private void init() {
mWhitePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mWhitePaint.setStyle(Paint.Style.FILL_AND_STROKE);
mWhitePaint.setStrokeWidth(Helper.dpToPixel(0.1f, getContext()));
mWhitePaint.setColor(Color.WHITE);
mGreyPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mGreyPaint.setStyle(Paint.Style.STROKE);
mGreyPaint.setStrokeWidth(Helper.dpToPixel(2, getContext()));
mGreyPaint.setColor(Color.WHITE);
mBound = new RectF();
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
float mAngle = mProgress * 360f / mMax;
canvas.drawArc(mBound, 270, mAngle, true, mWhitePaint);
int padding = Helper.dpToPixel(4, getContext());
canvas.drawCircle(getWidth() / 2, getHeight() / 2, getWidth() / 2 - padding, mGreyPaint);
}
private void updateBackgroundSize() {
ViewGroup.LayoutParams params = mBackgroundLayout.getLayoutParams();
params.width = Helper.dpToPixel(mWidth, getContext());
params.height = Helper.dpToPixel(mHeight, getContext());
mBackgroundLayout.setLayoutParams(params);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
int dimension = Helper.dpToPixel(40, getContext());
setMeasuredDimension(dimension, dimension);
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
int padding = Helper.dpToPixel(4, getContext());
mBound.set(padding, padding, w - padding, h - padding);
}
public void setCornerRadius(float radius) {
mCornerRadius = Helper.dpToPixel(radius, getContext());
initBackground(mBackgroundColor, mCornerRadius);
}