Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
Example Analog Clock component in Codename One
public class AnalogClock extends Component {
Date currentTime = new Date();
@Override
public void paintBackground(Graphics g) {
super.paintBackground(g);
boolean oldAntialiased = g.isAntiAliased();
g.setAntiAliased(true);
double padding = 10;
double r = Math.min(getWidth(), getHeight())/2-padding;
double cX = getX()+getWidth()/2;
double cY = getY()+getHeight()/2;
// draw the ticks
int tickLen = 10;
int medTickLen = 30;
int longTickLen = 50;
int tickColor = 0xCCCCCC;
Stroke tickStroke = new Stroke(2f, Stroke.CAP_BUTT, Stroke.JOIN_ROUND, 1f);
GeneralPath ticksPath = new GeneralPath();
for ( int i=1; i<= 60; i++){
int len = tickLen;
if ( i % 15 == 0 ){
len = longTickLen;
} else if ( i % 5 == 0 ){
len = medTickLen;
}
double di = (double)i;
double angleFrom12 = di/60.0*2.0*Math.PI;
double angleFrom3 = Math.PI/2.0-angleFrom12;
ticksPath.moveTo(
(float)(cX+Math.cos(angleFrom3)*r),
(float)(cY-Math.sin(angleFrom3)*r)
);
ticksPath.lineTo(
(float)(cX+Math.cos(angleFrom3)*(r-len)),
(float)(cY-Math.sin(angleFrom3)*(r-len))
);
}
g.setColor(tickColor);
g.drawShape(ticksPath, tickStroke);
g.setColor(0x000000);
// Draw the numbers
for ( int i=1; i<=12; i++){
String numStr = ""+i;
int charWidth = g.getFont().stringWidth(numStr);
int charHeight = g.getFont().getHeight();
double di = (double)i;
double angleFrom12 = di/12.0*2.0*Math.PI;
double angleFrom3 = Math.PI/2.0-angleFrom12;
//g.rotate((float)angleFrom12, (int)absCX, (int)absCY);
int tx = (int)(Math.cos(angleFrom3)*(r-longTickLen));
int ty = (int)(-Math.sin(angleFrom3)*(r-longTickLen));
if ( i == 6 ){
ty -= charHeight/2;
} else if ( i == 12 ){
ty += charHeight/2;
}
g.translate(
tx,
ty
);
g.drawString(numStr, (int)cX-charWidth/2, (int)cY-charHeight/2);
g.translate(-tx, -ty);
}
// Draw the hands of the clock
Calendar calendar = Calendar.getInstance(TimeZone.getDefault());
GeneralPath secondHand = new GeneralPath();
secondHand.moveTo((float)cX, (float)cY);
secondHand.lineTo((float)cX, (float)(cY-(r-medTickLen)));
Shape translatedSecondHand = secondHand.createTransformedShape(Transform.makeTranslation(0f, 5, 0));
double second = (double)(calendar.get(Calendar.SECOND));
double secondAngle = second/60.0*2.0*Math.PI;
double absCX = getAbsoluteX()+cX-getX();
double absCY = getAbsoluteY()+cY-getY();
g.rotate((float)secondAngle, (int)absCX, (int)absCY);
g.setColor(0xff0000);
g.drawShape(translatedSecondHand, new Stroke(2f, Stroke.CAP_BUTT, Stroke.JOIN_BEVEL, 1f));
g.resetAffine();
GeneralPath minuteHand = new GeneralPath();
minuteHand.moveTo((float)cX, (float)cY);
minuteHand.lineTo((float)cX+6, (float)cY);
minuteHand.lineTo((float)cX+2, (float)(cY-(r-tickLen)));
minuteHand.lineTo((float)cX-2, (float)(cY-(r-tickLen)));
minuteHand.lineTo((float)cX-6, (float)cY);
minuteHand.closePath();
Shape translatedMinuteHand = minuteHand.createTransformedShape(Transform.makeTranslation(0f, 5, 0));
double minute = (double)(calendar.get(Calendar.MINUTE)) +
(double)(calendar.get(Calendar.SECOND))/60.0;
double minuteAngle = minute/60.0*2.0*Math.PI;
g.rotate((float)minuteAngle, (int)absCX, (int)absCY);
g.setColor(0x000000);
g.fillShape(translatedMinuteHand);
g.resetAffine();
GeneralPath hourHand = new GeneralPath();
hourHand.moveTo((float)cX, (float)cY);
hourHand.lineTo((float)cX+4, (float)cY);
hourHand.lineTo((float)cX+1, (float)(cY-(r-longTickLen)*0.75));
hourHand.lineTo((float)cX-1, (float)(cY-(r-longTickLen)*0.75));
hourHand.lineTo((float)cX-4, (float)cY);
hourHand.closePath();
Shape translatedHourHand = hourHand.createTransformedShape(Transform.makeTranslation(0f, 5, 0));
double hour = (double)(calendar.get(Calendar.HOUR_OF_DAY)%12) +
(double)(calendar.get(Calendar.MINUTE))/60.0;
double angle = hour/12.0*2.0*Math.PI;
g.rotate((float)angle, (int)absCX, (int)absCY);
g.setColor(0x000000);
g.fillShape(translatedHourHand);
g.resetAffine();
g.setAntiAliased(oldAntialiased);
}
}
@shareefhiasat

This comment has been minimized.

Copy link

@shareefhiasat shareefhiasat commented Jul 28, 2015

where is the imports !?!!!!

@Ernesto-Tuti

This comment has been minimized.

Copy link

@Ernesto-Tuti Ernesto-Tuti commented Nov 28, 2015

where is the imports?

@octo-kumo

This comment has been minimized.

Copy link

@octo-kumo octo-kumo commented Nov 10, 2017

NOT WORKING AT ALL

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment