[android-developers] Android how to send the hex code out?

2012-03-06 Thread mark2011
Dear All :

   I want to send out the hex code like 0xfa through the serial port.
How do I send the 0x code in the program?

Thanks in advanced.

BR,
Mark

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[android-developers] How to send thw hexstring

2012-03-06 Thread mark2011
Dear All :

I want to send out the hex code(0xfa,). I had prepared the
hexstring to send. But it will change into string when I received it
from another terminal.

1 byte will be changed into 2 bytes. Is there any mechod to keep it in
hex(just 1 byte)?

Thanks in advanced.

Br,
Mark

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[android-developers] Re: Android how to send the hex code out?

2012-03-06 Thread mark2011
Dear Todd :

Thanks for your kindly hint. Could you give me a more detail?
Thanks.

BR,
Mark

On 3月6日, 下午6時57分, Todd Grigsby tgrigsby...@gmail.com wrote:
 Google hex notation and hexadecimal.
 On Mar 6, 2012 12:34 AM, mark2011 androidmark2...@gmail.com wrote:



  Dear All :

I want to send out the hex code like 0xfa through the serial port.
  How do I send the 0x code in the program?

  Thanks in advanced.

  BR,
  Mark

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[android-developers] My eclipse can't produce APK anymore

2012-03-01 Thread mark2011
Dear All :

 Today I found that my eclipse went wrong. After I update the
program  save it in the projects, Eclipse doesn't produce the APK
automatically.

How do I to generate the apk?

Thanks in advanced.

My Eclipse is Indigo under Windows/XP.

BR,
Mark

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[android-developers] Common subroutine

2012-02-16 Thread mark2011
Dear All :

   Could I write some common subroutine in a single program, then I
can call these subroutine from other programs. How do I call them?

Thanks in advanced.

BR,
mark

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[android-developers] Re: Image button Issue

2012-02-12 Thread mark2011
Dear fei ji :

Thanks for your kindly response.

I had tried to use dip instead of px, but it doesm't work.

Should I add anything except dip?

BR,
Mark

On Feb 10, 7:31 pm, fei ji ufo22940...@gmail.com wrote:
 Did you use dip when setting height and width of ImageButton?



 On Fri, Feb 10, 2012 at 7:19 PM, mark2011 androidmark2...@gmail.com wrote:
  Dear All :

     I set up the background image, it will automatically adjust to
  match the diffent screens of different devices. But the image set for
  the button is not. Is there any method that I don't need to adjust the
  position of the ImageButton to match the different devices?

  Thanks in advanced.

  BR,
  Mark

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[android-developers] Layout

2012-02-12 Thread mark2011
Dear All :

   I want to write a application to display some information  the
users can set up some data while they click some buttons. If I want to
install this apk into different screen size devices without too much
effort, what kind of layout should I use?

Thanks in advanced.

BR,
Mark

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[android-developers] Re: Layout

2012-02-12 Thread mark2011
Dear  fei ji :

   I had tried. But the result isn't what I want. Maybe I
misunderstand your meaning. Could you give me an example? Thanks.

Br,
Mark

On Feb 13, 1:49 pm, fei ji ufo22940...@gmail.com wrote:
 Using dip instead of px, then the size will change according the dpi value
 of specific device. then put your image files in  drawable-mdpi -hdpi
 -ldpi, Then android will get the most suitable image when needed. Then
 layout is the same as image.

 On Mon, Feb 13, 2012 at 12:48 PM, mark2011 androidmark2...@gmail.comwrote:



  Dear All :

    I want to write a application to display some information  the
  users can set up some data while they click some buttons. If I want to
  install this apk into different screen size devices without too much
  effort, what kind of layout should I use?

  Thanks in advanced.

  BR,
  Mark

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[android-developers] Image button Issue

2012-02-10 Thread mark2011
Dear All :

I set up the background image, it will automatically adjust to
match the diffent screens of different devices. But the image set for
the button is not. Is there any method that I don't need to adjust the
position of the ImageButton to match the different devices?

Thanks in advanced.

BR,
Mark

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[android-developers] android fullscreen issue

2012-02-07 Thread mark2011
Dear All :

   I had written the below command at my project AndroidMainfest.xml.
android:theme=@android:style/Theme.NoTitleBar.Fullscreen.

I installed the apk into 2 different android phone(one is android
2.2.1, the other is 2.2.2).

One is fullscreen display, but the other isn't. It displays electronic
cell status still.

Is there anyone know the why?

Thanks in advanced.

BR,
Mark

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[android-developers] Re: android fullscreen issue

2012-02-07 Thread mark2011
Dear ji fei :

Thanks for your quick reply. After I change minSdkVersion from 7
to 9, I Can't install this apk into android 2.1 anymore.

BR,
Mark

On Feb 7, 5:37 pm, ji fei ufo22940...@gmail.com wrote:
 Try to add follow code to AndroidManifest.xml. Maybe works.
 uses-sdk android:minSdkVersion=9/



 On Tue, Feb 7, 2012 at 4:56 PM, mark2011 androidmark2...@gmail.com wrote:
  Dear All :

    I had written the below command at my project AndroidMainfest.xml.
  android:theme=@android:style/Theme.NoTitleBar.Fullscreen.

  I installed the apk into 2 different android phone(one is android
  2.2.1, the other is 2.2.2).

  One is fullscreen display, but the other isn't. It displays electronic
  cell status still.

  Is there anyone know the why?

  Thanks in advanced.

  BR,
  Mark

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[android-developers] Eclipse find error

2012-01-28 Thread mark2011
Dear All :

   One day I can't run the eclipse to edit the android api. The
message is that JRE error occurred while run. So I new install jdk,
then I can run the eclipse. But there is an error flag is on my old
project, I can't find any error in my source  res. Can anyone help me
to fix this problem? Thanks in advanced.

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[android-developers] can I change the images after some minutes period

2012-01-18 Thread mark2011
Dear All :

   I want to display some images during a period of time. I use sleep
to delay the time  want to change another image. But It always
displays the last image. Is there anyone can help me?

Thanks.

BR,
Mark

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[android-developers] Preference issue

2011-11-28 Thread mark2011
Dear All :

   I had written back into the PREFERENCE after I set some parameters.
But when I open another api to retrieve back these preferences, the
data wasn't what I thought. My command is like :
settings.edit()
.putString(PREF_MINUTES, Integer.toString(out_time_minutes))
.commit();

What does it go wrong?

Thanks in advanced.

BR,
Mark

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[android-developers] Is there Android RS232 sample code ?

2011-11-17 Thread mark2011
Dear All :

   I am a new learner of  Android. My cell phone is android 2.1. I
want to communicate with other computer(windows xp) through rs232. Is
there any sample code? Thanks.

BR,
Mark

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[android-developers] back home key in api

2011-08-15 Thread mark2011
Dear All :

I want to set the back  home function in my API.

I use finish or system.exit(0) to return my last page. How do I go
back to my home page?

Thanks.

BR,
Mark

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[android-developers] display the same Image in the different Position duing the a period of time

2011-08-10 Thread mark2011
Hi, all :

I want to display the same Image in the different Position duing
the a period of time. How can I do ? Is there any example code?

Thanks.

BR,
Mark

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[android-developers] OnClick error

2011-08-01 Thread mark2011
Dear All :

  I install eclipse  Android SDK under the Windows/XP successful. If
I test a program using onClick that I want to click a button, it
displays an error. But the code is ok on an another pc. Can anyone
help me?

my code is that :

btnNumberOne.setOnClickListener(new ImageButton.OnClickListener()
{
@Override
public void onClick(View v) { =error line

Thanks.

BR,
mark

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[android-developers] SharedPreferences update issue

2011-07-17 Thread mark2011
Dear All :

   I had use getSharedPreferences, edit, putString  commit to save
the setting in activity A successfully. I start another Activity B
from Activity A. I can display the setting on the Activity A. I also
use the same command to update the setting on the Activity B
( getSharedPreferences, edit, putString  commit command)  the
program doesn't occur error. But I check the setting on the
SharedPreferences, the value is still the same as I set on Activity A.
What's wrong ? Can anyone help me? Thanks.

BR,
Mark

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[android-developers] Screen size supported

2011-07-12 Thread mark2011
Dear All :

Is there anyone know the maximum screen size supported by Android?
Is it possible to display on 1366 X 738 density?

Thanks.

BR,Mark

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[android-developers] Can I call a web service to get some data return the screen to the android?

2011-07-10 Thread mark2011
Dear All :

Can I call a web service to get some data  return the screen to
the android? Actually, I want to get some data on the remote web
server from the android phone  return back the android platform. How
can I do it?

Thanks.

BR,
Mark

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[android-developers] android loop problem

2011-07-06 Thread mark2011
Dear All :

   I met a strange event. I write a simple code to display a screen
once the user click a button to start. In the screen, the user can
click some button to set up the factors that I use onclicklistener to
accept the onclick. But the start button is that I use onclick to
start. Once I use a loop using the for/while command to loop the
display the screen. The start button doesn't work. Can anyone help me?

Thanks.

BR,
mark

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[android-developers] socket connect through a bluetooth issue

2011-06-27 Thread mark2011
Dear All :

   I'm a new to Android.

   I try to code a client API to allow the user to input some data in
an android 2.1 to send out through the bluetooth. The hyperterminal
can displays the received data in a Windows pc in the first time. But
When I input data the second time from the Android, the pc can't
receive the data any more.

My code is the below :
public void run() {
adapter.cancelDiscovery();

try {
Socket.connect();
BufferedOutputStream bout = new
BufferedOutputStream(Socket.getOutputStream());
bout.write(str1.getBytes());

bout.flush();
bout.close();
} catch (IOException connectException) {
Log.i(BT Client, not connect);
try {
Socket.close();
} catch (IOException closeException) { }
return;
}
}

Can anyone help me?

Thanks in advanced.

BR,
Mark

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[android-developers] Android how to talk with Windows 7 via the bluetooth?

2011-06-22 Thread mark2011
Dear All :

   I had chated with 2 android devices using the bluetooth devices. I
want to use a android device to chat with Windows 7 through the
bluetooth. How do I do? Is there any standard API in the windows 7 to
accept the data whicj is sent from my android device(I had acoed a
BTCLient.java to sent the data by the user)? Can I use hyperterminal
to accept the data?

Thanks in advanced.

BR

mark

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[android-developers] BT transfer data issue

2011-06-21 Thread mark2011
Dear All :

I write a BTClient.java on a ViewPad  a BTServer.java on a ACER
A500. I hope to tranfer data through the Bluetooth devices. When I
input some data on Viewpad, the same data will be displayed on A500.

My problem is that A500 will display the old buffer + replaced data.
For example:

 BTClient input  BTServer
display
1.  abcdefghijklmnop  abcdefghijklmnop
2.  12345
12345fghijklmnop

How do I to clear the output buffer before it display the new-coming
data?

Thanks.

Best Regards,
Mark

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[android-developers] Emulator in Windows 7

2011-06-15 Thread mark2011
Dear All :

I had installed eclipse  android sdk in windows xp. it works when
I run the emulator to display my application. But when I installed in
the windows 7. When I run my application, it just display the emulator
 it stop in the first page. There is no error message. It doesn't
continue to display my application screen. Can you help me ?

Thanks.

Mark

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[android-developers] return to Android from a web page

2011-06-15 Thread mark2011
Dear All :

  I use a intent to start the activity to link to a web page.  How can
I return to control to the android application after the user had see
the message on the page?

Intent i = new Intent(Intent.ACTION_VIEW);
i.setData(Uri.parse(url));
startActivity(i);


Thanks.

Mark

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[android-developers] android how to use the MS/SQL?

2011-06-15 Thread mark2011
Dear All :

  I want to retrieve a MS SQL DB from android applicatio. How can I
do ?

Is there any example can be for regerence?

Thanks.

Best Regards,
Mark

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[android-developers] UUID in Bluetootht sample

2011-06-14 Thread mark2011
Dear All :

   I'm trying to communicate through the bluetooth now. I see the
sample code in the book that said the BTServer  BTClient had set the
UUID. Is the UUID the same in these 2 Java program?

I had paired  discoverered it, but fail to build RfComm connection.
How can I do ?

Thanks.

Mark

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[android-developers] BluetoothChat.java error

2011-06-08 Thread mark2011
Dear All :

   I follow the sample code and use Eclipse to code in order to test
the bluetooth device, but it displays the error message at the line
inport android.app.ActionBar;, Should I do anything befor?

Thanks.

Best Regards,
Mark

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[android-developers] Why can't I get the Bluetooth adapter in a windows 7 environment?

2011-06-07 Thread mark2011
Dear All :

When I click the Bluetooth icon to list all the devices, I can see
the bluetooth devices in my near environment. I'm sure the bluetooth
work in my notebook run a Windows 7. But I run a Android API to get
BlueTooth Adapter, it failed.

Can anyone know the why? How do I fix it?

Thanks.

Best Regards,
Mark

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[android-developers] Android talk with NB through the BLUETOOTH device

2011-06-02 Thread mark2011
Dear All :

I had followed the examples in the book about the bluetooth in the
android and coded the BTClient .java. I'm sure that my android phone
has enabled the bluetoothadapter  paired. I can see the the NB in my
android bluetooth device list with the status paired  not
connected.

I had executed the command BTAdapter.startDiscovery(); but it can't be
succeeded. I can't find the reason to fail. Can anyone help me?

Thanks advanced.

Best Regards,
Mark

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