private int measureSize(int measureSpec) {
int result = 0;
int specMode = MeasureSpec.getMode(measureSpec);
int specSize = MeasureSpec.getSize(measureSpec);
if (specMode == MeasureSpec.EXACTLY) {
result = specSize;
} else {
result = DensityUtils.dp2px(getContext(), 18);
if (specMode == MeasureSpec.AT_MOST) {
result = Math.min(result, specSize);
}
}
return result;
}
/**
* @author: guoyazhou
* @date: 2016-05-09 14:12
*/
public class CircleView extends View {
private static final String TAG = "CircleView";
private Paint mPaint;
private Bitmap mBitmap;
private float radius = DensityUtils.dp2px(getContext(), 9); // 半径
private float disX; // 位置X
private float disY; // 位置Y
private float angle; // 旋转的角度
private float proportion; // 根据远近距离的不同计算得到的应该占的半径比例
public CircleView(Context context) {
this(context, null);
}
public CircleView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public CircleView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init();
}
private void init() {
mPaint = new Paint();
mPaint.setColor(getResources().getColor(R.color.color_ef5350));
mPaint.setAntiAlias(true);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
setMeasuredDimension(measureSize(widthMeasureSpec), measureSize(heightMeasureSpec));
}
private int measureSize(int measureSpec) {
int result = 0;
int specMode = MeasureSpec.getMode(measureSpec);
int specSize = MeasureSpec.getSize(measureSpec);
if (specMode == MeasureSpec.EXACTLY) {
result = specSize;
} else {
result = DensityUtils.dp2px(getContext(), 18);
if (specMode == MeasureSpec.AT_MOST) {
result = Math.min(result, specSize);
}
}
return result;
}
@Override
protected void onDraw(Canvas canvas) {
canvas.drawCircle(radius, radius, radius, mPaint);
if (mBitmap != null) {
canvas.drawBitmap(mBitmap, null, new Rect(0, 0, 2 * (int) radius, 2 * (int) radius), mPaint);
}
}
public float getProportion() {
return proportion;
}
public void setProportion(float proportion) {
this.proportion = proportion;
}
public float getAngle() {
return angle;
}
public void setAngle(float angle) {
this.angle = angle;
}
public float getDisX() {
return disX;
}
public void setDisX(float disX) {
this.disX = disX;
}
public float getDisY() {
return disY;
}
public void setDisY(float disY) {
this.disY = disY;
}
public void setPaintColor(int resId) {
mPaint.setColor(resId);
invalidate();
}
public void setPortraitIcon(int resId) {
mBitmap = BitmapFactory.decodeResource(getResources(), resId);
invalidate();
}
public void clearPortaitIcon() {
mBitmap = null;
invalidate();
}
}