Coding is easy for Keyboard event handling by Kotlin if write the following code
override fun onKeyUp(keyCode: Int, event: KeyEvent): Boolean {
return when (keyCode) {
KeyEvent.KEYCODE_ENTER -> {
....
true
}
else -> super.onKeyUp(keyCode, event)
}
}
}
But this event is working for real keyboard device not virtual keyboard on view
Let me know fix way someone....
Omg, I mistook use TextInputLayout not EditText...
Oops, sorry
I fixed the issue
Related
I'm trying to decide whether to use a switch or toggle for setting an alarm I'm my android application. On fairly new to android and don't know or quite understand all the ins and outs of the frame work. What would be the disadvantages of choosing to trigger the alarm with a switch over a toggle, or vice versa? Is there a slide toggle available in android framework?
The first thing you need to keep in mind is since which API do you want to compile your app?
Toggle Buttons are available since API 1 and Switches are only available since API 14.
Besides that is just a simple decision, which one is the best option for user interface/design
In my opinion Switches give a clear indication of what is currently selected.
Is there a slide toggle available in android framework?
Yes a switch can work as a slide toggle.
The code is very simple, you can basically use the same thought for these two buttons.
Here is an example of a Switch Button
btnSwitch = (Switch) findViewById(R.id.switch_1);
btnSwitch.setOnCheckedChangeListener(new OnCheckedChangeListener() {
#Override
public void onCheckedChanged(CompoundButton buttonView,boolean isChecked) {
if (isChecked) {
Log.i("Switch", "ON");
} else {
Log.i("Switch", "OFF");
}
}
});
Here's an example of a toggle Button
btnToggle = (ToggleButton) findViewById(R.id.toggle_1);
btnToggle.setOnCheckedChangeListener(new OnCheckedChangeListener() {
#Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (isChecked) {
Log.i("Toggle", "ON");
} else {
Log.i("Toggle", "OFF");
}
}
});
I would like to change the Icon of a menu item after its clicked. (I am talking about the action menu which deploys on the Action key press)
This is what I have so far:
#Override
public void onMenuItemSelected(final int menuItem) {
if (menuItem == MENU_ITEM_START) {
if(!Started){
Started=true;
**Intent intent = new Intent(Control.Intents.CONTROL_MENU_SHOW);
intent.putExtra(Control.Intents.EXTRA_MENU_ITEM_ID,MENU_ITEM_START);
intent.putExtra(Control.Intents.EXTRA_MENU_ITEM_ICON, ExtensionUtils.getUriString(mContext, R.drawable.menu_item_stop));
sendToHostApp(intent);**
mHandler.postDelayed(RunnableObject, 1000);
}
else{
Started=false;
mHandler.removeCallbacks(RunnableObject);
}
}
}
So, I added the bolded code (between ** and **), to start an intent to "change" the icon in the same way I create the menu the first time, however, that wont work.
Maybe wrong intent: CONTROL_MENU_SHOW?? That is the one I found in the Control Class when initializing the menu.
Any help is appreciated, thanks!!
Nope, there's no way to do it directly. The way you are doing it is the only way.
I am currently using this code to hide the keyboard in a monotouch iOS application when something outside the input elements are tapped.
var tap = new UITapGestureRecognizer ();
tap.AddTarget (() =>{
dvc.View.EndEditing (true);
});
dvc.View.AddGestureRecognizer (tap);
However, I would like to hide the keyboard when the user taps the top Navbar as well. I have seen this in other apps. How would I go about doing that?
Easiest way is to override TouchesEnded in your UIViewController.
This will give you any touch event inside the entire controller.
Then do something like this if you need ignore touches in a certain view:
public override void TouchesEnded(NSSet touches, UIEvent evt)
{
base.TouchesEnded(touches, evt);
if (evt.TouchesForView(viewYouWantToIgnore) == null) {
//Dismiss your keyboard here
}
}
I have a small problem: my text field keeps selecting itself, for example if I alt-tab from and to application.
For my application, text selection is not needed and will not be used - so I want to disallow this annoying behavior. Actually, just setting selection color to transparent or white will work fine.
Is there some way to do this?
The following css fixed the problem for me:
-fx-highlight-fill: null;
-fx-highlight-text-fill: null;
You can disable text selection for key events:
myTextField.addEventFilter(KeyEvent.KEY_TYPED, new EventHandler<KeyEvent>() {
#Override
public void handle(KeyEvent inputevent) {
if (!myTextField.getSelectedText().isEmpty()) {
myTextField.deselect();
}
}
});
For mouse events you could also use:
myTextField.addEventFilter(MouseEvent.MOUSE_DRAGGED, new EventHandler<MouseEvent>() {
#Override
public void handle(MouseEvent event) {
if (!myTextField.getSelectedText().isEmpty()) {
myTextField.deselect();
}
}
});
Super late for an answer, but I have a better solution.
Instead of disabling the style for selected text or managing mouse events, it's better to directly manage the selectedTextProperty().
The advantages of this solution are:
The selection properties will always be empty selection
Double clicks are also covered, not only mouse drag events
The code...
textField.selectedTextProperty().addListener((observable, oldValue, newValue) -> {
if (!newValue.isEmpty()) textField.deselect();
});
I am working my way through the NeHe OpenGL examples, using the LWJGL for the OpenGL binding inside an Eclipse RCP application.
My OpenGL graphics are displayed inside the RCP canvas, not in a separate window.
Lesson 07 shows how to use the keyboard. If I try to do a:
Keyboard.create();
I get an error that the (OpenGL) "Display" has not been created.
If I create an OpenGL "Display" with org.lwjgl.opengl.Display.create(), then I get a new Window.
So how do I access the Keyboard without creating a new Window?
You cannot use the Keyboard without a Display, because of how LWJGL works behind the scenes. The best way is to just use AWT events. You can write your own input class, that could go something like this.
public class Input implements KeyListener {
private boolean aDown; //is the A key down?
//Ect, for all needed keys
public void keyPressed(KeyEvent ke) {
switch (ke.getKeyCode()) {
case KeyEvent.VK_A: aDown = true; break;
//and so on for all other needed keys.
}
}
public void keyReleased(KeyEvent ke) {
switch (ke.getKeyCode()) {
case KeyEvent.VK_A: aDown = false; break;
//and so on for all other needed keys.
}
}
public void keyTyped(KeyEvent ke) {} //Do nothing
public void isADown() {return aDown;}
}