+++ /dev/null
-/*
- * Copyright © 2018 Damyan Ivanov.
- * This file is part of Mobile-Ledger.
- * Mobile-Ledger is free software: you can distribute it and/or modify it
- * under the term of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your opinion), any later version.
- *
- * Mobile-Ledger is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License terms for details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Mobile-Ledger. If not, see <https://www.gnu.org/licenses/>.
- */
-
-package net.ktnx.mobileledger;
-
-import android.content.Context;
-import android.util.Log;
-import android.view.GestureDetector;
-import android.view.GestureDetector.SimpleOnGestureListener;
-import android.view.MotionEvent;
-import android.view.View;
-
-public abstract class OnSwipeTouchListener implements View.OnTouchListener {
- public final GestureDetector gestureDetector;
-
- OnSwipeTouchListener(Context ctx) {
- gestureDetector = new GestureDetector(ctx, new GestureListener() );
- }
-
- private final class GestureListener extends SimpleOnGestureListener {
- private static final int SWIPE_THRESHOLD = 100;
- private static final int SWIPE_VELOCITY_THRESHOLD = 100;
-
- @Override
- public boolean onDown(MotionEvent e) {
- Log.d("sw-l", "onDown");
- return false;
- }
-
- @Override
- public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
- boolean result = false;
-
- Log.d("sw-l", "onFling");
-
- try {
- float diffX = e2.getX() - e1.getX();
- float diffY = e2.getY() - e1.getY();
- if (Math.abs(diffX) > Math.abs(diffY)) {
- if (Math.abs(diffX) > SWIPE_THRESHOLD && Math.abs(velocityX) > SWIPE_VELOCITY_THRESHOLD) {
- if (diffX > 0) {
- Log.d("sw-l", "calling onSwipeRight");
- onSwipeRight();
- }
- else {
- Log.d("sw-l", "calling onSwipeLeft");
- onSwipeLeft();
- }
- }
- result = true;
- }
- else if (Math.abs(diffY) > SWIPE_THRESHOLD && Math.abs(velocityY) > SWIPE_VELOCITY_THRESHOLD) {
- if (diffY > 0) {
- onSwipeDown();
- }
- else {
- onSwipeUp();
- }
- result = true;
- }
- }
- catch (Exception e) {
- e.printStackTrace();
- }
-
- return result;
- }
- }
-
- public void onSwipeRight() {}
- public void onSwipeLeft() {
- Log.d("sw-l", "LEFT");
- }
- public void onSwipeUp() {}
- public void onSwipeDown() {}
-}