Is it possible to create a method that receive an event and a view and determines whether the event happened in within the view coordinates? Something along the lines of: private boolean isEventO...

I am working through debugging some touch handling stuff on Android, and am trying to figure out why the MotionEvent sent to my View's onTouchListener contains a cancel action. I have not been able...

I am able to simulate tap events on typical android views (textbox, button, etc.) using MotionEvent.obtain, like this: int meta_state = 0; MotionEvent motionEvent = MotionEvent.obtain( SystemCl...

Is it possible to resize by pulling the matrix on the 4 side of the view? I can resize from a single point to a ratio like this. The example above works as follows: protected boolean onTouchDow...

I m referring to some websites like http://developer.android.com/reference/android/view/MotionEvent.html http://www.vogella.com/tutorials/AndroidTouch/article.html to learn MotionEvent for design...

I have 4 buttons in my android app activity. This is what it looks like: As you can see, the textViews at the bottom of the screen display the x and y coordinates. The coordinates are in refere...

I want to track a finger touch on the screen. So what I did was to start recording the position when MotionEvent triggers ACTION_DOWN, but how do I know when the action is finished, at ACTION_CANCE...

I have an image larger than viewport that I'm trying to pan on the x plan according to device Acceleration value. _____________________ | | | Device | | | ________|___________________|______...

I have a top level ViewGroup, which I call SliderView, in which I want to detect swiping. This is mostly working, but one weird failure persists. The essence of SliderView is to override onInterce...

I was troubleshooting a view-related issue: a click listener that is not fired when it's supposed to. After a long session of trial-and-error, I found out that a parent view was disabled, thus disc...

As i already tried views with motion drag reading Android docs. I have clearly not saying about basics of it but i want to hide orinvisible view which will be visible when other view which is bein...

I have a problem with my Android app that requires touch tracking events (tracking when/where finger goes down, move, up, etc). I have to use event.getX() and event.getY() functions to get the curr...

I have a Canvas that is scaled so everything fits better: @Override public void draw(Canvas c){ super.draw(c); final float scaleFactorX = getWidth()/(WIDTH*1.f); final float scaleFactorY = getH...

My problem is that all touch events are being detected but not the Action_Down event. the log results in events 1, 2 and not 0 (for down). here is my code final ViewPager homeViewPager = (ViewPag...

I have a ListView in a ScrollView to show comments and I would like to do the following: When the user swipes down, first the ScrollView should fully scroll down as the list is at the bottom. Once...

How can I find the view causing a MotionEvent ACTION_CANCEL? I have a view "A" which is receiving ACTION_CANCEL and I don't want that to happen. Somewhere, a view "B" is "consuming" the MotionEvent...

I have a parent recyclerview with filled with cards and an inner recyclerview inside each card. The scrolling for the inner recyclerview inside the cards has been disabled but this has also affect...

I read many tickets on the topic of Zooming in WebViews and didnt came to an answer for my case. Here´s my setup: I´m using a custom webview with generally these settings: getSettings().setBui...

I have a UX requirement that the user triggers a Dialog by long pressing a cell in a GridView. While the Dialog is displayed the user must be able to move their finger/thumb around the screen wit...

I've been trying to figure out how to make an application that detects whether the device has been moved a significant amount, something more than just shakes. I am trying to detect a distance of, ...

I have implemented a window with size 1 and want to catch ACTION_OUTSIDE event. mWindowManager = (WindowManager) getSystemService(WINDOW_SERVICE); WindowManager.LayoutParams mParams = new WindowMa...

I have a custom ViewGroup with an override of onInterceptTouchEvent(). It receives ACTION_DOWN but never receives ACTION_MOVE. It is my understanding that, unless it returns "true", it should recei...

Imagine that I have a service that receives coordinates from a bluetooth device, now I want to display a mouse cursor whenever it moves. I managed to send MotionEvents with a toolType = TOOL_TYPE_...

I've been trying to figure out the behavior of MotionEvents in ScrollViews in Android and there's something i can't figure out. As an example I made an Activity that has a ScrollView inside of it ...

I have the following XML: <FrameLayout android:layout_width="match_parent" android:layout_height="match_parent" android:background="@drawable/palette2" android:id="@+id/fl" > <Image...