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Fixes #3506: Image height remains zero for some time on bad network #3513

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Merged
merged 5 commits into from
Apr 7, 2020
Merged

Fixes #3506: Image height remains zero for some time on bad network #3513

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88a8a52
optimise width loading
kbhardwaj123 Mar 13, 2020
1dc0dec
amending as per the reviews
kbhardwaj123 Apr 2, 2020
47c1894
aspect ratio updates after layout completion
kbhardwaj123 Apr 7, 2020
39dcc10
MediaDetailFragment: update aspect ratio using onGlobalLayoutListener
kbhardwaj123 Apr 7, 2020
86b7aa5
remove unnecessary imports
kbhardwaj123 Apr 7, 2020
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16 changes: 12 additions & 4 deletions app/src/main/java/fr/free/nrw/commons/media/MediaDetailFragment.java
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Original file line number Diff line number Diff line change
Expand Up @@ -9,11 +9,11 @@
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.TypedValue;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewTreeObserver;
import android.view.ViewTreeObserver.OnGlobalLayoutListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
Expand All @@ -33,7 +33,6 @@

import org.apache.commons.lang3.StringUtils;
import org.wikipedia.util.DateUtil;
import org.wikipedia.util.StringUtil;

import java.util.ArrayList;
import java.util.Date;
Expand Down Expand Up @@ -224,7 +223,15 @@ public void onResume() {
.setVisibility(View.GONE);
}
media = detailProvider.getMediaAtPosition(index);
displayMediaDetails();
scrollView.getViewTreeObserver().addOnGlobalLayoutListener(
new OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
scrollView.getViewTreeObserver().removeOnGlobalLayoutListener(this);
displayMediaDetails();
}
}
);
}

private void displayMediaDetails() {
Expand All @@ -243,7 +250,8 @@ private void displayMediaDetails() {

private void updateAspectRatio(ImageInfo imageInfo) {
if (imageInfo != null) {
int finalHeight = (scrollView.getWidth()*imageInfo.getHeight()) / imageInfo.getWidth();
int screenWidth = scrollView.getWidth();
int finalHeight = (screenWidth*imageInfo.getHeight()) / imageInfo.getWidth();
ViewGroup.LayoutParams params = image.getLayoutParams();
params.height = finalHeight;
image.setLayoutParams(params);
Expand Down