Replace all SeekBars with Material Components Sliders

OsmAnd/res/layout-land/map_hud_bottom.xml

@@ -183,8 +183,9 @@
                 android:layout_marginBottom="@dimen/map_button_size"
                 android:orientation="horizontal">
 
-                <SeekBar
+                <com.google.android.material.slider.Slider
-                    android:id="@+id/map_transparency_seekbar"
+                    android:id="@+id/map_transparency_slider"
+                    style="@style/Widget.Styled.Slider"
                     android:layout_width="@dimen/map_trans_seek_size"
                     android:layout_height="wrap_content"
                     android:layout_gravity="center"/>

OsmAnd/res/layout/adjust_speed_slider.xml

@@ -80,11 +80,13 @@
 
 	</LinearLayout>
 
-	<SeekBar
+	<com.google.android.material.slider.Slider
-		android:id="@+id/speed_seekbar"
+		android:id="@+id/speed_slider"
+		style="@style/Widget.Styled.Slider"
 		android:layout_width="match_parent"
 		android:layout_height="wrap_content"
-		android:max="100"
+		android:layout_marginLeft="@dimen/content_padding_small"
+		android:layout_marginRight="@dimen/content_padding_small"
 		android:paddingBottom="@dimen/content_padding" />
 
 </LinearLayout>

OsmAnd/res/layout/animate_route.xml

@@ -34,9 +34,10 @@
 			android:layout_marginEnd="@dimen/content_padding"
 			android:layout_marginStart="@dimen/dialog_content_margin" />
 
-		<SeekBar
+		<com.google.android.material.slider.Slider
 			android:id="@+id/Speedup"
-			android:layout_width="fill_parent"
+			style="@style/Widget.Styled.Slider"
+			android:layout_width="match_parent"
 			android:layout_height="wrap_content"
 			android:layout_marginLeft="@dimen/dialog_content_margin"
 			android:layout_marginTop="@dimen/map_small_button_margin"

OsmAnd/res/layout/bottom_sheet_item_slider_with_two_text.xml

@@ -3,14 +3,14 @@
     xmlns:osmand="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:orientation="vertical"
-    android:paddingLeft="@dimen/content_padding"
-    android:paddingRight="@dimen/content_padding"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
     <FrameLayout
         android:layout_width="match_parent"
-        android:layout_height="wrap_content">
+        android:layout_height="wrap_content"
+        android:paddingLeft="@dimen/content_padding"
+        android:paddingRight="@dimen/content_padding">
 
         <net.osmand.plus.widgets.TextViewEx
             android:id="@android:id/title"
@@ -36,10 +36,10 @@
 
     <com.google.android.material.slider.Slider
         android:id="@+id/slider"
-        style="@style/Widget.MaterialComponents.Slider"
+        style="@style/Widget.Styled.Slider"
-        android:theme="@style/Theme.MaterialComponents"
+        android:layout_marginLeft="@dimen/content_padding"
+        android:layout_marginRight="@dimen/content_padding"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
+        android:layout_height="wrap_content" />
-        osmand:labelBehavior="gone" />
 
 </LinearLayout>

OsmAnd/res/layout/download_tiles.xml

@@ -21,8 +21,9 @@
 	    android:layout_marginEnd="10dp"
 	    android:layout_marginStart="10dp" />
 
-    <SeekBar
+    <com.google.android.material.slider.Slider
         android:id="@+id/ZoomToDownload"
+		style="@style/Widget.Styled.Slider"
         android:layout_width="fill_parent"
         android:layout_height="wrap_content"
         android:layout_marginLeft="@dimen/content_padding"

OsmAnd/res/layout/fragment_terrain.xml

@@ -198,17 +198,14 @@
 
 					<com.google.android.material.slider.Slider
 						android:id="@+id/transparency_slider"
-						style="@style/Widget.MaterialComponents.Slider"
+						style="@style/Widget.Styled.Slider"
 						android:layout_width="match_parent"
 						android:layout_height="wrap_content"
 						android:paddingTop="@dimen/list_header_settings_top_margin"
 						android:paddingBottom="@dimen/dialog_content_margin"
-						android:stepSize="1"
+						android:layout_marginLeft="@dimen/content_padding"
-						android:theme="@style/Theme.MaterialComponents"
+						android:layout_marginRight="@dimen/content_padding"
-						app:haloRadius="@dimen/slider_thumb_size"
+						android:stepSize="1" />
-						app:thumbRadius="@dimen/slider_thumb_size"
-						app:tickColor="@android:color/transparent"
-						app:trackHeight="@dimen/slider_track_height" />
 
 					<View
 						android:layout_width="match_parent"
@@ -281,16 +278,13 @@
 
 						<com.google.android.material.slider.Slider
 							android:id="@+id/zoom_slider"
-							style="@style/Widget.MaterialComponents.Slider"
+							style="@style/Widget.Styled.Slider"
 							android:layout_width="0dp"
 							android:layout_height="wrap_content"
 							android:layout_weight="1"
-							android:stepSize="1"
+							android:layout_marginLeft="@dimen/content_padding"
-							android:theme="@style/Theme.MaterialComponents"
+							android:layout_marginRight="@dimen/content_padding"
-							app:haloRadius="@dimen/slider_thumb_size"
+							android:stepSize="1" />
-							app:thumbRadius="@dimen/slider_thumb_size"
-							app:tickColor="@color/color_black"
-							app:trackHeight="@dimen/slider_track_height" />
 
 						<net.osmand.plus.widgets.TextViewEx
 							android:id="@+id/zoom_value_max"

OsmAnd/res/layout/list_item_progress.xml

@@ -33,14 +33,16 @@
             android:layout_height="wrap_content"
             tools:src="@drawable/ic_action_opacity"/>
 
-        <SeekBar
+        <com.google.android.material.slider.Slider
-            android:id="@+id/seekbar"
+            android:id="@+id/slider"
-            style="?android:attr/progressBarStyleHorizontal"
+            style="@style/Widget.Styled.Slider"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:valueFrom="0"
+            android:valueTo="255"
+            android:layout_gravity="center_vertical"
             android:layout_marginLeft="@dimen/content_padding_half"
             android:layout_marginRight="@dimen/content_padding"
-            android:max="255"
 	        android:layout_marginStart="@dimen/content_padding_half"
 	        android:layout_marginEnd="@dimen/content_padding" />
     </LinearLayout>

OsmAnd/res/layout/map_hud_bottom.xml

@@ -98,15 +98,13 @@
             android:layout_marginBottom="@dimen/map_button_size"
             android:orientation="horizontal">
 
-            <SeekBar
+            <com.google.android.material.slider.Slider
-                android:id="@+id/map_transparency_seekbar"
+                android:id="@+id/map_transparency_slider"
+                style="@style/Widget.Styled.Slider"
                 android:layout_width="@dimen/map_trans_seek_size"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center"
-                android:paddingLeft="6dp"
+                android:layout_margin="@dimen/dashPadding" />
-                android:paddingRight="6dp"
-	            android:paddingStart="6dp"
-	            android:paddingEnd="6dp" />
 
         </LinearLayout>
 

OsmAnd/res/layout/recalculation_angle_dialog.xml

@@ -118,11 +118,15 @@
 
             </LinearLayout>
 
-            <SeekBar
+            <com.google.android.material.slider.Slider
-                android:id="@+id/angle_seekbar"
+                android:id="@+id/angle_slider"
+                style="@style/Widget.Styled.Slider"
+                android:valueTo="90"
+                android:stepSize="5"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:max="90"
+                android:layout_marginLeft="@dimen/content_padding_small"
+                android:layout_marginRight="@dimen/content_padding_small"
                 android:paddingBottom="@dimen/content_padding" />
 
         </LinearLayout>

OsmAnd/res/layout/slider.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/slider_container"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <com.google.android.material.slider.Slider
+        android:id="@+id/slider"
+        style="@style/Widget.Styled.Slider"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+
+</FrameLayout>

OsmAnd/res/values/sizes.xml

@@ -361,9 +361,10 @@
 	<dimen name="setting_select_icon_button_height">128dp</dimen>
 	<dimen name="setting_select_icon_button_width">164dp</dimen>
 
-	<dimen name="slider_thumb_size">8dp</dimen>
+	<dimen name="slider_thumb_size">6dp</dimen>
 	<dimen name="slider_thumb_halo_size">12dp</dimen>
 	<dimen name="slider_track_height">2dp</dimen>
+	<dimen name="mtrl_slider_track_side_padding">@dimen/slider_thumb_size</dimen>
 
 	<dimen name="list_item_move_header_min_height">65dp</dimen>
 </resources>

OsmAnd/res/values/styles.xml

@@ -112,6 +112,11 @@
         <item name="divider_color">@color/divider_color_dark</item>
     </style>
 
+    <!-- MaterialComponents Widgets override -->
+    <style name="Widget.Styled.Slider" parent="Widget.MaterialComponents.Slider">
+        <item name="android:theme">@style/Theme.MaterialComponents</item>
+    </style>
+
     <!-- Osmand themes styles -->
     <style name="OsmandLightTheme" parent="Theme.AppCompat.Light">
         <item name="android:textDirection">locale</item>

OsmAnd/src/net/osmand/plus/ContextMenuAdapter.java

@@ -16,7 +16,6 @@ import android.widget.CompoundButton;
 import android.widget.CompoundButton.OnCheckedChangeListener;
 import android.widget.ImageView;
 import android.widget.ProgressBar;
-import android.widget.SeekBar;
 import android.widget.TextView;
 
 import androidx.annotation.ColorRes;
@@ -28,6 +27,8 @@ import androidx.appcompat.widget.AppCompatImageView;
 import androidx.core.content.ContextCompat;
 import androidx.fragment.app.FragmentActivity;
 
+import com.google.android.material.slider.Slider;
+
 import net.osmand.AndroidUtils;
 import net.osmand.PlatformUtil;
 import net.osmand.plus.activities.HelpActivity;
@@ -464,33 +465,26 @@ public class ContextMenuAdapter {
 				}
 			}
 
-			if (convertView.findViewById(R.id.seekbar) != null) {
+			Slider slider = (Slider) convertView.findViewById(R.id.slider);
-				SeekBar seekBar = (SeekBar) convertView.findViewById(R.id.seekbar);
+			if (slider != null) {
 				if (item.getProgress() != ContextMenuItem.INVALID_ID) {
-					seekBar.setProgress(item.getProgress());
+					slider.setValue(item.getProgress());
-					seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
+					slider.addOnChangeListener(new Slider.OnChangeListener() {
 						@Override
-						public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+						public void onValueChange(@NonNull Slider slider, float value, boolean fromUser) {
 							OnIntegerValueChangedListener listener = item.getIntegerListener();
+							int progress = (int) value;
 							item.setProgress(progress);
 							if (listener != null && fromUser) {
 								listener.onIntegerValueChangedListener(progress);
 							}
 						}
-
-						@Override
-						public void onStartTrackingTouch(SeekBar seekBar) {
-						}
-
-						@Override
-						public void onStopTrackingTouch(SeekBar seekBar) {
-						}
 					});
-					seekBar.setVisibility(View.VISIBLE);
+					slider.setVisibility(View.VISIBLE);
-				} else if (seekBar != null) {
+				} else {
-					seekBar.setVisibility(View.GONE);
+					slider.setVisibility(View.GONE);
 				}
-				UiUtilities.setupSeekBar(app, seekBar, nightMode, profileDependent);
+				UiUtilities.setupSlider(slider, nightMode, currentModeColor);
 			}
 
 			View progressBar = convertView.findViewById(R.id.ProgressBar);

OsmAnd/src/net/osmand/plus/OsmAndLocationSimulation.java

@@ -4,12 +4,14 @@ package net.osmand.plus;
 import android.app.Activity;
 import android.content.DialogInterface;
 import android.view.View;
-import android.widget.SeekBar;
 import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.view.ContextThemeWrapper;
+import androidx.core.content.ContextCompat;
+
+import com.google.android.material.slider.Slider;
 
 import net.osmand.CallbackWithObject;
 import net.osmand.GPXUtilities;
@@ -55,15 +57,17 @@ public class OsmAndLocationSimulation {
 			if (useGpx) {
 				boolean nightMode = app.getDaynightHelper().isNightModeForMapControls();
 				int themeRes = nightMode ? R.style.OsmandDarkTheme : R.style.OsmandLightTheme;
+				ApplicationMode appMode = app.getSettings().getApplicationMode();
+				int selectedModeColor = ContextCompat.getColor(app, appMode.getIconColorInfo().getColor(nightMode));
 				AlertDialog.Builder builder = new AlertDialog.Builder(new ContextThemeWrapper(ma, themeRes));
 				builder.setTitle(R.string.animate_route);
 
 				final View view = ma.getLayoutInflater().inflate(R.layout.animate_route, null);
 				((TextView) view.findViewById(R.id.MinSpeedup)).setText("1"); //$NON-NLS-1$
 				((TextView) view.findViewById(R.id.MaxSpeedup)).setText("4"); //$NON-NLS-1$
-				final SeekBar speedup = (SeekBar) view.findViewById(R.id.Speedup);
+				final Slider speedup = (Slider) view.findViewById(R.id.Speedup);
-				speedup.setMax(3);
+				speedup.setValueTo(3);
-				UiUtilities.setupSeekBar(app, speedup, nightMode, true);
+				UiUtilities.setupSlider(speedup, nightMode, selectedModeColor, true);
 				builder.setView(view);
 				builder.setPositiveButton(R.string.shared_string_ok, new DialogInterface.OnClickListener() {
 
@@ -74,7 +78,7 @@ public class OsmAndLocationSimulation {
 							@Override
 							public boolean processResult(GPXUtilities.GPXFile[] result) {
 								GPXRouteParamsBuilder builder = new GPXRouteParamsBuilder(result[0], app.getSettings());
-								startAnimationThread(app, builder.getPoints(), true, speedup.getProgress() + 1);
+								startAnimationThread(app, builder.getPoints(), true, speedup.getValue() + 1);
 								if (runnable != null) {
 									runnable.run();
 								}

OsmAnd/src/net/osmand/plus/UiUtilities.java

@@ -39,6 +39,7 @@ import androidx.core.view.ViewCompat;
 import androidx.core.widget.TintableCompoundButton;
 
 import com.google.android.material.snackbar.BaseTransientBottomBar;
+import com.google.android.material.slider.Slider;
 import com.google.android.material.snackbar.Snackbar;
 import com.google.android.material.snackbar.SnackbarContentLayout;
 
@@ -496,31 +497,56 @@ public class UiUtilities {
 		compoundButton.setBackgroundColor(Color.TRANSPARENT);
 	}
 
-	public static void setupSeekBar(@NonNull OsmandApplication app, @NonNull SeekBar seekBar, 
+	public static ViewGroup createSliderView(@NonNull Context ctx, boolean nightMode) {
-	                                boolean nightMode, boolean profileDependent) {
+		return (ViewGroup) getInflater(ctx, nightMode).inflate(R.layout.slider, null, false);
-		int activeColor = ContextCompat.getColor(app, profileDependent ?
-				app.getSettings().APPLICATION_MODE.get().getIconColorInfo().getColor(nightMode) :
-				nightMode ? R.color.active_color_primary_dark : R.color.active_color_primary_light);
-		setupSeekBar(seekBar, activeColor, nightMode);
 	}
 
-	public static void setupSeekBar(@NonNull SeekBar seekBar, @ColorInt int activeColor, boolean nightMode) {
+	public static void setupSlider(Slider slider, boolean nightMode, @ColorInt Integer activeColor) {
-		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
+		setupSlider(slider, nightMode, activeColor, false);
-			int backgroundColor = ContextCompat.getColor(seekBar.getContext(), nightMode
+	}
-					? R.color.icon_color_secondary_dark : R.color.icon_color_default_light);
+
-			if (seekBar.getProgressDrawable() instanceof LayerDrawable) {
+	public static void setupSlider(Slider slider, boolean nightMode,
-				LayerDrawable progressDrawable = (LayerDrawable) seekBar.getProgressDrawable();
+	                               @ColorInt Integer activeColor, boolean showTicks) {
-				Drawable background = progressDrawable.findDrawableByLayerId(android.R.id.background);
+		Context ctx = slider.getContext();
-				if (background != null) {
+		if (ctx == null) {
-					background.setColorFilter(backgroundColor, PorterDuff.Mode.SRC_IN);
+			return;
-				}
-				Drawable progress = progressDrawable.findDrawableByLayerId(android.R.id.progress);
-				if (progress != null) {
-					progress.setColorFilter(activeColor, PorterDuff.Mode.SRC_IN);
-				}
-			}
-			seekBar.getThumb().setColorFilter(activeColor, PorterDuff.Mode.SRC_IN);
 		}
+		int themeId = nightMode ? R.style.OsmandDarkTheme : R.style.OsmandLightTheme;
+		ctx = new ContextThemeWrapper(ctx, themeId);
+
+		// colors
+		int[][] states = new int[][] {
+				new int[] {android.R.attr.state_enabled},
+				new int[] {-android.R.attr.state_enabled}
+		};
+		if (activeColor == null) {
+			activeColor = AndroidUtils.getColorFromAttr(ctx, R.attr.active_color_basic);
+		}
+		int activeDisableColor = getColorWithAlpha(activeColor, 0.25f);
+		ColorStateList activeCsl = new ColorStateList(states,
+				new int[] {activeColor, activeDisableColor});
+		int inactiveColor = AndroidUtils.getColorFromAttr(ctx, R.attr.default_icon_color);
+		ColorStateList inactiveCsl = new ColorStateList(states,
+				new int[] {inactiveColor, inactiveColor});
+		slider.setTrackColorActive(activeCsl);
+		slider.setTrackColorInactive(inactiveCsl);
+		slider.setHaloColor(activeCsl);
+		slider.setThumbColor(activeCsl);
+		int ticksColor = showTicks ? ContextCompat.getColor(ctx,
+				nightMode ? R.color.color_black : R.color.color_white) :
+				Color.TRANSPARENT;
+		slider.setTickColor(new ColorStateList(states, new int[] {ticksColor, ticksColor}));
+
+		// sizes
+		int thumbRadius = ctx.getResources().getDimensionPixelSize(R.dimen.slider_thumb_size);
+		int haloRadius = ctx.getResources().getDimensionPixelSize(R.dimen.slider_thumb_halo_size);
+		int trackHeight = ctx.getResources().getDimensionPixelSize(R.dimen.slider_track_height);
+		slider.setThumbRadius(thumbRadius);
+		slider.setHaloRadius(haloRadius);
+		slider.setTrackHeight(trackHeight);
+
+		// label behavior
+		slider.setLabelBehavior(Slider.LABEL_GONE);
 	}
 	
 	public static void setupDialogButton(boolean nightMode, View buttonView, DialogButtonType buttonType, @StringRes int buttonTextId) {

OsmAnd/src/net/osmand/plus/activities/DownloadTilesDialog.java

@@ -5,12 +5,14 @@ import android.content.Context;
 import android.content.DialogInterface;
 import android.view.LayoutInflater;
 import android.view.View;
-import android.widget.SeekBar;
 import android.widget.TextView;
 import android.widget.Toast;
 
+import androidx.annotation.NonNull;
 import androidx.appcompat.app.AlertDialog;
 
+import com.google.android.material.slider.Slider;
+
 import net.osmand.PlatformUtil;
 import net.osmand.data.QuadRect;
 import net.osmand.data.RotatedTileBox;
@@ -71,37 +73,28 @@ public class DownloadTilesDialog {
 		
 		((TextView)view.findViewById(R.id.MinZoom)).setText(zoom+""); //$NON-NLS-1$
 		((TextView)view.findViewById(R.id.MaxZoom)).setText(max+""); //$NON-NLS-1$
-		final SeekBar seekBar = (SeekBar) view.findViewById(R.id.ZoomToDownload);
+		final Slider slider = (Slider) view.findViewById(R.id.ZoomToDownload);
-		seekBar.setMax(max - zoom);
+		slider.setValueTo(max - zoom);
-		seekBar.setProgress((max - zoom) / 2);
+		int progress = (max - zoom) / 2;
+		slider.setValue(progress);
 		
 		final TextView downloadText = ((TextView) view.findViewById(R.id.DownloadDescription));
 		final String template = ctx.getString(R.string.tiles_to_download_estimated_size);
 		
 		
-		updateLabel(zoom, rb.getLatLonBounds(), downloadText, template, seekBar.getProgress());
+		updateLabel(zoom, rb.getLatLonBounds(), downloadText, template, (int) slider.getValue());
-		seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener(){
+		slider.addOnChangeListener(new Slider.OnChangeListener() {
-
 			@Override
-			public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+			public void onValueChange(@NonNull Slider slider, float value, boolean fromUser) {
-				updateLabel(zoom, rb.getLatLonBounds(), downloadText, template, progress);
+				updateLabel(zoom, rb.getLatLonBounds(), downloadText, template, (int) value);
 			}
-
-			@Override
-			public void onStartTrackingTouch(SeekBar seekBar) {
-			}
-
-			@Override
-			public void onStopTrackingTouch(SeekBar seekBar) {
-			}
-			
 		});
 		
 		builder.setPositiveButton(R.string.shared_string_download, new DialogInterface.OnClickListener(){
 			@Override
 			public void onClick(DialogInterface dialog, int which) {
 				dialog.dismiss();
-				run(zoom, seekBar.getProgress(), rb.getLatLonBounds(), mapSource);
+				run(zoom, (int) slider.getValue(), rb.getLatLonBounds(), mapSource);
 			}
 		});
 		builder.setNegativeButton(R.string.shared_string_cancel, null);

OsmAnd/src/net/osmand/plus/activities/SettingsBaseActivity.java

@@ -31,7 +31,6 @@ import net.osmand.plus.OsmandSettings.OsmandPreference;
 import net.osmand.plus.R;
 import net.osmand.plus.profiles.AppProfileArrayAdapter;
 import net.osmand.plus.profiles.ProfileDataObject;
-import net.osmand.plus.views.SeekBarPreference;
 
 import org.apache.commons.logging.Log;
 
@@ -61,7 +60,6 @@ public abstract class SettingsBaseActivity extends ActionBarPreferenceActivity
 	private Map<String, OsmandPreference<Boolean>> booleanPreferences = new LinkedHashMap<String, OsmandPreference<Boolean>>();
 	private Map<String, OsmandPreference<?>> listPreferences = new LinkedHashMap<String, OsmandPreference<?>>();
 	private Map<String, OsmandPreference<String>> editTextPreferences = new LinkedHashMap<String, OsmandPreference<String>>();
-	private Map<String, OsmandPreference<Integer>> seekBarPreferences = new LinkedHashMap<String, OsmandPreference<Integer>>();
 
 	private Map<String, Map<String, ?>> listPrefValues = new LinkedHashMap<String, Map<String, ?>>();
 
@@ -115,13 +113,6 @@ public abstract class SettingsBaseActivity extends ActionBarPreferenceActivity
 		return p;
 	}
 	
-	public void registerSeekBarPreference(OsmandPreference<Integer> b, PreferenceScreen screen) {
-		SeekBarPreference p = (SeekBarPreference) screen.findPreference(b.getId());
-		p.setOnPreferenceChangeListener(this);
-		screenPreferences.put(b.getId(), p);
-		seekBarPreferences.put(b.getId(), b);
-	}
-	
 	public static String getRoutingStringPropertyName(Context ctx, String propertyName, String defValue) {
 		try {
 			Field f = R.string.class.getField("routing_attr_" + propertyName + "_name");
@@ -209,18 +200,6 @@ public abstract class SettingsBaseActivity extends ActionBarPreferenceActivity
 		return propertyValue;
 	}
 
-	public SeekBarPreference createSeekBarPreference(OsmandPreference<Integer> b, int title, int summary, int dialogTextId, int defValue,
-			int maxValue) {
-		SeekBarPreference p = new SeekBarPreference(this, dialogTextId, defValue, maxValue);
-		p.setTitle(title);
-		p.setKey(b.getId());
-		p.setSummary(summary);
-		p.setOnPreferenceChangeListener(this);
-		screenPreferences.put(b.getId(), p);
-		seekBarPreferences.put(b.getId(), b);
-		return p;
-	}
-
 	public <T> void registerListPreference(OsmandPreference<T> b, PreferenceGroup screen, String[] names, T[] values) {
 		ListPreference p = (ListPreference) screen.findPreference(b.getId());
 		prepareListPreference(b, names, values, p);
@@ -531,11 +510,6 @@ public abstract class SettingsBaseActivity extends ActionBarPreferenceActivity
 			pref.setChecked(b.get());
 		}
 
-		for (OsmandPreference<Integer> b : seekBarPreferences.values()) {
-			SeekBarPreference pref = (SeekBarPreference) screenPreferences.get(b.getId());
-			pref.setValue(b.get());
-		}
-
 		for (OsmandPreference<?> p : listPreferences.values()) {
 			ListPreference listPref = (ListPreference) screenPreferences.get(p.getId());
 			Map<String, ?> prefValues = listPrefValues.get(p.getId());
@@ -563,13 +537,10 @@ public abstract class SettingsBaseActivity extends ActionBarPreferenceActivity
 	public boolean onPreferenceChange(Preference preference, Object newValue) {
 		// handle boolean preferences
 		OsmandPreference<Boolean> boolPref = booleanPreferences.get(preference.getKey());
-		OsmandPreference<Integer> seekPref = seekBarPreferences.get(preference.getKey());
 		OsmandPreference<Object> listPref = (OsmandPreference<Object>) listPreferences.get(preference.getKey());
 		OsmandPreference<String> editPref = editTextPreferences.get(preference.getKey());
 		if (boolPref != null) {
 			boolPref.set((Boolean) newValue);
-		} else if (seekPref != null) {
-			seekPref.set((Integer) newValue);
 		} else if (editPref != null) {
 			editPref.set((String) newValue);
 		} else if (listPref != null) {

OsmAnd/src/net/osmand/plus/activities/SettingsNavigationActivity.java

@@ -21,8 +21,6 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
-import android.widget.SeekBar;
-import android.widget.SeekBar.OnSeekBarChangeListener;
 import android.widget.TextView;
 import android.widget.Toast;
 
@@ -30,6 +28,8 @@ import androidx.annotation.NonNull;
 import androidx.appcompat.app.AlertDialog;
 import androidx.core.content.ContextCompat;
 
+import com.google.android.material.slider.Slider;
+
 import net.osmand.plus.ApplicationMode;
 import net.osmand.plus.ContextMenuAdapter;
 import net.osmand.plus.ContextMenuItem;
@@ -829,70 +829,71 @@ public class SettingsNavigationActivity extends SettingsBaseActivity {
 										 final int[] minValue, final int[] defaultValue, final int[] maxValue,
 										 final int min, final int max, View seekbarView, final boolean nightMode,
 	                                     final int activeColor) {
-		View seekbarLayout;
+		View sliderLayout;
 		int titleId;
 		final int[] speedValue;
 		switch (type) {
 			case DEFAULT_SPEED_ONLY:
 				speedValue = defaultValue;
-				seekbarLayout = seekbarView.findViewById(R.id.min_speed_layout);
+				sliderLayout = seekbarView.findViewById(R.id.min_speed_layout);
 				titleId = R.string.default_speed_setting_title;
 				break;
 			case MIN_SPEED:
 				speedValue = minValue;
-				seekbarLayout = seekbarView.findViewById(R.id.min_speed_layout);
+				sliderLayout = seekbarView.findViewById(R.id.min_speed_layout);
 				titleId = R.string.shared_string_min_speed;
 				break;
 			case MAX_SPEED:
 				speedValue = maxValue;
-				seekbarLayout = seekbarView.findViewById(R.id.max_speed_layout);
+				sliderLayout = seekbarView.findViewById(R.id.max_speed_layout);
 				titleId = R.string.shared_string_max_speed;
 				break;
 			default:
 				speedValue = defaultValue;
-				seekbarLayout = seekbarView.findViewById(R.id.default_speed_layout);
+				sliderLayout = seekbarView.findViewById(R.id.default_speed_layout);
 				titleId = R.string.default_speed_setting_title;
 				break;
 		}
-		final SeekBar speedSeekBar = seekbarLayout.findViewById(R.id.speed_seekbar);
+		final Slider slider = sliderLayout.findViewById(R.id.speed_slider);
-		final TextView speedTitleTv = seekbarLayout.findViewById(R.id.speed_title);
+		final TextView speedTitleTv = sliderLayout.findViewById(R.id.speed_title);
-		final TextView speedMinTv = seekbarLayout.findViewById(R.id.speed_seekbar_min_text);
+		final TextView speedMinTv = sliderLayout.findViewById(R.id.speed_seekbar_min_text);
-		final TextView speedMaxTv = seekbarLayout.findViewById(R.id.speed_seekbar_max_text);
+		final TextView speedMaxTv = sliderLayout.findViewById(R.id.speed_seekbar_max_text);
-		final TextView speedUnitsTv = seekbarLayout.findViewById(R.id.speed_units);
+		final TextView speedUnitsTv = sliderLayout.findViewById(R.id.speed_units);
-		final TextView speedTv = seekbarLayout.findViewById(R.id.speed_text);
+		final TextView speedTv = sliderLayout.findViewById(R.id.speed_text);
 
 		speedTitleTv.setText(titleId);
 		speedMinTv.setText(String.valueOf(min));
 		speedMaxTv.setText(String.valueOf(max));
 		speedTv.setText(String.valueOf(speedValue[0]));
 		speedUnitsTv.setText(speedUnits);
-		speedSeekBar.setMax(max - min);
+		slider.setValueTo(max - min);
-		speedSeekBar.setProgress(Math.max(speedValue[0] - min, 0));
+		slider.setValue(Math.max(speedValue[0] - min, 0));
-		speedSeekBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
+		slider.addOnChangeListener(new Slider.OnChangeListener() {
 			@Override
-			public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+			public void onValueChange(@NonNull Slider slider, float val, boolean fromUser) {
+				int progress = (int) val;
 				int value = progress + min;
 				switch (type) {
 					case DEFAULT_SPEED:
 					case DEFAULT_SPEED_ONLY:
 						if (value > maxValue[0]) {
 							value = maxValue[0];
-							speedSeekBar.setProgress(Math.max(value - min, 0));
+							slider.setValue(Math.max(value - min, 0));
 						} else if (value < minValue[0]) {
 							value = minValue[0];
-							speedSeekBar.setProgress(Math.max(value - min, 0));
+							slider.setValue(Math.max(value - min, 0));
 						}
 						break;
 					case MIN_SPEED:
 						if (value > defaultValue[0]) {
 							value = defaultValue[0];
-							speedSeekBar.setProgress(Math.max(value - min, 0));
+							slider.setValue(Math.max(value - min, 0));
 						}
 						break;
 					case MAX_SPEED:
 						if (value < defaultValue[0]) {
 							value = defaultValue[0];
-							speedSeekBar.setProgress(Math.max(value - min, 0));
+							slider.setValue(Math.max(value - min, 0));
 						}
 						break;
 					default:
@@ -901,15 +902,7 @@ public class SettingsNavigationActivity extends SettingsBaseActivity {
 				speedValue[0] = value;
 				speedTv.setText(String.valueOf(value));
 			}
-
-			@Override
-			public void onStartTrackingTouch(SeekBar seekBar) {
-			}
-
-			@Override
-			public void onStopTrackingTouch(SeekBar seekBar) {
-			}
 		});
-		UiUtilities.setupSeekBar(speedSeekBar, activeColor, nightMode);
+		UiUtilities.setupSlider(slider, nightMode, activeColor);
 	}
 }

OsmAnd/src/net/osmand/plus/monitoring/OsmandMonitoringPlugin.java

@@ -6,20 +6,22 @@ import android.content.DialogInterface;
 import android.content.DialogInterface.OnClickListener;
 import android.graphics.drawable.Drawable;
 import android.view.View;
+import android.view.ViewGroup;
 import android.widget.CompoundButton;
 import android.widget.CompoundButton.OnCheckedChangeListener;
 import android.widget.LinearLayout;
 import android.widget.LinearLayout.LayoutParams;
-import android.widget.SeekBar;
-import android.widget.SeekBar.OnSeekBarChangeListener;
 import android.widget.TextView;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.widget.AppCompatCheckBox;
 import androidx.core.content.ContextCompat;
 import androidx.fragment.app.FragmentActivity;
 
+import com.google.android.material.slider.Slider;
+
 import net.osmand.AndroidUtils;
 import net.osmand.Location;
 import net.osmand.ValueHolder;
@@ -506,8 +508,10 @@ public class OsmandMonitoringPlugin extends OsmandPlugin {
 														  final int[] minutes, final ValueHolder<Boolean> choice,
 														  final ValueHolder<Integer> v,
 														  final boolean showTrackSelection, boolean nightMode) {
+		ApplicationMode appMode = app.getSettings().getApplicationMode();
 		int textColorPrimary = ContextCompat.getColor(app, nightMode ? R.color.text_color_primary_dark : R.color.text_color_primary_light);
 		int textColorSecondary = ContextCompat.getColor(app, nightMode ? R.color.text_color_secondary_dark : R.color.text_color_secondary_light);
+		int selectedModeColor = ContextCompat.getColor(uiCtx, appMode.getIconColorInfo().getColor(nightMode));
 		LinearLayout ll = new LinearLayout(uiCtx);
 		final int dp24 = AndroidUtils.dpToPx(uiCtx, 24f);
 		final int dp8 = AndroidUtils.dpToPx(uiCtx, 8f);
@@ -516,22 +520,20 @@ public class OsmandMonitoringPlugin extends OsmandPlugin {
 		tv.setText(String.format(patternMsg, uiCtx.getString(R.string.int_continuosly)));
 		tv.setTextColor(textColorSecondary);
 
-		SeekBar sp = new SeekBar(uiCtx);
-		sp.setPadding(dp24 + dp8, dp8, dp24 + dp8, dp8);
 		final int secondsLength = seconds.length;
-    	final int minutesLength = minutes.length;
+		final int minutesLength = minutes.length;
-    	sp.setMax(secondsLength + minutesLength - 1);
+		ViewGroup sliderContainer = UiUtilities.createSliderView(uiCtx, nightMode);
-		sp.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
+		sliderContainer.setPadding(dp24, dp8, dp24, dp8);
-			@Override
+		Slider sp = sliderContainer.findViewById(R.id.slider);
-			public void onStopTrackingTouch(SeekBar seekBar) {
+		UiUtilities.setupSlider(sp, nightMode, selectedModeColor, true);
-			}
+		sp.setValueTo(secondsLength + minutesLength - 1);
-			@Override
+		sp.setStepSize(1);
-			public void onStartTrackingTouch(SeekBar seekBar) {
+		sp.addOnChangeListener(new Slider.OnChangeListener() {
-			}
 
 			@Override
-			public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+			public void onValueChange(@NonNull Slider slider, float value, boolean fromUser) {
 				String s;
+				int progress = (int) value;
 				if(progress == 0) {
 					s = uiCtx.getString(R.string.int_continuosly);
 					v.value = 0;
@@ -545,20 +547,18 @@ public class OsmandMonitoringPlugin extends OsmandPlugin {
 					}
 				}
 				tv.setText(String.format(patternMsg, s));
-				
 			}
 		});
-		UiUtilities.setupSeekBar(app, sp, nightMode, true);
 		
 		for (int i = 0; i < secondsLength + minutesLength - 1; i++) {
 			if (i < secondsLength) {
 				if (v.value <= seconds[i] * 1000) {
-					sp.setProgress(i);
+					sp.setValue(i);
 					break;
 				}
 			} else {
 				if (v.value <= minutes[i - secondsLength] * 1000 * 60) {
-					sp.setProgress(i);
+					sp.setValue(i);
 					break;
 				}
 			}
@@ -566,7 +566,7 @@ public class OsmandMonitoringPlugin extends OsmandPlugin {
 		
 		ll.setOrientation(LinearLayout.VERTICAL);
 		ll.addView(tv);
-		ll.addView(sp);
+		ll.addView(sliderContainer);
 		if (choice != null) {
 			final AppCompatCheckBox cb = new AppCompatCheckBox(uiCtx);
 			cb.setText(R.string.confirm_every_run);

OsmAnd/src/net/osmand/plus/settings/RouteParametersFragment.java

@@ -9,9 +9,9 @@ import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.ImageView;
-import android.widget.SeekBar;
 import android.widget.TextView;
 
+import androidx.annotation.NonNull;
 import androidx.appcompat.app.AlertDialog;
 import androidx.core.content.ContextCompat;
 import androidx.fragment.app.FragmentManager;
@@ -19,6 +19,8 @@ import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
 import androidx.preference.PreferenceViewHolder;
 
+import com.google.android.material.slider.Slider;
+
 import net.osmand.StateChangedListener;
 import net.osmand.plus.ApplicationMode;
 import net.osmand.plus.OsmAndFormatter;
@@ -287,8 +289,9 @@ public class RouteParametersFragment extends BaseSettingsFragment implements OnP
 		boolean nightMode = !app.getSettings().isLightContentForMode(mode);
 		Context themedContext = UiUtilities.getThemedContext(activity, nightMode);
 		AlertDialog.Builder builder = new AlertDialog.Builder(themedContext);
-		View seekbarView = LayoutInflater.from(themedContext).inflate(R.layout.recalculation_angle_dialog, null, false);
+		View sliderView = LayoutInflater.from(themedContext).inflate(
-		builder.setView(seekbarView);
+				R.layout.recalculation_angle_dialog, null, false);
+		builder.setView(sliderView);
 		builder.setPositiveButton(R.string.shared_string_ok, new DialogInterface.OnClickListener() {
 			@Override
 			public void onClick(DialogInterface dialog, int which) {
@@ -303,36 +306,28 @@ public class RouteParametersFragment extends BaseSettingsFragment implements OnP
 		builder.setNegativeButton(R.string.shared_string_cancel, null);
 
 		int selectedModeColor = ContextCompat.getColor(app, mode.getIconColorInfo().getColor(nightMode));
-		setupAngleSlider(angleValue, seekbarView, nightMode, selectedModeColor);
+		setupAngleSlider(angleValue, sliderView, nightMode, selectedModeColor);
 		builder.show();
 	}
 
 	private static void setupAngleSlider(final float[] angleValue,
-	                                     View seekbarView,
+	                                     View sliderView,
 	                                     final boolean nightMode,
 	                                     final int activeColor) {
 
-		final SeekBar angleBar = seekbarView.findViewById(R.id.angle_seekbar);
+		final Slider angleBar = sliderView.findViewById(R.id.angle_slider);
-		final TextView angleTv = seekbarView.findViewById(R.id.angle_text);
+		final TextView angleTv = sliderView.findViewById(R.id.angle_text);
 
 		angleTv.setText(String.valueOf(angleValue[0]));
-		angleBar.setProgress((int) angleValue[0]);
+		angleBar.setValue((int) angleValue[0]);
-		angleBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
+		angleBar.addOnChangeListener(new Slider.OnChangeListener() {
-
 			@Override
-			public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+			public void onValueChange(@NonNull Slider slider, float value, boolean fromUser) {
-				int value = progress - (progress % 5);
 				angleValue[0] = value;
 				angleTv.setText(String.valueOf(value));
 			}
-
-			@Override
-			public void onStartTrackingTouch(SeekBar seekBar) {}
-
-			@Override
-			public void onStopTrackingTouch(SeekBar seekBar) {}
 		});
-		UiUtilities.setupSeekBar(angleBar, activeColor, nightMode);
+		UiUtilities.setupSlider(angleBar, nightMode, activeColor, true);
 	}
 
 	private void setupSelectRouteRecalcDistance(PreferenceScreen screen) {

OsmAnd/src/net/osmand/plus/settings/bottomsheets/RecalculateRouteInDeviationBottomSheet.java

@@ -71,7 +71,7 @@ public class RecalculateRouteInDeviationBottomSheet extends BooleanPreferenceBot
 		}
 
 		int contentPaddingSmall = app.getResources().getDimensionPixelSize(R.dimen.content_padding_small);
-		int dialogContentMargin = app.getResources().getDimensionPixelSize(R.dimen.dialog_content_margin);
+		int contentPadding = app.getResources().getDimensionPixelSize(R.dimen.content_padding);
 
 		OsmandSettings.MetricsConstants mc = settings.METRIC_SYSTEM.get();
 		if (mc == OsmandSettings.MetricsConstants.KILOMETERS_AND_METERS) {
@@ -80,14 +80,16 @@ public class RecalculateRouteInDeviationBottomSheet extends BooleanPreferenceBot
 			entryValues = new Float[]{9.1f, 18.3f, 30.5f, 45.7f, 91.5f, 183.0f, 482.0f, 965.0f, 1609.0f};
 		}
 
-		final int appModeColor = appMode.getIconColorInfo().getColor(nightMode);
+		final int appModeColorId = appMode.getIconColorInfo().getColor(nightMode);
+		final int appModeColor = ContextCompat.getColor(app, appModeColorId);
 		final int activeColor = AndroidUtils.resolveAttribute(app, R.attr.active_color_basic);
 		final int disabledColor = AndroidUtils.resolveAttribute(app, android.R.attr.textColorSecondary);
 
 		String title = getString(R.string.recalculate_route_in_deviation);
 		items.add(new TitleItem(title));
 
-		final View sliderView = UiUtilities.getInflater(getContext(), nightMode).inflate(R.layout.bottom_sheet_item_slider_with_two_text, null);
+		final View sliderView = UiUtilities.getInflater(getContext(), nightMode)
+				.inflate(R.layout.bottom_sheet_item_slider_with_two_text, null);
 		slider = sliderView.findViewById(R.id.slider);
 		tvSliderTitle = sliderView.findViewById(android.R.id.title);
 		tvSliderTitle.setText(getString(R.string.distance));
@@ -102,7 +104,7 @@ public class RecalculateRouteInDeviationBottomSheet extends BooleanPreferenceBot
 		final BottomSheetItemWithCompoundButton[] preferenceBtn = new BottomSheetItemWithCompoundButton[1];
 		preferenceBtn[0] = (BottomSheetItemWithCompoundButton) new BottomSheetItemWithCompoundButton.Builder()
 				.setChecked(enabled)
-				.setCompoundButtonColorId(appModeColor)
+				.setCompoundButtonColorId(appModeColorId)
 				.setTitle(enabled ? on : off)
 				.setTitleColorId(enabled ? activeColor : disabledColor)
 				.setCustomView(getCustomButtonView(enabled))
@@ -129,7 +131,7 @@ public class RecalculateRouteInDeviationBottomSheet extends BooleanPreferenceBot
 		items.add(preferenceBtn[0]);
 		items.add(new DividerSpaceItem(app, contentPaddingSmall));
 		items.add(new LongDescriptionItem(getString(R.string.select_distance_route_will_recalc)));
-		items.add(new DividerSpaceItem(app, dialogContentMargin));
+		items.add(new DividerSpaceItem(app, contentPadding));
 
 		slider.addOnChangeListener(new Slider.OnChangeListener() {
 			@Override
@@ -141,6 +143,7 @@ public class RecalculateRouteInDeviationBottomSheet extends BooleanPreferenceBot
 				}
 			}
 		});
+		UiUtilities.setupSlider(slider, nightMode, appModeColor, true);
 		items.add(new BaseBottomSheetItem.Builder()
 				.setCustomView(sliderView)
 				.create());

OsmAnd/src/net/osmand/plus/srtmplugin/TerrainFragment.java

@@ -2,7 +2,6 @@ package net.osmand.plus.srtmplugin;
 
 import android.app.Activity;
 import android.content.Intent;
-import android.content.res.ColorStateList;
 import android.graphics.Color;
 import android.graphics.drawable.GradientDrawable;
 import android.net.Uri;
@@ -77,8 +76,8 @@ public class TerrainFragment extends BaseOsmAndFragment implements View.OnClickL
 	private boolean nightMode;
 	private boolean terrainEnabled;
 
+	private int colorProfileRes;
 	private int colorProfile;
-	private ColorStateList colorProfileStateList;
 
 	private TextView downloadDescriptionTv;
 	private TextView transparencyValueTv;
@@ -115,8 +114,8 @@ public class TerrainFragment extends BaseOsmAndFragment implements View.OnClickL
 		uiUtilities = app.getUIUtilities();
 		nightMode = !settings.isLightContent();
 		srtmPlugin = OsmandPlugin.getPlugin(SRTMPlugin.class);
-		colorProfile = settings.getApplicationMode().getIconColorInfo().getColor(nightMode);
+		colorProfileRes = settings.getApplicationMode().getIconColorInfo().getColor(nightMode);
-		colorProfileStateList = ColorStateList.valueOf(ContextCompat.getColor(app, colorProfile));
+		colorProfile = ContextCompat.getColor(app, colorProfileRes);
 		terrainEnabled = srtmPlugin.isTerrainLayerEnabled();
 		super.onCreate(savedInstanceState);
 	}
@@ -174,15 +173,8 @@ public class TerrainFragment extends BaseOsmAndFragment implements View.OnClickL
 		switchCompat.setOnClickListener(this);
 		slopeBtn.setOnClickListener(this);
 
-		transparencySlider.setTrackColorActive(colorProfileStateList);
+		UiUtilities.setupSlider(transparencySlider, nightMode, colorProfile);
-		transparencySlider.setThumbColor(colorProfileStateList);
+		UiUtilities.setupSlider(zoomSlider, nightMode, colorProfile, true);
-		transparencySlider.setLabelBehavior(Slider.LABEL_GONE);
-		zoomSlider.setTrackColorActive(colorProfileStateList);
-		zoomSlider.setThumbColor(colorProfileStateList);
-		zoomSlider.setLabelBehavior(Slider.LABEL_GONE);
-		zoomSlider.setTickColor(nightMode
-				? ColorStateList.valueOf(R.color.color_white)
-				: ColorStateList.valueOf(R.color.color_black));
 
 		transparencySlider.addOnSliderTouchListener(this);
 		zoomSlider.addOnSliderTouchListener(this);
@@ -264,7 +256,7 @@ public class TerrainFragment extends BaseOsmAndFragment implements View.OnClickL
 			String transparency = transparencyValue + "%";
 			int minZoom = Math.max(srtmPlugin.getTerrainMinZoom(), TERRAIN_MIN_ZOOM);
 			int maxZoom = Math.min(srtmPlugin.getTerrainMaxZoom(), TERRAIN_MAX_ZOOM);
-			iconIv.setImageDrawable(uiUtilities.getIcon(R.drawable.ic_action_hillshade_dark, colorProfile));
+			iconIv.setImageDrawable(uiUtilities.getIcon(R.drawable.ic_action_hillshade_dark, colorProfileRes));
 			stateTv.setText(R.string.shared_string_enabled);
 			transparencySlider.setValue(transparencyValue);
 			transparencyValueTv.setText(transparency);

OsmAnd/src/net/osmand/plus/views/MapControlsLayer.java

@@ -18,22 +18,25 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
-import android.widget.SeekBar;
 import android.widget.TextView;
 
 import androidx.annotation.NonNull;
 import androidx.appcompat.app.AlertDialog;
 import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
 import androidx.core.view.ViewCompat;
 import androidx.core.view.ViewPropertyAnimatorCompat;
 import androidx.core.view.ViewPropertyAnimatorListener;
 
+import com.google.android.material.slider.Slider;
+
 import net.osmand.AndroidUtils;
 import net.osmand.Location;
 import net.osmand.core.android.MapRendererContext;
 import net.osmand.data.LatLon;
 import net.osmand.data.PointDescription;
 import net.osmand.data.RotatedTileBox;
+import net.osmand.plus.ApplicationMode;
 import net.osmand.plus.OsmAndAppCustomization;
 import net.osmand.plus.OsmAndLocationProvider;
 import net.osmand.plus.OsmAndLocationSimulation;
@@ -97,7 +100,7 @@ public class MapControlsLayer extends OsmandMapLayer {
 	// private RulerControl rulerControl;
 	// private List<MapControls> allControls = new ArrayList<MapControls>();
 
-	private SeekBar transparencyBar;
+	private Slider transparencySlider;
 	private LinearLayout transparencyBarLayout;
 	private static CommonPreference<Integer> transparencySetting;
 	private boolean isTransparencyBarEnabled;
@@ -921,28 +924,19 @@ public class MapControlsLayer extends OsmandMapLayer {
 	// /////////////// Transparency bar /////////////////////////
 	private void initTransparencyBar() {
 		transparencyBarLayout = (LinearLayout) mapActivity.findViewById(R.id.map_transparency_layout);
-		transparencyBar = (SeekBar) mapActivity.findViewById(R.id.map_transparency_seekbar);
+		transparencySlider = (Slider) mapActivity.findViewById(R.id.map_transparency_slider);
-		transparencyBar.setMax(255);
+		transparencySlider.setValueTo(255);
 		if (transparencySetting != null) {
-			transparencyBar.setProgress(transparencySetting.get());
+			transparencySlider.setValue(transparencySetting.get());
 			transparencyBarLayout.setVisibility(View.VISIBLE);
 		} else {
 			transparencyBarLayout.setVisibility(View.GONE);
 		}
-		transparencyBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
+		transparencySlider.addOnChangeListener(new Slider.OnChangeListener() {
-
 			@Override
-			public void onStopTrackingTouch(SeekBar seekBar) {
+			public void onValueChange(@NonNull Slider slider, float value, boolean fromUser) {
-			}
-
-			@Override
-			public void onStartTrackingTouch(SeekBar seekBar) {
-			}
-
-			@Override
-			public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
 				if (transparencySetting != null) {
-					transparencySetting.set(progress);
+					transparencySetting.set((int) value);
 					mapActivity.getMapView().refreshMap();
 				}
 			}
@@ -961,18 +955,21 @@ public class MapControlsLayer extends OsmandMapLayer {
 	public void showTransparencyBar(CommonPreference<Integer> transparenPreference,
 									boolean isTransparencyBarEnabled) {
 		this.isTransparencyBarEnabled = isTransparencyBarEnabled;
+		ApplicationMode appMode = app.getSettings().getApplicationMode();
 		if (MapControlsLayer.transparencySetting != transparenPreference) {
 			MapControlsLayer.transparencySetting = transparenPreference;
 
 		}
 		if (transparenPreference != null && isTransparencyBarEnabled) {
 			transparencyBarLayout.setVisibility(View.VISIBLE);
-			transparencyBar.setProgress(transparenPreference.get());
+			transparencySlider.setValue(transparenPreference.get());
 		} else {
 			transparencyBarLayout.setVisibility(View.GONE);
 		}
 		boolean nightMode = app.getDaynightHelper().isNightModeForMapControls();
-		UiUtilities.setupSeekBar(app, transparencyBar, nightMode, true);
+		int selectedModeColor = ContextCompat.getColor(app,
+				appMode.getIconColorInfo().getColor(nightMode));
+		UiUtilities.setupSlider(transparencySlider, nightMode, selectedModeColor);
 	}
 
 	public void hideTransparencyBar() {

OsmAnd/src/net/osmand/plus/views/SeekBarPreference.java

@@ -1,189 +0,0 @@
-/* 
- * Copyright (c) 2010 Jordan Frank, HumanSense Project, McGill University
- * Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
- * See LICENSE for more information 
- */
-package net.osmand.plus.views;
-
-import net.osmand.plus.R;
-import android.content.Context;
-import android.preference.DialogPreference;
-import android.util.AttributeSet;
-import android.view.Gravity;
-import android.view.View;
-import android.widget.LinearLayout;
-import android.widget.SeekBar;
-import android.widget.TextView;
-
-/**
- * A preference item that uses a seek-bar, or slider to set the value.
- * 
- * @author Jordan Frank <jordan.frank@cs.mcgill.ca>
- * 
- */
-public class SeekBarPreference extends DialogPreference implements
-		SeekBar.OnSeekBarChangeListener {
-
-	private static final String MAX_VALUE_ID = "max";
-	private static final String DEFAULT_VALUE_ID = "defaultValue";
-	private static final String DIALOG_TEXT_ID = "text";
-	private static final String DIALOG_MESSAGE_ID = "dialogMessage";
-	private static final String ANDROID_NS = "http://schemas.android.com/apk/res/android";
-
-	private SeekBar seekBar;
-	private TextView dialogTextView, valueTextView;
-	private final Context context;
-
-	private final String dialogText, valueText;
-	private final int defaultValue;
-
-	private int maxValue, value, valueToSave = 0;
-
-	/**
-	 * Default constructor.
-	 * 
-	 * @param context
-	 *            The application context.
-	 * @param attrs
-	 *            The attribute set, containing the text, title, values, and
-	 *            range for the slider dialog.
-	 */
-	public SeekBarPreference(final Context context, final AttributeSet attrs) {
-		super(context, attrs);
-		this.context = context;
-
-		dialogText = context.getResources().getString(
-				attrs.getAttributeResourceValue(ANDROID_NS, DIALOG_MESSAGE_ID,
-						R.string.app_name));
-		valueText = attrs.getAttributeValue(ANDROID_NS, DIALOG_TEXT_ID);
-		defaultValue = attrs.getAttributeIntValue(ANDROID_NS, DEFAULT_VALUE_ID,
-				0);
-		maxValue = attrs.getAttributeIntValue(ANDROID_NS, MAX_VALUE_ID, 100);
-
-	}
-	
-	/**
-	 * Default constructor.
-	 * 
-	 * @param context
-	 *            The application context.
-	 * @param attrs
-	 *            The attribute set, containing the text, title, values, and
-	 *            range for the slider dialog.
-	 */
-	public SeekBarPreference(final Context context, int dialogTextId, int defValue, int maxValue) {
-		super(context, null);
-		this.context = context;
-		dialogText = context.getResources().getString(dialogTextId);
-		valueText = null;
-		this.defaultValue = defValue;
-		this.maxValue = maxValue;
-
-	}
-
-	public int getMax() {
-		return maxValue;
-	}
-
-	public int getValue() {
-		return value;
-	}
-
-	@Override
-	protected void onBindDialogView(final View v) {
-		super.onBindDialogView(v);
-		seekBar.setMax(maxValue);
-		seekBar.setProgress(value);
-	}
-
-	@Override
-	protected View onCreateDialogView() {
-		LinearLayout.LayoutParams params;
-		final LinearLayout layout = new LinearLayout(context);
-		layout.setOrientation(LinearLayout.VERTICAL);
-		layout.setPadding(6, 6, 6, 6);
-
-		dialogTextView = new TextView(context);
-		if (dialogText != null) {
-			dialogTextView.setText(dialogText);
-		}
-		layout.addView(dialogTextView);
-
-		valueTextView = new TextView(context);
-		valueTextView.setGravity(Gravity.CENTER_HORIZONTAL);
-		valueTextView.setTextSize(32);
-		params = new LinearLayout.LayoutParams(
-				LinearLayout.LayoutParams.FILL_PARENT,
-				LinearLayout.LayoutParams.WRAP_CONTENT);
-		layout.addView(valueTextView, params);
-
-		seekBar = new SeekBar(context);
-		seekBar.setOnSeekBarChangeListener(this);
-		layout.addView(seekBar, new LinearLayout.LayoutParams(
-				LinearLayout.LayoutParams.FILL_PARENT,
-				LinearLayout.LayoutParams.WRAP_CONTENT));
-
-		if (shouldPersist()) {
-			value = getPersistedInt(defaultValue);
-		}
-
-		seekBar.setMax(maxValue);
-		seekBar.setProgress(value);
-		return layout;
-	}
-	
-	@Override
-	protected void onDialogClosed(boolean positiveResult) {
-		super.onDialogClosed(positiveResult);
-		if(positiveResult){
-			if (shouldPersist()) {
-				persistInt(valueToSave);
-			}
-			callChangeListener(Integer.valueOf(valueToSave));
-		} else {
-			this.valueToSave = value;
-		}
-	}
-
-	@Override
-	public void onProgressChanged(final SeekBar seek, final int value,
-			final boolean fromTouch) {
-		final String t = String.valueOf(value);
-		valueTextView.setText(valueText == null ? t : t + valueText);
-		valueToSave = value;
-	}
-
-	@Override
-	protected void onSetInitialValue(final boolean restore,
-			final Object defaultValue) {
-		super.onSetInitialValue(restore, defaultValue);
-		if (restore) {
-			value = shouldPersist() ? getPersistedInt(this.defaultValue) : 0;
-		} else {
-			value = (Integer) defaultValue;
-		}
-		valueToSave = value;
-	}
-
-	@Override
-	public void onStartTrackingTouch(final SeekBar seek) {
-	}
-
-	@Override
-	public void onStopTrackingTouch(final SeekBar seek) {
-	}
-
-	public void setMax(final int max) {
-		maxValue = max;
-	}
-
-	public void setValue(final int value) {
-		this.value = value;
-		this.valueToSave = value;
-		persistInt(value);
-		if (seekBar != null) {
-			seekBar.setProgress(value);
-		}
-	}
-
-}