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

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* optimise width loading

* amending as per the reviews

* aspect ratio updates after layout completion

* MediaDetailFragment: update aspect ratio using onGlobalLayoutListener

* remove unnecessary imports
This commit is contained in:
Kshitij Bhardwaj 2020-04-07 10:30:24 -04:00 • committed by GitHub
parent c53fcb53cb
commit c82283a014
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1 changed files with 12 additions and 4 deletions
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16
app/src/main/java/fr/free/nrw/commons/media/MediaDetailFragment.java
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@ -9,11 +9,11 @@ import android.net.Uri;
import android.os.Bundle; import android.os.Bundle;
import android.text.Editable; import android.text.Editable;
import android.text.TextWatcher; import android.text.TextWatcher;
import android.util.TypedValue;
import android.view.LayoutInflater; import android.view.LayoutInflater;
import android.view.View; import android.view.View;
import android.view.ViewGroup; import android.view.ViewGroup;
import android.view.ViewTreeObserver; import android.view.ViewTreeObserver;
import android.view.ViewTreeObserver.OnGlobalLayoutListener;
import android.widget.ArrayAdapter; import android.widget.ArrayAdapter;
import android.widget.Button; import android.widget.Button;
import android.widget.EditText; import android.widget.EditText;
@ -33,7 +33,6 @@ import com.facebook.imagepipeline.request.ImageRequest;
import org.apache.commons.lang3.StringUtils; import org.apache.commons.lang3.StringUtils;
import org.wikipedia.util.DateUtil; import org.wikipedia.util.DateUtil;
import org.wikipedia.util.StringUtil;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Date; import java.util.Date;
@ -224,7 +223,15 @@ public class MediaDetailFragment extends CommonsDaggerSupportFragment {
.setVisibility(View.GONE); .setVisibility(View.GONE);
} }
media = detailProvider.getMediaAtPosition(index); media = detailProvider.getMediaAtPosition(index);
displayMediaDetails(); scrollView.getViewTreeObserver().addOnGlobalLayoutListener(
new OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
scrollView.getViewTreeObserver().removeOnGlobalLayoutListener(this);
displayMediaDetails();
}
}
);
} }
private void displayMediaDetails() { private void displayMediaDetails() {
@ -243,7 +250,8 @@ public class MediaDetailFragment extends CommonsDaggerSupportFragment {
private void updateAspectRatio(ImageInfo imageInfo) { private void updateAspectRatio(ImageInfo imageInfo) {
if (imageInfo != null) { 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(); ViewGroup.LayoutParams params = image.getLayoutParams();
params.height = finalHeight; params.height = finalHeight;
image.setLayoutParams(params); image.setLayoutParams(params);