@Override
public Object instantiateItem(ViewGroup container, final int position) {
View itemView = mLayoutInflater.inflate(R.layout.pager_item, container, false);
final PhotoView pvComic = (PhotoView) itemView.findViewById(R.id.ivComic);
itemView.setTag(position);
final TextView tvAlt = (TextView) itemView.findViewById(R.id.tvAlt);
if (PrefHelper.altByDefault()) {
tvAlt.setVisibility(View.VISIBLE);
}
tvAlt.setText(PrefHelper.getAlt(sFavorites[position]));
// fix for issue #2
pvComic.setOnDoubleTapListener(
new GestureDetector.OnDoubleTapListener() {
@Override
public boolean onDoubleTap(MotionEvent e) {
if (pvComic.getScale() < 0.5f * pvComic.getMaximumScale()) {
pvComic.setScale(0.5f * pvComic.getMaximumScale(), true);
} else if (pvComic.getScale() < pvComic.getMaximumScale()) {
pvComic.setScale(pvComic.getMaximumScale(), true);
} else {
pvComic.setScale(1.0f, true);
}
return true;
}
@Override
public boolean onSingleTapConfirmed(MotionEvent e) {
if (!PrefHelper.altLongTap()) {
if (PrefHelper.classicAltStyle()) {
toggleVisibility(tvAlt);
} else {
android.support.v7.app.AlertDialog.Builder mDialog =
new android.support.v7.app.AlertDialog.Builder(getActivity());
mDialog.setMessage(tvAlt.getText());
mDialog.show();
}
}
return false;
}
@Override
public boolean onDoubleTapEvent(MotionEvent e) {
if (e.getAction() == MotionEvent.ACTION_UP) {
fingerLifted = true;
}
if (e.getAction() == MotionEvent.ACTION_DOWN) {
fingerLifted = false;
}
return false;
}
});
// Setup alt text and LongClickListener
pvComic.setOnLongClickListener(
new View.OnLongClickListener() {
@Override
public boolean onLongClick(View v) {
if (fingerLifted && PrefHelper.altLongTap()) {
if (PrefHelper.altVibration()) {
Vibrator vi =
(Vibrator) getActivity().getSystemService(MainActivity.VIBRATOR_SERVICE);
vi.vibrate(10);
}
// tvAlt.setText(PrefHelper.getAlt(sFavorites[sFavoriteIndex]));
if (PrefHelper.classicAltStyle()) {
toggleVisibility(tvAlt);
} else {
android.support.v7.app.AlertDialog.Builder mDialog =
new android.support.v7.app.AlertDialog.Builder(getActivity());
mDialog.setMessage(tvAlt.getText());
mDialog.show();
}
}
return true;
}
});
// setup the title text view
TextView tvTitle = (TextView) itemView.findViewById(R.id.tvTitle);
tvTitle.setText(PrefHelper.getTitle(sFavorites[position]));
if (PrefHelper.invertColors()) {
float[] colorMatrix_Negative = {
-1.0f,
0,
0,
0,
255, // red
0,
-1.0f,
0,
0,
255, // green
0,
0,
-1.0f,
0,
255, // blue
0,
0,
0,
1.0f,
0 // alpha
};
ColorFilter cf = new ColorMatrixColorFilter(colorMatrix_Negative);
pvComic.setColorFilter(cf);
}
// load the image
pvComic.setImageBitmap(mComicMap.get(position).getBitmap());
if (Arrays.binarySearch(
mContext.getResources().getIntArray(R.array.large_comics), sFavorites[sFavoriteIndex])
>= 0) {
pvComic.setMaximumScale(7.0f);
}
// Disable ViewPager scrolling when the user zooms into an image
pvComic.setOnMatrixChangeListener(
new PhotoViewAttacher.OnMatrixChangedListener() {
@Override
public void onMatrixChanged(RectF rectF) {
if (pvComic.getScale() > 1.4) {
mPager.setLocked(true);
} else {
mPager.setLocked(false);
}
}
});
container.addView(itemView);
return itemView;
}
