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Diffstat (limited to '')
-rw-r--r-- | src/main/java/de/pixart/messenger/ui/interfaces/OnSwipeTouchListener.java | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/main/java/de/pixart/messenger/ui/interfaces/OnSwipeTouchListener.java b/src/main/java/de/pixart/messenger/ui/interfaces/OnSwipeTouchListener.java new file mode 100644 index 000000000..513e0a606 --- /dev/null +++ b/src/main/java/de/pixart/messenger/ui/interfaces/OnSwipeTouchListener.java @@ -0,0 +1,57 @@ +package de.pixart.messenger.ui.interfaces; + +import android.content.Context; +import android.util.Log; +import android.view.GestureDetector; +import android.view.MotionEvent; +import android.view.View; + +import de.pixart.messenger.Config; + +public class OnSwipeTouchListener implements View.OnTouchListener { + + private final GestureDetector gestureDetector; + + public OnSwipeTouchListener(Context context) { + gestureDetector = new GestureDetector(context, new GestureListener()); + } + + public void onSwipeLeft() { + } + + public void onSwipeRight() { + } + + public boolean onTouch(View v, MotionEvent event) { + return gestureDetector.onTouchEvent(event); + } + + private final class GestureListener extends GestureDetector.SimpleOnGestureListener { + + private static final int SWIPE_DISTANCE_THRESHOLD = 100; + private static final int SWIPE_VELOCITY_THRESHOLD = 100; + + @Override + public boolean onDown(MotionEvent e) { + return true; + } + + @Override + public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { + if (e1 == null || e2 == null) { + Log.d(Config.LOGTAG, "Error MotionEvent"); + return false; + } + float distanceX = e2.getX() - e1.getX(); + float distanceY = e2.getY() - e1.getY(); + if (Math.abs(distanceX) > Math.abs(distanceY) && Math.abs(distanceX) > SWIPE_DISTANCE_THRESHOLD && Math.abs(velocityX) > SWIPE_VELOCITY_THRESHOLD) { + if (distanceX > 0) + onSwipeRight(); + else + onSwipeLeft(); + return true; + } + return false; + } + } +}
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