[android-developers] Support for Cross-Platform Windowed 3D
Hi guys, I'm wishing to integrate a 3D view into my app that contains a single textured and rigged 3D model of a human, there's no requirement for any interactive controls. Is it possible to: A. Display a 3D view/window within a standard app surrounded by standard UI widgets? B. Are there any tools that will do this cross-platform for both Android and iOS? Appreciate any advice! Many thanks -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to android-developers+unsubscr...@googlegroups.com. To post to this group, send email to android-developers@googlegroups.com. Visit this group at https://groups.google.com/group/android-developers. To view this discussion on the web visit https://groups.google.com/d/msgid/android-developers/5e922b74-8a5c-4e22-bba0-bd73dfb95d03%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
[android-developers] Android NFC Options
Hi guys, I'm attempting to get into NFC on Android by communicating with a custom PN532 device, however I'm a little confused as to my options and the Android protocol. - NFCIP-1, is it possible to place my device as a target into this mode, for Android to automatically detect and communicate with to load an app or can this only be done in card emulation mode (i.e. does NFCIP-1 have to be actively triggered)? - What's the easiest to use card emulation mode for the sake of data format simplicity? (get an NDEF file over to the phone as simple and easy as possible that it will automatically act upon)? Any help/advice is very much appreciated, Many thanks -- You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
[android-developers] Custom SurfaceView with overlayed views
Hi there, My program is a grid (surfaceView) which holds tiles. The surfaceView runs a thread which has synchronized access to the surfaceView (I used the lunar lander example). The surfaceview is added programmatically to a frame layout. I have a palette object which extends a view. When i touch the palette view, after a while, i get a SIGSEV. I think this is because of multiple threads accessing the same object but I've tried everything to fix it. Should I try to avoid using views over the top of each other? Does this kind of thing happen because of the way android works? Or is it purely my fault for being an idiot? Cheers. -- You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
[android-developers] Re: Rotate bitmap in opengl
Thanks Jason. One month later and I finally got it working. You were
correct but it has taken a bit of time me to get my head around what
was going on. You suggestion would rotate the texture around the point
at which it was drawn but I wanted to rotate it around it's mid-point.
I see now that the secret is to:
- translate the origin to a draw point plus half the width and height.
- rotate
- translate back by half the width and height.
- draw
Here is my code. Note to anyone looking at this that I have just tried
it out and I am sure it can be tidied up. Also most importantly I am
adjusting the co-ordinate system to match that of canvas where the top
left is (0,0). This is because by drawing primitives as set to work in
Canvas as well.
surface.glMatrixMode(GL10.GL_MODELVIEW);
Grid.beginDrawing(surface, true, false);
surface.glBindTexture(GL10.GL_TEXTURE_2D, ids[index]);
surface.glLoadIdentity();
surface.glPushMatrix();
// Draw using the DrawTexture extension.
float drawWidth = texture.getDrawWidth();
float drawHeight = texture.getDrawHeight();
float ypos = screenHeight - drawHeight - y;
if (angle0)
{
float halfWidth = drawWidth/2;
float halfHeight = drawHeight/2;
surface.glTranslatef(x+halfWidth, ypos+halfHeight, 0);
surface.glRotatef(-angle, 0.0f, 0.0f, 1.0f);
surface.glTranslatef(-halfWidth, -halfHeight, 0);
}
else
{
surface.glTranslatef(x, ypos, 0);
}
texture.getGrid().draw(surface, true, true);
surface.glPopMatrix();
Grid.endDrawing(surface);
surface.glDisable(GL10.GL_TEXTURE_2D);
Al.
On Oct 15, 3:37 pm, Jason jason.poli...@gmail.com wrote:
You want to call glLoadIdentity before anything else, and remember
that the commands are on a stack, so are processed in reverse order.
The glLoadIdentity will reset everything, so your matrix will be at
0,0. This means you draw, rotate, then translate; but you push the
commands to do this onto the stack in reverse order.
Here's what I do:
// Load the identity matrix so we always start from 0,0
gl.glLoadIdentity();
// push a copy of the matrix on the stack to manipulate
gl.glPushMatrix();
// translate to target coordinates.
gl.glTranslatef(x, y, 0.0f);
// Scale if needed
// gl.glScalef(scaleX, scaleY, 1.0f);
// Rotate (must be in degrees)
gl.glRotatef((float)Math.toDegrees(angle), 0, 0, 1.0f);
// push the draw command last
grid.draw(gl);
// finally pop the matrix
gl.glPopMatrix();
There is NO need to re-translate back anywhere.. and certainly no need
to perform an additional rotation as suggested.
On Oct 15, 8:42šam, Kostya Vasilyev kmans...@gmail.com wrote:
Add another rotate call before the non-working translate, with the inverse
angle (in your case, the value in 'angle' without the '-').
This will reverse the rotation so the translate call can undo the
translation.
--
Kostya Vasilyev --http://kmansoft.wordpress.com
15.10.2010 1:30 ÐÏÌØÚÏ×ÁÔÅÌØ Alistair. alistair.rutherf...@gmail.com
ÎÁÐÉÓÁÌ:
Alas, that had no effect. I have _something_ sort of working
š š š š š šsurface.glMatrixMode(GL10.GL_MODELVIEW);
surface.glEnable(GL10.GL_TEXTURE_2D);
surface.glBindTexture(GL10.GL_TEXTUR...
š š š š š šGrid.beginDrawing(surface, true, false);
š š š š š šsurface.glPushMatrix();
// Draw using the DrawTexture extension.
š š š š š šint drawHeight = texture.getDrawHeight();
š š š š š šint drawWidth = texture.getDrawWidth();
š š š š š šfloat ypos = screenHeight - drawHeight- y;
š š š š š šsurface.glLoadIdentity();
š š š š š šsurface.glTranslatef(x, ypos, 0);
surface.glRotatef(-angle, 0.0f, 0.0f, 1.0f);
š š š š š šsurface.glTranslatef(-x, -ypos, 0); // THIS NOT DOING WHAT
I THOUGHT WOULD
š š š š š štexture.getGrid().draw(surface, true, false);
š š š š š šsurface.glPopMatrix();
š š š š š šGrid.endDrawing(surface);
surface.glDisable(GL10.GL_TEXTURE_2D);
What I can't seem to get working now it the re-translate back to the
original point after the rotation.
On Oct 12, 6:02 am, Kunal Kant kunalkant2...@gmail.com wrote:
remove that line surface.glLoad...
alistair.rutherf...@gmail.comwrote:
I am trying to rotate a bitmap in OpenGL. I have searched around and
come up w...
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[android-developers] Re: Rotate bitmap in opengl
Alas, that had no effect. I have _something_ sort of working
surface.glMatrixMode(GL10.GL_MODELVIEW);
surface.glEnable(GL10.GL_TEXTURE_2D);
surface.glBindTexture(GL10.GL_TEXTURE_2D, ids[index]);
Grid.beginDrawing(surface, true, false);
surface.glPushMatrix();
// Draw using the DrawTexture extension.
int drawHeight = texture.getDrawHeight();
int drawWidth = texture.getDrawWidth();
float ypos = screenHeight - drawHeight- y;
surface.glLoadIdentity();
surface.glTranslatef(x, ypos, 0);
surface.glRotatef(-angle, 0.0f, 0.0f, 1.0f);
surface.glTranslatef(-x, -ypos, 0); // THIS NOT DOING WHAT
I THOUGHT WOULD
texture.getGrid().draw(surface, true, false);
surface.glPopMatrix();
Grid.endDrawing(surface);
surface.glDisable(GL10.GL_TEXTURE_2D);
What I can't seem to get working now it the re-translate back to the
original point after the rotation.
On Oct 12, 6:02 am, Kunal Kant kunalkant2...@gmail.com wrote:
remove that line surface.glLoadIdentity();
i think it will rotate
On Sun, Oct 10, 2010 at 10:46 PM, Alistair.
alistair.rutherf...@gmail.comwrote:
I am trying to rotate a bitmap in OpenGL. I have searched around and
come up with this
public void drawTexture(Texture texture, int index, float x, float
y, float angle)
{
int[] ids = texture.getTextureIds();
if (ids != null)
{
surface.glEnable(GL10.GL_TEXTURE_2D);
surface.glBindTexture(GL10.GL_TEXTURE_2D, ids[index]);
// Draw using the DrawTexture extension.
int drawWidth = texture.getDrawWidth();
int drawHeight = texture.getDrawHeight();
surface.glPushMatrix();
surface.glLoadIdentity();
surface.glRotatef(angle, 0.0f, 0.0f, 1.0f);
((GL11Ext) surface).glDrawTexfOES(x, screenHeight -
drawHeight - y, 0, drawWidth, drawHeight);
surface.glPopMatrix();
surface.glDisable(GL10.GL_TEXTURE_2D);
}
}
Drawing the bitmaps indicated with the ids works fine but no
rotation happens. I am no expert at openGL. Is is possible I need to
set some sort of mode prior to the rotation?
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[android-developers] Re: Rotate bitmap in opengl
After a great deal of searching I have discovered that you cannot use
glRotate and glDrawTexfOES. I will have to use the quad grid from the
SpriteMethodTest in apps-for-android.
On Oct 10, 6:16 pm, Alistair. alistair.rutherf...@gmail.com wrote:
I am trying to rotate a bitmap in OpenGL. I have searched around and
come up with this
public void drawTexture(Texture texture, int index, float x, float
y, float angle)
{
int[] ids = texture.getTextureIds();
if (ids != null)
{
surface.glEnable(GL10.GL_TEXTURE_2D);
surface.glBindTexture(GL10.GL_TEXTURE_2D, ids[index]);
// Draw using the DrawTexture extension.
int drawWidth = texture.getDrawWidth();
int drawHeight = texture.getDrawHeight();
surface.glPushMatrix();
surface.glLoadIdentity();
surface.glRotatef(angle, 0.0f, 0.0f, 1.0f);
((GL11Ext) surface).glDrawTexfOES(x, screenHeight -
drawHeight - y, 0, drawWidth, drawHeight);
surface.glPopMatrix();
surface.glDisable(GL10.GL_TEXTURE_2D);
}
}
Drawing the bitmaps indicated with the ids works fine but no
rotation happens. I am no expert at openGL. Is is possible I need to
set some sort of mode prior to the rotation?
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[android-developers] Rotate bitmap in opengl
I am trying to rotate a bitmap in OpenGL. I have searched around and
come up with this
public void drawTexture(Texture texture, int index, float x, float
y, float angle)
{
int[] ids = texture.getTextureIds();
if (ids != null)
{
surface.glEnable(GL10.GL_TEXTURE_2D);
surface.glBindTexture(GL10.GL_TEXTURE_2D, ids[index]);
// Draw using the DrawTexture extension.
int drawWidth = texture.getDrawWidth();
int drawHeight = texture.getDrawHeight();
surface.glPushMatrix();
surface.glLoadIdentity();
surface.glRotatef(angle, 0.0f, 0.0f, 1.0f);
((GL11Ext) surface).glDrawTexfOES(x, screenHeight -
drawHeight - y, 0, drawWidth, drawHeight);
surface.glPopMatrix();
surface.glDisable(GL10.GL_TEXTURE_2D);
}
}
Drawing the bitmaps indicated with the ids works fine but no
rotation happens. I am no expert at openGL. Is is possible I need to
set some sort of mode prior to the rotation?
--
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[android-developers] Re: Can't debug with my Nexus One
I had to update my usb drivers. http://developer.android.com/sdk/win-usb.html Al. On May 22, 8:37 am, Dominik Erbsland derbsl...@gmail.com wrote: Hi all I have a HTC Hero and newly also a Nexus One. I used to debug with the HTC Hero which worked just fine. Now when I try to debug with my Nexus One I just can't make it work. I updated everything Android via Eclipse and have now the version which officially supports Nexus One as a debug device. Whenever I connect the Nexus One, turn on Debug Mode and want to run the application I don't see the device in the debug list. Anyone got any ideas what I might do wrong? As said above, with the HTC Hero it works just fine. Thanks for help. Dominik -- You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group athttp://groups.google.com/group/android-developers?hl=en -- You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
[android-developers] Noiz2 Android Port Source Code Available
Since this languishing at the bottom of the Arcade and Action section in the marketplace I figured I may as well make the source available. It's maybe not everyone's cup of tea for sure judging from the somewhat polarised comments on it but I learnt a lot from converting it from the original applet. Noiz2 is a vector graphics shoot em up. It was created by Kenta Cho a well known Japanese game designer. The bullet patterns are defined in an XML markup language called BulletML. I had to rewrite the parser for this amongst other stuff. If anyone can make any sense of Kentas code then this component could be pulled out and might serve a useful function in shoot-em-ups of the future. I found it completely impenetrable myself. The game has touchscreen and rollerball support as well as switchable renderers between Canvas and OpenGL. Project is here: http://code.google.com/p/noiz2-droid/ -- You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
[android-developers] Re: Debug certificate has expired!
I think I need to get my eyes tested. The documentation states that the debug.keystore is now stored in C:\Documents and Settings\\.android\ I was looking in the old (which I think must be pre 1.5) directory. I could have sworn I went through this page and never saw anything about expired certificates. http://developer.android.com/guide/publishing/app-signing.html Changed the certificate over and now it works. Al. On Sep 19, 6:03 pm, Alistair. alistair.rutherf...@googlemail.com wrote: Mydebug.keystorecertificate has expired. Does anyone know how to force Android to regenerate either certificate or the whole directory under C:\Documents and Settings\Admin\Local Settings\Application Data \Android I have tried deleting the file then recompiling and switching SDK's but nothing seems to work! Any ideas? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Debug certificate has expired!
My debug.keystore certificate has expired. Does anyone know how to force Android to regenerate either certificate or the whole directory under C:\Documents and Settings\Admin\Local Settings\Application Data \Android I have tried deleting the file then recompiling and switching SDK's but nothing seems to work! Any ideas? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Certificate has expirted
My debug.keystore certificate has expired. Does anyone know how to force Android to regenerate either certificate or the whole directory under C:\Documents and Settings\Admin\Local Settings\Application Data \Android I have tried deleting the file then recompiling and switching SDK's but nothing seem to work! Any idea? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Game using Canvas porting to OpenGL please help
Take a look at the sprite drawing code in the apps-for-android code here http://code.google.com/p/apps-for-android/ You will see how you go about drawing a bitmap onto the OpenGL surface. Trying to explain the steps required to re-implement your sample code in Android might have seemed a bit of a big job hence no replies. I have implemented an abstraction for line drawing in my BulletML demo which lets you switch between Canvas and OpenGL here: http://code.google.com/p/netthreads-for-android/ This only handles line drawing though. It's not easy to get your head around this stuff. I spent a lot of time stumbling around towards a solution. Al. On Jun 30, 10:05 pm, TjerkW tje...@gmail.com wrote: Nobody can help me? On 18 jun, 14:12, TjerkW tje...@gmail.com wrote: Hello All, My game runs fairly well on my phone, but i want to increase the performance by usingopengl. However currently i use the Canvas. I am a beginner inopengl. I have to port all my drawing code toopengl. However can somebody give me directions. For example how do i do the following inopengl: c.save(); c.scale(0.3f+scale, 0.3f+scale, width/2, height/2); c.drawBitmap( bMsg.bitmap, width/2 - bMsg.bitmap.getWidth()/2, dy+height/2 - bMsg.bitmap.getHeight()/2, MESSAGE_PAINT ); c.restore(); And why cant i just use Canvas as an abstraction layer (facade) foropengl. An implementation of canvas could call the correctopenglmethods in order to render. Why do i have to port all my code. I thought the canvas was a good abstraction interface to a drawing surface, why do i have to bother withopengl? It looks like this is possible, when is see the following contructor: public Canvas (GL gl) Also the this seems usefull. SURFACE_TYPE_GPU Surface type: creates a surface suited to be used with the GPU So what should i do? Re implementing the GamePainter completely and callopenglfunctions directly? Or is there some kind of abstraction mechanism, so that i can useOpenGLwith just a few lines of code? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Live traffic events as icons on a map
Are you sure you want to update the map in real time? In terms of a mobile application users are not going to have the application open to the map view constantly they will open the app and observe the current state of the road location they are interested in. All you really need to do is fetch the latest data when the view is opened and update the current event list. Al. On Jun 21, 12:19 pm, Lex hakkinen1...@gmail.com wrote: Hi everyone, I am developing a prototype application which features basic navigation (updating of own location on the map) and displays live traffic events as traffic sign icons on the map. The traffic events will be fetched from a server over a UDP connection. (I haven't implemented this as I don't have the traffic message specs yet). The idea is to display traffic events in real-time and also delete them when they have expired. I figured out that what I need for this is one or more ItemizedOverlays with dynamic items. I found this post, http://groups.google.com/group/android-developers/browse_thread/threa... which seems to be similar to my application. So the circular process is: 1. fetch traffic data from server 2. populate an ItemizedOverlay object containing traffic events 3. update the map accordingy when the items in the overlay have changed Apparently in the MapView (or Map Activity?) I need some sort of a listener for changes in the ItemizedOverlay object. What is the best practice for doing this? Thanks, Lex --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Getting driving directions from application
I think this might be a bit out of date. I put the phrase android draw polyline into Google. http://www.anddev.org/route_-_improved_google_driving_directions-t1892.html Al. On Jun 10, 9:57 am, skyman krzysiek.bieli...@gmail.com wrote: Anyone? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Getting driving directions from application
Perhaps some combination of http://data.giub.uni-bonn.de/openrouteservice/ http://wiki.openstreetmap.org/index.php/OpenRouteService#ORS_.22API.22 But it's Europe only I'm afraid. Al. On Jun 10, 1:21 pm, skyman krzysiek.bieli...@gmail.com wrote: In current SDK there is no com.google.googlenav :( --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] OpenGL - glLineWidthx, glLineWidth bug
Can anyone confirm that the OpenGL methods glLineWidthx, glLineWidth do not work. That is, setting these to anything about 1 has no effect when running on the phone. They appear to work on the emulator okay but not the phone. Al. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: OpenGL - glLineWidthx, glLineWidth bug
I have added an issue to the Android Issue Tracker because I didn't see it already mentioned. http://code.google.com/p/android/issues/detail?id=2769 Al. On May 26, 9:19 pm, Streets Of Boston flyingdutc...@gmail.com wrote: Looks like the iPhone has the same issue:http://www.khronos.org/message_boards/viewtopic.php?f=4t=1223 It seems that only a line-width of exactly 1 must be supported, anything else is optional.http://www.khronos.org/opengles/documentation/opengles1_0/html/glLine... On May 26, 4:58 am, Alistair. alistair.rutherf...@googlemail.com wrote: Can anyone confirm that the OpenGL methods glLineWidthx, glLineWidth do not work. That is, setting these to anything about 1 has no effect when running on the phone. They appear to work on the emulator okay but not the phone. Al. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Using glColor4x
That works! Wonderful, thanks. I was doing something dumb right enough. Al On May 18, 10:48 pm, Streets Of Boston flyingdutc...@gmail.com wrote: I think the color values are values between 0 (rgb = 0) and 1 (rgb = 255). And, if i'm reading your code correctly, the 'red', 'green' and 'blue' values in your code-example have values between 0 and 255 (in fixed format: 0.0, 1.0, 2.0 -- 255.0).http://www.khronos.org/opengles/documentation/opengles1_0/html/glColo... Try this as your last statement: surface.glColor4x(red/255, green/255, blue/255) On May 18, 8:53 am, Alistair. alistair.rutherf...@googlemail.com wrote: Anyone used glColor4x much? I am passing colours into a line draw rtn in the usual format '4 bytes: alpha, red, green, blue.' my call to to set the colour attempts to modify the RRGGBB parts into fixed format values. int red = (color0x00FF); int green = (color0xFF00)8; int blue = (color0x00FF)16; surface.glColor4x(red, green, blue, 0); I am getting screwy colours from this. I have searched but there aren't many examples of this call kicking around and used in this way. I am obviously doing something dumb. Do I have to format the rgb values as percentages somehow? 'surface' is defined as GL10 btw. Al. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Using glColor4x
Anyone used glColor4x much? I am passing colours into a line draw rtn in the usual format '4 bytes: alpha, red, green, blue.' my call to to set the colour attempts to modify the RRGGBB parts into fixed format values. int red = (color0x00FF); int green = (color0xFF00)8; int blue = (color0x00FF)16; surface.glColor4x(red, green, blue, 0); I am getting screwy colours from this. I have searched but there aren't many examples of this call kicking around and used in this way. I am obviously doing something dumb. Do I have to format the rgb values as percentages somehow? 'surface' is defined as GL10 btw. Al. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Marker Info Window
This page makes a start and should give you some ideas. http://blog.pocketjourney.com/2008/03/19/tutorial-2-mapview-google-map-hit-testing-for-display-of-popup-windows/ The code for the one the image shows would be very useful but I've yet to come across a fully featured pop-up yet On May 10, 10:18 am, Wouter wouterg...@gmail.com wrote: Does nodody has an idea how to do this? On May 6, 4:35 pm, Wouter wouterg...@gmail.com wrote: Hey, How can I make such a info bubble like you see at this image http://www.lifeaware.net/images/screenshots/locatefriend.png I'm looking for it for very long! Thank you --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] BulletML : Source Code
Hi everybody, I have ported Kenta Chos BulletML demo code to the Android platform here: http://code.google.com/p/netthreads-for-android/ From his site BulletML is the Bullet Markup Language. BulletML can describe the barrage of bullets in shooting games I thought a few game designers would be interested. The plan is to use this in a game application I am working on. I have ported his game Noiz2 to Android but it's not quite ready yet. Al. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: SW (2D API) vs. HW (openGL) rendering
Take a look at SpriteMethodTest here http://code.google.com/p/apps-for-android/ Al. On Apr 27, 9:51 pm, mcmc manni...@gmail.com wrote: I'm trying to compare the difference in speed between software and hardware graphics rendering, but I'm a little confused... Can someone please give me a starter? I have 2 apps right now - one written with only java/android 2D APIs, and one written with openGL calls... Thanks a bunch. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Initial database population from large data files, several problems
Justin,
You might find this article of interest. This is a technique to pre-
populate the database and bundle into the assets directory of your
application.
http://www.reigndesign.com/blog/using-your-own-sqlite-database-in-android-applications/
Al.
On Mar 5, 7:49 am, Justin Allen Jaynes jus...@ragblue.com wrote:
I'm building a dictionary application with 135,000 word entries (words
only). My raw file must have been too large (1.5 meg), because I got
this error:
D/asset (909): Data exceeds UNCOMPRESS_DATA_MAX (1424000 vs 1048576)
I've searched for this error with very few relevant hits. It seemed to
mean I could not open an uncompressed file over a meg. So I then split
the file into two smaller files and ran my code on both of them. It
worked out fine. My total application size is 3 meg installed.
My code is:
public void onCreate(SQLiteDatabase database) {
database.execSQL(CREATE TABLE + DATABASE_TABLE + (wordid
INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, word VARCHAR););
Scanner fileScanner = new
Scanner(myContext.getResources().openRawResource(R.raw.wordlist));
while ( fileScanner.hasNextLine() ) {
String wordFromFile = fileScanner.nextLine();
database.execSQL(INSERT INTO words (word) VALUES (' +
wordFromFile + '););
}
fileScanner = new
Scanner(myContext.getResources().openRawResource(R.raw.wordlist2));
while ( fileScanner.hasNextLine() ) {
String wordFromFile = fileScanner.nextLine();
database.execSQL(INSERT INTO words (word) VALUES (' +
wordFromFile + '););
}
}
However, when the application is first run, it takes several MINUTES to
initialize the database in this way. Is there a way (like a copy
command, as found in, say, postgresql, or a restore of a database file)
to copy data from a raw file, and can such a method be accessed from the
SDK so that standard first-run procedures can correctly set up the
database? I have been unable to locate such a luxury. I am seeking to
speed up this data populating process.
First question: how can I speed up my database population?
Second question: is there a way to read a raw resource file larger than
1 megabyte (aside from making it into two smaller files)? If not, why?
Justin
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[android-developers] Re: getAssets().open(file.txt)
Based more or less line for line from EULA.java in apps-for-android
Google Code project.
http://code.google.com/p/apps-for-android/source/browse/trunk/Photostream/src/com/google/android/photostream/Eula.java
public static CharSequence readAsset(String asset, Activity
activity)
{
BufferedReader in = null;
try
{
in = new BufferedReader(new InputStreamReader
(activity.getAssets().open(asset)));
String line;
StringBuilder buffer = new StringBuilder();
while ((line = in.readLine()) != null)
{
buffer.append(line).append('\n');
}
return buffer;
}
catch (IOException e)
{
return ;
}
finally
{
closeStream(in);
}
}
Al.
On Feb 19, 10:31 am, zeeshan genx...@gmail.com wrote:
i am trying to access a resource file by
try {
InputStream is = getAssets().open(read_asset.txt);
int size = is.available();
byte[] buffer = new byte[size];
is.read(buffer);
is.close();
// Convert the buffer into a string.
String text = new String(buffer);
// Finally stick the string into the text view.
TextView tv = (TextView)findViewById(R.id.text);
tv.setText(text);
} catch (IOException e) {
// Should never happen!
throw new RuntimeException(e);
}
and it is returning me exception, please help me
thanks
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[android-developers] Re: Programmatically get resource information
Something like:
private Bitmap getFromName(String bitmapName)
{
Bitmap target = null;
try
{
int value = getFieldValue(bitmapName, R.drawable.class);
InputStream is = context.getResources().openRawResource(value);
target = BitmapFactory.decodeStream(is);
}
catch (Throwable e)
{
// couldn't find it
}
return target;
}
public int getFieldValue(String name, Class obj) throws
NoSuchFieldException, IllegalArgumentException,
IllegalAccessException
{
Field field = obj.getDeclaredField(name);
int value = field.getInt(obj);
return value;
}
On Feb 14, 4:34 pm, stanchat stanc...@tccons.com wrote:
I have a SQLite database and one of the tables has a column that is
the string name of a jpeg file..
For instance the column is called PhotoID and a record value is say
photoone.jpg
I have strored all the actual jpegs in the drawable resouce directory.
I would like to be able to programmatically access the resources with
having to prep or setup the link. I have about 100 photos but do want
to setup a link to the actual resource id.
For instance the R class has the following setting
==
public static final int david_beckham=0x7f020011;
I have created a record in my DB as follows;
INSERT INTO Celebrity_Trump_Raw_Data (Rank, CelebrityName, PayMil,
WebRank, PressRank, TVRank, PhotoId) VALUES ('5', ' David Beckham',
50, '10', '3', '18', 'David_Beckham.jpg');,
I would like to do something like this:
int curr_pic_res = R.drawable.(String.tolower(Celeb.PhotoID));
Is this possible or do I have to create the resource links manaully.
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[android-developers] Geocoder county code started to return NULL
I am using the Geocoder call 'getFromLocationName' to return an Address object given some location text. On one application I examine the country code value of the Address object. I have noticed that at some point over the weekend the Geocoder started returning NULL for this field where it had usually been populated for valid searches before. Anyone else who uses this service from the SDK seen this? Al. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: base64 in the sdk ?
I think the answer is no. You will find a Base64 encoder/decoder here: http://www.source-code.biz/snippets/java/2.htm It seems that it has been used with some success already. http://groups.google.com/group/android-developers/browse_thread/thread/1b434be82afd2661/da653497508b22a3 Al. On Feb 3, 10:25 pm, hapciu horia...@gmail.com wrote: Is there a base64 encoding/decoding utility anywhere in the Android SDK ? I wouldn't want to reinvent the wheel. thanks --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Fwd: GMAPS is not being displayed in the emulator
This really looks to me like your debug map key is incorrect. Refer to http://code.google.com/android/toolbox/apis/mapkey.html There are a couple of batch files, definition.bat and getDebugKey.bat which might help here: http://code.google.com/p/netthreads-for-android/source/browse/#svn/trunk/place-finder/build The keytool.exe is found in your jdk bin directory. Failing that. Have you tried explicitly uninstalling your app and then running it again (which will install it once more). I noticed that any change I made to the key didn't seem to get picked up until I had wiped it from the emulator first. Al. On Feb 3, 3:58 am, swapna annamaneni swapna.annaman...@gmail.com wrote: hi, i am also facing sme problem ,if get it plz let me know @ swapna.annaman...@gmail.com On Fri, Jan 16, 2009 at 12:19 PM, sheik sheik...@gmail.com wrote: Kindly look at this queryand help me regarding the issue.. thank you --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Force close (exception) during rotation
This might help.
http://groups.google.com/group/android-developers/browse_thread/thread/db839840e8f20dc1/ed7737e3e3587881
Al.
On Jan 29, 3:16 am, Sean E. Russell seaneruss...@gmail.com wrote:
I have a strange problem where, if the screen is rotated while a
dialog is displayed, an exception gets thrown every time. It happens
_only_ during this single dialog, and the exception is thrown outside
of the app (there's no trace information that touches any of my
code). It happens in both the emulator and the G1.
I'm wondering if anybody has any suggestions about how I might analyze
this problem, or what might be the cause. The stack trace, for what
it is worth, follows. Is this something I can work around, or is it
an Android bug?
Thanks!
E/AndroidRuntime( 353): Uncaught handler: thread main exiting due to
uncaught exception
E/AndroidRuntime( 353): java.lang.RuntimeException: Unable to start
activity ComponentInfo{net.ser1.timetracker/
net.ser1.timetracker.Tasks}: java.lang.NullPointerException
E/AndroidRuntime( 353): at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
2140)
E/AndroidRuntime( 353): at
android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:
2156)
E/AndroidRuntime( 353): at
android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:
3086)
E/AndroidRuntime( 353): at android.app.ActivityThread.access
$1900(ActivityThread.java:112)
E/AndroidRuntime( 353): at android.app.ActivityThread
$H.handleMessage(ActivityThread.java:1584)
E/AndroidRuntime( 353): at android.os.Handler.dispatchMessage
(Handler.java:88)
E/AndroidRuntime( 353): at android.os.Looper.loop(Looper.java:
123)
E/AndroidRuntime( 353): at android.app.ActivityThread.main
(ActivityThread.java:3742)
E/AndroidRuntime( 353): at
java.lang.reflect.Method.invokeNative(Native Method)
E/AndroidRuntime( 353): at java.lang.reflect.Method.invoke
(Method.java:515)
E/AndroidRuntime( 353): at com.android.internal.os.ZygoteInit
$MethodAndArgsCaller.run(ZygoteInit.java:739)
E/AndroidRuntime( 353): at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:497)
E/AndroidRuntime( 353): at dalvik.system.NativeStart.main
(Native Method)
E/AndroidRuntime( 353): Caused by: java.lang.NullPointerException
E/AndroidRuntime( 353): at
android.app.Activity.restoreManagedDialogs(Activity.java:850)
E/AndroidRuntime( 353): at
android.app.Activity.performRestoreInstanceState(Activity.java:793)
E/AndroidRuntime( 353): at
android.app.Instrumentation.callActivityOnRestoreInstanceState
(Instrumentation.java:1171)
E/AndroidRuntime( 353): at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:
2117)
E/AndroidRuntime( 353): ... 12 more
--- SER
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[android-developers] Re: EULA
I too am looking for a sample EULA. I found this. http://www.developer-resource.com/sample-eula.htm Al. On Dec 5 2008, 6:14 am, lior liorza...@comcast.net wrote: Thanks, I actually meant an agreement example as most examples out them deal with companies (not single developers) On Dec 4, 9:54 pm, Xavier Mathews xavieruni...@gmail.com wrote: Text File Html File pdf File pdf is the best by html. But not all devices can have a pdf reader. So I would go with HTML For the end user license agreement! On 12/04/2008, lior liorza...@comcast.net wrote: Hi folks, My friend and I are about to launch are first app on the Market. We are don't have an incorporated company formed (yet) and we would like to protect us with anEULA. Can someone share anEULAformat that would work for us. Any other advice on the topic ofEULAwill be great. Thanks in advance, Lior -- Xavier A. Mathews Student/Browser Specialist/Developer/Web-Master Google Group Client Based Tech Support Specialist Hazel Crest Illinois xavieruni...@gmail.com¥xavieruni...@hotmail.com¥truestar...@yahoo.com Fear of a name, only increases fear of the thing itself. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Unable to reconstruct bitmap from ksop2 response
I am not that familiar with using SOAP but I have passed images using
Strings in the past.
Can I suggest you encode your image using Base64 and then decode it on
the Android side. You can use something like this:
http://www.source-code.biz/snippets/java/2.htm
Al.
On Jan 13, 11:17 am, sooraj.rit sooraj@gmail.com wrote:
Hi , I am trying to download a bitmap from a web service ( created
in .Net ). My web service consists of a method GetImage , and the
server machine is returning the image stored in it as String which is
converted from Byte[].but when i try to reconstruct a bitmap from the
so obtained byte, it is a null bitmap.I have
attached the source code. any sort of help is greatly appreciated.
public class HelloWeb extends Activity {
private static final String SOAP_ACTION = http://webservice.org/
GetImage;
private static final String METHOD_NAME = GetImage;
private static final String NAMESPACE = http://webservice.org/;;
private static final String URL = http://10.1.26.21/Webservice/
Service1.asmx;
private Object resultRequestSOAP = null;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
//TextView tv = new TextView(this);
ImageView tv = new ImageView(this);
setContentView(tv);
SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME);
SoapSerializationEnvelope envelope = new
SoapSerializationEnvelope
(SoapEnvelope.VER11);
envelope.dotNet = true;
envelope.setOutputSoapObject( request );
HttpTransportSE transport = new HttpTransportSE(URL);
try
{
transport.call(SOAP_ACTION, envelope);
resultRequestSOAP = envelope.getResponse();
String results = resultRequestSOAP.toString();
byte[] bresult = results.getBytes(); //
everything is fine upto this point
Bitmap bitmap ;
bitmap = BitmapFactory.decodeByteArray(bresult , 0,
bresult.length);
//here I get a null
bitmap
ImageView img = (ImageView) findViewById
(R.id.ImageView01);
img.setImageBitmap(bitmap);
}
catch (Exception aE)
{
aE.printStackTrace ();
}
}
}
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[android-developers] Re: how to map physical address to map?
I have been playing around with the Geocoder. Take a look at this. http://ccgi.arutherford.plus.com/blog/wordpress/?p=261 Al. Faber Fedor wrote: Never mind. I found the Geocoder class! Now to figure out how it works... On Sun, Jan 11, 2009 at 7:58 PM, Faber Fedor faberfe...@gmail.com wrote: I've got maps running in my emulator (Yay!). My next step is to take an address entered by the user and map it. How? I thought I could do something like I do on the web and directly ask Google which would then return the latlong for the address, but I don't see anything in the API that would let me do that. -- Faber Fedor Cloud Computing New Jersey http://cloudcomputingnj.com -- Faber Fedor Cloud Computing New Jersey http://cloudcomputingnj.com --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Receive notification for onDestroy, onStop, and onPause etc in other applications?
Maybe your best best is to have a root around the Activity source code http://android.git.kernel.org/?p=platform/frameworks/base.git;a=blob;f=core/java/android/app/Activity.java;h=eafb0488490fd144fa6fac15cbd303dfd93eb894;hb=HEAD Having said that the base activity doesn't seem to be signalling these methods in any way so I think your plain out of luck. Al. On Jan 2, 4:26 pm, focuser linto...@gmail.com wrote: anyone please? On Jan 1, 10:26 am, focuser linto...@gmail.com wrote: Just to clarify: by this I meant to receive notification when onDestroy, onStop etc in other applications are called, i.e. somehow monitor the life cycle of apps running on the phone. On Dec 31 2008, 5:01 pm, focuser linto...@gmail.com wrote: Hi, Is there a way to programmatically receive notification onDestroy, onStop, and onPause etc in other applications on the phone? I see there's a READ_LOGS permission and guess this might be achieved by reading the system log. But I couldn't find anything to access the system logs. Thanks and Happy New Year! --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: getFromLocationName() broken?
Maybe this has been fixed in the latest sdk as I have been using it and it seems to work for me. http://code.google.com/p/netthreads-for-android/source/browse/trunk/place-finder/src/com/netthreads/android/command/GeoCodeCommand.java Al. On Dec 30, 6:06 pm, DMT droiddevelo...@gmail.com wrote: Hi All: anyone know if the Geocoder.getFromLocationName() method is currently working? Has anybody been able to get it to work? If not, when will it be fixed (in what android release)? Thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Greasemonkey on steroids and grouping installed apps
Fantastic stuff, Jeff. Thanks. On Dec 15, 8:01 am, Jeffrey Sharkey jeffrey.shar...@gmail.com wrote: Hey, just wanted to drop a quick line about two Android projects that I just open-sourced. One is Greasemonkey on steroids, which lets websites reach into the Android intent world. There's a video demo showinghttp://m.half.com with a Scan Barcode button added, and linking Wikipedia articles to Maps and Radar apps. http://www.jsharkey.org/blog/2008/12/15/oilcan-greasemonkey-on-steroi... The second is an app that groups all your installed apps using the categories shown in Android Market, making it much easier to find apps. (My all-apps drawer on the homescreen was getting pretty crowded.) Oh, and it offers long-press uninstall for any apps. (This app is still a little rough around the edges.) http://www.jsharkey.org/blog/2008/12/15/grouphome-organize-your-andro... It also offers an example hack of showing app icons in a GridView style, but inside of a ExpandableListView, which isn't really possible out-of-the-box. It does this by wrapping each row of icons into a horizontal LinearLayout, which it can then recycle correctly. In particular, it needed this one-line gem: getExpandableListView().setItemsCanFocus(true); There are links on those blog posts to the full source code of both apps on Google Code, along with APKs ready to install and play with. :) --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Anyone willing to share...
I had a sort of similar problem. This has been discussed here: http://groups.google.com/group/android-developers/browse_thread/thread/75dc91441a151039/557f1cb99c8f4f8d?lnk=gstq=java.lang.IllegalArgumentException+screen+orientation+#557f1cb99c8f4f8d On Dec 15, 4:44 pm, Al Sutton a...@funkyandroid.com wrote: A code snippet which prevents an java.lang.IllegalArgumentException: View not attached to window manager being thrown when .dismiss() is called on a progress dialogue box which is on screen when the device changes orientation. Thanks, Al. -- == Funky Android Limited is registered in England Wales with the company number 6741909. The registered head office is Kemp House, 152-160 City Road, London, EC1V 2NX, UK. The views expressed in this email are those of the author and not necessarily those of Funky Android Limited, it's associates, or it's subsidiaries. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~--~~~~--~~--~--~---
[android-developers] Re: Problem with the onUpdate method of an SQLiteOpenHelper
Okay I fixed it. Not sure if the solution will apply to you.
In my 'onUpgrade' function the table name value was incorrect.
Basically it looks like you are not dropping the table you
subsequently then attempt to recreate. Check your defns.
Al.
On Oct 29, 8:16 pm, Frew [EMAIL PROTECTED] wrote:
So I presume that no one else has seen this error?
-fREW
On Oct 27, 8:30 pm, Frew [EMAIL PROTECTED] wrote:
Ok, so everything that I've been doing with my db has been fine until
I changed it. I made sure that the onUpgrade was right and I get
errors nonetheless. Here is my method:
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int
newVersion) {
db.execSQL(DROP TABLE IF EXISTS + TABLE_NAME);
db.execSQL(DROP TABLE IF EXISTS + FIRST_RUN_TABLE);
onCreate(db);
}
and here is the error:
android.database.sqlite.SQLiteException: Can't upgrade read-only
database from version 1 to 2
I can't seem to find my error. Can you tell what I am doing wrong
here?
Thanks!
-fREW
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[android-developers] Re: Problem with the onUpdate method of an SQLiteOpenHelper
I am getting it as well. If I find out what the problem is I will post
it up.
Al.
On Oct 29, 8:16 pm, Frew [EMAIL PROTECTED] wrote:
So I presume that no one else has seen this error?
-fREW
On Oct 27, 8:30 pm, Frew [EMAIL PROTECTED] wrote:
Ok, so everything that I've been doing with my db has been fine until
I changed it. I made sure that the onUpgrade was right and I get
errors nonetheless. Here is my method:
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int
newVersion) {
db.execSQL(DROP TABLE IF EXISTS + TABLE_NAME);
db.execSQL(DROP TABLE IF EXISTS + FIRST_RUN_TABLE);
onCreate(db);
}
and here is the error:
android.database.sqlite.SQLiteException:Can'tupgraderead-only
databasefrom version 1 to 2
Ican'tseem to find my error. Can you tell what I am doing wrong
here?
Thanks!
-fREW
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[android-developers] Re: my post is not appearing
This seems to be a common theme with this forum. I have posted stuff which hasn't appeared until days later. Al. On Oct 30, 9:43 pm, Ernest Freund [EMAIL PROTECTED] wrote: Hi, my recent post to the Android 'Developer' group is not appearing. I posted it about 45 minutes ago. my login is: [EMAIL PROTECTED] Please help. Thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Android Developers group. To post to this group, send email to android-developers@googlegroups.com 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 -~--~~~~--~~--~--~---
[android-developers] Re: HOWTO: SimpleCursorAdapter with custom row display
After digging a bit further into this group and reading the
documentation some more I think I have even simpler mechanism than
that above.
1) Include the column(s) you want to convert into icons in the adapter
assignment. In this case the last column 'type' is a string which like
0, 1...etc.
TrafficDataAdapter trafficAdapter = new
TrafficDataAdapter(this,
R.layout.situation_row,
mCursor,
PROJECTION,
new int[] {
R.id.title,
R.id.description, R.id.type});
2) My sub-classed adapter is now:
public class TrafficDataAdapter extends SimpleCursorAdapter
{
public TrafficDataAdapter(Context context, int layout, Cursor
c,String[] from, int[] to)
{
super(context, layout, c, from, to);
setViewBinder(new TrafficDataViewBinder());
}
}
Note the call to setViewBinder.
3) The TrafficDataViewBinder class implements a setViewValue call
which according to the documentation:
This class can be used by external clients of SimpleCursorAdapter to
bind values fom the Cursor to views. You should use this class to bind
values from the Cursor to views that are not directly supported by
SimpleCursorAdapter or to change the way binding occurs for views
supported by SimpleCursorAdapter.
If I have understood this correctly the textviews will get handled
automatically. The imageview will trigger a call to the setViewValue
method in the binder where we can test for the column in question and
set an image based on the field value. i.e.
public class TrafficDataViewBinder implements
SimpleCursorAdapter.ViewBinder
{
@Override
public boolean setViewValue(View view, Cursor cursor, int
columnIndex)
{
int nImageIndex = cursor.getColumnIndex(TrafficData.Strings.TYPE);
if(nImageIndex==columnIndex)
{
ImageView typeControl = (ImageView)view;
int type =
Integer.parseInt(cursor.getString(nImageIndex));
typeControl.setImageResource(TrafficData.getTypeResource(type));
return true;
}
return false;
}
}
Al.
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[android-developers] HOWTO: SimpleCursorAdapter with custom row display
I have been playing around with Android for a couple of weeks and am
finally getting somewhere with a small application I have written
which downloads Yahoo traffic data according to the current GPS
position and a set radius. In the process of this I have created a
content provider which holds the current traffic data. This was based
mostly on the Notepad example in the SDK. The main activity is
subclassed from ListActivity and the row layout is:
?xml version=1.0 encoding=utf-8?
LinearLayout
xmlns:android=http://schemas.android.com/apk/res/android;
android:layout_width=fill_parent
android:layout_height=wrap_content
android:orientation=horizontal
TextView android:id=@+id/title
android:textSize=16px
android:textStyle=bold
android:layout_width=140px
android:layout_height=wrap_content/
TextView android:id=@+id/description
android:textSize=12px
android:textStyle=italic
android:layout_width=200px
android:layout_height=wrap_content/
ImageView
android:id=@+id/type
android:layout_width=wrap_content
android:layout_height=wrap_content/
/LinearLayout
What I wanted was to be able to use managedQuery and point it at my
custom adapter which would handle populating the title, description
and ICON columns according to the values in the content provider.
The example here has a good explanation of the custom adapter but uses
a List to provide the row objects before mapping the type to a weather
icon.
http://mylifewithandroid.blogspot.com/2008/04/custom-widget-adapters.html
I wanted to subclass SimpleCursorAdapter which would let me use a
managedQuery to handle all the list stuff. I haven't seen this
anywhere else (I apologise if this seems blindingly obvious). The
secret to making a custom view for the list row is to override the
getView method and use the current Cursor to access the data
fields for the row. Here is my class:
public class TrafficDataAdapter extends SimpleCursorAdapter
{
private Context context;
private int layout;
public TrafficDataAdapter(Context context, int layout, Cursor
c,String[] from, int[] to)
{
super(context, layout, c, from, to);
this.context = context;
this.layout = layout;
}
/**
* Custom view translates columns into appropriate text, images
etc.
*
* (non-Javadoc)
* @see android.widget.CursorAdapter#getView(int,
android.view.View, android.view.ViewGroup)
*/
public View getView(int position, View convertView, ViewGroup
parent)
{
// Cursor to current item
Cursor cursor = getCursor();
ViewInflate inflate = ViewInflate.from(context);
View v = inflate.inflate(layout, parent, false, null);
TextView titleControl = (TextView) v.findViewById(R.id.title);
if (titleControl != null)
{
int index = cursor.getColumnIndex(TrafficData.Strings.TITLE);
String title = cursor.getString(index);
titleControl.setText(title);
}
TextView descriptionControl = (TextView)
v.findViewById(R.id.description);
if (descriptionControl != null)
{
int index =
cursor.getColumnIndex(TrafficData.Strings.DESCRIPTION);
String description = cursor.getString(index);
descriptionControl.setText(description);
}
ImageView typeControl = (ImageView) v.findViewById(R.id.type);
if (typeControl != null)
{
int index = cursor.getColumnIndex(TrafficData.Strings.TYPE);
int type = cursor.getInt(index);
typeControl.setImageResource(TrafficData.getTypeResource(type));
}
return v;
}
}
The helper method TrafficData.getTypeResource(type) takes the type
value and returns an image resource which is an icon to denote the
traffic event type (accident, roadworks etc).
public static int getTypeResource(int type)
{
switch (type)
{
case ACCIDENT:
return R.drawable.accident_panel_slight;
case RESTRICTION:
return R.drawable.restriction_panel_medium;
case ROADWORK:
return R.drawable.roadwork_panel_severe;
case TRANSPORT:
return R.drawable.transport_pane_medium;
case VISIBILITY:
return R.drawable.visibility_panel_slight;
case WEATHER:
return R.drawable.weather_sunny;
}
return android.R.drawable.unknown_image;
}
The call to set the adapter from the list activity is:
mCursor = managedQuery(getIntent().getData(), PROJECTION,
null, null);
TrafficDataAdapter trafficAdapter = new
TrafficDataAdapter(this,
R.layout.situation_row,
