diff --git a/build.gradle b/build.gradle
index 8dab0f0c4..2d1288b32 100644
--- a/build.gradle
+++ b/build.gradle
@@ -121,6 +121,7 @@ dependencies {
     debugCompile "com.facebook.stetho:stetho-timber:${STETHO_VERSION}@aar"
     debugCompile 'com.squareup.leakcanary:leakcanary-android:1.4-beta2'
 
+    compile 'com.github.rey5137:material:1.2.4'
     compile 'com.android.support:multidex:1.0.1'
     compile 'com.nononsenseapps:filepicker:2.5.2'
     compile "com.android.support:design:${SUPPORT_VERSION}"
diff --git a/src/main/java/org/tasks/dialogs/SeekBarDialog.java b/src/main/java/org/tasks/dialogs/SeekBarDialog.java
index 3dcd9a860..d25a1fa0c 100644
--- a/src/main/java/org/tasks/dialogs/SeekBarDialog.java
+++ b/src/main/java/org/tasks/dialogs/SeekBarDialog.java
@@ -4,13 +4,12 @@ import android.app.Activity;
 import android.app.Dialog;
 import android.content.DialogInterface;
 import android.content.Intent;
-import android.icu.text.NumberFormat;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.view.LayoutInflater;
 import android.view.View;
-import android.widget.SeekBar;
-import android.widget.TextView;
+
+import com.rey.material.widget.Slider;
 
 import org.tasks.R;
 import org.tasks.injection.DialogFragmentComponent;
@@ -24,56 +23,48 @@ import butterknife.ButterKnife;
 
 public class SeekBarDialog extends InjectingDialogFragment {
 
-    private static final String EXTRA_MIN_VALUE = "extra_min_value";
-    private static final String EXTRA_MAX_VALUE = "extra_max_value";
+    private static final String EXTRA_LAYOUT = "extra_layout";
     private static final String EXTRA_INITIAL_VALUE = "extra_initial_value";
+
     public static final String EXTRA_VALUE = "extra_value";
 
-    public static SeekBarDialog newSeekBarDialog(int minValue, int maxValue, int initial) {
+    public static SeekBarDialog newSeekBarDialog(int layout, int initial) {
         SeekBarDialog dialog = new SeekBarDialog();
         Bundle args = new Bundle();
-        args.putInt(EXTRA_MIN_VALUE, minValue);
-        args.putInt(EXTRA_MAX_VALUE, maxValue);
+        args.putInt(EXTRA_LAYOUT, layout);
         dialog.setArguments(args);
         dialog.initial = initial;
         return dialog;
     }
 
-    @BindView(R.id.seekbar) SeekBar seekBar;
-    @BindView(R.id.min) TextView min;
-    @BindView(R.id.max) TextView max;
+    @BindView(R.id.slider) Slider slider;
 
     @Inject DialogBuilder dialogBuilder;
     @Inject Theme theme;
 
-    private int minValue;
-    private int maxValue;
     private int initial;
 
     @NonNull
     @Override
     public Dialog onCreateDialog(Bundle savedInstanceState) {
-        LayoutInflater layoutInflater = theme.getLayoutInflater(getContext());
-        View view = layoutInflater.inflate(R.layout.dialog_seekbar, null);
-        ButterKnife.bind(this, view);
-
         Bundle arguments = getArguments();
         if (savedInstanceState != null) {
             initial = savedInstanceState.getInt(EXTRA_INITIAL_VALUE);
         }
-        minValue = arguments.getInt(EXTRA_MIN_VALUE);
-        maxValue = arguments.getInt(EXTRA_MAX_VALUE);
-        min.setText(NumberFormat.getIntegerInstance().format(minValue));
-        max.setText(NumberFormat.getIntegerInstance().format(maxValue));
-        seekBar.setMax(maxValue - minValue);
-        seekBar.setProgress(initial);
+        int layout = arguments.getInt(EXTRA_LAYOUT);
+
+        LayoutInflater layoutInflater = theme.getLayoutInflater(getContext());
+        View view = layoutInflater.inflate(layout, null);
+        ButterKnife.bind(this, view);
+
+        slider.setValue(initial, true);
         return dialogBuilder.newDialog()
                 .setView(view)
                 .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                     @Override
                     public void onClick(DialogInterface dialogInterface, int i) {
                         getTargetFragment().onActivityResult(getTargetRequestCode(), Activity.RESULT_OK, new Intent() {{
-                            putExtra(EXTRA_VALUE, seekBar.getProgress() + minValue);
+                            putExtra(EXTRA_VALUE, slider.getValue());
                         }});
                     }
                 })
@@ -85,7 +76,7 @@ public class SeekBarDialog extends InjectingDialogFragment {
     public void onSaveInstanceState(Bundle outState) {
         super.onSaveInstanceState(outState);
 
-        outState.putInt(EXTRA_INITIAL_VALUE, seekBar.getProgress());
+        outState.putInt(EXTRA_INITIAL_VALUE, slider.getValue());
     }
 
     @Override
diff --git a/src/main/java/org/tasks/widget/WidgetConfigDialog.java b/src/main/java/org/tasks/widget/WidgetConfigDialog.java
index a5083675e..a80fed382 100644
--- a/src/main/java/org/tasks/widget/WidgetConfigDialog.java
+++ b/src/main/java/org/tasks/widget/WidgetConfigDialog.java
@@ -182,7 +182,7 @@ public class WidgetConfigDialog extends InjectingDialogFragment {
 
     @OnClick(R.id.widget_opacity)
     public void showOpacitySlider() {
-        SeekBarDialog seekBarDialog = newSeekBarDialog(0, 100, opacityPercentage);
+        SeekBarDialog seekBarDialog = newSeekBarDialog(R.layout.dialog_opacity_seekbar, opacityPercentage);
         seekBarDialog.setTargetFragment(this, REQUEST_OPACITY);
         seekBarDialog.show(getChildFragmentManager(), FRAG_TAG_SEEKBAR);
     }
diff --git a/src/main/res/layout/dialog_opacity_seekbar.xml b/src/main/res/layout/dialog_opacity_seekbar.xml
new file mode 100644
index 000000000..0d8d28450
--- /dev/null
+++ b/src/main/res/layout/dialog_opacity_seekbar.xml
@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <com.rey.material.widget.Slider xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:id="@+id/slider"
+        style="@style/Material.Widget.Slider.Discrete"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:minHeight="?attr/listPreferredItemHeight"
+        android:paddingEnd="@dimen/keyline_first"
+        android:paddingLeft="@dimen/keyline_first"
+        android:paddingRight="@dimen/keyline_first"
+        android:paddingStart="@dimen/keyline_first"
+        app:sl_discreteMode="true"
+        app:sl_maxValue="100"
+        app:sl_minValue="0"
+        app:sl_stepValue="5"
+        app:sl_travelAnimDuration="50" />
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true"
+        android:layout_below="@id/slider"
+        android:paddingEnd="@dimen/keyline_first"
+        android:paddingLeft="@dimen/keyline_first"
+        android:paddingRight="@dimen/keyline_first"
+        android:paddingStart="@dimen/keyline_first"
+        android:paddingTop="5dp"
+        android:text="0" />
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentEnd="true"
+        android:layout_alignParentRight="true"
+        android:layout_below="@id/slider"
+        android:paddingEnd="@dimen/keyline_first"
+        android:paddingLeft="@dimen/keyline_first"
+        android:paddingRight="@dimen/keyline_first"
+        android:paddingStart="@dimen/keyline_first"
+        android:paddingTop="5dp"
+        android:text="100" />
+
+</RelativeLayout>
diff --git a/src/main/res/layout/dialog_seekbar.xml b/src/main/res/layout/dialog_seekbar.xml
deleted file mode 100644
index c08024e08..000000000
--- a/src/main/res/layout/dialog_seekbar.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:gravity="center_vertical"
-    android:minHeight="?attr/listPreferredItemHeight"
-    android:paddingBottom="@dimen/keyline_first"
-    android:paddingTop="@dimen/keyline_first">
-
-    <TextView
-        android:id="@+id/min"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_alignParentLeft="true"
-        android:layout_alignParentStart="true"
-        android:paddingLeft="@dimen/keyline_first"
-        android:paddingStart="@dimen/keyline_first" />
-
-    <TextView
-        android:id="@+id/max"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_alignParentEnd="true"
-        android:layout_alignParentRight="true"
-        android:paddingEnd="@dimen/keyline_first"
-        android:paddingRight="@dimen/keyline_first" />
-
-    <SeekBar
-        android:id="@+id/seekbar"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_toEndOf="@id/min"
-        android:layout_toLeftOf="@id/max"
-        android:layout_toRightOf="@id/min"
-        android:layout_toStartOf="@id/max"
-        android:indeterminate="false" />
-
-</RelativeLayout>
\ No newline at end of file