Piano Chart View 用于音乐理论、音乐应用程序钢琴图表视图

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:v0.6.6' }

Usage

Creating from xml:

In your layout.xml

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

In your arrays.xml

5 7 11 1

In your colors.xml

#C8E6C9 #1B5E20

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

Public methods

Contribution

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

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