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*Animate RecyclerView items when scrolling up and down.
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225 changes: 122 additions & 103 deletions
225
app/src/main/java/stream/rocketnotes/ImageItemViewholder.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,103 +1,122 @@ | ||
| package stream.rocketnotes; | ||
|
|
||
| import android.content.Context; | ||
| import android.content.Intent; | ||
| import android.view.View; | ||
| import android.widget.ImageView; | ||
|
|
||
| import com.squareup.picasso.Picasso; | ||
|
|
||
| import java.util.List; | ||
|
|
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| import eu.davidea.flexibleadapter.FlexibleAdapter; | ||
| import eu.davidea.flexibleadapter.items.AbstractFlexibleItem; | ||
| import eu.davidea.viewholders.FlexibleViewHolder; | ||
|
|
||
| public class ImageItemViewholder extends AbstractFlexibleItem<ImageItemViewholder.ImageViewHolder> { | ||
|
|
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| private String id; | ||
| private String image; | ||
|
|
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| public ImageItemViewholder(String id, String image) { | ||
| this.id = id; | ||
| this.image = image; | ||
| } | ||
|
|
||
| /** | ||
| * When an item is equals to another? | ||
| * Write your own concept of equals, mandatory to implement. | ||
| * This will be explained in the "Item interfaces" Wiki page. | ||
| */ | ||
| @Override | ||
| public boolean equals(Object inObject) { | ||
| if (inObject instanceof ImageItemViewholder) { | ||
| ImageItemViewholder inItem = (ImageItemViewholder) inObject; | ||
| return this.id.equals(inItem.id); | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| /** | ||
| * You should implement also this method if equals() is implemented. | ||
| * This method, if implemented, has several implications that Adapter handles better: | ||
| * - The Hash increases performance in big list during Update & Filter operations. | ||
| * - Collapsing many expandable items is much faster. | ||
| * - You might want to activate stable ids via Constructor for RV, if your id | ||
| * is unique (read more in the wiki page: "Setting Up Advanced"). | ||
| */ | ||
| @Override | ||
| public int hashCode() { | ||
| return id.hashCode(); | ||
| } | ||
|
|
||
| /** | ||
| * For the item type we need an int value: the layoutResID is sufficient. | ||
| */ | ||
| @Override | ||
| public int getLayoutRes() { | ||
| return R.layout.item_image; | ||
| } | ||
|
|
||
| @Override | ||
| public ImageViewHolder createViewHolder(View view, FlexibleAdapter adapter) { | ||
| return new ImageViewHolder(view, adapter); | ||
| } | ||
|
|
||
| /** | ||
| * The Adapter and the Payload are provided to get more specific information from it. | ||
| */ | ||
| @Override | ||
| public void bindViewHolder(FlexibleAdapter adapter, ImageViewHolder holder, final int position, | ||
| List payloads) { | ||
| final Context context = holder.itemView.getContext(); | ||
| // UXCam.occludeSensitiveView(holder.noteImage); | ||
|
|
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| Picasso.with(context).load(image).transform(ImageTransformer.getSquare(holder.noteImage)).placeholder(R.drawable.image_picture_full).into(holder.noteImage); | ||
|
|
||
| holder.noteImage.setOnClickListener(new View.OnClickListener() { | ||
| @Override | ||
| public void onClick(View view) { | ||
| Intent intent = new Intent(context, ImageViewerActivity.class); | ||
| intent.setAction(Constants.OPEN_IMAGE_SINGLE); | ||
| intent.putExtra(Constants.ID, Integer.valueOf(id)); | ||
| intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); | ||
| context.startActivity(intent); | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| /** | ||
| * The ViewHolder used by this item. | ||
| * Extending from FlexibleViewHolder is recommended especially when you will use | ||
| * more advanced features. | ||
| */ | ||
| public class ImageViewHolder extends FlexibleViewHolder { | ||
|
|
||
| public ImageView noteImage; | ||
|
|
||
| public ImageViewHolder(View view, FlexibleAdapter adapter) { | ||
| super(view, adapter); | ||
| noteImage = view.findViewById(R.id.item_image); | ||
| } | ||
| } | ||
| } | ||
| package stream.rocketnotes; | ||
|
|
||
| import android.animation.Animator; | ||
| import android.content.Context; | ||
| import android.content.Intent; | ||
| import android.support.annotation.NonNull; | ||
| import android.support.v7.widget.GridLayoutManager; | ||
| import android.view.View; | ||
| import android.widget.ImageView; | ||
|
|
||
| import com.squareup.picasso.Picasso; | ||
|
|
||
| import java.util.List; | ||
|
|
||
| import eu.davidea.flexibleadapter.FlexibleAdapter; | ||
| import eu.davidea.flexibleadapter.helpers.AnimatorHelper; | ||
| import eu.davidea.flexibleadapter.items.AbstractFlexibleItem; | ||
| import eu.davidea.viewholders.FlexibleViewHolder; | ||
|
|
||
| public class ImageItemViewholder extends AbstractFlexibleItem<ImageItemViewholder.ImageViewHolder> { | ||
|
|
||
| private String id; | ||
| private String image; | ||
|
|
||
| public ImageItemViewholder(String id, String image) { | ||
| this.id = id; | ||
| this.image = image; | ||
| } | ||
|
|
||
| /** | ||
| * When an item is equals to another? | ||
| * Write your own concept of equals, mandatory to implement. | ||
| * This will be explained in the "Item interfaces" Wiki page. | ||
| */ | ||
| @Override | ||
| public boolean equals(Object inObject) { | ||
| if (inObject instanceof ImageItemViewholder) { | ||
| ImageItemViewholder inItem = (ImageItemViewholder) inObject; | ||
| return this.id.equals(inItem.id); | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| /** | ||
| * You should implement also this method if equals() is implemented. | ||
| * This method, if implemented, has several implications that Adapter handles better: | ||
| * - The Hash increases performance in big list during Update & Filter operations. | ||
| * - Collapsing many expandable items is much faster. | ||
| * - You might want to activate stable ids via Constructor for RV, if your id | ||
| * is unique (read more in the wiki page: "Setting Up Advanced"). | ||
| */ | ||
| @Override | ||
| public int hashCode() { | ||
| return id.hashCode(); | ||
| } | ||
|
|
||
| /** | ||
| * For the item type we need an int value: the layoutResID is sufficient. | ||
| */ | ||
| @Override | ||
| public int getLayoutRes() { | ||
| return R.layout.item_image; | ||
| } | ||
|
|
||
| @Override | ||
| public ImageViewHolder createViewHolder(View view, FlexibleAdapter adapter) { | ||
| return new ImageViewHolder(view, adapter); | ||
| } | ||
|
|
||
| /** | ||
| * The Adapter and the Payload are provided to get more specific information from it. | ||
| */ | ||
| @Override | ||
| public void bindViewHolder(FlexibleAdapter adapter, ImageViewHolder holder, final int position, | ||
| List payloads) { | ||
| final Context context = holder.itemView.getContext(); | ||
| // UXCam.occludeSensitiveView(holder.noteImage); | ||
|
|
||
| Picasso.with(context).load(image).transform(ImageTransformer.getSquare(holder.noteImage)).placeholder(R.drawable.image_picture_full).into(holder.noteImage); | ||
|
|
||
| holder.noteImage.setOnClickListener(new View.OnClickListener() { | ||
| @Override | ||
| public void onClick(View view) { | ||
| Intent intent = new Intent(context, ImageViewerActivity.class); | ||
| intent.setAction(Constants.OPEN_IMAGE_SINGLE); | ||
| intent.putExtra(Constants.ID, Integer.valueOf(id)); | ||
| intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); | ||
| context.startActivity(intent); | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| /** | ||
| * The ViewHolder used by this item. | ||
| * Extending from FlexibleViewHolder is recommended especially when you will use | ||
| * more advanced features. | ||
| */ | ||
| public class ImageViewHolder extends FlexibleViewHolder { | ||
|
|
||
| public ImageView noteImage; | ||
|
|
||
| public ImageViewHolder(View view, FlexibleAdapter adapter) { | ||
| super(view, adapter); | ||
| noteImage = view.findViewById(R.id.item_image); | ||
| } | ||
|
|
||
| @Override | ||
| public void scrollAnimators(@NonNull List<Animator> animators, int position, boolean isForward) { | ||
| if (mAdapter.getRecyclerView().getLayoutManager() instanceof GridLayoutManager) { | ||
| if (position % 2 != 0) | ||
| AnimatorHelper.slideInFromRightAnimator(animators, itemView, mAdapter.getRecyclerView(), 0.5f); | ||
| else | ||
| AnimatorHelper.slideInFromLeftAnimator(animators, itemView, mAdapter.getRecyclerView(), 0.5f); | ||
| } else { | ||
| if (isForward) | ||
| AnimatorHelper.slideInFromBottomAnimator(animators, itemView, mAdapter.getRecyclerView()); | ||
| else | ||
| AnimatorHelper.slideInFromTopAnimator(animators, itemView, mAdapter.getRecyclerView()); | ||
| } | ||
| } | ||
| } | ||
| } |
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