I am relatively new to this still, and I have been developing a small app that would benefit greatly from a user being able to press 2 buttons at one time. What is the best method for achieving this? I dont think that an OnClickListener works like that, and I have seen examples for doing this with an OnTouch event. However, I do not know how to set up button presses with an OnTouch event.
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I want to intercept the OnTouch event in a PopupWindow, but it failes everytime. Here is the code snip:
CODE:.....................
When the activity started, I can click the button to show the popup window correctly. But after that, nothing happens when I touch the popup window's view. But if I touch any where outside the popup window, the log Log.d("Demo", "layout::onTouch >>> view: " + v + ", event: " + event); will work.
It looks like when I touch the view of the popup window, the touch event has been consumed somewhere?
I'm trying to implement pinch-zoom in an app I'm making and am having issues with the onTouch event. It appears that the pointer up & down actions do not fire immediately, like you won't get a pointer up or down until an action move occurs. So what happens if both fingers hit the screen nearly simultaneously is that the 2nd finger (should be pointer(1)) gets a move action before pointer down is called, making the code think it's a DRAG not a pinch zoom.
View 2 Replies View RelatedI have a situation where I have some textview on a framelayout that I have a onTouch event wired in order to simulate dragging. I alos want to enable the ability to have a context menu display when the user long presses the textview. Now that I have implemented the context menu functionality dragging no longer works since the longpress is always served by the context menu event.Does anyone know of a workaround for this.
View 2 Replies View Relateda hardware bug on my Samsung Galaxy S Plus.I'm writing this in the general forums since it doesnt seem to be a bug specific to the phone (no reports anywhere online) and the question itself is therefore not device specific.So i have a hardware home button on the phone which sometimes registers two clicks instead of one.On a 1sec press this would mean the following events:
- button down event
1sec pause
- button up event
- button down event
- button up event
So since this doesn't occur regularly and i want to somehow log presses of the home button and i dont know any way to do that in android.It doesn't need to run in the background but could be for example be opened specifically to test the button.
I am creating an Android service which constantly runs in the background. I'd like to be able to intercept calls to the power button to:
a) prevent the screen coming on
b) handle the power button press in a different manner.This is to enable the user to have a very simple interface to my application and prevent wasting battery powering up the screen when it is not required.
I will probably need an alternative mechanism to actually bring the screen back up (such as an extended key press or similar), but this only becomes relevant if what I'm after is possible.
I got a ListView item that contains a button inside. Currently the long press of a ListView item does not get processed. I thought that by setting the Button.setLongClickable(false) would allow the long press to be passed along to the ListView item and it's not happening.
View 5 Replies View RelatedFirst of all, maybe i went about this the wrong way in the first place. Situation is, i have a listview that when an item is clicked, it creates an intent and calls startActivityForResult() to another activity, to be able to edit the entries in the row. and that other activity after editing the required values, returns back to the calling activity, when the user clicks on a save button. The activity then uses the row Id to update the item.My problem now is that, if the user presses the BACK button instead, the application crashes. i have been looking around and see solutions like using Shared Preferences or onSavedInstanceState(), but i don't know where exactly i should be putting the code?
View 1 Replies View RelatedWhen I currently have my activity on the font of the screen, how can I make Android to 'destory' my activity when user clicks 'back' button? (i.e. onDestory of my Activity gets called)?
View 4 Replies View RelatedI have to input text from user (lat and lng) and use them to geocode. Please help me how to drive user to a textbox and get input then click a button where I can perform the event. I have found out a way how to add-listeners using a button, but have no idea how to take input from textbox and use it in my event.
View 4 Replies View RelatedI am new to Android development and I am currently working through a tutorial but have already run into a brick wall. I am trying to handle a simple button click following some sample code but can't get it to work. I do not get any errors, but the click does not register on the emulator. I have set breakpoints and confirmed that the handler never gets executed.
View 2 Replies View RelatedI'm trying automate UI Functional testing of my application.
1) First phase: Record the user actions and playing back the same.
2) Second Phase: Adding Validation Capability to Recorded scripts.
In First Phase: I'm able to automate the Text/Editbox control actions without any issues, because we need to Set the Text of the control to the recorded value, so, its simple. While coming to Button Control actions, we need to simulate user actons, like Clicking on button. Can anyone suggest me, Do we have any mechanism, which can simulate button click event in Android?
I have one custom Listview with a button, now i want to click the button and open another class. below is my code, but have error, any one can help one it? Code...
View 3 Replies View RelatedI don't know if it's very clear, but I'm trying to do something when the "next" (bottom right corner of the keyboard) is pressed, and i can't find its keycode.
I have tried to look for "next" or "enter" in the keycodes but nothing really relevant... does anyone know?
This seem pretty trivial, but I can't find the key event constant for the backspace button. Which one is it? I tried KEYCODE_BACK, KEYCODE_CLEAR, etc.
View 2 Replies View Relatedhow to generate a fake press button event . The button in cause is a options menu button. Please tell me if this is possible, or sugest other references
View 2 Replies View RelatedI would like to write an application which shutdown (finish()) itself when the sleep button is pressed. Any hint?
View 3 Replies View RelatedI need to open a default camera of the android device, on a push of an application button,like a push button event . I am unable to find any good code to do it, can any body help on it,in a simple words I need to open a camera througha click button.
View 2 Replies View RelatedI need to generate/trigger a long key press event of a button in Android.Searched on net but not able to find any answers.
View 2 Replies View RelatedIn my application i have a button initially on the screen and in onclick of the button ,popup window should open. In the popup window i have an imagebutton , now on click of this button i want to start an activity. The popup window opens but i dont understand how to handle the onclick of the imagebtn inside popup window.
In main.xml i have a button and in popup_example.xml i have an imagebutton.
Java code is as follows:
CODE:..........
And i have two xml layouts.........
CODE:..................
I want to invoke my application once user creates / updates contact from his device.i.e once user hit "Done" button. is it possible ? If possible please provide sample code or link.
View 1 Replies View RelatedI need a button to run a function while it is pressed down.Then run another function when the button is released.
I am trying:
btnDown.setOnTouchListener(new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
if(btnDown.isPressed()) {
displayDown.setBackgroundColor(Color.GREEN);
return false;
}
displayDown.setBackgroundColor(Color.RED);
return false;
}
});
I need to trigger an event when the button is released.
I have a problem with one of my app. I try to make a paint application but nothing is draw on the screen (except the first circle which is draw on the launch).The log Cat seems to be correct and i get the right x/y coordinates.I think i do something wrong on the ondraw.do you see my problem?
View 3 Replies View RelatedI'm trying to start activity by sweeping across the screen, it works fine for all the other screens, just this screen that doesn't fire the onTouch at all? Would you mind helping me? I've tried debugging it and still have no idea at all. Below are the codes, sorry for not putting snippets only as I thought I might did something wrong elsewhere
I'm also looking for advice on implementing sweeping to change screen. I've read about ViewFlipper and I know it will work very well, but I've around 8 screens with different backend coding needed.
CODE:.....................
I'm trying to make widget gallery at homescreen. I'm currently stuck because didn't find any example how to detect on touch in widget. Could someone help me?
View 5 Replies View RelatedI'm trying to develop a touch control, but I'm getting some problems with the onTouch method. Basically, only the event ACTION_DOWN is working. The others seems to be in trouble.My application has a LinearLayout, containing a VideoView.I have a HTC Magic updated to 1.6.
View 3 Replies View RelatedI have a listview and implemented onclick and also onfling.problem is when i do fling(swipe left to right), onclick event of listview is also getting executed.How to overCome this problem? how to differentiate touch(tap) and fling(swipe) in listview? code...
P.S: is it possible? to comment the onclicklistener of listview and writing the same logic in any onTouchEvent? but still i doubt onfling will call ontouch. right?
Let's say I have MyActivity and inside my onCreate method I initialize MyBackgroundView, then MyPlayer1View then MyPlayer2View. I want to be able to touch the screen, figure out if I have touched Player1 or Player2 and then respond with changes to the players if I have touched them.
My problem is, where do I put the onTouchListener? Can only MyBackgroundView listen for touches, or can the players listen for touches too? If MyBackgroundView can only accept touches, do I need to call view.ontouchlistener that says, you have touched me, and I have a player at those coordinates, so I'll pass the motion event to the player and let it handle it? Or do call view.ontouchlistener in each of the players that says, you've touched me, now I will react to the motion event?
Following the samples and examples, I've successfully been able to load a model on screen and rotate it with the DPAD keys and overriding the onKeyDown method of the GLSurfaceView. Trying to use a letter though, causes a small box to appear at the bottom accepting the text that is being typed. What I'm not entirely clear on, is since I don't have a listener defined in the main Activity, why those key letter key presses are being intercepted by some other inherent listener(?). I setup an OnKeyListener for the view to call my own method and that does work... but I'm wondering if there is perhaps a better way to handle it.
View 3 Replies View RelatedI 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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