added media metadata support, bug fix

app/src/main/java/org/nuclearfog/twidda/backend/api/mastodon/impl/MastodonMedia.java

@@ -44,11 +44,13 @@ public class MastodonMedia implements Media {
 	private String description = "";
 	private String blur;
 	private int type = UNDEFINED;
+	private Meta meta;
 
 	/**
 	 * @param json Mastodon status JSON format
 	 */
 	public MastodonMedia(JSONObject json) throws JSONException {
+		JSONObject metaJson = json.optJSONObject("meta");
 		String typeStr = json.getString("type");
 		String url = json.getString("url");
 		String preview = json.optString("preview_url", "");
@@ -83,6 +85,9 @@ public class MastodonMedia implements Media {
 		if (json.has("description") && !json.isNull("description")) {
 			description = json.getString("description");
 		}
+		if (metaJson != null) {
+			meta = new MastodonMeta(metaJson);
+		}
 	}
 
 
@@ -122,6 +127,13 @@ public class MastodonMedia implements Media {
 	}
 
 
+	@Nullable
+	@Override
+	public Meta getMeta() {
+		return meta;
+	}
+
+
 	@Override
 	public boolean equals(@Nullable Object obj) {
 		if (!(obj instanceof Media))
@@ -154,4 +166,90 @@ public class MastodonMedia implements Media {
 		}
 		return tostring + " url=\"" + getUrl() + "\"";
 	}
+
+	/**
+	 *
+	 */
+	private static final class MastodonMeta implements Meta {
+
+		private static final long serialVersionUID = 5103849502754551661L;
+
+		private double duration;
+		private int previewWidth;
+		private int previewHeight;
+		private int originalWidth;
+		private int originalHeight;
+		private int bitrate;
+		private float framerate;
+
+		/**
+		 *
+		 */
+		public MastodonMeta(JSONObject json) {
+			JSONObject original = json.optJSONObject("original");
+			JSONObject small = json.optJSONObject("small");
+			if (small != null) {
+				previewWidth = small.optInt("width", 1);
+				previewHeight = small.optInt("height", 1);
+			}
+			if (original != null) {
+				String framerateStr = original.optString("frame_rate");
+				originalWidth = original.optInt("width", 1);
+				originalHeight = original.optInt("height", 1);
+				bitrate = original.optInt("bitrate", 0) / 1024;
+				duration = original.optDouble("duration", 0.0);
+				// calculate framerate if any
+				int split = framerateStr.indexOf("/");
+				if (split > 0) {
+					String upper = framerateStr.substring(0, split);
+					String down = framerateStr.substring(split + 1);
+					if (upper.matches("\\d+") && down.matches("\\d+") && !down.equals("0")) {
+						framerate = (float) (Integer.parseInt(upper) / Integer.parseInt(down));
+					}
+				}
+			}
+		}
+
+
+		@Override
+		public double getDuration() {
+			return duration;
+		}
+
+
+		@Override
+		public int getWidthPreview() {
+			return previewWidth;
+		}
+
+
+		@Override
+		public int getHeightPreview() {
+			return previewHeight;
+		}
+
+
+		@Override
+		public int getWidth() {
+			return originalWidth;
+		}
+
+
+		@Override
+		public int getHeight() {
+			return originalHeight;
+		}
+
+
+		@Override
+		public int getBitrate() {
+			return bitrate;
+		}
+
+
+		@Override
+		public float getFrameRate() {
+			return framerate;
+		}
+	}
 }

app/src/main/java/org/nuclearfog/twidda/backend/api/twitter/v1/impl/MediaV1.java

@@ -139,6 +139,13 @@ public class MediaV1 implements Media {
 	}
 
 
+	@Nullable
+	@Override
+	public Meta getMeta() {
+		return null;
+	}
+
+
 	@Override
 	public boolean equals(@Nullable Object obj) {
 		if (!(obj instanceof Media))

app/src/main/java/org/nuclearfog/twidda/backend/api/twitter/v2/impl/MediaV2.java

@@ -145,6 +145,13 @@ public class MediaV2 implements Media {
 	}
 
 
+	@Nullable
+	@Override
+	public Meta getMeta() {
+		return null;
+	}
+
+
 	@Override
 	public boolean equals(@Nullable Object obj) {
 		if (!(obj instanceof Media))

app/src/main/java/org/nuclearfog/twidda/backend/async/AsyncExecutor.java

@@ -9,7 +9,6 @@ import androidx.annotation.WorkerThread;
 
 import org.nuclearfog.twidda.BuildConfig;
 
-import java.io.InterruptedIOException;
 import java.lang.ref.WeakReference;
 import java.util.Queue;
 import java.util.concurrent.ExecutorService;
@@ -64,7 +63,7 @@ public abstract class AsyncExecutor<Parameter, Result> {
 				try {
 					Result result = doInBackground(parameter);
 					onPostExecute(result, callbackReference);
-				} catch (InterruptedException | InterruptedIOException e) {
+				} catch (InterruptedException e) {
 					// caused by user interaction. No need to handle exception.
 				} catch (Exception e) {
 					if (BuildConfig.DEBUG) {
@@ -121,7 +120,7 @@ public abstract class AsyncExecutor<Parameter, Result> {
 	 * @return result of the background task
 	 */
 	@WorkerThread
-	protected abstract Result doInBackground(@NonNull Parameter param) throws InterruptedException, InterruptedIOException;
+	protected abstract Result doInBackground(@NonNull Parameter param) throws InterruptedException;
 
 	/**
 	 * Callback used to send task result to main thread

app/src/main/java/org/nuclearfog/twidda/backend/utils/BlurHashDecoder.java

@@ -11,6 +11,15 @@ import android.util.SparseArray;
  */
 public class BlurHashDecoder {
 
+	/**
+	 * use in memory cache for the calculated math, reused by images with same size.
+	 * if the cache does not exist yet it will be created and populated with new calculations.
+	 * By default it is true.
+	 */
+	private static final boolean USE_CACHE = true;
+
+	private static final int DEFAULT_SIZE = 16;
+
 	// cache Math.cos() calculations to improve performance.
 	// The number of calculations can be huge for many bitmaps: width * height * numCompX * numCompY * 2 * nBitmaps
 	// the cache is enabled by default, it is recommended to disable it only when just a few images are displayed
@@ -36,20 +45,40 @@ public class BlurHashDecoder {
 	}
 
 	/**
+	 * create blurred bitmap using hash string
 	 *
+	 * @param blurHash hash string
+	 * @return blurred bitmap
 	 */
 	public static Bitmap decode(String blurHash) {
-		return decode(blurHash, 16, 16, 1f, true);
+		return decode(blurHash, DEFAULT_SIZE, DEFAULT_SIZE, 1f);
 	}
 
 	/**
-	 * Decode a blur hash into a new bitmap.
+	 * create scaled bitmap using hash string
 	 *
-	 * @param useCache use in memory cache for the calculated math, reused by images with same size.
+	 * @param blurHash hash string
-	 *                 if the cache does not exist yet it will be created and populated with new calculations.
+	 * @param ratio    ratio ob the bitmap to generate
-	 *                 By default it is true.
+	 * @return blurred bitmap
 	 */
-	public static Bitmap decode(String blurHash, int width, int height, float punch, boolean useCache) {
+	public static Bitmap decode(String blurHash, float ratio) {
+		if (ratio > 1.0f) {
+			return decode(blurHash, DEFAULT_SIZE, (int) (DEFAULT_SIZE / ratio), 1f);
+		} else if (ratio < 1.0f && ratio > 0.0f) {
+			return decode(blurHash, (int) (DEFAULT_SIZE * ratio), DEFAULT_SIZE, 1f);
+		}
+		return decode(blurHash, DEFAULT_SIZE, DEFAULT_SIZE, 1f);
+	}
+
+	/**
+	 * create blurred bitmap with custom size
+	 *
+	 * @param blurHash hash string
+	 * @param width    bitmap width
+	 * @param height   bitmap height
+	 * @return blurred bitmap
+	 */
+	public static Bitmap decode(String blurHash, int width, int height, float punch) {
 		if (blurHash == null || blurHash.length() < 6)
 			return null;
 		int numCompEnc = decode83(blurHash, 0, 1);
@@ -66,7 +95,7 @@ public class BlurHashDecoder {
 			int colorEnc = decode83(blurHash, from, from + 2);
 			colors[i] = decodeAc(colorEnc, maxAc * punch);
 		}
-		return composeBitmap(width, height, numCompX, numCompY, colors, useCache);
+		return composeBitmap(width, height, numCompX, numCompY, colors);
 	}
 
 	/**
@@ -120,12 +149,12 @@ public class BlurHashDecoder {
 	/**
 	 *
 	 */
-	private static Bitmap composeBitmap(int width, int height, int numCompX, int numCompY, float[][] colors, boolean useCache) {
+	private static Bitmap composeBitmap(int width, int height, int numCompX, int numCompY, float[][] colors) {
 		// use an array for better performance when writing pixel colors
 		int[] imageArray = new int[width * height];
-		boolean calculateCosX = !useCache || cacheCosinesX.get(width * numCompX) == null;
+		boolean calculateCosX = !USE_CACHE || cacheCosinesX.get(width * numCompX) == null;
 		double[] cosinesX = getArrayForCosinesX(calculateCosX, width, numCompX);
-		boolean calculateCosY = !useCache || cacheCosinesY.get(height * numCompY) == null;
+		boolean calculateCosY = !USE_CACHE || cacheCosinesY.get(height * numCompY) == null;
 		double[] cosinesY = getArrayForCosinesY(calculateCosY, height, numCompY);
 		for (int y = 0; y < height; y++) {
 			for (int x = 0; x < width; x++) {

app/src/main/java/org/nuclearfog/twidda/database/impl/DatabaseMedia.java

@@ -89,6 +89,13 @@ public class DatabaseMedia implements Media, MediaTable {
 	}
 
 
+	@Nullable
+	@Override
+	public Meta getMeta() {
+		return null; // todo implement this
+	}
+
+
 	@Override
 	public boolean equals(@Nullable Object obj) {
 		if (!(obj instanceof Media))

app/src/main/java/org/nuclearfog/twidda/model/Media.java

@@ -1,5 +1,7 @@
 package org.nuclearfog.twidda.model;
 
+import androidx.annotation.Nullable;
+
 import java.io.Serializable;
 
 /**
@@ -64,9 +66,62 @@ public interface Media extends Serializable, Comparable<Media> {
 	 */
 	String getBlurHash();
 
+	/**
+	 * @return media information
+	 */
+	@Nullable
+	Meta getMeta();
+
 
 	@Override
 	default int compareTo(Media o) {
 		return String.CASE_INSENSITIVE_ORDER.compare(getKey(), o.getKey());
 	}
+
+	/**
+	 * Media information
+	 */
+	interface Meta extends Serializable {
+
+		/**
+		 * get duration if video
+		 *
+		 * @return video duration in seconds
+		 */
+		double getDuration();
+
+		/**
+		 * @return image width of the thumbnail
+		 */
+		int getWidthPreview();
+
+		/**
+		 * @return image height of the thumbnail
+		 */
+		int getHeightPreview();
+
+		/**
+		 * @return image/video with
+		 */
+		int getWidth();
+
+		/**
+		 * @return image/video height
+		 */
+		int getHeight();
+
+		/**
+		 * get audio/video if any
+		 *
+		 * @return bitrate in kbit/s
+		 */
+		int getBitrate();
+
+		/**
+		 * get video framerate if any
+		 *
+		 * @return frame rate
+		 */
+		float getFrameRate();
+	}
 }

app/src/main/java/org/nuclearfog/twidda/ui/activities/ImageViewer.java

@@ -29,6 +29,7 @@ import org.nuclearfog.twidda.config.GlobalSettings;
 import org.nuclearfog.twidda.model.Media;
 import org.nuclearfog.twidda.ui.dialogs.DescriptionDialog;
 import org.nuclearfog.twidda.ui.dialogs.DescriptionDialog.DescriptionCallback;
+import org.nuclearfog.twidda.ui.dialogs.MetaDialog;
 import org.nuclearfog.twidda.ui.views.AnimatedImageView;
 import org.nuclearfog.twidda.ui.views.DescriptionView;
 import org.nuclearfog.zoomview.ZoomView;
@@ -65,6 +66,7 @@ public class ImageViewer extends MediaActivity implements AsyncCallback<ImageLoa
 	private DescriptionView descriptionView;
 
 	private DescriptionDialog descriptionDialog;
+	private MetaDialog metaDialog;
 
 	@Nullable
 	private Uri cacheUri;
@@ -74,6 +76,7 @@ public class ImageViewer extends MediaActivity implements AsyncCallback<ImageLoa
 	private ImageDownloader imageAsync;
 	private GlobalSettings settings;
 	private File cacheFolder;
+	private Media.Meta meta;
 
 
 	@Override
@@ -100,6 +103,8 @@ public class ImageViewer extends MediaActivity implements AsyncCallback<ImageLoa
 
 		imageAsync = new ImageDownloader(this);
 		descriptionDialog = new DescriptionDialog(this, this);
+		metaDialog = new MetaDialog(this);
+
 		cacheFolder = new File(getExternalCacheDir(), ImageViewer.CACHE_FOLDER);
 		cacheFolder.mkdirs();
 
@@ -109,6 +114,7 @@ public class ImageViewer extends MediaActivity implements AsyncCallback<ImageLoa
 		String description = null;
 		boolean animated = false;
 		boolean local = false;
+		float ratio = 1.0f;
 		Serializable serializedData;
 		if (savedInstanceState != null) {
 			serializedData = savedInstanceState.getSerializable(KEY_IMAGE_DATA);
@@ -123,10 +129,14 @@ public class ImageViewer extends MediaActivity implements AsyncCallback<ImageLoa
 			description = mediaStatus.getDescription();
 		} else if (serializedData instanceof Media) {
 			Media media = (Media) serializedData;
+			meta = media .getMeta();
 			blurHash = media.getBlurHash();
 			imageUrl = media.getUrl();
 			description = media.getDescription();
 			animated = media.getMediaType() == Media.GIF;
+			if (meta != null) {
+				ratio = meta.getWidth() / (float) meta.getHeight();
+			}
 		} else if (serializedData instanceof String) {
 			imageUrl = (String) serializedData;
 		} else {
@@ -161,7 +171,7 @@ public class ImageViewer extends MediaActivity implements AsyncCallback<ImageLoa
 		}
 		// set image blur placeholder
 		if (blurHash != null && !blurHash.trim().isEmpty()) {
-			Bitmap blur = BlurHashDecoder.decode(blurHash);
+			Bitmap blur = BlurHashDecoder.decode(blurHash, ratio);
 			zoomImage.setImageBitmap(blur);
 			zoomImage.setMovable(false);
 		}
@@ -201,7 +211,9 @@ public class ImageViewer extends MediaActivity implements AsyncCallback<ImageLoa
 	@Override
 	public boolean onPrepareOptionsMenu(Menu menu) {
 		MenuItem itemSave = menu.findItem(R.id.menu_image_save);
+		MenuItem itemMeta = menu.findItem(R.id.menu_image_show_meta);
 		itemSave.setVisible(cacheUri != null);
+		itemMeta.setVisible(meta != null);
 		return true;
 	}
 
@@ -216,6 +228,11 @@ public class ImageViewer extends MediaActivity implements AsyncCallback<ImageLoa
 		} else if (item.getItemId() == R.id.menu_image_add_description) {
 			descriptionDialog.show();
 			return true;
+		} else if (item.getItemId() == R.id.menu_image_show_meta) {
+			if (meta != null) {
+				metaDialog.show(meta);
+			}
+			return true;
 		}
 		return super.onOptionsItemSelected(item);
 	}

app/src/main/java/org/nuclearfog/twidda/ui/activities/LoginActivity.java

@@ -39,7 +39,7 @@ import org.nuclearfog.twidda.backend.utils.AppStyles;
 import org.nuclearfog.twidda.backend.utils.ErrorUtils;
 import org.nuclearfog.twidda.config.Configuration;
 import org.nuclearfog.twidda.config.GlobalSettings;
-import org.nuclearfog.twidda.ui.adapter.recyclerview.DropdownAdapter;
+import org.nuclearfog.twidda.ui.adapter.listview.DropdownAdapter;
 import org.nuclearfog.twidda.ui.dialogs.ConnectionDialog;
 
 import java.io.Serializable;

app/src/main/java/org/nuclearfog/twidda/ui/activities/SettingsActivity.java

@@ -51,7 +51,7 @@ import org.nuclearfog.twidda.config.Configuration;
 import org.nuclearfog.twidda.config.GlobalSettings;
 import org.nuclearfog.twidda.model.Location;
 import org.nuclearfog.twidda.notification.PushSubscription;
-import org.nuclearfog.twidda.ui.adapter.recyclerview.DropdownAdapter;
+import org.nuclearfog.twidda.ui.adapter.listview.DropdownAdapter;
 import org.nuclearfog.twidda.ui.dialogs.ConfirmDialog;
 import org.nuclearfog.twidda.ui.dialogs.ConfirmDialog.OnConfirmListener;
 import org.nuclearfog.twidda.ui.dialogs.InfoDialog;

app/src/main/java/org/nuclearfog/twidda/ui/activities/VideoViewer.java

@@ -46,6 +46,7 @@ import org.nuclearfog.twidda.backend.utils.LinkUtils;
 import org.nuclearfog.twidda.model.Media;
 import org.nuclearfog.twidda.ui.dialogs.DescriptionDialog;
 import org.nuclearfog.twidda.ui.dialogs.DescriptionDialog.DescriptionCallback;
+import org.nuclearfog.twidda.ui.dialogs.MetaDialog;
 import org.nuclearfog.twidda.ui.views.DescriptionView;
 
 import java.io.Serializable;
@@ -83,6 +84,7 @@ public class VideoViewer extends AppCompatActivity implements Player.Listener, D
 	private PlayerView playerView;
 
 	private DescriptionDialog descriptionDialog;
+	private MetaDialog metaDialog;
 
 	private ExoPlayer player;
 	@Nullable
@@ -105,6 +107,7 @@ public class VideoViewer extends AppCompatActivity implements Player.Listener, D
 		toolbar = findViewById(R.id.page_video_toolbar);
 		descriptionView = findViewById(R.id.page_video_description);
 		descriptionDialog = new DescriptionDialog(this, this);
+		metaDialog = new MetaDialog(this);
 		player = new ExoPlayer.Builder(this, this).build();
 
 		toolbar.setTitle("");
@@ -233,9 +236,11 @@ public class VideoViewer extends AppCompatActivity implements Player.Listener, D
 		getMenuInflater().inflate(R.menu.video, menu);
 		MenuItem menuOpenUrl = menu.findItem(R.id.menu_video_link);
 		MenuItem menuDescription = menu.findItem(R.id.menu_video_add_description);
+		MenuItem menuMeta = menu.findItem(R.id.menu_video_show_meta);
 		AppStyles.setMenuIconColor(menu, Color.WHITE);
 		menuOpenUrl.setVisible(media != null);
 		menuDescription.setVisible(mediaStatus != null);
+		menuMeta.setVisible(media != null && media.getMeta() != null);
 		return super.onCreateOptionsMenu(menu);
 	}
 
@@ -246,9 +251,11 @@ public class VideoViewer extends AppCompatActivity implements Player.Listener, D
 			if (media != null) {
 				LinkUtils.openMediaLink(this, Uri.parse(media.getUrl()));
 			}
+		} else if (item.getItemId() == R.id.menu_video_show_meta) {
+			if (media != null && media.getMeta() != null) {
+				metaDialog.show(media.getMeta());
 			}
-		//
+		} else if (item.getItemId() == R.id.menu_video_add_description) {
-		else if (item.getItemId() == R.id.menu_video_add_description) {
 			descriptionDialog.show();
 		}
 		return super.onOptionsItemSelected(item);

app/src/main/java/org/nuclearfog/twidda/ui/adapter/listview/DropdownAdapter.java

@@ -1,4 +1,4 @@
-package org.nuclearfog.twidda.ui.adapter.recyclerview;
+package org.nuclearfog.twidda.ui.adapter.listview;
 
 import android.content.Context;
 import android.content.res.TypedArray;
@@ -60,7 +60,7 @@ public class DropdownAdapter extends BaseAdapter {
 	public View getView(int position, View convertView, ViewGroup parent) {
 		TextView textItem;
 		if (convertView == null) {
-			LayoutInflater inflater = LayoutInflater.from(parent.getContext());
+			LayoutInflater inflater = LayoutInflater.from(context);
 			convertView = inflater.inflate(R.layout.item_dropdown, parent, false);
 			textItem = convertView.findViewById(R.id.dropdown_textitem);
 			textItem.setTextColor(settings.getTextColor());

app/src/main/java/org/nuclearfog/twidda/ui/adapter/listview/MetaAdapter.java

@@ -0,0 +1,119 @@
+package org.nuclearfog.twidda.ui.adapter.listview;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.TextView;
+
+import org.nuclearfog.twidda.R;
+import org.nuclearfog.twidda.backend.utils.StringUtils;
+import org.nuclearfog.twidda.config.GlobalSettings;
+import org.nuclearfog.twidda.model.Media;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * ListView adapter used to show Meta items
+ *
+ * @see org.nuclearfog.twidda.ui.dialogs.MetaDialog
+ * @author nuclearfog
+ */
+public class MetaAdapter extends BaseAdapter {
+
+	private List<String> keys = new ArrayList<>();
+	private List<String> values = new ArrayList<>();
+
+	private Context context;
+	private GlobalSettings settings;
+
+	/**
+	 *
+	 */
+	public MetaAdapter(Context context) {
+		this.context = context;
+		settings = GlobalSettings.get(context);
+	}
+
+
+	@Override
+	public int getCount() {
+		return Math.min(keys.size(), values.size());
+	}
+
+
+	@Override
+	public Object getItem(int position) {
+		return new String[] {keys.get(position), values.get(position)};
+	}
+
+
+	@Override
+	public long getItemId(int position) {
+		return keys.get(position).hashCode();
+	}
+
+
+	@Override
+	public View getView(int position, View convertView, ViewGroup parent) {
+		TextView key_text;
+		TextView value_text;
+		if (convertView == null) {
+			convertView = LayoutInflater.from(context).inflate(R.layout.item_meta_field, parent, false);
+			key_text = convertView.findViewById(R.id.item_meta_field_key);
+			value_text = convertView.findViewById(R.id.item_meta_field_value);
+			key_text.setTextColor(settings.getTextColor());
+			value_text.setTextColor(settings.getTextColor());
+		} else {
+			key_text = convertView.findViewById(R.id.item_meta_field_key);
+			value_text = convertView.findViewById(R.id.item_meta_field_value);
+		}
+		key_text.setText(keys.get(position));
+		value_text.setText(values.get(position));
+		return convertView;
+	}
+
+	/**
+	 * set adapter items
+	 *
+	 * @param meta media meta information
+	 */
+	public void setItems(Media.Meta meta) {
+		if (meta.getWidth() > 1 && meta.getHeight() > 1) {
+			keys.add(context.getString(R.string.dialog_meta_width));
+			values.add(StringUtils.NUMBER_FORMAT.format(meta.getWidth()));
+			keys.add(context.getString(R.string.dialog_meta_height));
+			values.add(StringUtils.NUMBER_FORMAT.format(meta.getHeight()));
+		}
+		if (meta.getBitrate() > 0) {
+			keys.add(context.getString(R.string.dialog_meta_bitrate));
+			values.add(StringUtils.NUMBER_FORMAT.format(meta.getBitrate()) + " kbit/s");
+		}
+		if (meta.getFrameRate() > 0) {
+			keys.add(context.getString(R.string.dialog_meta_framerate));
+			values.add(StringUtils.NUMBER_FORMAT.format(meta.getFrameRate()) + " fps");
+		}
+		if (meta.getDuration() > 0) {
+			StringBuilder durationValue = new StringBuilder();
+			keys.add(context.getString(R.string.dialog_meta_duration));
+			long hours = Math.round(meta.getDuration() / 3600);
+			long mins = Math.round(meta.getDuration() / 60) % 60L;
+			long sec = Math.round(meta.getDuration() % 60.0);
+			if (hours > 0) {
+				if (hours < 10)
+					durationValue.append('0');
+				durationValue.append(hours).append(':');
+			}
+			if (mins < 10)
+				durationValue.append('0');
+			durationValue.append(mins).append(':');
+			if (sec < 10)
+				durationValue.append('0');
+			durationValue.append(sec).append('\n');
+			values.add(durationValue.toString());
+		}
+		notifyDataSetChanged();
+	}
+}

app/src/main/java/org/nuclearfog/twidda/ui/dialogs/FilterDialog.java

@@ -28,7 +28,7 @@ import org.nuclearfog.twidda.backend.helper.update.FilterUpdate;
 import org.nuclearfog.twidda.backend.utils.AppStyles;
 import org.nuclearfog.twidda.backend.utils.ErrorUtils;
 import org.nuclearfog.twidda.model.Filter;
-import org.nuclearfog.twidda.ui.adapter.recyclerview.DropdownAdapter;
+import org.nuclearfog.twidda.ui.adapter.listview.DropdownAdapter;
 
 import java.io.Serializable;
 

app/src/main/java/org/nuclearfog/twidda/ui/dialogs/MetaDialog.java

@@ -0,0 +1,68 @@
+package org.nuclearfog.twidda.ui.dialogs;
+
+import android.app.Activity;
+import android.app.Dialog;
+import android.os.Bundle;
+import android.view.ViewGroup;
+import android.widget.ListView;
+
+import androidx.annotation.NonNull;
+
+import org.nuclearfog.twidda.R;
+import org.nuclearfog.twidda.backend.utils.AppStyles;
+import org.nuclearfog.twidda.model.Media.Meta;
+import org.nuclearfog.twidda.ui.adapter.listview.MetaAdapter;
+
+/**
+ * Dialog to show media information
+ *
+ * @author nuclearfog
+ */
+public class MetaDialog extends Dialog {
+
+	private MetaAdapter adapter;
+
+	/**
+	 *
+	 */
+	public MetaDialog(Activity activity) {
+		super(activity, R.style.MetaDialog);
+		adapter = new MetaAdapter(activity.getApplicationContext());
+	}
+
+
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.dialog_meta);
+		ViewGroup root = findViewById(R.id.dialog_meta_root);
+		ListView list = findViewById(R.id.dialog_meta_list);
+
+		list.setAdapter(adapter);
+		AppStyles.setTheme(root);
+	}
+
+
+	@Override
+	public void show() {
+		// using show(Meta) instead
+	}
+
+
+	@Override
+	public void dismiss() {
+		if (isShowing()) {
+			super.dismiss();
+		}
+	}
+
+	/**
+	 *
+	 */
+	public void show(@NonNull Meta meta) {
+		if (!isShowing()) {
+			super.show();
+			adapter.setItems(meta);
+		}
+	}
+}

app/src/main/java/org/nuclearfog/twidda/ui/dialogs/PollDialog.java

@@ -21,7 +21,7 @@ import org.nuclearfog.twidda.R;
 import org.nuclearfog.twidda.backend.helper.update.PollUpdate;
 import org.nuclearfog.twidda.backend.utils.AppStyles;
 import org.nuclearfog.twidda.model.Instance;
-import org.nuclearfog.twidda.ui.adapter.recyclerview.DropdownAdapter;
+import org.nuclearfog.twidda.ui.adapter.listview.DropdownAdapter;
 import org.nuclearfog.twidda.ui.adapter.recyclerview.EditOptionsAdapter;
 
 import java.io.Serializable;

app/src/main/java/org/nuclearfog/twidda/ui/dialogs/ReportDialog.java

@@ -22,7 +22,7 @@ import org.nuclearfog.twidda.backend.async.ReportUpdater.ReportResult;
 import org.nuclearfog.twidda.backend.helper.update.ReportUpdate;
 import org.nuclearfog.twidda.backend.utils.AppStyles;
 import org.nuclearfog.twidda.backend.utils.ErrorUtils;
-import org.nuclearfog.twidda.ui.adapter.recyclerview.DropdownAdapter;
+import org.nuclearfog.twidda.ui.adapter.listview.DropdownAdapter;
 
 import java.io.Serializable;
 

app/src/main/java/org/nuclearfog/twidda/ui/dialogs/StatusPreferenceDialog.java

@@ -18,7 +18,7 @@ import org.nuclearfog.twidda.backend.helper.update.StatusUpdate;
 import org.nuclearfog.twidda.backend.utils.AppStyles;
 import org.nuclearfog.twidda.config.GlobalSettings;
 import org.nuclearfog.twidda.model.Status;
-import org.nuclearfog.twidda.ui.adapter.recyclerview.DropdownAdapter;
+import org.nuclearfog.twidda.ui.adapter.listview.DropdownAdapter;
 
 import java.util.Locale;
 import java.util.Map;

app/src/main/java/org/nuclearfog/twidda/ui/dialogs/WebPushDialog.java

@@ -27,7 +27,7 @@ import org.nuclearfog.twidda.backend.utils.AppStyles;
 import org.nuclearfog.twidda.backend.utils.ErrorUtils;
 import org.nuclearfog.twidda.config.GlobalSettings;
 import org.nuclearfog.twidda.model.WebPush;
-import org.nuclearfog.twidda.ui.adapter.recyclerview.DropdownAdapter;
+import org.nuclearfog.twidda.ui.adapter.listview.DropdownAdapter;
 
 import java.io.Serializable;
 

app/src/main/res/layout/dialog_meta.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:tools="http://schemas.android.com/tools"
+	android:id="@+id/dialog_meta_root"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent"
+	android:orientation="vertical"
+	tools:context=".ui.dialogs.MetaDialog">
+
+	<TextView
+		android:id="@+id/dialog_meta_title"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:lines="1"
+		android:text="@string/dialog_meta_title"
+		android:textSize="@dimen/dialog_meta_textsize_title"
+		android:layout_margin="@dimen/dialog_meta_margin_layout" />
+
+	<ListView
+		android:id="@+id/dialog_meta_list"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:layout_margin="@dimen/dialog_meta_margin_layout" />
+
+</LinearLayout>

app/src/main/res/layout/item_meta_field.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+	android:layout_width="match_parent"
+	android:layout_height="wrap_content"
+	android:orientation="horizontal">
+
+	<TextView
+		android:id="@+id/item_meta_field_key"
+		android:layout_width="0dp"
+		android:layout_height="wrap_content"
+		android:layout_weight="1"
+		android:maxLines="2"
+		android:layout_marginEnd="@dimen/dialog_media_field_layout_margin"/>
+
+	<TextView
+		android:id="@+id/item_meta_field_value"
+		android:layout_width="0dp"
+		android:layout_height="wrap_content"
+		android:layout_weight="1"
+		android:gravity="top|end"
+		android:maxLines="2" />
+
+</LinearLayout>

app/src/main/res/menu/image.xml

@@ -3,9 +3,13 @@
 
 	<item
 		android:id="@+id/menu_image_save"
-		android:icon="@drawable/save"
 		android:title="@string/item_image_save" />
 
+	<item
+		android:id="@+id/menu_image_show_meta"
+		android:title="@string/menu_media_show_meta"
+		android:visible="false" />
+
 	<item
 		android:id="@+id/menu_image_add_description"
 		android:title="@string/menu_media_add_description"

app/src/main/res/menu/video.xml

@@ -6,6 +6,11 @@
 		android:title="@string/button_share"
 		android:visible="true" />
 
+	<item
+		android:id="@+id/menu_video_show_meta"
+		android:title="@string/menu_media_show_meta"
+		android:visible="false" />
+
 	<item
 		android:id="@+id/menu_video_add_description"
 		android:title="@string/menu_media_add_description"

app/src/main/res/values-de-rDE/strings.xml

@@ -268,6 +268,7 @@
 	<string name="popup_status_text_hint">Status</string>
 	<string name="info_account_selected">%1$s ausgewählt</string>
 	<string name="menu_media_add_description">Beschreibung hinzufügen</string>
+	<string name="menu_media_show_meta">zeige Medieninformationen</string>
 	<string name="menu_message">Nachricht schreiben</string>
 	<string name="status_replyname_empty">Antwort</string>
 	<string name="status_metrics_title">Statusmetriken</string>
@@ -334,6 +335,12 @@
 	<string name="dialog_report_category_label">Meldegrund</string>
 	<string name="dialog_report_title_status">Status melden</string>
 	<string name="dialog_report_apply">melden</string>
+	<string name="dialog_meta_title">Medieninformationen</string>
+	<string name="dialog_meta_width">Breite</string>
+	<string name="dialog_meta_height">Höhe</string>
+	<string name="dialog_meta_bitrate">Bitrate</string>
+	<string name="dialog_meta_framerate">Framerate</string>
+	<string name="dialog_meta_duration">Dauer</string>
 	<string name="settings_enable_push_label">aktiviere Push-Benachrichtigung\n(ntfy-App erforderlich)</string>
 	<string name="notification_favorite">%1$s hat einen Status favorisiert</string>
 	<string name="notification_repost">%1$s hat einen Status geteilt</string>

app/src/main/res/values/dimens.xml

@@ -373,4 +373,11 @@
 	<dimen name="item_field_textsize_time">10sp</dimen>
 	<dimen name="item_field_icon_size">18sp</dimen>
 
+	<!--dimens of dialog_meta.xml-->
+	<dimen name="dialog_meta_textsize_title">22sp</dimen>
+	<dimen name="dialog_meta_margin_layout">5dp</dimen>
+
+	<!--dimens of item_media_field.xml-->
+	<dimen name="dialog_media_field_layout_margin">5dp</dimen>
+
 </resources>

app/src/main/res/values/strings.xml

@@ -192,6 +192,7 @@
 	<string name="menu_toolbar_request">Follow requests</string>
 	<string name="menu_toolbar_excluded_users">Blocklists</string>
 	<string name="menu_media_add_description">add description</string>
+	<string name="menu_media_show_meta">show metadata</string>
 	<string name="menu_message">write message</string>
 	<string name="dialog_link_image_preview">Link preview image</string>
 	<string name="app_info_icons">svg icons from:</string>
@@ -358,6 +359,12 @@
 	<string name="dialog_report_category_label">what to report</string>
 	<string name="dialog_report_title_status">report status</string>
 	<string name="dialog_report_apply">report</string>
+	<string name="dialog_meta_title">Media information</string>
+	<string name="dialog_meta_width">width</string>
+	<string name="dialog_meta_height">height</string>
+	<string name="dialog_meta_bitrate">bitrate</string>
+	<string name="dialog_meta_framerate">framerate</string>
+	<string name="dialog_meta_duration">duration</string>
 	<string name="settings_enable_push_label">enable push notification\n(requires ntfy app)</string>
 	<string name="notification_favorite">%1$s favorited your status</string>
 	<string name="notification_repost">%1$s reposted your status</string>

app/src/main/res/values/styles.xml

@@ -23,6 +23,10 @@
 		<item name="android:windowCloseOnTouchOutside">false</item>
 	</style>
 
+	<style name="MetaDialog" parent="DefaultDialog">
+		<item name="android:windowMinWidthMinor">60%</item>
+	</style>
+
 	<style name="AppInfoDialog" parent="DefaultDialog">
 		<item name="android:background">@android:color/white</item>
 		<item name="android:textColor">@android:color/black</item>