Android Material Color Picker


Source link: https://github.com/Pes8/android-material-color-picker-dialog

Android Material Color Picker Dialog

A simple, minimalistic and beautiful dialog color picker for Android 4.1+ devices. This color picker is easy-to-use and easy-to-integrate in your application to let users of your app choose color in a simple way.

Features

  • Get Hex and (A)RGB color codes
  • Set color using (A)RGB values and get HEX codes
  • Set color using HEX value
  • Separate UI for portrait and landscape devices
  • Support for pre-lollipop devices

Design inspired from Dribbble by Lucas Bonomi

Portrait

Landscape

HOW TO USE IT

Adding the library to your project

The aar artifact is available at the jcenter repository. Declare the repository and the dependency in your build.gradle.

(root)

 repositories {

jcenter()
  
}

(module)

 dependencies {

compile 'com.pes.materialcolorpicker:library:1.2.0'
  
}

Use the library

Import the class

 import com.pes.androidmaterialcolorpickerdialog.ColorPicker;

Create a color picker dialog object

 final ColorPicker cp = new ColorPicker(MainActivity.this, defaultColorR, defaultColorG, defaultColorB);

defaultColorR, defaultColorG, defaultColorB are 3 integer (value 0-255) for the initialization of the color picker with your custom color value. If you don't want to start with a color set them to 0 or use only the first argument.

The library also supports alpha values. If no color or only red, green, and blue are specified, the alpha value is set to 255 (0xFF) and no slider is shown.

Use the following constructor to specify an alternative alpha channel value (0..255). As soon as the alpha value constructor is used, a fourth slider will appear above the RGB sliders and the text input field will change from six HEX characters to eight.

 final ColorPicker cp = new ColorPicker(MainActivity.this, defaultAlphaValue, defaultColorR, defaultColorG, defaultColorB);

Then show the dialog (when and where you want) and save the selected color

 /* Show color picker dialog */
  cp.show();

 /* Set a new Listener called when user click "select" */
  cp.setCallback(new ColorPickerCallback() {

@Override

public void onColorChosen(@ColorInt int color) {

 // Do whatever you want

// Examples

Log.d("Alpha", Integer.toString(Color.alpha(color)));

Log.d("Red", Integer.toString(Color.red(color)));

Log.d("Green", Integer.toString(Color.green(color)));

Log.d("Blue", Integer.toString(Color.blue(color)));

 Log.d("Pure Hex", Integer.toHexString(color));

Log.d("#Hex no alpha", String.format("#%06X", (0xFFFFFF & color)));

Log.d("#Hex with alpha", String.format("#%08X", (0xFFFFFFFF & color)));

}

  
}
);

That's all :)

Transition from v1.1 to v1.2

The deprecated callback has been removed. See Transition from v1.0 to v1.1.

Transition from v1.0 to v1.1

Version 1.1 introduced some API changes---mainly a renaming of the OnColorSelected callback interface. This has been renamed to ColorPickerCallback.

The old interface is still in the library but will be removed in the next version update. It has been marked as deprecated and isn't called by the library, therefore no values will appear in your app if you still rely on the old interface.

Translations

Available Languages

  • English
  • Italian
  • German
  • French
  • Spanish
  • Iranian
  • Persian
  • Korean
  • Turkish

If you would like to help localise this library please fork the project, create and verify your language files, add the language to the README then create a pull request.

Example

Example app that use Android Material Color Picker Dialog to let users choose the color of the Qr Code:

Qr Code Generator Play Store

Qr Code Generator Direct Download

Donation

If this project help you reduce time to develop, you can give me a cup of coffee :)

Contributors

Author: Simone Pessotto

Special thanks to :

Patrick Geselbracht

LICENSE

The MIT License (MIT)  Copyright (c) 2017 Simone Pessotto (http://www.simonepessotto.it)  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:  The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 

Resources

android-devices is an Android UI statistics for designers, product managers and developers.

Google Dashboards doesn't provide information on the following:

  • What are the popular/existing dp resolutions?
  • What devices could be best used for UI testing for specific generalized size/density bucket combination?
  • What devices could support width configuration introduced with Android 3.2

Besides, this information provides a sneak peak into Android devices market and trends.

The Go mobile repository holds packages and build tools for using Go on Android.

This library provides a useful widget class which automatically detects the presence of faces in the source image and crop it accordingly so to achieve the best visual result.

This project contains utility code related to Android security measures.

At present, it contains:

  • a PermissionUtils class with a checkCustomPermissions() static method, to help you detect if another app has defined your custom permissions before your app was installed
  • a TrustManagerBuilder to help you create a custom TrustManager, describing what sorts of SSL certificates you want to support in your HTTPS operations
  • a SignatureUtils class to help you determine the SHA-256 hash of the signing key of some package, to compare against known values, to help detect whether you are about to be communicating with some hacked version of an app

Features built in:

  • ProgressBar while adapter hasn't been set
  • EmptyView if adapter is empty
  • SwipeRefreshLayout (Google's one)
  • Infinite scrolling, when you reach the X last item, load more of them
  • Swipe To Dismiss
  • Sticky headers

android-target-tooltip allows to create toasts like tooltips, but targets can be specified, plus custom properties and features.

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