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Code Issues Packages Projects Releases Wiki Activity

Add column spacing to the RecyclerView in PostGalleryActivity.

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This commit is contained in:
Alex Ning 2021-07-16 21:01:39 +08:00
parent b382ebecc3
commit 45181aa712
2 changed files with 37 additions and 1 deletions
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34
app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostGalleryActivity.java
View File

@ -3,8 +3,10 @@ package ml.docilealligator.infinityforreddit.activities;
import android.content.ActivityNotFoundException; import android.content.ActivityNotFoundException;
import android.content.Intent; import android.content.Intent;
import android.content.SharedPreferences; import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.content.res.Resources; import android.content.res.Resources;
import android.graphics.Bitmap; import android.graphics.Bitmap;
import android.graphics.Rect;
import android.net.Uri; import android.net.Uri;
import android.os.Build; import android.os.Build;
import android.os.Bundle; import android.os.Bundle;
@ -24,6 +26,7 @@ import androidx.appcompat.widget.Toolbar;
import androidx.coordinatorlayout.widget.CoordinatorLayout; import androidx.coordinatorlayout.widget.CoordinatorLayout;
import androidx.core.content.ContextCompat; import androidx.core.content.ContextCompat;
import androidx.core.content.FileProvider; import androidx.core.content.FileProvider;
import androidx.recyclerview.widget.GridLayoutManager;
import androidx.recyclerview.widget.RecyclerView; import androidx.recyclerview.widget.RecyclerView;
import com.bumptech.glide.Glide; import com.bumptech.glide.Glide;
@ -70,6 +73,7 @@ import ml.docilealligator.infinityforreddit.services.SubmitPostService;
import ml.docilealligator.infinityforreddit.utils.JSONUtils; import ml.docilealligator.infinityforreddit.utils.JSONUtils;
import ml.docilealligator.infinityforreddit.utils.SharedPreferencesUtils; import ml.docilealligator.infinityforreddit.utils.SharedPreferencesUtils;
import ml.docilealligator.infinityforreddit.utils.UploadImageUtils; import ml.docilealligator.infinityforreddit.utils.UploadImageUtils;
import ml.docilealligator.infinityforreddit.utils.Utils;
import pl.droidsonroids.gif.GifImageView; import pl.droidsonroids.gif.GifImageView;
import retrofit2.Retrofit; import retrofit2.Retrofit;
@ -220,6 +224,36 @@ public class PostGalleryActivity extends BaseActivity implements FlairBottomShee
} }
}); });
imagesRecyclerView.setAdapter(adapter); imagesRecyclerView.setAdapter(adapter);
Resources resources = getResources();
int nColumns = resources.getBoolean(R.bool.isTablet) || resources.getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE ? 3 : 2;
((GridLayoutManager) imagesRecyclerView.getLayoutManager()).setSpanCount(nColumns);
imagesRecyclerView.addItemDecoration(new RecyclerView.ItemDecoration() {
@Override
public void getItemOffsets(@NonNull Rect outRect, @NonNull View view, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
GridLayoutManager.LayoutParams layoutParams = (GridLayoutManager.LayoutParams) view.getLayoutParams();
int spanIndex = layoutParams.getSpanIndex();
int offset = (int) (Utils.convertDpToPixel(16, PostGalleryActivity.this));
int halfOffset = offset / 2;
if (nColumns == 2) {
if (spanIndex == 0) {
outRect.set(halfOffset, 0, halfOffset, offset);
} else {
outRect.set(halfOffset, 0, halfOffset, offset);
}
} else if (nColumns == 3) {
if (spanIndex == 0) {
outRect.set(halfOffset, 0, halfOffset, offset);
} else if (spanIndex == 1) {
outRect.set(halfOffset, 0, halfOffset, offset);
} else {
outRect.set(halfOffset, 0, halfOffset, offset);
}
}
}
});
if (savedInstanceState != null) { if (savedInstanceState != null) {
subredditName = savedInstanceState.getString(SUBREDDIT_NAME_STATE); subredditName = savedInstanceState.getString(SUBREDDIT_NAME_STATE);

4
app/src/main/res/layout/activity_post_gallery.xml
View File

@ -191,7 +191,9 @@
android:id="@+id/images_recycler_view_post_gallery_activity" android:id="@+id/images_recycler_view_post_gallery_activity"
android:layout_width="match_parent" android:layout_width="match_parent"
android:layout_height="wrap_content" android:layout_height="wrap_content"
android:padding="16dp" android:paddingTop="16dp"
android:paddingStart="8dp"
android:paddingEnd="8dp"
app:layoutManager="androidx.recyclerview.widget.GridLayoutManager" app:layoutManager="androidx.recyclerview.widget.GridLayoutManager"
app:spanCount="2" /> app:spanCount="2" />