我有ImageButton
在视图中的持有人base adapter
。ImageButton
我在 GetView 中设置了图像。它工作正常。我onClickListener
为此做好了准备ImageButton
。所以,现在当我单击它时,ImageButton
我需要更改它的背景图像ImageButton
。
package com.virtual.applets.moments.adapter;
import java.util.List;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
public class MomentsAdapter extends BaseAdapter {
Context mContext;
LayoutInflater mLayoutInflater;
List<Moments> mReturnDataMomentsList;
private int[] mIcons = { R.drawable.like_grey, R.drawable.dislike_grey, R.drawable.abuse_grey };
private int[] mSelectedIcons = { R.drawable.like_selected, R.drawable.dislike_selected, R.drawable.abuse_selected };
ViewHolder holder;
public MomentsAdapter(FragmentActivity activity, List<Moments> momentsListt) {
this.mContext = activity;
this.mLayoutInflater = (LayoutInflater) activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
this.mReturnDataMomentsList = momentsList;
}
@Override
public int getCount() {
return mReturnDataMomentsList.size();
}
@Override
public Object getItem(int arg0) {
return null;
}
@Override
public long getItemId(int arg0) {
return 0;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
if (convertView == null) {
holder = new ViewHolder();
convertView = mLayoutInflater.inflate(R.layout.moments_custom_screen, null);
holder.mLikeBtn = (ImageButton) convertView.findViewById(R.id.like_btn);
holder.mLikeBtn.setImageResource(mIcons[0]);
holder.mDisLikeBtn.setImageResource(mIcons[1]);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
holder.mLikeBtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
holder.mLikeBtn.setImageResource(mSelectedIcons[0]);
}
});
return convertView;
}
public class ViewHolder {
ImageButton mLikeBtn, mDisLikeBtn, mAbuseBtn, mCommentBtn;
}
}
在片段中,我称这个适配器为
MomentsAdapter momentsAdapter = new MomentsAdapter((FragmentActivity) getActivity(), mReturnDataMomentsList);
mListview.setAdapter(momentsAdapter);