Color Picker


Source link: https://github.com/QuadFlask/colorpicker

Color Picker

simple android color picker with color wheel and lightness bar.

market link: https://play.google.com/store/apps/details?id=com.flask.colorpicker.sample

Demo video

Youtube

Screenshot

WHEEL_TYPE.FLOWER

WHEEL_TYPE.CIRCLE

How to add dependency?

This library is not released in Maven Central, but instead you can use JitPack

add remote maven url in allprojects.repositories

allprojects {
  repositories {

maven {
 url "https://jitpack.io" 
}
  
}
 
}

then add a library dependency

dependencies {
  compile 'com.github.QuadFlask:colorpicker:0.0.13' 
}

or, you can manually download aar and put into your project's libs directory.

and add dependency

dependencies {
  compile(name:'[arrFileName]', ext:'aar') 
}

check out latest version at releases

Usage

As a dialog

ColorPickerDialogBuilder  .with(context)  .setTitle("Choose color")  .initialColor(currentBackgroundColor)  .wheelType(ColorPickerView.WHEEL_TYPE.FLOWER)  .density(12)  .setOnColorSelectedListener(new OnColorSelectedListener() {

@Override
public void onColorSelected(int selectedColor) {

 toast("onColorSelected: 0x" + Integer.toHexString(selectedColor));

}
  
}
)  .setPositiveButton("ok", new ColorPickerClickListener() {

@Override
public void onClick(DialogInterface dialog, int selectedColor, Integer[] allColors) {

 changeBackgroundColor(selectedColor);

}
  
}
)  .setNegativeButton("cancel", new DialogInterface.OnClickListener() {

@Override
public void onClick(DialogInterface dialog, int which) {

}
  
}
)  .build()  .show();

As a widget

 <com.flask.colorpicker.ColorPickerView
android:id="@+id/color_picker_view"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:alphaSlider="true"
app:density="12"
app:lightnessSlider="true"
app:wheelType="FLOWER"
app:lightnessSliderView="@+id/v_lightness_slider"

app:alphaSliderView="@+id/v_alpha_slider"
/>
<com.flask.colorpicker.slider.LightnessSlider
android:id="@+id/v_lightness_slider"
android:layout_width="match_parent"
android:layout_height="48dp"
/>
<com.flask.colorpicker.slider.AlphaSlider
android:id="@+id/v_alpha_slider"
android:layout_width="match_parent"
android:layout_height="48dp"
/>

To do

  • gradle support
  • performance improvement
  • refactoring

License

Copyright 2014-2017 QuadFlask  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
  http://www.apache.org/licenses/LICENSE-2.0  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. 

Resources

FunctionalRx2 is a collection of constructs to simplify a functional programming approach to development on Java and Android.

Rich url link view for Android.

Kripton is a java library, for Android and Java platform, that provides a simple and uniform way to manage persistence of Java classes in different flavours through annotations and interface. Supported persistence methods are:

  • SQLite database
  • Shared preference
  • REST service, throws Retrofit library integration
  • on file system in JSON/XML/CBOR/(Java)YAML/smile data format

To get max performance and avoid boilerplate-code, Kripton use annotation processor. With the power of annotation processor is possible to create code to persist a java class, simply with an annotation. There are many other libraries that do this, but Kripton allows to persists java object in different ways with an unique set of annotation and mechanisms.

The easiest way to use a RecyclerView on Android.

Android Version plugin is a gradle plugin that helps managing version for Android projects. Plugin is especially helpful when you are dealing with complex build structure with multiple flavours and apk splits.

A simple one class TouchListener that can be attached to any RecyclerView and handles multi selection in google photos style via long pressing on an item and moving the finger up/down to select more items (it even scrolls if you reach the edges of the RecyclerView).

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