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AswinpAshok/AttendanceCircleView.java

Last active September 21, 2017 16:31
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Revisions

  1. AswinpAshok revised this gist Sep 21, 2017. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion AttendanceCircleView.java
    View file
    Original file line number Diff line number Diff line change
    @@ -12,7 +12,7 @@
    import android.view.View;

    /**
    * Created by ASQWIN on 7/15/2017.
    * Created by ASWIN on 7/15/2017.
    */

    public class AttendanceCircleView extends View {
  2. AswinpAshok created this gist Sep 15, 2017.
    179 changes: 179 additions & 0 deletions AttendanceCircleView.java
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,179 @@
    package com.sandftechnologies.schoolmanagement.CustomView;

    import android.content.Context;
    import android.graphics.Canvas;
    import android.graphics.Color;
    import android.graphics.Paint;
    import android.graphics.Rect;
    import android.graphics.RectF;
    import android.util.AttributeSet;
    import android.util.DisplayMetrics;
    import android.util.Log;
    import android.view.View;

    /**
    * Created by ASQWIN on 7/15/2017.
    */

    public class AttendanceCircleView extends View {
    private Paint backgroundPaint;
    private Paint whitePaint;
    private RectF bounds,boarderbounds;
    private float ViewHeight,ViewWidth;
    private float textsize;
    private Paint boarderPaint;
    private String nominator="",denominator="";
    private Paint stringPaint;
    private DisplayMetrics metrics;
    private float boarderPaintWidth;
    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {

    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
    bounds=new RectF();
    boarderbounds=new RectF();
    ViewHeight=getMeasuredHeight();
    ViewWidth=getMeasuredWidth();
    if(ViewWidth>ViewHeight){
    ViewWidth=ViewHeight;
    }else {
    ViewHeight=ViewWidth;
    }
    bounds.set(0,0,ViewWidth,ViewHeight);
    boarderbounds.set(boarderPaintWidth/2f,boarderPaintWidth/2f,ViewWidth-boarderPaintWidth/2f,ViewHeight-boarderPaintWidth/2f);
    textsize=ViewHeight/5;
    }

    public void setNominator(String s){
    this.nominator=s;
    invalidate();
    }
    public void setDenominator(String s){
    this.denominator=s;
    invalidate();
    }



    public AttendanceCircleView(Context context, AttributeSet attrs) {
    super(context, attrs);

    metrics = getResources().getDisplayMetrics();
    int densityDpi = (int)(metrics.density * 160f);
    Log.d("$#####", "AttendanceCircleView: "+densityDpi);
    boarderPaintWidth = 4*(densityDpi/160);

    backgroundPaint=new Paint();
    backgroundPaint.setAntiAlias(true);
    backgroundPaint.setStyle(Paint.Style.FILL);
    backgroundPaint.setColor(Color.parseColor("#3498db"));

    whitePaint=new Paint();
    whitePaint.setAntiAlias(true);
    whitePaint.setStyle(Paint.Style.FILL);
    whitePaint.setColor(Color.parseColor("#ffffff"));
    whitePaint.setStrokeWidth(boarderPaintWidth);

    stringPaint=new Paint();
    stringPaint.setAntiAlias(true);
    stringPaint.setStyle(Paint.Style.FILL);
    stringPaint.setColor(Color.parseColor("#ffffff"));
    stringPaint.setStrokeWidth(9);


    boarderPaint=new Paint();
    boarderPaint.setAntiAlias(true);
    boarderPaint.setStyle(Paint.Style.STROKE);
    boarderPaint.setColor(Color.parseColor("#ffffff"));
    boarderPaint.setStrokeWidth(boarderPaintWidth);

    }

    @Override
    protected void onDraw(Canvas canvas) {

    canvas.drawOval(bounds,backgroundPaint);
    canvas.drawLine(ViewWidth*15/100,ViewHeight/2f,ViewWidth-(ViewWidth*15/100),ViewHeight/2f,whitePaint);

    float textwidth=whitePaint.measureText (nominator)+stringPaint.measureText(" absent");
    float x=textwidth/2f;

    canvas.drawText(nominator,(ViewWidth/2f)-x,ViewHeight/2f-(ViewHeight*5/100),whitePaint);
    canvas.drawText(" absent",(((ViewWidth/2f)-x)+whitePaint.measureText (nominator)),ViewHeight/2f-(ViewHeight*5/100),stringPaint);


    float totalDenominatorLength=whitePaint.measureText (denominator)+stringPaint.measureText(" days");
    float p=totalDenominatorLength/2f;
    float[] dimensArray=getDenominatorBounds(whitePaint,denominator,stringPaint," days");
    canvas.drawText(denominator,((ViewWidth/2f)-p),(ViewHeight/2f+(ViewHeight*5/100)+dimensArray[1]),whitePaint);
    canvas.drawText(" days",(((ViewWidth/2f)-p)+whitePaint.measureText (denominator)),ViewHeight/2f+(ViewHeight*5/100)+dimensArray[3],stringPaint);

    canvas.drawOval(boarderbounds,boarderPaint);
    super.onDraw(canvas);
    }

    @Override
    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
    super.onSizeChanged(w, h, oldw, oldh);
    ViewWidth=w;
    ViewHeight=h;

    if(ViewWidth>ViewHeight){
    ViewWidth=ViewHeight;
    }else {
    ViewHeight=ViewWidth;
    }

    float desiredWidth=ViewWidth-(ViewWidth*(15/100));
    setTextSizeForWidth(whitePaint,desiredWidth,"15",stringPaint);
    //15 is a dummy value for getting desired text size when scaling
    }

    private float[] getDenominatorBounds(Paint paint,String text, Paint paint2,String text2){
    float[] dimArray=new float[]{1,1,1,1};
    Rect bounds = new Rect();
    paint.getTextBounds(text, 0, text.length(), bounds);

    dimArray[0]=bounds.width();
    dimArray[1]=bounds.height();

    Rect bounds2=new Rect();
    paint2.getTextBounds(text2,0,text2.length(),bounds2);

    dimArray[2]=bounds2.width();
    dimArray[3]=bounds2.height();

    return dimArray;
    }



    private static void setTextSizeForWidth(Paint paint, float desiredWidth,
    String text,Paint stringPaint) {
    // Pick a reasonably large value for the test. Larger values produce
    // more accurate results, but may cause problems with hardware
    // acceleration. But there are workarounds for that, too; refer to
    // http://stackoverflow.com/questions/6253528/font-size-too-large-to-fit-in-cache
    final float testTextSize = 1f;

    // Get the bounds of the text, using our testTextSize.
    paint.setTextSize(testTextSize);
    Rect bounds = new Rect();
    paint.getTextBounds(text, 0, text.length(), bounds);

    // Calculate the desired size as a proportion of our testTextSize.
    float desiredTextSize;
    if(bounds.width()<bounds.height()) {
    desiredTextSize = testTextSize * desiredWidth / bounds.width();

    }else {
    desiredTextSize = testTextSize * desiredWidth / bounds.width();
    }
    desiredTextSize = desiredTextSize / 1.5f;
    // Set the paint for that size.
    paint.setTextSize(desiredTextSize);
    paint.setTextScaleX(.75f);

    stringPaint.setTextSize(desiredTextSize/3.5f);
    }
    }