How do you move the view on Android?

How do you move the view on Android?

Moving images on the screen in Android

1. Create layout with the FrameLayout component.
2. Create an ImageView programmatically for the added image and set it to OnTouchListener.
3. Define user actions in the onTouch() method.
4. Change LayoutParams values according to the current ImageView location.

What is MotionEvent?

android.view.MotionEvent. Object used to report movement (mouse, pen, finger, trackball) events. Motion events may hold either absolute or relative movements and other data, depending on the type of device.

How do you make a motion event on android?

You should use one of the static obtain methods of the MotionEvent class to create a new event. API Docs: Create a new MotionEvent, filling in a subset of the basic motion values. Those not specified here are: device id (always 0), pressure and size (always 1), x and y precision (always 1), and edgeFlags (always 0).

How do I use MotionLayout?

1. Step 1: Adding MotionLayout. First, we need to add the ConstraintLayout 2.0.
2. Step 2: Convert to MotionLayout.
3. Step 3: Defining ConstraintSets.
4. Step 4: Previewing Animations.
5. Step 5: Modifying a Path.
6. Step 6: Modifying Attributes During the Transition.
7. Step 7: Triggering the Animation.
8. Step 8: Try it Out!

How do I turn off multi touch on Android?

To prevent multi touch you should turn off splitMotionEvents or windowEnableSplitTouch attribute inside ViewGroup were buttons are located.

What is multi touch in Android?

A multi-touch gesture is when multiple pointers (fingers) touch the screen at the same time. This lesson describes how to detect gestures that involve multiple pointers. Refer to the following related resources: Input Events API Guide.

What is requestDisallowInterceptTouchEvent?

According to android docs you can get your parent ViewGroup and call requestDisallowInterceptTouchEvent(true) on it to stop other things from interfering. This causes not only the immediate parent but any other parent objects that might intercept the touch to ignore it for the duration of the particular event…

How do I use multi touch on Android?

Introducing multi-touch That’s called a “tap” gesture. Another gesture is called “drag”. That’s where you hold one finger on the screen and move it around, causing the content under your finger to scroll. Tap, drag, and a few other single-fingered gestures have always been supported in Android.

What is onTouchEvent?

onTouchEvent is a method implemented by the View, Activity and other base classes like LinearLayout, etc.. public boolean onTouchEvent(MotionEvent event) { throw new RuntimeException(“Stub!” ); } you can override this method by any derived classes.

What is a motionevent?

The motion contains the most recent point, as well as any intermediate points since the last hover move event. This action is always delivered to the window or view under the pointer. This action is not a touch event so it is delivered to onGenericMotionEvent (MotionEvent) rather than onTouchEvent (MotionEvent) .

How to return more than just the flag in motionevent getaction?

MotionEvent.getAction () returns more than just the flag. Try the following: int action = arg1.getAction () & MotionEvent.ACTION_MASK; if (action == MotionEvent.ACTION_MOVE) You can also use MotionEvent.getActionMasked () .

Why does ontouch () return false when motionevent is an action_down event?

If you return false from onTouch() when the MotionEvent is an ACTION_DOWN event, it signals that the View no longer wants to see any more of the gesture, and that the gesture’s events should go to the parent ViewGroup.

What is a motion object?

Object used to report movement (mouse, pen, finger, trackball) events. Motion events may hold either absolute or relative movements and other data, depending on the type of device.