[android-beginners] I can't figure out how to link one projects files to another with eclipse. Please Help!

2009-06-07 Thread madcoder

I transferred my development from Windows to Mac.  I have the latest
version of Eclipse, and the 1.5 r2 SDK.  I have successfully ran a
sample Hello world app to make sure it all fits together properly.

I then imported my library projects (called MyLib) that holds many
reusable classes of mine.  I also imported some projects that depend
on the MyLib package.

When I open my projects, Eclipse asks me if I want to open dependent
projects as well, and I select yes.  The MyLib project folder opens up
as it should, and I see the folder in my project as well with the
small link arrow on it.

When I look in my project properties - project references, the MyLib
folder is checked.

When I run my project, it outputs in the debugger (LogCat):

(in yellow)
dalvikvm failed resolving 'Lcom/mycompany/myapp/Splash; interface 22
'Lcom/mycompany/MyLib/MyClass$MyClassCallback;'

dalvikvm Link of class 'Lcom/mycompany/myapp/Splash;' failed

(where MyClass.MyClassCallback is a required interface to one of my
library classes)

(some other stuff...)

(in red)
java.lang.RunTimeException:unable to instantiate activity
ComponentInfo
(com.mycompany.myapp/
com.mycompany.myapp.Splash):java.lang.ClassNotFoundException:com.mycompany.myapp.Splash
in loader dalvik...

Any ideas as to what I'm doing wrong?  Did I fail to link my library
properly?

I've changed many build path properties back and forth trying to get
it to work, but nothing seems to make a difference.

Please help!

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[android-beginners] Re: Very Basic question regarding Activities

2009-02-15 Thread madcoder

Could you give a more detailed example - I too would like to see how
an array (of ints, for example) can be accessed in activity 2 from
activity one.  As it is now, I'm loading that data every time I start
a new activity - and it's quite slow!

Thanks

On Feb 14, 7:32 pm, Ganesan V ganesan.v...@gmail.com wrote:
 U can use Indent class of MyActivity from MyActivity2.

 Ganesh.

 On Sat, Feb 14, 2009 at 2:05 AM, Alex55 aroch...@gmail.com wrote:

  Hello guys,

  I have a very basic question regarding Activities in Android.

  Can I share data types a cross Activities in Android?

  Let's say I have 2 activities, MyActivity.java and MyActivity2.java. I
  have declared some Strings and Arrays on MyActivity that I would like
  to access from MyActivity2, is this possible? If so, how can I
  accomplish this?

  I know its a very basic question, but believe it or not I've had a
  hard time figuring this one out!

  Many thanks for your prompt response,

  Alex
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[android-beginners] Re: doing something useful in splash

2009-02-10 Thread madcoder

I think the splash screen can be shown (or not shown) using a boolean
flag in the method:

onNewIntent(Context context)

Although I won't be able to test until I get home. :)

The problem for me is passing data between the intents.  I can pass
primitives via bundles, and load data from files for new intents/
activities, but how to just pass a reference to a user defined data
type?  is that not allowed?

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[android-beginners] Re: doing something useful in splash

2009-02-10 Thread madcoder

ok, thanks.  i'll work on it tonight
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[android-beginners] Re: Beer Radar Tutorial

2009-02-10 Thread madcoder

It would also be nice to see different icons on the radar map.  For
example:

A bottle indicates a store where beer can be purchased (and maybe a
mixed drink glass for liqueur stores).

A glass indicates a pub - a place where you can actually sit down and
drink.

Also, a small font (text view) under each image identifies each place
as well, e.g., 'pub', 'discotheque' or 'pool hall'.

These might just be user-selectable options in the menu.

:)


On Feb 9, 7:10 pm, madcoder paperga...@gmail.com wrote:
 I want it...NOW

 On Feb 9, 2:00 am, Strawp ikwall...@gmail.com wrote:

  On Feb 8, 5:10 pm, android-noob iceal.thaddeus@gmail.com wrote: Hi,

   I created a tutorial that maps the user's GPS location with BEER
   locations :)

  http://www.androidph.com

  http://www.androidph.com/2009/02/app-10-beer-radar.html

   -ice

  Excellent! This is one of those apps that fills a need I didn't
  realise I had ;)

  You need to sort out the formatting on your blog text though, e.g.
  preserve whitespace on source code snippets and use real unordered
  lists as bullet points instead of putting dashes in. As it is it's
  pretty flat and just makes it hard to read. +1 RSS subscription from
  me though.

  Are you going to turn that app into a real service?

  Iain
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[android-beginners] Re: Beer Radar Tutorial

2009-02-09 Thread madcoder

I want it...NOW


On Feb 9, 2:00 am, Strawp ikwall...@gmail.com wrote:
 On Feb 8, 5:10 pm, android-noob iceal.thaddeus@gmail.com wrote: Hi,

  I created a tutorial that maps the user's GPS location with BEER
  locations :)

 http://www.androidph.com

 http://www.androidph.com/2009/02/app-10-beer-radar.html

  -ice

 Excellent! This is one of those apps that fills a need I didn't
 realise I had ;)

 You need to sort out the formatting on your blog text though, e.g.
 preserve whitespace on source code snippets and use real unordered
 lists as bullet points instead of putting dashes in. As it is it's
 pretty flat and just makes it hard to read. +1 RSS subscription from
 me though.

 Are you going to turn that app into a real service?

 Iain
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[android-beginners] doing something useful in splash

2009-02-09 Thread madcoder

I want to initialize and load some data from a single user defined
data class while the splash screen is being shown.  Then I want to
launch the main Activity, which will have access to this data.

What's the best way to go about this?

Do I create an activity that doesn't show itself, have it display the
splash screen while another thread initializes the data, then show the
main activity?

Do I initialize the data in the splash activity itself, then somehow
pass that data to the next activity?

Or some other way?

The data I want to load will delay the showing of the main activity
just enough to be a distraction.  I would like to overcome this.

Thanks

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[android-beginners] Re: Why I cannot see my email send to the group?

2009-02-03 Thread madcoder

I don't know, I can't see it either.

On Feb 2, 4:06 pm, Jerry jer...@intertrust.com wrote:
 Why?
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[android-beginners] Re: R.java file is not getting updated

2009-02-02 Thread madcoder

LinearLayout android:orientation=vertical
android:layout_width=fill_parent android:layout_height=fill_parent
android:layout_gravity=left android:background=@drawable/
background
Button id=@+id/startgame android:layout_width=fill_parent
android:layout_height=wrap_content android:text=New Match
android:layout_gravity=left/
Button id=@+id/resumegame android:layout_width=fill_parent
android:layout_height=wrap_content android:text=Resume Match
android:layout_gravity=left/
Button android:id=@+id/demonstration
android:layout_width=fill_parent
android:layout_height=wrap_content android:text=Demo Match
android:layout_gravity=left/
Button android:id=@+id/instructions
android:layout_width=fill_parent
android:layout_height=wrap_content android:text=Instructions
android:layout_gravity=left/
/LinearLayout

Try to add

android:

To the First two button id's.

Are you getting any red squiggly lines anywhere in the xml file?  Are
you sure that 'background' has been imported properly into your
project?



On Feb 2, 2:17 pm, Ashwani Rao project.d...@gmail.com wrote:
 Hi,

 Please find the attached xml file.
 I am using eclipse and tried to build the project through eclipes only.

 Thanks and Regrads,
 Ashwani

 On 2/1/09, Kevin J. Brooks bear123434...@comcast.net wrote:



  This fixed my problem.  Try building your project.

  On Fri, 2009-01-30 at 07:57 -0500, Mark Murphy wrote:
   Ashwani Rao wrote:
HI,

I have created xml file for UI.
I  later added identifiers (@+/id) to few elements  but the R.java file
is not getting updated.

   There are many possible causes for this. Can you post the layout XML
  file?



  main.xml
 1KViewDownload
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[android-beginners] Re: Total noob

2009-01-30 Thread madcoder

Before you try to start coding I recommend learning the basics of the
IDE with the incredible and FREE tutorials here:

http://eclipsetutorial.sourceforge.net/index.html

There are four tutorials:

Using the Eclipse Workbench
Eclipse and Java for Total Beginners
Introducing Persistence
Using the Debugger

I suggest you follow them in that order.  Even though you may know
Java, I think following the 'Total Beginners tutorial is well worth
learning how to do some nice trick with the editor.  If you complete
the tutorials, you will likely save MUCH more time when developing,
than trying to dive right in without a solid foundation on how to use
the editor.

I followed them all when I was first learning android, and the IDE is
a snap for me now.

when you are finished with the tutorials, you can look here for more
info on integrating JUnit tests with android:
http://dtmilano.blogspot.com/2008/11/android-testing-on-android-platf.html

Hope this helps



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[android-beginners] Re: String[]

2009-01-26 Thread madcoder

His syntax is good, Eclipse is just saying that the variable is not used.

Indeed.  Use 'array' somewhere in your app, and the error will go
away.

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[android-beginners] Re: R.java file dont update

2009-01-25 Thread madcoder

Right-click the raw folder, then select 'import'.  From there, expand
the 'general' file, select 'file system'.  Then click the 'next'
button.  Click the 'browse' button, then locate the folder containing
the files you want to import.  Select that folder, and your files
should appear on the right pane.  Then select the files you want to
import, and press 'finish'.

R should update automatically.  If it doesn't, you most likely have an
error in your projects files, and you need to correct them for R to be
able to update.  An example of this would be referencing a resource in
an xml file or code that doesn't exist.  Even though you may have just
imported it, it won't be recognized until the error is fixed.  In the
case of the previous example, you could just comment out the code and
allow it to update the R file, then de-comment it.

Hope this helps

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[android-beginners] Re: Common functionality between activities

2009-01-22 Thread madcoder

Sweet, I'm modding a program tonight because of this concept!
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[android-beginners] spinner blues

2009-01-08 Thread madcoder

I have tried putting a spinner in an app, both from books and several
online tutorials, and it keeps locking up.  It seems like my emulator
doesn't like when I set the adapter the the array list.  I even made a
test project just to try the spinner itself, but to no avail.  I'm
doing the same code that others say work, but it doesn't for me.  Any
ideas?

Here's the main XML:

?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

TextView
android:id=@+id/test_result
android:layout_width=fill_parent
android:layout_height=wrap_content
android:text=@string/hello
/
Spinner android:id=@+id/spin
android:layout_width=fill_parent
android:layout_height=wrap_content
android:drawSelectorOnTop=true
/
/LinearLayout


...the code:


import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.TextView;

public class SpinTest extends Activity {

TextView testResult;

private ListString allUnits;
Spinner spin;
ArrayAdapter String adapter;

private String[] units = { Carrier, Battle ship, Cruiser,
Destroyer, Frigate, Submarine, Boomer };

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);

testResult = (TextView)findViewById(R.id.test_result);
Log.d(onCreate, testResult id found);

spin =(Spinner)findViewById(R.id.spin);
Log.d(onCreate, spinner id found);

allUnits = new ArrayListString();
for(String s: units ){
allUnits.add(s);
}
Log.d(onCreate, arraylist created);

adapter = new ArrayAdapter String (this,
android.R.layout.simple_spinner_item, allUnits);
Log.d(onCreate,new adapter made);

adapter.setDropDownViewResource
(android.R.layout.simple_spinner_dropdown_item);
Log.d(onCreate, adapter layout set);

spin.setAdapter(adapter);
Log.d(onCreate, spinner adapter set);

setContentView(R.layout.main);
}
}


...and finally, the last portion of the log:


01-09 12:17:15.376: WARN/ActivityThread(176): Application
com.mylib.SpinTest is waiting for the debugger on port 8100...
01-09 12:17:15.384: INFO/System.out(176): Sending WAIT chunk
01-09 12:17:15.427: INFO/dalvikvm(176): Debugger is active
01-09 12:17:15.585: INFO/System.out(176): Debugger has connected
01-09 12:17:15.605: INFO/System.out(176): waiting for debugger to
settle...
01-09 12:17:15.804: INFO/System.out(176): waiting for debugger to
settle...
01-09 12:17:16.004: INFO/System.out(176): waiting for debugger to
settle...
01-09 12:17:16.237: INFO/System.out(176): waiting for debugger to
settle...
01-09 12:17:16.454: INFO/System.out(176): waiting for debugger to
settle...
01-09 12:17:16.495: DEBUG/dalvikvm(52): GC freed 3217 objects / 211888
bytes in 537ms
01-09 12:17:16.654: INFO/System.out(176): waiting for debugger to
settle...
01-09 12:17:16.864: INFO/System.out(176): waiting for debugger to
settle...
01-09 12:17:17.065: INFO/System.out(176): waiting for debugger to
settle...
01-09 12:17:17.125: INFO/ActivityManager(52): Start proc
com.android.alarmclock for broadcast
com.android.alarmclock/.AlarmInitReceiver: pid=186 uid=1 gids={}
01-09 12:17:17.184: INFO/ActivityManager(52): processNextBroadcast:
waiting for ProcessRecord{4348b1b8 186:com.android.alarmclock/1}
01-09 12:17:17.284: INFO/System.out(176): waiting for debugger to
settle...
01-09 12:17:17.335: INFO/jdwp(186): received file descriptor 10 from
ADB
01-09 12:17:17.424: DEBUG/PhoneApp(91): [CallNotifier] onMwiChanged():
false
01-09 12:17:17.444: DEBUG/PhoneApp(91): [CallNotifier] onCfiChanged():
false
01-09 12:17:17.485: INFO/System.out(176): waiting for debugger to
settle...
01-09 12:17:17.684: INFO/System.out(176): waiting for debugger to
settle...
01-09 12:17:17.704: WARN/StkAppInstaller(91): Could not change STK app
state
01-09 12:17:17.754: INFO/ARMAssembler(52): generated
scanline__0077:03515104__ [ 27 ipp] (41 ins) at
[0x227f48:0x227fec] in 3006597 ns
01-09 12:17:17.764: DEBUG/TelephonyProvider(91): Setting numeric
'310260' to be the current operator
01-09 12:17:17.894: INFO/System.out(176): waiting for debugger to
settle...
01-09 12:17:17.974: INFO/ActivityThread(186): Publishing provider
com.android.alarmclock: com.android.alarmclock.AlarmProvider
01-09 12:17:18.094: INFO/System.out(176): waiting for debugger to
settle...
01-09 12:17:18.295: DEBUG/MobileDataStateTracker(52): CONNECTED event
did 

[android-beginners] Re: ImageView with large picture crashes on orientation change

2009-01-04 Thread madcoder

Even though you are de-referencing the image view, there still may be
a reference in the Activity itself.  Try using this instead:

iv = new ImageView(Context.getApplicationContext() );

I think you're creating a new image, while maintaining the reference
to the old image(s) every time you change views.

There is a good write up on this here:
http://www.curious-creature.org/2008/12/18/avoid-memory-leaks-on-android/

Let me know if it helps.
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[android-beginners] Re: why doesn't this work? Simple question - I hope...

2008-12-31 Thread madcoder

Yes, Mike, that makes a lot of sense.  As a hobby programmer, I've
only had to maintain my own code.  :)

Other calendar libraries, such as the ones from IBM, can be used - but
they're not part of the standard Java SDK.


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[android-beginners] Re: sluggishness of G1 android

2008-12-30 Thread madcoder

You can actually just hold down the power button, there's no need to
hold both home and power buttons at the same time.

This also gives you the option for silent mode so you don't have to go
to settings to select it.

Mike, good advice on identifying the leaking application.


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[android-beginners] Re: some android stuff i made

2008-12-30 Thread madcoder

Is making products based on the Android design legal?  It would be
nice if it is, but is the logo  design copyrighted/trademarked?

Would be a shame for you to make a bunch of nice T-shirts, polo
shirts, buttons, etc., and wind up not being allowed to sell them.

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[android-beginners] Re: why doesn't this work? Simple question - I hope...

2008-12-27 Thread madcoder

Ah, I see.  Now it makes sense.

So why even bother with Calendar, then?  I should just use the
Gregorian Calendar.

I read about the different Calendars available (from non-Sun
companies, like IBM), but I didn't realize it was implemented in this
way.

I love OOP programming, but coming from an old Basic background,
sometimes things slip by me.   Well, maybe more than sometimes.   :)

Thanks!
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[android-beginners] why doesn't this work? Simple question - I hope...

2008-12-26 Thread madcoder

What's the difference between:

Calendar c = new Calendar();  // doesn't work

and

Calendar c = Calendar.getInstance(); // does work

Calendar is an abstract class, yet I can get an instance of it.

I've used Java for a while now, but as an on/off hobby.  Android has
restarted my desire to code!

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[android-beginners] I can set the button colors, but I can't change them!

2008-11-23 Thread madcoder

I'm not looking for the easy solution (although that would be nice),
but I will be more than happy with someone pointing me in the right
direction so I can figure it out.

I can set the button colors, but I can't change them.  Well, I can,
but not the way I would like to:

using this line of code in onCreate:

redButton.setBackgroundColor(Color.RED);

sure enough, the button starts as red.

Later, in another method in the same activity and thread, I try to
change the color once again:

redButton.setBackgroundColor(Color.BLACK);

next, I tell it to draw again:

redButton.invalidate();

finally I introduce a delay to let the UI update and allow the user to
see the color change:

long t = System.currentTimeMillis();
t = t + 100;
while ( System.currentTimeMillis()  t ) { ; }  // crude, but I think
it's effective

I want the color of the button to return to the previous color
automatically, so I do this next:

redButton.setBackgroundColor(Color.RED);
redButton.invalidate();

The delay happens, but the color change does not.  Or does it, and I
just don't see it (because it happens too fast)?

When I remove the final two lines of code that change the color back
to red, the button does turn black.

So, I think this may have to do with threads, but I'm not sure.  Any
advice would be greatly appreciated.


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[android-beginners] Re: How to sign out of Gmail on G1 phone?

2008-11-23 Thread madcoder

I agree, a user should be able to log out of gmail from the phone.  An
alternative way to read and reply to emails from other google accounts
is to go to gmail settings, then accounts.  From there you can add
other email accounts, and be able to reply as if you were using that
account.


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[android-beginners] Re: How to sign out of Gmail on G1 phone?

2008-11-23 Thread madcoder

I agree, a user should be able to log out of gmail from the phone.  An
alternative way to read and reply to emails from other google accounts
is to go to gmail settings, then accounts.  From there you can add
other email accounts, and be able to reply as if you were using that
account.


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[android-beginners] Re: new raw folder cannot be found by aapt tool

2008-11-20 Thread madcoder

Sorry guys, I figured it out...

I didn't realize the it was under import-general

Thanks anyways!

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