[android-beginners] Re: MapView - findViewById returns null
Add id to the map view.wat u r doing is wrong..do it like
this
then call..
findViewById(R.id.mapview1)
On Tue, Mar 17, 2009 at 11:33 PM, Francois Stephany <
tulipe.mouta...@gmail.com> wrote:
>
> Hi there,
>
> I'm new to Android development and encounter a small problem. I try to
> retrieve a MapView object in the onCreate method but findViewById
> always returns null.
> Here's the code:
>
> public class MySuperNiceActivity extends MapActivity {
>
>protected MapView mapView;
>
>/** Called when the activity is first created. */
>@Override
>public void onCreate(Bundle savedInstanceState) {
>super.onCreate(savedInstanceState);
>setContentView(R.layout.main);
> mapView = (MapView) findViewById(R.main.mapview1);
>
> // end
>
> --
> main.xml:
>
>
> http://schemas.android.com/apk/res/
> android"
>android:orientation="vertical"
>android:layout_width="fill_parent"
>android:layout_height="fill_parent">
>
>id="@+main/mapview1"
>android:layout_width="fill_parent"
>android:layout_height="fill_parent"
>android:enabled="true"
>android:clickable="true"
>android:apiKey="woaw this is my dev key"/>
>
>
> ---
>
> The map is displayed but the mapView instance variable stays null.
> I guess there's something about the id in the xml files but i dont see
> what...
> any pointers?
>
> Cheers,
>
> Francois
>
> >
>
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[android-beginners] Re: Why doesn't this add an ID in r.java
spelling mistake...make it xmlns:android
On 1/30/09, Kevin J. Brooks wrote:
>
>
> I have the following code in a separate xml file from main. When I save
> the file it it does not add webkit into R.java.
>
>
>xlmns:adroid="http://schemas.android.com/apk/res/android";
> android:layout_width="fill_parent"
> android:layout_height="fill_parent"/>
> On Tue, 2009-01-13 at 18:04 +0530, PRATAP SOLAPUR wrote:
> >
> > import
> >
> > android.app.Activity;
> >
> > import
> >
> > android.os.Bundle;
> >
> > import
> >
> > android.webkit.WebView;
> >
> > public
> >
> > class BrowserDemo1 extends Activity {
> >
> > WebView
> >
> > browser;
> >
> > @Override
> >
> > public void onCreate(Bundle icicle) {
> >
> > super.onCreate(icicle);
> >
> > setContentView(R.layout.
> >
> > main);
> >
> > //browser.getSettings().setJavaScriptEnabled(true);
> >
> > browser=(WebView)findViewById(R.id.webkit);
> >
> > browser.loadUrl("http://www.google.com";);
> >
> > }
> >
> > }
> >
> >
> > On 1/13/09, Bear34238 wrote:
> >
> > I know this is something simple but it has eluded me. Could
> > someone
> > provide a code example of launching the web browser inside an
> > adroid
> > Application.>
>
>
> >
>
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[android-beginners] Re: how to move from one screen to another ?
U should write another activity that displays ur next view n make a call to it by using startActivity().or u can just change the view of current activity on button click by calling setContentView()... On 1/28/09, Ashwani Rao wrote: > > Hi, > > i have created an activity which brings an UI with buttons for various > actions. > I want to associate various actions/call with these buttons. > How i can do this ? > For example i click a button the then i should move to different screen. > > Reagrds, > Ashwani > > > > --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to android-beginners@googlegroups.com To unsubscribe from this group, send email to android-beginners-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en -~--~~~~--~~--~--~---
[android-beginners] Re: regarding game creation
go through the example that are shifted with the sdku may get some idea. On 1/29/09, Ashwani Rao wrote: > > Hi, > > I trying to develop a small game. > I have to draw a screen (in 2D) which will have a backgroung and will > consists of other elements which i should be able to control through > keystrokes. > For example the screen will have a ball and stick. > I should be able to control the stick through keystrokes. > How should i proceed for this ? > Is it possible through views.animation or throgh onDraw(canvas) ? > This screen will have multiple components which will follow their own algo > for their action. > > Online docmentation adds to my confusion as i m very new to android. > Any help or clue on the apporach will be appreciated as it will give me a > starting point. > > Regards, > Ashwani > > > > > > --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to android-beginners@googlegroups.com To unsubscribe from this group, send email to android-beginners-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en -~--~~~~--~~--~--~---
[android-beginners] Re: relative layout
U can do it by using android:background tag in ur layoutfileplace a the picture u want to display in drawable folder n use the tag android:background="@drawable/picturename" On 1/16/09, Ashwani Rao wrote: > > Hi, > > I want to have a beautiful scenery in the background of my menu. > Hoo we can provide this back ground? > > > Regards, > Ashwani > > > > --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to android-beginners@googlegroups.com To unsubscribe from this group, send email to android-beginners-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en -~--~~~~--~~--~--~---
[android-beginners] Re: Emulator Problems
sorry i forgot to mentionimg is the name of the adcard u've creatednot the folder in toolsthe path which i've specified is in my system...it may be different in urs.find the path of sdcard n specify it with -sdcard option. On 1/15/09, dhuri natarajan wrote: > > Hi Pratap, > >I am doing it in ubuntu(Linux). In my > android-sdk-linux_x86-1.0_r2/tools/. I don't see img folder in my sdk. > Instead of img folder what should, i give?. > > > Thanks, > > Dhuri Natarajan. > > On Thu, Jan 15, 2009 at 6:08 PM, PRATAP SOLAPUR > wrote: > >> Start the emulator with -sdcard Option...in eclipse u can >> configure it >> Window>preferences>Android>Launch>Default emulator options...here u need >> to specify -sdcard command n path of the sdcard...like >> >> -sdcard C:\android-sdk-windows-1.0_r2\android-sdk-windows-1.0_r2\tools\img >> and then restart n try it... >> >> >> On 1/15/09, dhuri natarajan wrote: >>> >>> Hi Pratap, >>> >>> Yes. Ofcourse, i dont have permission to read and write. But, how >>> can, i make this read and write permissions. >>> >>> Thanks, >>> >>> Dhuri Natarajan. >>> >>> On Thu, Jan 15, 2009 at 5:33 PM, PRATAP SOLAPUR < >>> pratap.sola...@gmail.com> wrote: >>> >>>> See the permissions column in the SD card in ddmsu should >>>> have read n write permissions to push n pull files. >>>> >>>> >>>> On 1/15/09, dhuri natarajan wrote: >>>>> >>>>> Hi Pratap, >>>>> >>>>> I created SDcard when i loaded emulator itself by giving the >>>>> command ./mksdcard sdcard1.iso. >>>>> >>>>> I have an SDCard in my DDMS. Where else i need to create an SDCard?. >>>>> >>>>> Thanks, >>>>> >>>>> Dhuri Natarajan. >>>>> >>>>> On Thu, Jan 15, 2009 at 4:43 PM, PRATAP SOLAPUR < >>>>> pratap.sola...@gmail.com> wrote: >>>>> >>>>>> U need to create an sd card then push >>>>>> >>>>>> On 1/15/09, dhuri natarajan wrote: >>>>>> >>>>>>> Hi , >>>>>>> >>>>>>> I am not able to push any file by using DDMS. It shows the error >>>>>>> as: >>>>>>> >>>>>>> "Failed to push test_cbr.mp3 on emulator-5554: Read-only file >>>>>>> system". >>>>>>> >>>>>>> What i should do so that i can push the file into emulator into >>>>>>> sdcard. >>>>>>> >>>>>>> >>>>>>> Thanks, >>>>>>> >>>>>>> Dhuri Natarajan. >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>> >>>>> >>>>> >>>> >>>> >>>> >>>> >>> >>> >>> > > > > --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to android-beginners@googlegroups.com To unsubscribe from this group, send email to android-beginners-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en -~--~~~~--~~--~--~---
[android-beginners] Re: Emulator Problems
Start the emulator with -sdcard Option...in eclipse u can configure it Window>preferences>Android>Launch>Default emulator options...here u need to specify -sdcard command n path of the sdcard...like -sdcard C:\android-sdk-windows-1.0_r2\android-sdk-windows-1.0_r2\tools\img and then restart n try it... On 1/15/09, dhuri natarajan wrote: > > Hi Pratap, > > Yes. Ofcourse, i dont have permission to read and write. But, how can, > i make this read and write permissions. > > Thanks, > > Dhuri Natarajan. > > On Thu, Jan 15, 2009 at 5:33 PM, PRATAP SOLAPUR > wrote: > >> See the permissions column in the SD card in ddmsu should have >> read n write permissions to push n pull files. >> >> >> On 1/15/09, dhuri natarajan wrote: >>> >>> Hi Pratap, >>> >>> I created SDcard when i loaded emulator itself by giving the >>> command ./mksdcard sdcard1.iso. >>> >>> I have an SDCard in my DDMS. Where else i need to create an SDCard?. >>> >>> Thanks, >>> >>> Dhuri Natarajan. >>> >>> On Thu, Jan 15, 2009 at 4:43 PM, PRATAP SOLAPUR < >>> pratap.sola...@gmail.com> wrote: >>> >>>> U need to create an sd card then push >>>> >>>> On 1/15/09, dhuri natarajan wrote: >>>> >>>>> Hi , >>>>> >>>>> I am not able to push any file by using DDMS. It shows the error >>>>> as: >>>>> >>>>> "Failed to push test_cbr.mp3 on emulator-5554: Read-only file system". >>>>> >>>>> What i should do so that i can push the file into emulator into sdcard. >>>>> >>>>> >>>>> >>>>> Thanks, >>>>> >>>>> Dhuri Natarajan. >>>>> >>>>> >>>>> >>>> >>> >>> >>> >> >> >> >> > > > > > --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to android-beginners@googlegroups.com To unsubscribe from this group, send email to android-beginners-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en -~--~~~~--~~--~--~---
[android-beginners] Re: Emulator Problems
See the permissions column in the SD card in ddmsu should have read n write permissions to push n pull files. On 1/15/09, dhuri natarajan wrote: > > Hi Pratap, > > I created SDcard when i loaded emulator itself by giving the command > ./mksdcard sdcard1.iso. > > I have an SDCard in my DDMS. Where else i need to create an SDCard?. > > Thanks, > > Dhuri Natarajan. > > On Thu, Jan 15, 2009 at 4:43 PM, PRATAP SOLAPUR > wrote: > >> U need to create an sd card then push >> >> On 1/15/09, dhuri natarajan wrote: >> >>> Hi , >>> >>> I am not able to push any file by using DDMS. It shows the error as: >>> >>> "Failed to push test_cbr.mp3 on emulator-5554: Read-only file system". >>> >>> What i should do so that i can push the file into emulator into sdcard. >>> >>> >>> Thanks, >>> >>> Dhuri Natarajan. >>> >>> >>> >> > > > > --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to android-beginners@googlegroups.com To unsubscribe from this group, send email to android-beginners-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en -~--~~~~--~~--~--~---
[android-beginners] Re: Emulator Problems
U need to create an sd card then push On 1/15/09, dhuri natarajan wrote: > > Hi , > > I am not able to push any file by using DDMS. It shows the error as: > > "Failed to push test_cbr.mp3 on emulator-5554: Read-only file system". > > What i should do so that i can push the file into emulator into sdcard. > > Thanks, > > Dhuri Natarajan. > > > > --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to android-beginners@googlegroups.com To unsubscribe from this group, send email to android-beginners-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en -~--~~~~--~~--~--~---
[android-beginners] Re: Code Example
*
import* android.app.Activity;
*
import* android.os.Bundle;
*
import* android.webkit.WebView;
*
public* *class* BrowserDemo1 *extends* Activity {
WebView browser;
@Override
*public* *void* onCreate(Bundle icicle) {
*super*.onCreate(icicle);
setContentView(R.layout.*main*);
//browser.getSettings().setJavaScriptEnabled(true);
browser=(WebView)findViewById(R.id.*webkit*);
browser.loadUrl("http://www.google.com";);
}
}
On 1/13/09, Bear34238 wrote:
>
>
> I know this is something simple but it has eluded me. Could someone
> provide a code example of launching the web browser inside an adroid
> Application.
> >
>
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[android-beginners] Re: How to get the SMS massage?
Look into android.telephony.gsm ann smsmanager classes... On 1/10/09, lukewar wrote: > > > I have a problem, how to get the sms massage in adroid. I have found a > solution how to get the incoming sms massage but still i can not get > to the already stored massages. Please help. > Luke > > > > --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to android-beginners@googlegroups.com To unsubscribe from this group, send email to android-beginners-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en -~--~~~~--~~--~--~---
[android-beginners] Re: Notepad tutorial
wrpa it with any layout tags...
http://schemas.android.com/apk/res/android";
*
android:orientation=*"vertical"
*
android:layout_width=*"fill_parent"
*
android:layout_height=*"fill_parent"
*
>
http://schemas.android.com/apk/res/android";
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
On 1/10/09, alex.james@googlemail.com
wrote:
>
>
> I'm having the same error as Teena. I created the file res> layout>
> notes_row.xml and this information in it
>
>
> xmlns:android="http://schemas.android.com/apk/res/android";
>android:layout_width="wrap_content"
>android:layout_height="wrap_content"/>
>
> But the R.java file has not changed
>
> Alex
>
> On Jan 9, 4:59 am, "PRATAP SOLAPUR" wrote:
> > Are you getting any errors...
> >
> > On 1/9/09, Teena wrote:
> >
> > > Thanks for the reply Pratap. :) Yes, my notes_row.xml is in the res >
> > > layout folder. Is there anything else I could have misplaced?
> >
> > > _
> >
> > > From: android-beginners@googlegroups.com
> > > [mailto:android-beginn...@googlegroups.com] On Behalf Of PRATAP
> SOLAPUR
> > > Sent: Wednesday, January 07, 2009 11:02 PM
> > > To: android-beginners@googlegroups.com
> > > Subject: [android-beginners] Re: Notepad tutorial
> >
> > > have you placed the files in proper
> directoriesnotes_row.xml
> > > must be in under res>layout folder
> >
> > > On 1/8/09, Teena wrote:
> >
> > > Hi all.
> >
> > > I'm following through the notepad tutorial. I'm in Exercise 1 and in
> step 5
> > > it says at the end of step 5:
> > >http://code.google.com/android/intro/tutorial-ex1.html
> >
> > > "Open the R.java class in the project and look at it, you should see
> new
> > > definitions for notes_row and text1 (our new definitions) meaning we
> can now
> > > gain access to these from the our code."
> >
> > > I don't have these new definitions as far as I can tell. I'm learning
> the
> > > interface of eclipse at the same time, so I might not be looking in the
> > > right place. Here is the contents of my R.java:
> >
> > > /* AUTO-GENERATED FILE. DO NOT MODIFY.
> > > *
> > > * This class was automatically generated by the
> > > * aapt tool from the resource data it found. It
> > > * should not be modified by hand.
> > > */
> >
> > > package com.android.demo.notepad1;
> >
> > > public final class R {
> > >public static final class attr {
> > >}
> > >public static final class drawable {
> > >public static final int icon=0x7f02;
> > >}
> > >public static final class layout {
> > >public static final int notepad_list=0x7f03;
> > >}
> > >public static final class string {
> > >public static final int app_name=0x7f04;
> > >public static final int no_notes=0x7f040001;
> > >}
> > > }
> >
> > > I'm looking under Notepadv1 > src > com.android.demo.notepad1 > R.java
> in
> > > the Package Explorer. Can anyone suggest why my new definitions are
> not
> > > there?
>
> >
>
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[android-beginners] Re: Removing installed application in Emulator
go to command prompt move to tools dir then execute following... adb uninstall package-name where package-name is the package name of the application u want to uninstall. On 1/7/09, Mahesh Vaghela wrote: > To remove application > > go to command prompt > > go up to your tools directory > > than use this commands: > > adb shell > cd data > cd app > ls > > ls will list all your application installed. > > than.. > > rm > > > > > > > > > > On Wed, Jan 7, 2009 at 4:40 PM, Apparao Mulpuri > wrote: > >> >> How can we remove the already installed apps from the Emulator? >> >> Thanks, >> Apparao Mulpuri. >> >> > >> > > > > --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to android-beginners@googlegroups.com To unsubscribe from this group, send email to android-beginners-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en -~--~~~~--~~--~--~---
[android-beginners] Re: Notepad tutorial
Are you getting any errors...
On 1/9/09, Teena wrote:
> Thanks for the reply Pratap. :) Yes, my notes_row.xml is in the res >
> layout folder. Is there anything else I could have misplaced?
>
>
> _
>
> From: android-beginners@googlegroups.com
> [mailto:android-beginn...@googlegroups.com] On Behalf Of PRATAP SOLAPUR
> Sent: Wednesday, January 07, 2009 11:02 PM
> To: android-beginners@googlegroups.com
> Subject: [android-beginners] Re: Notepad tutorial
>
>
> have you placed the files in proper directoriesnotes_row.xml
> must be in under res>layout folder
>
>
> On 1/8/09, Teena wrote:
>
>
> Hi all.
>
> I'm following through the notepad tutorial. I'm in Exercise 1 and in step 5
> it says at the end of step 5:
> http://code.google.com/android/intro/tutorial-ex1.html
>
> "Open the R.java class in the project and look at it, you should see new
> definitions for notes_row and text1 (our new definitions) meaning we can now
> gain access to these from the our code."
>
> I don't have these new definitions as far as I can tell. I'm learning the
> interface of eclipse at the same time, so I might not be looking in the
> right place. Here is the contents of my R.java:
>
> /* AUTO-GENERATED FILE. DO NOT MODIFY.
> *
> * This class was automatically generated by the
> * aapt tool from the resource data it found. It
> * should not be modified by hand.
> */
>
> package com.android.demo.notepad1;
>
> public final class R {
>public static final class attr {
>}
>public static final class drawable {
>public static final int icon=0x7f02;
>}
>public static final class layout {
>public static final int notepad_list=0x7f03;
>}
>public static final class string {
>public static final int app_name=0x7f04;
>public static final int no_notes=0x7f040001;
>}
> }
>
> I'm looking under Notepadv1 > src > com.android.demo.notepad1 > R.java in
> the Package Explorer. Can anyone suggest why my new definitions are not
> there?
>
>
>
>
>
>
>
> >
>
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[android-beginners] Re: Notepad tutorial
have you placed the files in proper directoriesnotes_row.xml
must be in under res>layout folder
On 1/8/09, Teena wrote:
>
>
> Hi all.
>
> I'm following through the notepad tutorial. I'm in Exercise 1 and in step
> 5
> it says at the end of step 5:
> http://code.google.com/android/intro/tutorial-ex1.html
>
> "Open the R.java class in the project and look at it, you should see new
> definitions for notes_row and text1 (our new definitions) meaning we can
> now
> gain access to these from the our code."
>
> I don't have these new definitions as far as I can tell. I'm learning the
> interface of eclipse at the same time, so I might not be looking in the
> right place. Here is the contents of my R.java:
>
> /* AUTO-GENERATED FILE. DO NOT MODIFY.
> *
> * This class was automatically generated by the
> * aapt tool from the resource data it found. It
> * should not be modified by hand.
> */
>
> package com.android.demo.notepad1;
>
> public final class R {
>public static final class attr {
>}
>public static final class drawable {
>public static final int icon=0x7f02;
>}
>public static final class layout {
>public static final int notepad_list=0x7f03;
>}
>public static final class string {
>public static final int app_name=0x7f04;
>public static final int no_notes=0x7f040001;
>}
> }
>
> I'm looking under Notepadv1 > src > com.android.demo.notepad1 > R.java in
> the Package Explorer. Can anyone suggest why my new definitions are not
> there?
>
>
> >
>
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[android-beginners] Re: Multiple activities in a package
change the action tag in the manifest.xml to other than main set it to view. On 1/6/09, rktb wrote: > > > Hi, > > I have 5 activities and a receiver defined in my test package. Upon > successfully building and launching the emulator, I see 5 copies of > the applications in my home screen. Each icon representing one > activity. What am I missing so that I see only one application icon? I > am referring > http://code.google.com/android/reference/android/R.styleable.html#AndroidManifestActivity > but don't seem to be finding an option. > > > Thanks, > Ravi > > > > --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to android-beginners@googlegroups.com To unsubscribe from this group, send email to android-beginners-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en -~--~~~~--~~--~--~---
[android-beginners] Re: Emulator Problems
Its not an errror.its like the mobile keypad lock..to unlock press menu. On 1/6/09, Madhuri wrote: > > > Hi, > >Whenever,i am launching my Emulator from Eclipse, i get Some Error > as, > > > "The Menu is Locked.Please press menu to release the Lock". > > Can any one help me out?. > > Thanks, > > Dhuri Natarajan. > > > > --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to android-beginners@googlegroups.com To unsubscribe from this group, send email to android-beginners-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en -~--~~~~--~~--~--~---
[android-beginners] Re: Problem in Playing sound
May be the emulator volume is set to mute. On 1/6/09, Honest wrote: > > > I am playing sound by putting one folder which contains sound file. > The coding is as below to play file. > > mMediaPlayer = MediaPlayer.create(this, R.raw.test_cbr); >mMediaPlayer.start(); > > > "Test_cbr.mp3" is a file which i put in RAW folder which is available > in RES folder. But when i am executing programme the sound is not > playing. So what can be wrong in it ? Can some one tell me about > this ? > > Any comment will be much appreciated . > > > --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to android-beginners@googlegroups.com To unsubscribe from this group, send email to android-beginners-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en -~--~~~~--~~--~--~---
