Membuat ImageSlider dengan Android Studio
Aug 26, 2017
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kedua buat ViewPager
<?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:id="@+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="id.giviews.imageslider.MainActivity">
<android.support.v4.view.ViewPager
android:id="@+id/viewPager"
android:layout_width="match_parent"
android:layout_height="150dp"/>
</RelativeLayout>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="id.giviews.imageslider.MainActivity">
<android.support.v4.view.ViewPager
android:id="@+id/viewPager"
android:layout_width="match_parent"
android:layout_height="150dp"/>
</RelativeLayout>
ketiga bikin layout baru dengan nama custom_layout, didalamnya tambahkan imageview untuk menampung gambar slidernya nanti.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="@+id/imageView"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
keempat buat class baru viewPagerAdapter di java
package id.giviews.imageslider;
import android.content.Context;
import android.support.v4.view.LayoutInflaterCompat;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
/**
* Created by asus on 18/07/2017.
*/
public class ViewPagerAdapter extends PagerAdapter{
private Context context;
private LayoutInflater layoutInflater;
private Integer[] images = {R.drawable.slide1, R.drawable.slide2, R.drawable.slide3};
public ViewPagerAdapter(Context context) {
this.context = context;
}
@Override
public int getCount() {
return images.length;
}
@Override
public boolean isViewFromObject(View view, Object object) {
return view == object;
}
@Override
public Object instantiateItem(ViewGroup container, int position) {
layoutInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View view = layoutInflater.inflate(R.layout.custom_layout, null);
ImageView imageView = (ImageView) view.findViewById(R.id.imageView);
imageView.setImageResource(images[position]);
ViewPager vp = (ViewPager) container;
vp.addView(view, 0);
return view;
}
@Override
public void destroyItem(ViewGroup container, int position, Object object) {
ViewPager vp = (ViewPager) container;
View view = (View) object;
vp.removeView(view);
}
}
kelima ubah script MainActivity seperti berikut
package id.giviews.imageslider;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import java.util.Timer;
import java.util.TimerTask;
public class MainActivity extends AppCompatActivity {
ViewPager viewPager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
viewPager = (ViewPager) findViewById(R.id.viewPager);
ViewPagerAdapter viewPagerAdapter = new ViewPagerAdapter(this);
viewPager.setAdapter(viewPagerAdapter);
Timer timer = new Timer();
timer.scheduleAtFixedRate(new MyTimerTask(), 2000, 4000);
}
public class MyTimerTask extends TimerTask{
@Override
public void run() {
MainActivity.this.runOnUiThread(new Runnable() {
@Override
public void run() {
if (viewPager.getCurrentItem() == 0) {
viewPager.setCurrentItem(1);
}else if (viewPager.getCurrentItem() == 1) {
viewPager.setCurrentItem(2);
}else {
viewPager.setCurrentItem(0);
}
}
});
}
}
}
Selanjutnya jalankan aplikasinya jika slidernya nampil berarti aplikasi anda telah berhasil, jika ada yang error silakan ditanyakan pada kolom komentar dibawah. jika artikel ini bermanfaat silakan share ke teman anda. terimakasih sudah berkunjung ke blog kami.
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