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BasicGestureDetect / src / com.example.android.basicgesturedetect /

GestureListener.java

       
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        /*
       
       
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        * Copyright 2013 The Android Open Source Project
       
       
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        *
       
       
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        * Licensed under the Apache License, Version 2.0 (the "License");
       
       
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        * you may not use this file except in compliance with the License.
       
       
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        * You may obtain a copy of the License at
       
       
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        *
       
       
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        *     http://www.apache.org/licenses/LICENSE-2.0
       
       
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        *
       
       
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        * Unless required by applicable law or agreed to in writing, software
       
       
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        * distributed under the License is distributed on an "AS IS" BASIS,
       
       
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        * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
       
       
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        * See the License for the specific language governing permissions and
       
       
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        * limitations under the License.
       
       
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        */
       
       
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        package com.example.android.basicgesturedetect;
       
       
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        import android.view.GestureDetector;
       
       
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        import android.view.MotionEvent;
       
       
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        import com.example.android.common.logger.Log;
       
       
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        public class GestureListener extends GestureDetector.SimpleOnGestureListener {
       
       
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        public static final String TAG = "GestureListener";
       
       
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        @Override
       
       
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        public boolean onSingleTapUp(MotionEvent e) {
       
       
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        // Up motion completing a single tap occurred.
       
       
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        Log.i(TAG, "Single Tap Up");
       
       
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        return false;
       
       
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        }
       
       
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        @Override
       
       
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        public void onLongPress(MotionEvent e) {
       
       
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        // Touch has been long enough to indicate a long press.
       
       
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        // Does not indicate motion is complete yet (no up event necessarily)
       
       
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        Log.i(TAG, "Long Press");
       
       
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        }
       
       
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        @Override
       
       
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        public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX,
       
       
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        float distanceY) {
       
       
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        // User attempted to scroll
       
       
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        Log.i(TAG, "Scroll");
       
       
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        return false;
       
       
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        }
       
       
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        @Override
       
       
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        public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
       
       
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        float velocityY) {
       
       
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        // Fling event occurred.  Notification of this one happens after an "up" event.
       
       
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        Log.i(TAG, "Fling");
       
       
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        return false;
       
       
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        }
       
       
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        @Override
       
       
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        public void onShowPress(MotionEvent e) {
       
       
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        // User performed a down event, and hasn't moved yet.
       
       
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        Log.i(TAG, "Show Press");
       
       
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        }
       
       
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        @Override
       
       
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        public boolean onDown(MotionEvent e) {
       
       
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        // "Down" event - User touched the screen.
       
       
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        Log.i(TAG, "Down");
       
       
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        return false;
       
       
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        }
       
       
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        @Override
       
       
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        public boolean onDoubleTap(MotionEvent e) {
       
       
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        // User tapped the screen twice.
       
       
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        Log.i(TAG, "Double tap");
       
       
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        return false;
       
       
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        }
       
       
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        @Override
       
       
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        public boolean onDoubleTapEvent(MotionEvent e) {
       
       
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        // Since double-tap is actually several events which are considered one aggregate
       
       
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        // gesture, there's a separate callback for an individual event within the doubletap
       
       
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        // occurring.  This occurs for down, up, and move.
       
       
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        Log.i(TAG, "Event within double tap");
       
       
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        return false;
       
       
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        }
       
       
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        @Override
       
       
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        public boolean onSingleTapConfirmed(MotionEvent e) {
       
       
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        // A confirmed single-tap event has occurred.  Only called when the detector has
       
       
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        // determined that the first tap stands alone, and is not part of a double tap.
       
       
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        Log.i(TAG, "Single tap confirmed");
       
       
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        return false;
       
       
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        }
       
       
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        }