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ViewPagerActivity.java
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ViewPagerActivity.java
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package com.example.caova.viewpager;
import android.support.annotation.NonNull;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageView;
public class ViewPagerActivity extends AppCompatActivity {
public int currentimageindex=0;
ImageView slidingimage;
private int[] IMAGE_IDS = {
R.drawable.baogia,
R.drawable.theodoi,
R.drawable.tiepnhan,
R.drawable.cuochen
};
ViewPager viewPager;
ViewPagerAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_view_pager);
viewPager =findViewById(R.id.viewpager);
adapter = new ViewPagerAdapter();
viewPager.setAdapter(adapter);
}
private class ViewPagerAdapter extends PagerAdapter {
int NumberOfPages = 4;
@Override
public int getCount() {
return NumberOfPages;
}
@Override
public boolean isViewFromObject(@NonNull View view, @NonNull Object o) {
return view == o;
}
@Override
public Object instantiateItem(View container, int position) {
ImageView imageView = new ImageView(ViewPagerActivity.this);
imageView.setImageResource(IMAGE_IDS[position]);
((ViewPager) container).addView(imageView, 0);
return imageView;
}
@Override
public void destroyItem(View container, int position, Object object) {
((ViewPager) container).removeView((View) object);
}
}
}