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Update seekbar onProgress change #3

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Update seekbar onProgress change #3

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24 changes: 20 additions & 4 deletions CircularSeekBar.java
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Original file line number Diff line number Diff line change
Expand Up @@ -228,7 +228,8 @@ protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
width = getWidth(); // Get View Width
height = getHeight();// Get View Height

int size = (width > height) ? height : width; // Choose the smaller
// add some margin so that the thumb is not cut-off
int size = ((width > height) ? height : width)-25; // Choose the smaller
// between width and
// height to make a
// square
Expand Down Expand Up @@ -277,6 +278,18 @@ protected void onDraw(Canvas canvas) {
* the canvas
*/
public void drawMarkerAtProgress(Canvas canvas) {

/*Point on a circumference of circle given its angle
* x = cx + r * cos(a)
y = cy + r * sin(a)
*/
//Update the thumb to new position as the progress is updated
float avgRadius = (outerRadius+innerRadius)/2;
int calcAngle = (angle+startAngle)%360;
// 15 some random value I picked up to align the center of movement with the circles
dx = (float) ((cx-15) + avgRadius*Math.cos(Math.toRadians(calcAngle)));
dy = (float) ((cy-15) + avgRadius*Math.sin(Math.toRadians(calcAngle)));

if (IS_PRESSED) {
canvas.drawBitmap(progressMarkPressed, dx, dy, null);
} else {
Expand Down Expand Up @@ -436,11 +449,14 @@ public void setProgress(int progress) {
if (this.progress != progress) {
this.progress = progress;
if (!CALLED_FROM_ANGLE) {
int newPercent = (this.progress / this.maxProgress) * 100;
int newAngle = (newPercent / 100) * 360;
//made a minor fix as this is a division of integers
// always returned zeros wile percent calculation
int newPercent = (this.progress *100)/this.maxProgress;
int newAngle = (newPercent* 360)/100;
this.setAngle(newAngle);
this.setProgressPercent(newPercent);
}
this.invalidate();
mListener.onProgressChange(this, this.getProgress());
CALLED_FROM_ANGLE = false;
}
Expand Down Expand Up @@ -572,4 +588,4 @@ public float getAdjustmentFactor() {
public void setAdjustmentFactor(float adjustmentFactor) {
this.adjustmentFactor = adjustmentFactor;
}
}
}