That tells you about events being delivered to the specific view(s) you have the listener attached to. You also need to look in the event to see if it is an up or down. This only tells you about events when one of the views has focus.
On Wed, Nov 18, 2009 at 8:49 AM, Mark Wyszomierski <[email protected]> wrote: > Hi, > > If we need to check if a particular key was pressed, is this the > correct way of doing it?: > > public boolean onKey(View v, int keyCode, KeyEvent event) { > if (keyCode == KeyEvent.KEYCODE_O) { > alert("you pressed the 'o' key!"); > } > else if (keyCode == KeyEvent.KEYCODE_R) { > alert("you pressed the 'r' key!"); > } > } > > Thanks > > > On Nov 13, 1:03 pm, Dianne Hackborn <[email protected]> wrote: > > The mapping tables are device-specific. > > > > > > > > > > > > On Fri, Nov 13, 2009 at 7:36 AM, Android_n00b <[email protected]> > wrote: > > > Hi Yi, > > > > > I am looking for the KeycodeLabels.h files in /android/frameworks/base/ > > > libs/ui because that is where it is supposed to be, but I cannot find > > > it. I see the KeyLayoutMap.h file but do not see the KeycodeLabels > > > file. I am looking at online versions of the source code file > > > structure and do not see it there either. What am I missing? > > > > > On Nov 11, 2:46 pm, Yi Sun <[email protected]> wrote: > > > > The EventHub.cpp calls the KeyLayoutMap.cpp to cover the real scan > code > > > to > > > > the Android internal keycode mapping. The internal key code mapping > can > > > be > > > > found in KeycodeLabels.h and KeyEvent.java. > > > > > > On Wed, Nov 11, 2009 at 11:34 AM, Android_n00b <[email protected]> > > > wrote: > > > > > I would really appreciate a reply from someone at Google if nobody > can > > > > > answer this. I really need to know this to move ahead with my > > > > > project. > > > > > Thanks. > > > > > > > On Nov 11, 2:12 pm, Android_n00b <[email protected]> wrote: > > > > > > Hi > > > > > > I am writing a program which captures the keys pressed by user in > > > > > > android and displays it in Ubuntu. According to what I read, > > > Android's > > > > > > input event device is structured around an interrupt or polling > > > > > > routine that captures the device-specific scancode and converts > it to > > > > > > a standard form acceptable to Linux (as defined in input.h) > before > > > > > > passing it to the kernel with input_event(). There are the steps > > > which > > > > > > describe the translation from keyboard input to application > action: > > > > > > 1. Window manager reads key event from Linux keyboard driver. > > > > > > 2. Window manager maps scancode to keycode. > > > > > > 3. Window manager sends both the scancode and the keycode to the > > > > > > application. > > > > > > > > Now in my application I have an EditText which returns the > keycode of > > > > > > any key which is pressed. So basically this is what I have: > > > > > > public boolean onKey(View v, int keyCode, > > > > > KeyEvent event) { > > > > > > // TODO Auto-generated method > stub > > > > > > String a ="";a+=keyCode; > > > > > > txt.setText(a); > > > > > > > > return false; > > > > > > } > > > > > > > > Now I get this keycode value but it does not correspond to the > > > > > > scancode value. For example, the keycode value for 'A' is 29 but > the > > > > > > scancode is 30. There is no correlation I can see between the > input.h > > > > > > scancodes and these keycodes either. My question is, I want to > know > > > > > > how step 2 (the mapping) above takes place. My applications aim > is to > > > > > > echo whatever I type on my android keyboard on my Ubuntu desktop > (I > > > > > > can connect between the 2 without a problem, so you don't have to > > > > > > worry about that). Any help would be appreciated, as I have > looked > > > > > > online for quite a bit. > > > > > > > -- > > > > > You received this message because you are subscribed to the Google > > > > > Groups "Android Developers" group. > > > > > To post to this group, send email to > > > [email protected] > > > > > To unsubscribe from this group, send email to > > > > > [email protected]<android-developers%[email protected]><android-developers%2Bunsubs > [email protected]> > > > <android-developers%[email protected]<android-developers%[email protected]><android-developers%252Bu > [email protected]> > > > > > > > For more options, visit this group at > > > > >http://groups.google.com/group/android-developers?hl=en > > > > > > -- > > > > Android-x86http://www.android-x86.org > > > > > -- > > > You received this message because you are subscribed to the Google > > > Groups "Android Developers" group. > > > To post to this group, send email to > [email protected] > > > To unsubscribe from this group, send email to > > > [email protected]<android-developers%[email protected]><android-developers%2Bunsubs > [email protected]> > > > For more options, visit this group at > > >http://groups.google.com/group/android-developers?hl=en > > > > -- > > Dianne Hackborn > > Android framework engineer > > [email protected] > > > > Note: please don't send private questions to me, as I don't have time to > > provide private support, and so won't reply to such e-mails. All such > > questions should be posted on public forums, where I and others can see > and > > answer them. > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected]<android-developers%[email protected]> > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Dianne Hackborn Android framework engineer [email protected] Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails. All such questions should be posted on public forums, where I and others can see and answer them. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
