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COSIN

Loading android view lib

Gradle :

build.gradle (Project)

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

build.gradle (Module)

implementation 'com.github.NikitaGordia:Cosin:1.1.0'

Quick start guide

Declaration

<com.nikitagordia.cosin.Cosin
        android:layout_width="170dp"
        android:layout_height="140dp" />

Properties

Property Description
speed Angle speed
isLoading If 'true' shows symbols on rectangle
setEnd Shows end animation (optionally you may pass onEnd(OnEnd))
rectWidth Width each of rectangle
period Determine period of cosinusoidal function
colorAdapter Define color changes by two parameters (position count, height percent) for each rectagle
offset Moving bottom offset
directionRight Determine movement side
textAdapter Define text changes by position count for each rectangle

There are 6 default ColorAdapter implementation in box :

  • DefaultColorAdapterGB (Green -> Blue)
  • ColorAdapterBG (Blue -> Green)
  • ColorAdapterBR (Blue -> Red)
  • ColorAdapterGR (Green -> Blue)
  • ColorAdapterRB (Red -> Blue)
  • ColorAdapterRG (Red -> Green)
  • ColorAdapterBG (Blue -> Green)

There are 2 default TextAdapter implementation in box :

  • DefaultBinaryTextAdapter (shows random [0, 1] symbols in each rectagle)
  • WordTextAdapter (shows specified cycle String)

ColorAdapter overriding example :

public class ColorAdapterBR implements Cosin.ColorAdapter {

    @Override
    public int getBackgroundColor() {
        return Color.TRANSPARENT;
    }

    @Override
    public int calcColor(int numOfRect, double percentOfHeight) {
        return Color.argb(150, (int)(255 * (1d - percentOfHeight)), 0, (int)(255 * percentOfHeight));
    }
}

TextAdapter overriding example :

public class WordTextAdapter implements Cosin.TextAdapter {

    private String word;

    public WordTextAdapter(String word) {
        this.word = word;
    }

    @Override
    public char getString(int numOfRect) {
        if (word.isEmpty()) return ' ';
        return word.charAt(numOfRect % word.length());
    }
}

A bit more gifs