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2014/10/16 ¤W¤È 08:20:47
android Programming Glossary: onkeylistenerHow to make a nice looking ListView filter on Android [closed] http://stackoverflow.com/questions/1737009/how-to-make-a-nice-looking-listview-filter-on-android . This actually takes a bit of thought. You could add an OnKeyListener to your EditText . However this listener only receives some.. 'eye'. Until the user chooses either 'wyw' or 'eye' your OnKeyListener will not receive a key event. Some may prefer this solution..
onKeyListener not working with soft keyboard (Android) http://stackoverflow.com/questions/1967740/onkeylistener-not-working-with-soft-keyboard-android share improve this question I don't believe an OnKeyListener gets called at all with the software keyboard. It has something..
http://stackoverflow.com/questions/2261914/catch-keypress-with-android button return true return false Remember to implement OnKeyListener and to set your listener YourView.setOnKeyListener this The.. OnKeyListener and to set your listener YourView.setOnKeyListener this The second possibility would be @Override public boolean..
KeyCode_Enter to next edittext http://stackoverflow.com/questions/3019965/keycode-enter-to-next-edittext true I also caputer key code in setOnKeyListener tCNPCode.setOnKeyListener new OnKeyListener public boolean onKey.. I also caputer key code in setOnKeyListener tCNPCode.setOnKeyListener new OnKeyListener public boolean onKey View v int keyCode KeyEvent.. key code in setOnKeyListener tCNPCode.setOnKeyListener new OnKeyListener public boolean onKey View v int keyCode KeyEvent event TODO..
http://stackoverflow.com/questions/3553163/android-long-touch-event android.view.View.OnClickListener import android.view.View.OnKeyListener import android.view.View.OnTouchListener import android.widget.Button.. public class MainActivity extends Activity implements OnKeyListener OnTouchListener OnClickListener private class UpdateCounterTask.. R.id.text mIncButton.setOnTouchListener this mIncButton.setOnKeyListener this mIncButton.setOnClickListener this mDecButton.setOnTouchListener..
http://stackoverflow.com/questions/3802887/why-is-onkey-called-twice second time for key up so you have to filter YOUR_VIEW.setOnKeyListener new OnKeyListener @Override public boolean onKey View v int.. up so you have to filter YOUR_VIEW.setOnKeyListener new OnKeyListener @Override public boolean onKey View v int keyCode KeyEvent..
Android example which uses onResume, onStart and onRestart http://stackoverflow.com/questions/4436035/android-example-which-uses-onresume-onstart-and-onrestart temp_green temp_blue b_final.setOnClickListener this OnKeyListener text_listener new OnKeyListener public boolean onKey View v.. this OnKeyListener text_listener new OnKeyListener public boolean onKey View v int keyCode KeyEvent event int.. 255 temp_red temp_green temp_blue return false RED.setOnKeyListener text_listener GREEN.setOnKeyListener text_listener BLUE.setOnKeyListener..
Use “ENTER” key on softkeyboard instead of clicking button http://stackoverflow.com/questions/4451374/use-enter-key-on-softkeyboard-instead-of-clicking-button share improve this question You do it by setting a OnKeyListener on your EditText . Here is a sample from my own code. I have.. EditText findViewById R.id.clEtAddCourse addCourseText.setOnKeyListener new OnKeyListener public boolean onKey View v int keyCode KeyEvent.. R.id.clEtAddCourse addCourseText.setOnKeyListener new OnKeyListener public boolean onKey View v int keyCode KeyEvent event if event.getAction..
android EditText delete(backspace) key event http://stackoverflow.com/questions/4886858/android-edittext-deletebackspace-key-event key edittext share improve this question You can set OnKeyListener for you editText so you can detect any key press EDIT A common.. Really that name is confusioning editText.setOnKeyListener new OnKeyListener @Override public boolean onKey View v int.. that name is confusioning editText.setOnKeyListener new OnKeyListener @Override public boolean onKey View v int keyCode KeyEvent..
How to Capture soft keyboard input in a View? http://stackoverflow.com/questions/5419766/how-to-capture-soft-keyboard-input-in-a-view true allows the keyboard to pop up on touch down setOnKeyListener new OnKeyListener public boolean onKey View v int keyCode KeyEvent.. keyboard to pop up on touch down setOnKeyListener new OnKeyListener public boolean onKey View v int keyCode KeyEvent event Log.d..
How can I manage audio volumes sanely in my Android app? http://stackoverflow.com/questions/628659/how-can-i-manage-audio-volumes-sanely-in-my-android-app catch the onKey event for a volume button press using my OnKeyListener. If there were some way to force the adjustment to apply to..
Android Fragment handle back button press http://stackoverflow.com/questions/7992216/android-fragment-handle-back-button-press visible you want to suppress the back key you can set an OnKeyListener on the parent view of your fragment fragment.getView .setOnKeyListener.. on the parent view of your fragment fragment.getView .setOnKeyListener new OnKeyListener @Override public boolean onKey View v int.. of your fragment fragment.getView .setOnKeyListener new OnKeyListener @Override public boolean onKey View v int keyCode KeyEvent event..
Android: Unregister camera button http://stackoverflow.com/questions/986602/android-unregister-camera-button to bind some actions to a camera button videoPreview.setOnKeyListener new OnKeyListener public boolean onKey View v int keyCode KeyEvent.. to a camera button videoPreview.setOnKeyListener new OnKeyListener public boolean onKey View v int keyCode KeyEvent event if event.getAction.. it know you consumed the event. Like this videoPreview.setOnKeyListener new OnKeyListener public boolean onKey View v int keyCode KeyEvent..
onKeyListener not working with soft keyboard (Android) http://stackoverflow.com/questions/1967740/onkeylistener-not-working-with-soft-keyboard-android not working with soft keyboard Android I am using onKeyListener.. not working with soft keyboard Android I am using onKeyListener to get the onKey events. It works fine with the normal keyboard... being things other than keyboards. It seems to make onKeyListener pretty much useless though since it only works on phones with..
onKeyListener not working on virtual keyboard http://stackoverflow.com/questions/4282214/onkeylistener-not-working-on-virtual-keyboard not working on virtual keyboard I don't understand why this.. is pressed. In addition to TextWatcher I had to implement onKeyListener which I attached to my EditText control. This onKeyListener.. which I attached to my EditText control. This onKeyListener ignores all keys on SoftKeyboard except DEL and RETURN. Not..
How to Capture soft keyboard input in a View? http://stackoverflow.com/questions/5419766/how-to-capture-soft-keyboard-input-in-a-view boolean onKey View v int keyCode KeyEvent event Log.d TAG onKeyListener if event.getAction KeyEvent.ACTION_DOWN Perform action on.. . . alot more drawing code... . The keyboard shows but my onKeyListener only fires when I press the 'Next' button on the keyboard. I..
Difference between onKey(), OnKeyDown() and dispatchKeyEvent() methods provided by Android? http://stackoverflow.com/questions/7846050/difference-between-onkey-onkeydown-and-dispatchkeyevent-methods-provided 's first move is to attempt to pass the event to an onKeyListener if there is one. This is when onKey is called. In this case.. there and other events will not be called. If there is no onKeyListener dispatchKeyEvent will then call the KeyEvent 's dispatch method...
How to make a nice looking ListView filter on Android [closed] http://stackoverflow.com/questions/1737009/how-to-make-a-nice-looking-listview-filter-on-android 'adapter'. Next step is to get the input from the EditText . This actually takes a bit of thought. You could add an OnKeyListener to your EditText . However this listener only receives some key events . For example if a user enters 'wyw' the predictive.. a user enters 'wyw' the predictive text will likely recommend 'eye'. Until the user chooses either 'wyw' or 'eye' your OnKeyListener will not receive a key event. Some may prefer this solution but I found it frustrating. I wanted every key event so I had..
onKeyListener not working with soft keyboard (Android) http://stackoverflow.com/questions/1967740/onkeylistener-not-working-with-soft-keyboard-android of help will be greatly appreciated. android listener onkeydown share improve this question I don't believe an OnKeyListener gets called at all with the software keyboard. It has something to do with the software keyboard being an IME device and..
http://stackoverflow.com/questions/2261914/catch-keypress-with-android KeyEvent.KEYCODE_ENTER This is a sample for handling the Enter button return true return false Remember to implement OnKeyListener and to set your listener YourView.setOnKeyListener this The second possibility would be @Override public boolean onKeyDown.. the Enter button return true return false Remember to implement OnKeyListener and to set your listener YourView.setOnKeyListener this The second possibility would be @Override public boolean onKeyDown int keyCode KeyEvent event switch keyCode case KeyEvent.KEYCODE_MENU..
KeyCode_Enter to next edittext http://stackoverflow.com/questions/3019965/keycode-enter-to-next-edittext id lblCNPCode android layout_below @ id lblCNPCode android layout_centerHorizontal true I also caputer key code in setOnKeyListener tCNPCode.setOnKeyListener new OnKeyListener public boolean onKey View v int keyCode KeyEvent event TODO Auto generated method.. @ id lblCNPCode android layout_centerHorizontal true I also caputer key code in setOnKeyListener tCNPCode.setOnKeyListener new OnKeyListener public boolean onKey View v int keyCode KeyEvent event TODO Auto generated method stub if keyCode 66 Toast.makeText.. android layout_centerHorizontal true I also caputer key code in setOnKeyListener tCNPCode.setOnKeyListener new OnKeyListener public boolean onKey View v int keyCode KeyEvent event TODO Auto generated method stub if keyCode 66 Toast.makeText S_PCode.this..
http://stackoverflow.com/questions/3553163/android-long-touch-event android.view.MotionEvent import android.view.View import android.view.View.OnClickListener import android.view.View.OnKeyListener import android.view.View.OnTouchListener import android.widget.Button import android.widget.TextView import java.util.concurrent.Executors.. import java.util.concurrent.TimeUnit public class MainActivity extends Activity implements OnKeyListener OnTouchListener OnClickListener private class UpdateCounterTask implements Runnable private boolean mInc public UpdateCounterTask.. findViewById R.id.dec_button mText TextView findViewById R.id.text mIncButton.setOnTouchListener this mIncButton.setOnKeyListener this mIncButton.setOnClickListener this mDecButton.setOnTouchListener this mDecButton.setOnKeyListener this mDecButton.setOnClickListener..
http://stackoverflow.com/questions/3802887/why-is-onkey-called-twice OnKey is fire twice the first time for key down and the second time for key up so you have to filter YOUR_VIEW.setOnKeyListener new OnKeyListener @Override public boolean onKey View v int keyCode KeyEvent event This is the filter if event.getAction.. twice the first time for key down and the second time for key up so you have to filter YOUR_VIEW.setOnKeyListener new OnKeyListener @Override public boolean onKey View v int keyCode KeyEvent event This is the filter if event.getAction KeyEvent.ACTION_DOWN..
Android example which uses onResume, onStart and onRestart http://stackoverflow.com/questions/4436035/android-example-which-uses-onresume-onstart-and-onrestart b_final.setBackgroundColor Color.argb 255 temp_red temp_green temp_blue b_final.setOnClickListener this OnKeyListener text_listener new OnKeyListener public boolean onKey View v int keyCode KeyEvent event int flag 0 try switch v.getId.. Color.argb 255 temp_red temp_green temp_blue b_final.setOnClickListener this OnKeyListener text_listener new OnKeyListener public boolean onKey View v int keyCode KeyEvent event int flag 0 try switch v.getId case R.id.RED_TEXT flag.. temp_blue temp_blue b_final.setBackgroundColor Color.argb 255 temp_red temp_green temp_blue return false RED.setOnKeyListener text_listener GREEN.setOnKeyListener text_listener BLUE.setOnKeyListener text_listener protected void onResume super.onResume..
Use “ENTER” key on softkeyboard instead of clicking button http://stackoverflow.com/questions/4451374/use-enter-key-on-softkeyboard-instead-of-clicking-button for help in advance. android keyboard android softkeyboard share improve this question You do it by setting a OnKeyListener on your EditText . Here is a sample from my own code. I have an EditText named addCourseText which will call the function.. either the enter key or the d pad is clicked. addCourseText EditText findViewById R.id.clEtAddCourse addCourseText.setOnKeyListener new OnKeyListener public boolean onKey View v int keyCode KeyEvent event if event.getAction KeyEvent.ACTION_DOWN switch.. key or the d pad is clicked. addCourseText EditText findViewById R.id.clEtAddCourse addCourseText.setOnKeyListener new OnKeyListener public boolean onKey View v int keyCode KeyEvent event if event.getAction KeyEvent.ACTION_DOWN switch keyCode case KeyEvent.KEYCODE_DPAD_CENTER..
android EditText delete(backspace) key event http://stackoverflow.com/questions/4886858/android-edittext-deletebackspace-key-event even if it has no text. Thanks android events delete key edittext share improve this question You can set OnKeyListener for you editText so you can detect any key press EDIT A common mistake we are checking KeyEvent.KEYCODE_BACK for backspace.. KeyEvent.KEYCODE_BACK for backspace but really it is KeyEvent.KEYCODE_DEL Really that name is confusioning editText.setOnKeyListener new OnKeyListener @Override public boolean onKey View v int keyCode KeyEvent event You can identify which key pressed.. for backspace but really it is KeyEvent.KEYCODE_DEL Really that name is confusioning editText.setOnKeyListener new OnKeyListener @Override public boolean onKey View v int keyCode KeyEvent event You can identify which key pressed buy checking keyCode..
How to Capture soft keyboard input in a View? http://stackoverflow.com/questions/5419766/how-to-capture-soft-keyboard-input-in-a-view BigGrid Context context super context setFocusableInTouchMode true allows the keyboard to pop up on touch down setOnKeyListener new OnKeyListener public boolean onKey View v int keyCode KeyEvent event Log.d TAG onKeyListener if event.getAction KeyEvent.ACTION_DOWN.. context super context setFocusableInTouchMode true allows the keyboard to pop up on touch down setOnKeyListener new OnKeyListener public boolean onKey View v int keyCode KeyEvent event Log.d TAG onKeyListener if event.getAction KeyEvent.ACTION_DOWN..
How can I manage audio volumes sanely in my Android app? http://stackoverflow.com/questions/628659/how-can-i-manage-audio-volumes-sanely-in-my-android-app my audio is playing and I have been as of yet unable to catch the onKey event for a volume button press using my OnKeyListener. If there were some way to force the adjustment to apply to the music stream while my activity has focus or to just catch..
Android Fragment handle back button press http://stackoverflow.com/questions/7992216/android-fragment-handle-back-button-press require more detailed control i.e. when some Fragments are visible you want to suppress the back key you can set an OnKeyListener on the parent view of your fragment fragment.getView .setOnKeyListener new OnKeyListener @Override public boolean onKey.. want to suppress the back key you can set an OnKeyListener on the parent view of your fragment fragment.getView .setOnKeyListener new OnKeyListener @Override public boolean onKey View v int keyCode KeyEvent event if keyCode KeyEvent.KEYCODE_BACK return.. the back key you can set an OnKeyListener on the parent view of your fragment fragment.getView .setOnKeyListener new OnKeyListener @Override public boolean onKey View v int keyCode KeyEvent event if keyCode KeyEvent.KEYCODE_BACK return true return..
Android: Unregister camera button http://stackoverflow.com/questions/986602/android-unregister-camera-button Unregister camera button I tried to bind some actions to a camera button videoPreview.setOnKeyListener new OnKeyListener public boolean onKey View v int keyCode KeyEvent event if event.getAction KeyEvent.ACTION_DOWN switch.. Unregister camera button I tried to bind some actions to a camera button videoPreview.setOnKeyListener new OnKeyListener public boolean onKey View v int keyCode KeyEvent event if event.getAction KeyEvent.ACTION_DOWN switch keyCode case KeyEvent.KEYCODE_CAMERA.. question In your example you need to return true to let it know you consumed the event. Like this videoPreview.setOnKeyListener new OnKeyListener public boolean onKey View v int keyCode KeyEvent event if event.getAction KeyEvent.ACTION_DOWN switch..
onKeyListener not working with soft keyboard (Android) http://stackoverflow.com/questions/1967740/onkeylistener-not-working-with-soft-keyboard-android not working with soft keyboard Android I am using onKeyListener to get the onKey events. It works fine with the normal.. not working with soft keyboard Android I am using onKeyListener to get the onKey events. It works fine with the normal keyboard. But it does not work with soft keyboard. I am only able.. the software keyboard being an IME device and IME devices possibly being things other than keyboards. It seems to make onKeyListener pretty much useless though since it only works on phones with hardware keyboards. I worked around this issue recently by..
onKeyListener not working on virtual keyboard http://stackoverflow.com/questions/4282214/onkeylistener-not-working-on-virtual-keyboard not working on virtual keyboard I don't understand why this piece of code is not working. Only backspace and return key.. no change in EditText there is no way to detect that DEL key is pressed. In addition to TextWatcher I had to implement onKeyListener which I attached to my EditText control. This onKeyListener ignores all keys on SoftKeyboard except DEL and RETURN. Not.. is pressed. In addition to TextWatcher I had to implement onKeyListener which I attached to my EditText control. This onKeyListener ignores all keys on SoftKeyboard except DEL and RETURN. Not sure why A bug maybe Here is my code TextView txtInput TextView..
How to Capture soft keyboard input in a View? http://stackoverflow.com/questions/5419766/how-to-capture-soft-keyboard-input-in-a-view on touch down setOnKeyListener new OnKeyListener public boolean onKey View v int keyCode KeyEvent event Log.d TAG onKeyListener if event.getAction KeyEvent.ACTION_DOWN Perform action on key press Log.d TAG ACTION_DOWN return true return false.. canvas super.onDraw canvas canvas.drawColor R.color.grid_bg . . alot more drawing code... . The keyboard shows but my onKeyListener only fires when I press the 'Next' button on the keyboard. I need which character is tapped so that I can display it in..
Difference between onKey(), OnKeyDown() and dispatchKeyEvent() methods provided by Android? http://stackoverflow.com/questions/7846050/difference-between-onkey-onkeydown-and-dispatchkeyevent-methods-provided being called unless the base version is called. dispatchKeyEvent 's first move is to attempt to pass the event to an onKeyListener if there is one. This is when onKey is called. In this case dispatchKeyEvent will return there and other events will not.. onKey is called. In this case dispatchKeyEvent will return there and other events will not be called. If there is no onKeyListener dispatchKeyEvent will then call the KeyEvent 's dispatch method. Which will then in turn call all the methods in the KeyEvent.Callback..
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