Can you layer different views and/or layouts on top of each other? I thought maybe I could use a ViewGroup with an absolute layout for the buttons and my custom ClockView. Can you put the absolute layout with a transparent background on top of the ClockView?
On Mar 9, 11:14 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 abuttonon top of it (a differentbuttondepending > on some xml data). I don't know how to create abuttonfrom 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 thebutton. 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"> > > > <Buttonandroid: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 tomakeabuttonout of a PNG and display it on > > > my canvas (using drawBitmap?). When I click on thisbutton, it will > > > take me to a new activity. All this will be in the onClickListener. > > > > So, how do I take a PNG,makeabuttonwith 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. > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
