仿照群英传-自定义View时钟样式

/** * 主要是支持wrap_content属性 * @param widthMeasureSpec * @param heightMeasureSpec */ 

protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { int widthMode = MeasureSpec.getMode(widthMeasureSpec); int widthSize = MeasureSpec.getSize(widthMeasureSpec); int heightMode = MeasureSpec.getMode(heightMeasureSpec); int heightSize = MeasureSpec.getSize(heightMeasureSpec); int width; int height; if (widthMode == MeasureSpec.EXACTLY) { width = widthSize; } else { float textWidth = mWatch_watch_width * 2; int desired = (int) (getPaddingLeft() + textWidth + getPaddingRight()); width = desired; }

if (heightMode == MeasureSpec.EXACTLY) {
height = heightSize;
} else {

float textHeight = mWatch_watch_height * 2;
int desired = (int) (getPaddingTop() + textHeight + getPaddingBottom());
height = desired;
}
setMeasuredDimension((int) width, (int) height);
}

/**
* 画圆
* @param canvas
*/
@Override
protected void onDraw(Canvas canvas) {

//画圆
Paint paint = new Paint();
paint.setStyle(Paint.Style.STROKE);
paint.setAntiAlias(true);
paint.setStrokeWidth(5);
canvas.drawCircle(mWatch_watch_width, mWatch_watch_height, mWatch_watch_width - 5, paint);

//画刻度

Paint mPaintDegree = new Paint();
mPaintDegree.setStrokeWidth(3);
for (int i = 0; i < 24; i++) {
if (i == 0 || i == 6 || i == 12 || i == 18) {
mPaintDegree.setStrokeWidth(5);
mPaintDegree.setTextSize(30);
canvas.drawLine(mWatch_watch_width, mWatch_watch_height - mWatch_watch_width + 5, mWatch_watch_width,
mWatch_watch_height - mWatch_watch_width + 40, mPaintDegree);
String degree = String.valueOf(i);
canvas.drawText(degree, mWatch_watch_width - mPaintDegree.measureText(degree) / 2, mWatch_watch_height - mWatch_watch_width
+ 90, mPaintDegree);
} else {
mPaintDegree.setStrokeWidth(3);
mPaintDegree.setTextSize(15);
canvas.drawLine(mWatch_watch_width, mWatch_watch_height - mWatch_watch_width + 5, mWatch_watch_width,
mWatch_watch_height - mWatch_watch_width + 20, mPaintDegree);
String degree = String.valueOf(i);
canvas.drawText(degree, mWatch_watch_width - mPaintDegree.measureText(degree) / 2, mWatch_watch_height - mWatch_watch_width
+ 60, mPaintDegree);
}
canvas.rotate(15, mWatch_watch_width, mWatch_watch_height);
}
//画时针
Paint mPaintHout = new Paint();
mPaintHout.setStrokeWidth(20);
Paint mPaintMinute = new Paint();
mPaintMinute.setStrokeWidth(10);
canvas.save();
//translate  将原点平移。
canvas.translate(mWatch_watch_width, mWatch_watch_height);
canvas.drawLine(0, 0, 50, 80, mPaintHout);
canvas.drawLine(0, 0, 100, 100, mPaintMinute);
canvas.restore();
super.onDraw(canvas);
}