The easiest way to move a view with the finger is using the setTranslationX and setTranslationY from the View class. You can also change the margins on the View LayoutParams to move if you are targeting api < 11.
How do you drag a view on Android?
Android Drag and Drop
- To drag a view we need to register it with an onTouchListener or an onLongClickListener first.
- We also need to add a listener to the view where the dragged view would be dropped. …
- The onDragListener interface contains the method onDrag which gets called whenever any DragEvent occurs.
How do I make an image movable on Android?
Moving images on the screen in Android
- Create layout with the FrameLayout component.
- Create an ImageView programmatically for the added image and set it to OnTouchListener.
- Define user actions in the onTouch() method.
- Change LayoutParams values according to the current ImageView location.
9 июн. 2020 г.
How do I animate a view in Android?
Change the view position with ObjectAnimator
When repositioning your views on screen you will use the translationX and translationY attributes. ObjectAnimator animation = ObjectAnimator. ofFloat(view, “translationX”, 100f); animation.
How do I change the position of my Android phone?
Yes, you can dynamically set the position of the view in Android. Likewise, you have an ImageView in LinearLayout of your XML file. So you can set its position through LayoutParams . But make sure to take LayoutParams according to the layout taken in your XML file.
How do I turn on multiple 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.
How do you drag and drop without a mouse?
To drag an item, double-tap but don’t lift your finger after the second tap. Drag the item where you want it, then lift your finger to drop. If your touchpad supports multi-finger taps, right-click by tapping with two fingers at once. Otherwise, you still need to use hardware buttons to right-click.
How do I drag and drop photos on Android?
The Drag/Drop Process
- Started − This event occurs when you start dragging an item in a layout, your application calls startDrag() method to tell the system to start a drag. …
- Continuing − The user continues the drag. …
- Dropped − The user releases the dragged item within the bounding box of a View.
What is translate animation in Android?
android.view.animation.TranslateAnimation. An animation that controls the position of an object.
How do you hide a view?
setVisibility(View. INVISIBLE) if you just want to hide it. This view is invisible, but it still takes up space for layout purposes. Use with setVisibility(int) and android:visibility .
How do I make my Android invisible?
setVisibility(View. GONE); you have the option to set the visibility to INVISIBLE and VISIBLE . Then you can play with the visibility as you like.
How do you animate text on Android?
To start the animation we need to call the startAnimation() function on the UI element as shown in the snippet below: sampleTextView. startAnimation(animation); Here we perform the animation on a textview component by passing the type of Animation as the parameter.
What is last known location in Android?
Using the Google Play services location APIs, your app can request the last known location of the user’s device. In most cases, you are interested in the user’s current location, which is usually equivalent to the last known location of the device.
What is a layout in Android?
Layouts Part of Android Jetpack. A layout defines the structure for a user interface in your app, such as in an activity. All elements in the layout are built using a hierarchy of View and ViewGroup objects. A View usually draws something the user can see and interact with.
How do I find my coordinates on Android?
For Android device screen coordinates, below concept will work. Display mdisp = getWindowManager(). getDefaultDisplay(); Point mdispSize = new Point(); mdisp. getSize(mdispSize); int maxX = mdispSize.