Source link: https://github.com/Andy671/PianoChartView

Piano Chart View

Introduction

Elementary and clean Android View for displaying piano chord and scale charts in music theory apps for pianists.

Sample

Installation

Step 1

Add the JitPack repository to your build file

 allprojects {

repositories {

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

}
  
}

Step 2

Add the dependency

 dependencies {

compile 'com.github.Andy671:PianoChartView:v0.6.4'  
}

Usage

Creating from xml:

In your layout.xml

xmlns:custom="http://schemas.android.com/apk/res-auto"

<!-- Custom arguments are optional - if you don't override them it uses default values -->  <com.kekstudio.pianochartview.PianoChartView

android:id="@+id/piano_chart_view"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

 custom:checkedKeysColor="@android:color/white"

custom:lightKeysColor="@color/colorCustomLight"

custom:darkKeysColor="@color/colorCustomDark"

custom:size="Small"

custom:checkedKeys="@array/some_integer_array"/>

In your arrays.xml

<!-- Numbers = keys on keyboard -->
  <integer-array name="some_integer_array">

<item>5</item>

<item>7</item>

<item>11</item>

<item>1</item>
  </integer-array>

In your colors.xml

 <color name="colorCustomLight">#C8E6C9</color>
  <color name="colorCustomDark">#1B5E20</color>

Editing from code:

  PianoChartView pianoChartView = (PianoChartView) findViewById(R.id.piano_chart_view_small);
  pianoChartView.setCheckedKeys(new int[]{
2, 5, 3, 8, 11, 12
}
);
  pianoChartView.setSize(PianoChartView.Size.Small);
  pianoChartView.setLightKeysColor(Color.parseColor("#CFD8DC"));
  pianoChartView.setDarkKeysColor(Color.parseColor("#607D8B"));
  pianoChartView.setCheckedKeysColor(Color.parseColor("#B2EBF2"));

See sample for more info

XML Attributes

Attribute	Type	Default
lightKeysColor	color	Color.WHITE
darkKeysColor	color	Color.DKGRAY
checkedKeysColor	color	#03A9F4
checkedKeys	reference (int[])	{ }
size	enum [Large, Small]	Large

Public methods

Type	Method
void	setCheckedKeys(int[] numbers)
void	setSize(Size size)
void	setLightKeysColor(int color)
void	setDarkKeysColor(int color)
void	setCheckedKeysColor(int color)
int[]	getCheckedKeys()
Size	getSize()
int	getLightKeysColor()
int	getDarkKeysColor()
int	getCheckedKeysColor()

Contribution

Feel free to fork the repo, make pull requests or fix existing bug
Feel free to open issues if you find some bug or unexpected behaviour

Buy me a cup of coffee

Bitcoin Wallet: 15BuUMAW2jUdStPVkoNPt85P8tJnAy5vD4

Source link: https://github.com/Andy671/PianoChartView

Resources

Android Dynamic Loader

Android Dynamic Loader is a plugin system. The host application is like a browser, but instead of loading web pages, it loads plugins which could be run natively on Android system.

Plugin Frameworks

FamiliarRecyclerView

A library to work with RecyclerView as easily as if you'd use ListView or GridView.

Recycler Views

XmlTag

The easiest way to simplify custom View tags in layout xmls.

APT

ActiveAndroidRx

Wrapper around ActiveAndroid which introduces reactive queries with SQLBrite.

ORM

A simple API that cleanly registers pending intent for location updates from Google location api. Using Recon and FlankLocation annotation the location update registration using pending intent is made easier, This still supports dynamic location request at runtime by accepting it as parameter when registering for location updates.

Location

AndroidPermissionsUsage

AndroidPermissionsUsage is an IntelliJ IDEA (and Android Studio) plugin designed to find the usage of the permissions defined in an Android application.

IDE Plugins

Q & A

Password-protected APK installation?

Where do the items come from?

Asus Zenfone cycling in the starting of charging process

Which phones have the purest Android?

I uninstalled/deleted a system privileged app (from /system/priv-app) by mistake. Where can I get the apk of it?