Code Quality Rank: L5
Programming language: Java
License: Apache License 2.0
Tags: Other Widget    
Latest version: v3.0.1

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HSV-Alpha Color Picker for Android

This library implements a color picker and a color preference for use in Android applications.

[Portrait](docs/portrait.png) [Landscape](docs/landscape.png) [Preferences](docs/preference.png)


I couldn't find this combination of features in an existing library, which is why I wrote this one:

  • Alpha slider.
  • Text field to copy and paste hex color values.
  • Old and new colors displayed side by side.
  • Optional selection of "no color".
  • Proper behavior when orientation changes.
  • Up-to-date design.

In addition, the Hue-Saturation picker...

  • gives higher hue precision than a square picker of the same size.
  • allows easier selection of pure white than a circular picker.

Demo App

A demo is available on the Play Store. Source code for the app is in the demo_app folder in this repo.

Using the Library

Add the library dependency to your app module's build.gradle:

    dependencies {
        compile 'com.rarepebble:colorpicker:3.0.1'

Add jcenter() to your repository list if it isn't there already.

If using AndroidX, set android.enableJetifier=true in your gradle.properties.

ColorPreference Usage

Add the ColorPreference to your preference screen xml. Don't forget the extra xmlns: declaration if using the custom attributes described below.




The above example will store a color with the key "simplePreference" in the default shared preferences. The stored value is an integer color with alpha component (as used throughout Android). To access the saved color in this example (with the same default)...

    PreferenceManager.getDefaultSharedPreferences(context).getInt("simplePreference", 0xffff0000);

The support library preferences require your app to invoke the color picker dialog in your preference fragment's onDisplayPreferenceDialog() function: If the preference is a ColorPreference, call its showDialog() function...

    public void onDisplayPreferenceDialog(Preference preference) {
        if (preference instanceof ColorPreference) {
            ((ColorPreference) preference).showDialog(this, 0);
        } else super.onDisplayPreferenceDialog(preference);

Note: If upgrading from version 2, the above Java snippet is a new requirement in your application.

See the [demo source](demo_app/src/main/java/com/rarepebble/colorpickerdemo/MainActivity.java) for more context.

XML Preference Attributes

The standard preference attributes apply as normal, including defaultValue, which can be a hex color, as in the example above, or a reference to a color defined elsewhere.

In addition, the following custom attributes may be used. They should be prefixed with the namespace used for res-auto, as in the example below.


If set, this text will appear on a third button on the color picker dialog. This resets the color setting to the defaultValue if set. If there is no defaultValue, any saved color setting is removed. Apps can use this to implement "no color selected" logic. Use SharedPreference.contains("myOptionalColorKey") to test for that.


This text displays as the preference summary text if no color has been selected.


Set this to false to hide the alpha slider.


Set this to false to hide the hex value field.


Set this to false to hide the color preview field.

Note: colorpicker_defaultColor was removed in version 2, in favour of android:defaultValue. If upgrading, just switch to using android:defaultValue instead.



There are further examples in the demo app.

ColorPickerView Usage

In many cases, the ColorPreference will be all that's needed, but if you wish to use the ColorPickerView directly, it can be constructed like any other view, either in code or in XML. Set the initial color with setColor() and retrieve the view's current color with getColor():

    final ColorPickerView picker = new ColorPickerView(getContext());
    final int color = picker.getColor();

Refer to the [ColorPreference source](colorpicker/src/main/java/com/rarepebble/colorpicker/ColorPreference.java?ts=4) for a fuller example.

XML View Attributes

The custom attributes below should be prefixed with the namespace used for res-auto, just like the preference attributes. See the [view demo source](demo_app/src/main/res/layout/view_demo.xml) for an example.


Set to false to hide the alpha slider. (Default is visible.)


Set to false to hide the hex value field. (Default is visible.)


Set to false to hide the color preview field. (Default is visible.)

ColorPickerView methods

public int getColor()

Gets the current color.

public void setColor(int color)

Sets the original color swatch and the current color to the specified value.

public void setColor(int alpha, float hue, float sat, float bri)

Sets the original color swatch and the current color to the specified values.

public void setOriginalColor(int color)

Sets the original color swatch without changing the current color.

public void setOriginalColor(int alpha, float hue, float sat, float bri)

Sets the original color swatch without changing the current color.

public void setCurrentColor(int color)

Updates the current color without changing the original color swatch.

public void setCurrentColor(int alpha, float hue, float sat, float bri)

Updates the current color without changing the original color swatch.

public void showAlpha(boolean showAlpha)

Shows or hides the alpha slider.

public void showHex(boolean showHex)

Shows or hides the hex value field.

public void showPreview(boolean showPreview)

Shows or hides the color preview field.

public void addColorObserver(ColorObserver observer)

Allows an object to receive notifications when the color changes.


Please report bugs in the GitHub issue tracker.


Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at


Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

*Note that all licence references and agreements mentioned in the hsv-alpha-color-picker-android README section above are relevant to that project's source code only.