Android :: How To Get Any Keypress Event With Example?

Nov 13, 2010

I want to get the key value when user pressed any key and also perform action based on the key pressed in android. e.g. if user pressed 'A' key then I want to get that value, compare, do something.
Uses: Eclipse as IDE



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Android :: Need To Invoke Keypress Event

Jul 29, 2010

I need to invoke a keypress event in android.

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Android :: Keypress Event - ASCII Codes For A To Z

Nov 18, 2010

When I press the only character button a to z to perform some action in android what is key ASCII code for a to z can anybody tell how to do in android?

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Android :: Alarm Not Working At All On HTC Until Keypress

Dec 2, 2009

My girlfriend recently got the HTC Tattoo (running Android 1.6) and she's having major issues with the alarm on the Clock application. Whenever she sets the alarm to wake up in the morning, it doesnt go off at the desired time. There's no sound or not waking of the screen. The alarm does finally sound when the screen is woken, and this can be 20 minutes or so after the alarm *should* have sounded! It works ok if the alarm is set to go off in 5 minutes time or so, but it seems like Android forgets to ring the alarm until the screen is woken and then does it.Can anyone provide any insight into this issue? I have seen that there are other threads where the alarm doesn't work but they dont cover this behavior.

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Android :: How To Catch Phone Keypress With SDK?

Feb 14, 2010

How can I catch a phone keypress with the android SDK? I've been looking around for hours without finding anything.For example:
In some cases, I want to catch the message when a user presses the "hang up" button on the phone, and then discard the message before it reaches the OS.

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Android : LongClick Event Also Triggers Click Event

Apr 12, 2009

I use onLongClick and onClick events of a button to get user inputs. Whenever; the user long click and triggers onLongClick event, the onClick event is also triggered. I couldn't find my problem. The code of two methods are shown in below: Code...

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Android :: Instrumentation Object To Generate Keypress

Apr 27, 2010

I developed an application to generate keypress. I find out that we can use Instrumentation object to generate. However, when I run the following code, I got these errors.

04-27 16:12:16.720: ERROR/AndroidRuntime(4406):
Caused by: java.lang.RuntimeException: This method can not be called from the main application thread 04-27 16:12:16.720:
ERROR/AndroidRuntime(4406): at android.app.Instrumentation.validateNotAppThread(Instrumentation.java: 1427)
04-27 16:12:16.720: ERROR/AndroidRuntime(4406): at android.app.Instrumentation.sendKeySync(Instrumentation.java:857)
04-27 16:12:16.720: ERROR/AndroidRuntime(4406): at android.app.Instrumentation.sendKeyDownUpSync(Instrumentation.java: 871)

@Override protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub super.onCreate(savedInstanceState);
setContentView(R.layout.main); }
@Override protected void onStart() { // TODO Auto-generated method stub super.onStart();
//press key Instrumentation inst = new Instrumentation();
inst.sendKeyDownUpSync(KeyEvent.KEYCODE_1); }
@Override protected void onStop() { // TODO Auto-generated method stub super.onStop(); }

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Android :: Hide Soft Keyboard On Done Keypress?

Aug 5, 2010

I am struggling with the done button on the soft keyboard. I can't get the soft keyboard Done keypress to hide the keyboard. From another button, it works perfectly with imm.hideSoftInputFromWindow(editText.getApplicationWindowToken(), 0);
but the onKeyListener does not function the way I want. When I hit the editText, the soft keyboard shows up and its content is cleared from characters. The main.xml:

<EditText android:id="@+id/answer"
android:layout_gravity="center_horizontal" android:textSize="36px"
android:inputType="phone" android:minWidth="60dp" android:maxWidth="60dp" />

The Java file:
private EditText editText;...
editText = (EditText)findViewById(R.id.answer);
editText.setOnClickListener(onKeyboard);
editText.setOnKeyListener(onSoftKeyboardDonePress); ...
// method not working: private View.OnKeyListener onSoftKeyboardDonePress=new View.OnKeyListener() { public boolean onKey(View v, int keyCode, KeyEvent event) {
if (event.getKeyCode() == KeyEvent.FLAG_EDITOR_ACTION) {
// code to hide the soft keyboard
imm = (InputMethodManager) getSystemService( Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(editText.getApplicationWindowToken(), 0); }
return false; } };
private View.OnClickListener onKeyboard=new View.OnClickListener() {
public void onClick(View v) { editText.setText(""); } };

The working method using a button (in the same java file):
private View.OnClickListener onDone=new View.OnClickListener() {
public void onClick(View v) { ....
// code to hide the soft keyboard
imm = (InputMethodManager) getSystemService( Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(editText.getApplicationWindowToken(), 0); } };
When I press key no "9" the keyboard hides.

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Android :: Unable To Turn Off Vibrate On Keypress Using Swype

Jun 15, 2010

New Swype wont let you turn off vibrate on keypress? Just downloaded the newest version, (1.56.30.7625.t100) and the setting is listed, but you cannot press it, it is "Dimmed". I am an official Beta tester, and got my version from them, through E-mail. I didn't steal the .apk

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Android :: Emulator Stuck On Equals Phantom Keypress

Jul 27, 2010

For some reason, and only on my Dell Vostro 1000 laptop, the Android emulator keeps thinking I have the = key pressed and continually emits a string of "=====" equal signs. This happens no matter what I'm doing in the emulator. It responds to my manual keypresses as well, interspersing them. It happens no matter which version of the Android system I run (2.1, 2.2, etc.) Strangely, it happens even running the Android emulator via a remote desktop session where the remote desktop client is the laptop and the server is another PC running the emulator. If I run the emulator on the other PC locally (not remote desktop,) the emulator functions fine!

This problem didn't occur when I first installed the SDK and as far as I know no other software has been installed since then. I tried clicking the "clear user data" from the emulator launcher and still no effect. I have also tried deleting the SDK directory and reinstalling it, but the effect is still there.
Update: I found another application that exhibits this behavior. ScummVM when opening a dialog to save the game also receives these phantom keypresses. It persists in Windows 7.

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Android :: Overriding Dialog Preference Default Back Keypress

Jul 7, 2010

By default, when in DialogPreference you press back button, it mimics that you've pressed NegativeButton. I'd like to override that but can't find an easy way except to recreate DialogPreference from scratch (which at the moment seems like an overkill), because I'd like that PositiveButton set something, NegativeButton to unset something, and back key to leave things as they were (i.e. to not unset something). I've even tried to override showDialog() but: a) its not simple, b) I don't think I should mess too much with internals of OS supplied code like a bunch of private "m" variables.

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Android :: Hiding Keyboard In Override Done Keypress Of Edit Text

Apr 18, 2010

I have used a bit of Android code to override the "Done" button in my EditText field:
myEditField.setOnEditorActionListener(new TextView.OnEditorActionListener() {
@Override public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_DONE) { mySubroutine();
return true; } return false; } } );

Activating the field calls up the keyboard, and pressing "Done" evaluates mySubroutine() successfully. However, the keyboard no longer goes away when I press "Done". How do I restore this default behavior to the routine?

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General :: Does Using Vibrate On Keypress Use Battery

Feb 26, 2013

I am wondering if using vibrate on keypress uses battery?

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General :: Will Vibrate On Keypress Use Battery?

Nov 28, 2012

will enabling vibrate on key press (when you hit a letter or anything it vibrates) drain or use any battery?

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HTC Hero : Why Cant I Edit One Event In A Recurring Event

Dec 15, 2009

I hope there is a way to resolve this or bye bye hero.

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Sony Ericsson Xperia X10 :: Keypress Sounds Lost After 2.1 Upgrade

Nov 30, 2010

Since I installed the latest upgrade 2.1 (successfully), I lost the keypress sound which was very useful. I tried the Settings/Sound and Display/Audible touch tones menu, and the Language & Keyboard/ Sound on keypress menu, in both cases I selected "on" but still I don't hear the keyboard sound which I find very useful since I am partially sighted.

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Android :: Android - Light Weight Solution To Detect Keypress

Aug 23, 2010

In Android I am writing an application in which, I would like to capture an event if in case user doesn't do any activity (tapping/key press). For better context - It is like session timeout.

Basic solution - I can override the key press/tapping event and put one timer which continuously run either as thread or service. In my opinion this is bit heavier solution in terms of resource.

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Android :: SoftKeyBoard Event

Aug 4, 2009

Do u know How to handle KEY_DOWN and KEY_UP event for SoftKeyBoard . i got one example in developer blog but its not enough to understand.

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Android :: Once Tap Calendar Event Add App

Sep 9, 2009

I kept getting annoyed at having to load the Calendar to have to add an event, so I built a one-tap-add-event app which you can put on the home screen.

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Android :: Need Help WithTrackBall Event

Jul 27, 2009

I have 2 questions about android TrackBall Event. I appreciate if you can help me with them:Can I detect the speed of TrackBall event? like in Fling, I can detect a 'big' fling vs a 'small' fling. Can I fling via the track ball?Why TrackBall Event always follow by Key left/right events? To me, they seem duplicate.

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Android :: Get Home Key Event?

Jun 24, 2010

Is there any way to get the event of home key. I want to kill my application whenever the home key is pressed.

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Android :: Can I Get Any Event For Uninstalling App

Oct 12, 2010

I am aware of android BROADCAST_PACKAGE_REMOVED for notify when any application is uninstalling from device.

Now it is possible that when i uninstall one application and that application do some work before and uninstall.
e.g: my application work with android contact if application uninstall at that time i want to change in contact data.

can i get any event for uninstalling app?

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Android : Event Wake Up

Jun 8, 2009

I would like to know the way to know when the user are using his phone.There is intent Boot_completed, but it's just at beginning. I have to know when user take it's phone, press a key to use it.Any idea?

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Android : Need To Have Way To Consume A Key Event

Jun 18, 2009

I have a custom camera application. I'm using a BroadcastReceiver to launch it when the Camera button is pressed. Unfortunately, once my camera app is launched the camera button KeyDown event used to launch my camera activity is also passed to it, which cause it to immediately attempt to capture a picture. Is there a way to consume the KeyEvent so that this doesn't happen?

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Android : What Does Mean About Battery_level In Event Log

Jul 28, 2010

I got a event log information I find the follow information in the file for the format. Optionally, after the tag names can be put a description for the value(s) of the tag. Description are in the format Form my log information, we know the temperature is a int type and the value is number of objects. I totally miss understand the means about the value, 420. I can assertion 420 isn't Fahrenheit/Celsius temperature. Code...

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Android :: Get Listview Click Event

Apr 4, 2010

I use ListView.(Adapter is a Custom Adapter) *extends BaseAdapter. I wanto to get selected item, when I click the item in the list. now, I use OnItemClickListener, OnItemSelectedListener. but, This program doesn't do the operation for which I hope. not click. I want to get a selected Item in the list, when like mouse_down. (Moment when color of item in list changed?)

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Android :: Regularly Scheduled Event

Jan 11, 2010

I am trying to have some code execute every 24 hours.But my question has to do with how to trigger the service even if the phone has not been rebooted.In other words, suppose someone installs my application.I would like to make it so that in 24 hours, it executes some code, whether or not the phone has been rebooted.

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Android :: Task - Event Manager

Jun 17, 2010

I've been searching around recently for a widget/app that'd allow me to input events and either pop up on my front screen reminding me (The day of/Before.. or whatever) or that I could have at the top of my following screen as the widget and have had no luck.

I'd like this to remind me of certain events that can go about slipping my mind (Student loans due on this day.. Flight leaving at this/that time) Or the general factor that there are a multitude of things to do and it's nice to stay organized.

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Android :: Ongoing Event Notification

Apr 12, 2010

So im just getting started with android development and i found my first head scratcher. I have an app that when opened makes a on going event notification. Then if i hit the home button the app falls from view and when i attempt to bring it back via clicking on the ongoing event notification its like opening a whole new app, then when i hit the back button the ongoing even goes away and it returns me to the original app window. How do i get the notification to take me to the original rather then opening a new instance.

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Android :: Virtual Keyboard Event

Sep 27, 2010

How can I get an event when the user opens or closes the virtual keyboard..?

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