Can you use something like
public class ClockView extends AnalogClock {
/* Here override the functions .. */
}
http://d.android.com/reference/android/widget/AnalogClock.html
Source can be found under
frameworks/base/core/java/android/widget/AnalogClock.java
-Dan
On Mon, Mar 9, 2009 at 8:14 PM, xspotlivin <[email protected]> wrote:
>
> Ok, thanks for the replies. I'm going to describe what I'm trying to
> do better, because I'm still unsure of the solution, and I could
> really use some help.
>
> I have a clock application (how can you attache an image). For each
> shaded region I want to place a button on top of it (a different
> button depending on some xml data). I don't know how to create a
> button from the attached image and then draw it in the correct spot.
> My xml data has the time of the shaded region, so I can figure out
> what angle to put the button. Below is the relevant code from my
> ClockView class. The for loop is looping through each element in an
> xml document (which I pass from the activity class).
>
> Java:
> public class ClockView extends View {
>
> protected Document clockXML;
>
> public ClockView(Context context) {
> super(context);
> this.setBackgroundDrawable(getResources().getDrawable
> (R.drawable.clockbackgroundwithoutnames));
>
> }
> @Override
> protected void onDraw(Canvas canvas) {
>
> // Clock-size rectangle to draw compliance windows
> RectF clockRect = new RectF(86, 6, 394, 314);
>
> // Create a node list containing each reminder
> NodeList reminderNodes = this.clockXML.getElementsByTagName
> ("Reminder");
> int reminderLength = reminderNodes.getLength();
>
> // Loop through each reminder drawing compliance windows
> for (int i=0; i < reminderLength; i++) {
> String timeScheduledString = reminderNodes.item
> (i).getFirstChild().getFirstChild().getNodeValue();
> float timeScheduled = Float.valueOf
> (timeScheduledString.trim());
> String complianceWindowString = reminderNodes.item
> (i).getFirstChild().getNextSibling().getFirstChild().getNodeValue();
> float complianceWindow = Float.valueOf
> (complianceWindowString.trim());
> String administered = reminderNodes.item
> (i).getFirstChild().getNextSibling().getNextSibling().getFirstChild
> ().getNodeValue().trim();
>
> float compStartAngle = -90 + ((timeScheduled*360)/24) -
> (complianceWindow*15);
> float complianceSweepAngle = (complianceWindow*2)*15;
>
> // If we are in the daytime.
> if (compStartAngle < 90 && compStartAngle >= -90) {
> // If a reminder is scheduled in the daytime, but
> window overlaps into the night.
> if ((compStartAngle + complianceSweepAngle) > 90)
> {
> // Compute new angles and sweeps
> float startAngle1 = compStartAngle;
> float sweepAngle1 = 90 - startAngle1;
> // Draw for daytime
> canvas.drawArc(clockRect, startAngle1,
> sweepAngle1, true, this.amColor);
> float sweepAngle2 = complianceSweepAngle -
> sweepAngle1;
> // Draw for nighttime
> canvas.drawArc(clockRect, 90, sweepAngle2,
> true, this.pmColor);
> // Else, just draw normally.
> } else {
> canvas.drawArc(clockRect, compStartAngle,
> complianceSweepAngle, true, this.amColor);
> }
> // If we are in the nighttime
> } else if (compStartAngle >= 90) {
> // If a reminder is scheduled in the nighttime,
> but window overlaps into the day.
> if ((compStartAngle + complianceSweepAngle) > 270)
> {
> // Compute new angles and sweeps
> float startAngle2 = compStartAngle;
> float sweepAngle3 = 270 - compStartAngle;
> // Draw for nighttime
> canvas.drawArc(clockRect, startAngle2,
> sweepAngle3, true, this.pmColor);
> float sweepAngle4 = complianceSweepAngle -
> sweepAngle3;
> // Draw for daytime
> canvas.drawArc(clockRect, 270, sweepAngle4,
> true, this.amColor);
> // Else, just draw normally.
> } else {
> canvas.drawArc(clockRect, compStartAngle,
> complianceSweepAngle, true, this.pmColor);
> }
> // If a reminder is scheduled in the early daytime, but
> window overlaps into the nighttime (backwards)
> } else {
> // Compute new angles and sweeps
> float startAngle3 = compStartAngle;
> float sweepAngle5 = -90 - compStartAngle;
> // Draw for nighttime
> canvas.drawArc(clockRect, startAngle3,
> sweepAngle5, true, this.pmColor);
> float sweepAngle6 = complianceSweepAngle -
> sweepAngle5;
> // Draw for daytime
> canvas.drawArc(clockRect, -90, sweepAngle6, true,
> this.amColor);
> }
>
> // I want to create the buttons here for each
> reminder
>
> }
> }
> }
>
>
> I'm sure if seeing my activity class is relevant. Know that my
> activity class contains the same xml document. My onCreate just sets
> the contentView to the ClockView and starts a thread to update the xml
> document. How do I achieve putting these buttons where I want them?
> I'm almost positive I can't do this in the layout xml because the
> buttons location is determined by the xml data.
>
> Suggestions?
>
> On Mar 9, 12:23 am, Anonymous Anonymous <[email protected]>
> wrote:
> > Something like this?
> >
> > <?xml version="1.0" encoding="utf-8"?>
> > <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android";
> > android:orientation="vertical" android:layout_width="fill_parent"
> > android:layout_height="fill_parent">
> >
> > <Button android:layout_width="wrap_content"
> > android:layout_height="wrap_content" android:text="Hello"
> > android:background="@drawable/u_r_png" />
> > </LinearLayout>
> >
> > On Mon, Mar 9, 2009 at 9:33 AM, xspotlivin <[email protected]>
> wrote:
> >
> > > I'd like to know how to make a button out of a PNG and display it on
> > > my canvas (using drawBitmap?). When I click on this button, it will
> > > take me to a new activity. All this will be in the onClickListener.
> >
> > > So, how do I take a PNG, make a button with it, and draw it on my
> > > canvas? I looked at ImageButton, but I'm unsure how it works or how to
> > > draw it on the canvas.
> >
> > > Thanks for your help. A code sample would also be greatly appreciated.
> >
> >
> >
>
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