LineChartView

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



 dependencies {
        implementation 'com.github.developeramit3:LineChartView:e900ffd463'
  }

    LineChartView.Data data = new LineChartView.Data(value);
          datas.add(data);
     lineChartView = (LineChartView)findViewById(R.id.line_chart_view);
       lineChartView.setData(datas);
        sb_ruler_space.setMax(70);
    sb_ruler_space.setProgress(20);
    if (lineChartView != null) {
        lineChartView.setRulerYSpace(20);
        tv_ruler_y.setText(String.valueOf(20));
    }

 private boolean isBezier = false;

public void bezierModelToggle(View view) {
    if (lineChartView != null) {
        isBezier = !isBezier;
        lineChartView.setBezierLine(isBezier);
    }
}

private boolean isCube = false;

public void pointModelToggle(View view) {
    if (lineChartView != null) {
        isCube = !isCube;
        lineChartView.setCubePoint(isCube);
    }
}

public void doAnimation(View view) {
    if (lineChartView != null) {
        lineChartView.playAnim();
    }
}

   <www.develpoeramit.linechartviewlib.LineChartView
                android:id="@+id/line_chart_view"
                android:layout_width="wrap_content"
                android:layout_height="300dp"/>