我是新東西,所以我希望它不是一個荒謬的問題... 我有一個列表視圖,所有項目包括視頻,numOfLikes(textview),喜歡和不喜歡(鈕釦)。 當我點擊喜歡或不喜歡按鈕時,我嘗試更改按鈕的背景,但它會更改列表視圖中所有喜歡/不喜歡按鈕的背景。更改ListView和CustomAdapter中的按鈕背景
當我嘗試啓用不喜歡按鈕的同時,當我點擊類似按鈕時,會禁用列表中的所有不喜歡按鈕。
代碼:
public class FeedAdapter extends ArrayAdapter<Feed> {
Context context;
ArrayList<Feed> feedsList;
ArrayList<String> listOfItems;
Dialog dialog;
public FeedAdapter(Context context, int resource, ArrayList<Feed> feeds) {
super(context, resource, feeds);
this.context = context;
this.feedsList = feeds;
}
public FeedAdapter(Context context, ArrayList<Feed> feeds){
super(context, R.layout.feed_listitem, feeds);
this.context = context;
this.feedsList = feeds;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
final FeedHolder holder;
if(convertView == null){
convertView = LayoutInflater.from(context).inflate(R.layout.feed_listitem, parent, false);
holder = new FeedHolder();
holder.titleTextView = (TextView) convertView.findViewById(R.id.feed_title_textView);
holder.usernameTextView = (TextView) convertView.findViewById(R.id.feed_name_textview);
holder.likesTextView = (TextView) convertView.findViewById(R.id.feed_likes_textview);
holder.likeButton = (Button) convertView.findViewById(R.id.feed_like_button);
holder.unlikeButton = (Button) convertView.findViewById(R.id.feed_unlike_button);
holder.video = (VideoView) convertView.findViewById(R.id.feed_post_videoView);
holder.frameLayout = (FrameLayout) convertView.findViewById(R.id.feed_placeholder_framelayout);
holder.frameLayout.setTag(holder.video);
holder.likeButton.setTag(holder.unlikeButton);
holder.unlikeButton.setTag(holder.likeButton);
convertView.setTag(holder);
} else{
holder = (FeedHolder) convertView.getTag();
holder.frameLayout.setTag(holder.video);
holder.likeButton.setTag(holder.unlikeButton);
holder.unlikeButton.setTag(holder.likeButton);
}
holder.titleTextView.setText(feedsList.get(position).getTitle());
holder.usernameTextView.setText(feedsList.get(position).getUsername());
holder.likesTextView.setText(TrendliContract.showNumInNumK(feedsList.get(position).getLikesInLong()));
holder.titleTextView.setTypeface(TrendliContract.helvetica);
holder.usernameTextView.setTypeface(TrendliContract.helvetica);
holder.likesTextView.setTypeface(TrendliContract.helvetica);
holder.frameLayout.setBackground(feedsList.get(position).getDrawable());
holder.video.setVisibility(View.INVISIBLE);
holder.video.setMediaController(new MediaController(context));
holder.video.setVideoURI(Uri.parse(feedsList.get(position).getVideoImageGif()));
holder.video.setLayoutParams(new FrameLayout.LayoutParams(TrendliContract.screenW,
TrendliContract.screenW));
postImageViewOnClickListener(holder);
holder.likeButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Feed f = feedsList.get(position);
//Button b = ((Button) v.getTag());
if(f.isLikePressed() == false){
new TrendliContract.Like().execute(f);
f.setLikePressed(true);
int numOfLikes = Integer.parseInt(holder.likesTextView.getText().
toString().replace(" ", ""));
holder.likesTextView.setText(String.valueOf(++numOfLikes));
//v.setBackgroundColor(R.color.black);
//b.setEnabled(false);
} else{
new TrendliContract.UnLike().execute(f);
f.setLikePressed(false);
int numOfLikes = Integer.parseInt(holder.likesTextView.getText().
toString().replace(" ", ""));
holder.likesTextView.setText(String.valueOf(--numOfLikes));
//v.setBackgroundColor(R.color.transparent);
//b.setEnabled(true);
}
}
});
holder.unlikeButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Feed f = feedsList.get(position);
//Button b = ((Button) v.getTag());
if(f.isDislikePressed() == false){
new TrendliContract.DisLike().execute(f);
f.setDislikePressed(true);
int numOfLikes = Integer.parseInt(holder.likesTextView.getText().toString().replace(" ", ""));
holder.likesTextView.setText(String.valueOf(--numOfLikes));
//v.setBackgroundColor(R.color.black);
//b.setEnabled(false);
} else{
new TrendliContract.UnDisLike().execute(f);
f.setDislikePressed(false);
int numOfLikes = Integer.parseInt(holder.likesTextView.getText().toString().replace(" ", ""));
holder.likesTextView.setText(String.valueOf(++numOfLikes));
//v.setBackgroundColor(R.color.transparent);
//b.setEnabled(true);
}
}
});
convertView.setTag(holder);
return convertView;
}
private class FeedHolder{
TextView titleTextView;
TextView usernameTextView;
TextView likesTextView;
Button likeButton;
Button unlikeButton;
VideoView video;
FrameLayout frameLayout;
}
}
謝謝!你幫了我很多! – OShiffer 2014-09-03 11:15:04
很高興幫助。歡迎您:) – semsamot 2014-09-03 12:18:22
它不會對getView中的setEnabled應用任何更改 – 2017-05-08 11:21:58