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Code Issues Projects Releases Packages Wiki Activity Actions 1

Fixes #3479: Implement Progress Bar for Zoom Activity (#3481)

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* ZoomableActivity: add hierarchy to view for displaying progress bar

* CircularProgressBar: circular progress bar for ZoomableDraweeView

* ZoomableActivity: add indeterministic loading spinner

* activity_zoomable: add inderterministic Progressbar

* remove circular progressbar and make changes to controller listener
This commit is contained in:
Kshitij Bhardwaj 2020-03-29 15:55:47 -04:00 • committed by GitHub
parent 8a5944dd87
commit 3d1ffbb4bc
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40
app/src/main/java/fr/free/nrw/commons/media/ZoomableActivity.java
View file

@ -6,21 +6,30 @@ import androidx.appcompat.app.AppCompatActivity;
import butterknife.BindView;
import butterknife.ButterKnife;
import fr.free.nrw.commons.R;
import com.facebook.drawee.drawable.ProgressBarDrawable;
import fr.free.nrw.commons.media.zoomControllers.zoomable.DoubleTapGestureListener;
import fr.free.nrw.commons.media.zoomControllers.zoomable.ZoomableDraweeView;
import timber.log.Timber;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.Animatable;
import android.net.Uri;
import android.os.Bundle;
import com.facebook.drawee.backends.pipeline.Fresco;
import com.facebook.drawee.controller.BaseControllerListener;
import com.facebook.drawee.controller.ControllerListener;
import com.facebook.drawee.drawable.ScalingUtils;
import com.facebook.drawee.generic.GenericDraweeHierarchy;
import com.facebook.drawee.generic.GenericDraweeHierarchyBuilder;
import com.facebook.drawee.interfaces.DraweeController;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ProgressBar;
import com.facebook.drawee.view.SimpleDraweeView;
import com.facebook.imagepipeline.image.ImageInfo;
import com.github.chrisbanes.photoview.PhotoView;
import java.io.InputStream;
@ -32,6 +41,8 @@ public class ZoomableActivity extends AppCompatActivity {
@BindView(R.id.zoomable)
ZoomableDraweeView photo;
@BindView(R.id.zoom_progress_bar)
ProgressBar spinner;
@Override
protected void onCreate(Bundle savedInstanceState) {
@ -48,13 +59,42 @@ public class ZoomableActivity extends AppCompatActivity {
init();
}
/**
* Two types of loading indicators have been added to the zoom activity:
* 1. An Indeterminate spinner for showing the time lapsed between dispatch of the image request
* and starting to receiving the image.
* 2. ProgressBarDrawable that reflects how much image has been downloaded
*/
private final ControllerListener loadingListener = new BaseControllerListener<ImageInfo>() {
@Override
public void onSubmit(String id, Object callerContext) {
// Sometimes the spinner doesn't appear when rapidly switching between images, this fixes that
spinner.setVisibility(View.VISIBLE);
}
@Override
public void onIntermediateImageSet(String id, @Nullable ImageInfo imageInfo) {
spinner.setVisibility(View.GONE);
}
@Override
public void onFinalImageSet(String id, @Nullable ImageInfo imageInfo, @Nullable Animatable animatable) {
spinner.setVisibility(View.GONE);
}
};
private void init() {
if( imageUri != null ) {
GenericDraweeHierarchy hierarchy = GenericDraweeHierarchyBuilder.newInstance(getResources())
.setActualImageScaleType(ScalingUtils.ScaleType.FIT_CENTER)
.setProgressBarImage(new ProgressBarDrawable())
.setProgressBarImageScaleType(ScalingUtils.ScaleType.FIT_CENTER)
.build();
photo.setHierarchy(hierarchy);
photo.setAllowTouchInterceptionWhileZoomed(true);
photo.setIsLongpressEnabled(false);
photo.setTapListener(new DoubleTapGestureListener(photo));
DraweeController controller = Fresco.newDraweeControllerBuilder()
.setUri(imageUri)
.setControllerListener(loadingListener)
.build();
photo.setController(controller);
}

9
app/src/main/res/layout/activity_zoomable.xml
View file

@ -13,5 +13,14 @@
android:layout_width="match_parent"
app:actualImageScaleType="fitCenter"
/>
<ProgressBar
android:layout_width="@dimen/dimen_72"
android:layout_height="@dimen/dimen_72"
android:id="@+id/zoom_progress_bar"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"
/>
</androidx.constraintlayout.widget.ConstraintLayout>