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https://github.com/kizitonwose/colorpreference
A custom preference item for easy implementation of a color picker in Android's preference screen.
https://github.com/kizitonwose/colorpreference
android color-picker preference-screen preferences sharedpreferences
Last synced: 3 days ago
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A custom preference item for easy implementation of a color picker in Android's preference screen.
- Host: GitHub
- URL: https://github.com/kizitonwose/colorpreference
- Owner: kizitonwose
- License: apache-2.0
- Created: 2016-09-24T13:43:41.000Z (about 8 years ago)
- Default Branch: master
- Last Pushed: 2019-02-21T21:41:50.000Z (over 5 years ago)
- Last Synced: 2024-10-25T05:56:16.098Z (10 days ago)
- Topics: android, color-picker, preference-screen, preferences, sharedpreferences
- Language: Java
- Homepage:
- Size: 7.78 MB
- Stars: 311
- Watchers: 6
- Forks: 29
- Open Issues: 1
-
Metadata Files:
- Readme: README.md
- License: LICENSE
- Support: support/.gitignore
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README
# Color Preference
An Android library for creating a nice color picker in the preference screen. You can use the inbuilt picker or any other color picker of your choice. The library can be used with the standard preference classes or the AndroidX preference/legacy-preference-v14(support-preference-v7/v14) classes.
[](https://travis-ci.org/kizitonwose/colorpreference)
[](https://jitpack.io/#kizitonwose/colorpreference)
[](https://android-arsenal.com/details/1/4401)
[](http://www.apache.org/licenses/LICENSE-2.0)
[](https://android-arsenal.com/api?level=14)
## Preview
Get the sample apk [here](https://github.com/kizitonwose/colorpreference/releases/download/1.0.5/sample-1.0.5.apk)
Also checkout the sample module [here][sample-url]
## Setup
### Gradle
Add this to your project level `build.gradle`:
```groovy
allprojects {
repositories {
jcenter()
maven { url "https://jitpack.io" }
}
}
```
Add this to your app `build.gradle`:
```groovy
dependencies {
implementation 'com.github.kizitonwose.colorpreference:core:'
}
```
If you are using the AndroidX preference/legacy-preference-v14 library, you should use this in your app `build.gradle` instead:
```groovy
dependencies {
implementation 'com.github.kizitonwose.colorpreference:support:'
}
```
##### Note: `` value can be found on the JitPack badge above the preview images.
## Usage
Just like every other preference object, you add it to the XML file of your Preference screen.
##### Preference usage
```xml
```
##### AndroidX preference/legacy-preference-v14
```xml
```
The default implementation is the circle color view. For custom settings, add the app namespace to your XML file:
`xmlns:app="http://schemas.android.com/apk/res-auto"`
Now you can use the custom attributes. All custom attributes are available for the `ColorPreference` and `ColorPreferenceCompat` classes.
```xml
```
Two important methods in the `ColorPreference` and `ColorPreferenceCompat` classes:
- Get the color value: **`getValue()`**
- Set the color value and update the preference view: **`setValue(int newColor)`**
### Attributes
|Attribute name|Description|Default value|
|:-:|:-:|:-:|
|colorShape|The shape of the color view(`circle` or `square`)| `circle`|
|colorChoices|An array of colors to show on the dialog| An internal array |
|viewSize|The size of the color view(`normal` or `large`) |`large`|
|numColumns|The number of columns for the colors on the dialog| 5 |
|showDialog|If `false`, the user can suppress the in-built dialog and then show a custom color picker. To save the color from the custom picker, just call `setValue(int newColor)`| `true` |
### Custom Picker sample
You can find a working example of how to use a custom color picker in the included [sample][sample-url] module.
Actually, all you have to do is include `app:showDialog="false"` in the preference item to suppress the inbuilt picker, then when you get your color from the custom picker, call `setValue(int newColor)` method of the `ColorPreference`(or `ColorPreferenceCompat`) class and pass in the color. This saves the color and updates the view accordingly.
The custom picker in the sample uses the [Lobster Color Picker](https://github.com/LarsWerkman/Lobsterpicker) Library. You can use any color picker of your choice.
## Extras
If you want to use the inbuilt color picker in any activity as a simple color picker, you can use the `ColorDialog.Builder` class. A working sample is also included in the [sample][sample-url] module.
```java
// The context shuould be an Activity which implements ColorDialog.OnColorSelectedListener
new ColorDialog.Builder(this)
.setColorShape(ColorShape.CIRCLE) //CIRCLE or SQUARE
.setColorChoices(R.array.color_choices) //an array of colors
.setSelectedColor(Color.GREEN) //the checked color
.setTag("TAG") // tags can be useful when multiple components use the picker within an activity
.show();
```
Activity usage example
```java
public class ExampleActivity extends Activity implements ColorDialog.OnColorSelectedListener {
// set these tags when building the color picker dialog
// if you have only one picker in an Activity, you don't need a tag
private final String TOOLBAR_PICKER_TAG = "toolbar";
private final String BACKGROUND_PICKER_TAG = "background";
@Override
protected void onCreate(Bundle savedInstanceState) {
// activity initialization code
}
@Override
public void onColorSelected(int newColor, String tag) {
switch (tag){
case TOOLBAR_PICKER_TAG:
//change the toolbar color with newColor
break;
case BACKGROUND_PICKER_TAG:
//change the activity background color with newColor
break;
}
}
}
```
## Changelog
See the [changelog](https://github.com/kizitonwose/colorpreference/blob/master/CHANGELOG.md) file.
## Thanks
Thanks to [Roman Nurik](https://github.com/romannurik) for his initial implementation.
## License
```
Copyright (C) 2016 Kizito Nwose
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.
```
[sample-url]: https://github.com/kizitonwose/colorpreference/tree/master/sample