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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=".DisplayMessageActivity">
<TextView
android:id="@+id/textView"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:layout_marginEnd="16dp"
android:layout_marginBottom="16dp"
android:text="@string/NIM"
android:textAlignment="center"
android:textColor="@color/colorPrimary"
android:textSize="24sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>
4. Pada file java nya, Buka MainActivity.java, dan isikan kode berikut :
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import static android.provider.AlarmClock.EXTRA_MESSAGE;
public class MainActivity extends AppCompatActivity {
public static Object EXTRA_MESSAGE;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
/**
* Called when the user taps the send button
*/
public void send_Message(View view) {
// Do something in response to button
Intent intent = new Intent(this, DisplayMessageActivity.class);
EditText txtNim = (EditText) findViewById(R.id.editText);
String NIM = txtNim.getText().toString();
intent.putExtra((String) EXTRA_MESSAGE, NIM);
startActivity(intent);
}
}
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import static android.provider.AlarmClock.EXTRA_MESSAGE;
public class MainActivity extends AppCompatActivity {
public static Object EXTRA_MESSAGE;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
/**
* Called when the user taps the send button
*/
public void send_Message(View view) {
// Do something in response to button
Intent intent = new Intent(this, DisplayMessageActivity.class);
EditText txtNim = (EditText) findViewById(R.id.editText);
String NIM = txtNim.getText().toString();
intent.putExtra((String) EXTRA_MESSAGE, NIM);
startActivity(intent);
}
}
5. Pada file Res>Value>Strings.xml Isikan kode berikut :
<resources>
<string name="app_name">Project_1</string>
<string name="edit_message">Enter a message</string>
<string name="button_send">send</string>
<string name="NIM">txtNIM</string>
</resources>
<resources>
<string name="app_name">Project_1</string>
<string name="edit_message">Enter a message</string>
<string name="button_send">send</string>
<string name="NIM">txtNIM</string>
</resources>
Hasil Demo :
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