public MovieDataCustomAdapter(Context c, ArrayList<MoviePosterdata> movieDataList) {
// set member variables
this.mContext = c;
this.mMovieDataList = movieDataList;
mPosterImageSize = RunningDeviceProps.getImgSizeToBeQueried();
mMoviePosterBaseURL = CommonGlobalObjects.getMoviePosterBaseURL();
}
private void setErrorDrawable() {
try {
// get Place holder image from Drawable
Bitmap errorBMP = BitmapFactory.decodeResource(mContext.getResources(), R.drawable.error);
Bitmap resizedErrorBMP =
Bitmap.createScaledBitmap(
errorBMP,
RunningDeviceProps.getMoviePosterResizeWidth(),
RunningDeviceProps.getMoviePosterResizeHeight(),
true);
mErrorDrawable = new BitmapDrawable(mContext.getResources(), resizedErrorBMP);
} catch (Exception e) {
String errMsg =
CommonGlobalObjects.constructErrorMsg(
"Generic Exception", "setErrorDrawable", e.getMessage());
Log.e(MOVIE_ADAPATER_LOG_TAG, errMsg);
}
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
try {
ImageView moviePosterImgView;
/*
* the path retrieved in the json is relative to the movie poster, so we need to manipulate it,
* we need to append a base path ahead of this relative path to build the complete url
* so, get path value from the MovieInfo instance at the position that is passed in
* and construct the full url to the poster
* */
String posterURL;
posterURL =
mMoviePosterBaseURL
+ mPosterImageSize
+ mMovieDataList.get(position).getMoviePosterPath();
if (convertView == null) {
// ImgaeView getting created for the first time
moviePosterImgView = new ImageView(mContext);
moviePosterImgView.setLayoutParams(
new GridView.LayoutParams(
RunningDeviceProps.getMoviePosterImgViewWidth(),
RunningDeviceProps.getMoviePosterImgViewHeight()));
// read padding value from global class and set it on the ImageView
int imgViewPadding = RunningDeviceProps.getPosterImgViewPadding();
moviePosterImgView.setPadding(
imgViewPadding, imgViewPadding, imgViewPadding, imgViewPadding);
} else {
// system sent the recycled image view
moviePosterImgView = (ImageView) convertView;
}
// arratch the Movie Id as a Tag, so that it can be referred in detail activity
moviePosterImgView.setTag(mMovieDataList.get(position).getMovieIDInAPI());
// set the Place holder image from Drawable if not set already
if (mPlaceHolderDrawable == null) {
setPlaceHolderDrawable();
}
// set the Place holder image from Drawable if not set already
if (mErrorDrawable == null) {
setErrorDrawable();
}
// load image into the movie poster image view using Picasso
Picasso.with(mContext)
.load(posterURL)
.placeholder(mPlaceHolderDrawable)
.error(mErrorDrawable)
.resize(
RunningDeviceProps.getMoviePosterResizeWidth(),
RunningDeviceProps.getMoviePosterResizeHeight())
.into(moviePosterImgView);
// moviePosterImgView.setImageResource(R.drawable.sample_0);
return moviePosterImgView;
} catch (NullPointerException e) {
String errMsg =
CommonGlobalObjects.constructErrorMsg(
"Null Pointer Exception", "getView()", e.getMessage());
Log.e(MOVIE_ADAPATER_LOG_TAG, errMsg);
return null;
} catch (Exception e) {
String errMsg =
CommonGlobalObjects.constructErrorMsg("Generic Exception", "getView()", e.getMessage());
Log.e(MOVIE_ADAPATER_LOG_TAG, errMsg);
return null;
}
}