I'm using PagerAdaper for image slide in my app. I want to add listener on it mean if the image show when i click on it it say something. let suppose i have an image of apple now i want to add listener on it when i click on it it say apple. i want to add the same on all raw files.
package com.example.slider;
import android.content.Context;
import android.support.v4.view.PagerAdapter;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
public class ImageAdapter extends PagerAdapter {
private Context mcontext;
private int[] myImages = new int[] {R.raw.one , R.raw.two, R.raw.three,
R.raw.four , R.raw.five , R.raw.six, R.raw.seven, R.raw.eight,
R.raw.nine, R.raw.ten, R.raw.eleven, R.raw.twele , R.raw.thirteen, R.raw.fourteen,
R.raw.fifteen, R.raw.one_image, R.raw.two_image,
R.raw.three_image, R.raw.four_image, R.raw.five_image,
R.raw.six_image, R.raw.seven_image};
ImageAdapter(Context context){
mcontext = context;
}
@Override
public int getCount() {
return myImages.length;
}
@Override
public boolean isViewFromObject(View view, Object o) {
return view == o;
}
@Override
public Object instantiateItem(ViewGroup container, int position) {
ImageView imageView = new ImageView(mcontext);
imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
imageView.setImageResource(myImages[position]);
container.addView(imageView,0);
return imageView;
}
@Override
public void destroyItem(ViewGroup container, int position,Object object) {
container.removeView((ImageView)object);
}
}
There are several different possible solutions. One way to connect each view with its image resource using a HashMap.
public class ImageAdapter extends PagerAdapter {
private Context mcontext;
private int[] myImages = new int[] {R.raw.one , R.raw.two, R.raw.three,
R.raw.four , R.raw.five , R.raw.six, R.raw.seven, R.raw.eight,
R.raw.nine, R.raw.ten, R.raw.eleven, R.raw.twele , R.raw.thirteen, R.raw.fourteen,
R.raw.fifteen, R.raw.one_image, R.raw.two_image,
R.raw.three_image, R.raw.four_image, R.raw.five_image,
R.raw.six_image, R.raw.seven_image};
ImageAdapter(Context context){
mcontext = context;
}
private HashMap<View, Integer> viewToImageResource = new HashMap<>();
private View.OnClickListener clickListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
Integer clickedImageResource = viewToImageResource.get(v);
// Do something with clickedImageResource
}
};
@Override
public int getCount() {
return myImages.length;
}
@Override
public boolean isViewFromObject(View view, Object o) {
return view == o;
}
@Override
public Object instantiateItem(ViewGroup container, int position) {
ImageView imageView = new ImageView(mcontext);
imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
imageView.setImageResource(myImages[position]);
container.addView(imageView,0);
viewToImageResource.put(container, myImages[position]);
container.setOnClickListener(clickListener);
return imageView;
}
@Override
public void destroyItem(ViewGroup container, int position,Object object) {
container.removeView((ImageView)object);
}
}
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