Scroll between actions

I have 2 actions in which I want to switch between them using a swipe, I did a lot of research on google, but could not find a solution, since I work with raster images (images). I have most of the code written inside the onCreate () action method, is there any solution for this, or how can I convert activity like it into a fragment

+4
source share
2 answers

You can do this using the GestureDetector. The following is an example of a snippet.

// You can change values of below constants as per need. private static final int MIN_DISTANCE = 100; private static final int MAX_OFF_PATH = 200; private static final int THRESHOLD_VELOCITY = 100; private GestureDetector mGestureDetector; // write below code in onCreate method mGestureDetector = new GestureDetector(context, new SwipeDetector()); // Set touch listener to parent view of activity layout // Make sure that setContentView is called before setting touch listener. findViewById(R.id.parent_view).setOnTouchListener(new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { // Let gesture detector handle the event return mGestureDetector.onTouchEvent(event); } }); // Define a class to detect Gesture private class SwipeDetector extends GestureDetector.SimpleOnGestureListener { @Override public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { if (e1 != null && e2 != null) { float dy = e1.getY() - e2.getY(); float dx = e1.getX() - e2.getX(); // Right to Left swipe if (dx > MIN_DISTANCE && Math.abs(dy) < MAX_OFF_PATH && Math.abs(velocityX) > THRESHOLD_VELOCITY) { // Add code to change activity return true; } // Left to right swipe else if (-dx > MIN_DISTANCE && Math.abs(dy) < MAX_OFF_PATH && Math.abs(velocityX) > THRESHOLD_VELOCITY) { // Below is sample code to show left to right swipe while launching next activity currentActivity.overridePendingTransition(R.anim.right_in, R.anim.right_out); startActivity(new Intent(currentActivity,NextActivity.class)); return true; } } return false; } } //Below are sample animation xml files. anim/right_in.xml <?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android"> <translate android:duration="500" android:fromXDelta="-100%p" android:toXDelta="0" /> </set> anim/right_out.xml <?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android"> <translate android:duration="500" android:fromXDelta="0" android:toXDelta="100%p" /> </set> 
+1
source