Android Open Source - opentraining Exercise Detail On Gesture Listener

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License

The source code is released under:

GNU General Public License

Java Source Code

/**
 * /*  www. jav a  2  s  .  co  m*/
 * This is OpenTraining, an Android application for planning your your fitness training.
 * Copyright (C) 2012-2014 Christian Skubich
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program 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 for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 */

package de.skubware.opentraining.activity.create_workout;

import java.io.File;
import java.util.List;

import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.MotionEvent;
import android.view.GestureDetector.OnGestureListener;
import android.widget.ImageView;
import de.skubware.opentraining.basic.IExercise;
import de.skubware.opentraining.db.DataHelper;

/**
 * A GestureListener for {@link ExerciseTypeDetailFragment} or
 * {@link FExDetailFragment}.
 * 
 */
public class ExerciseDetailOnGestureListener implements OnGestureListener {

  /** Tag for logging */
  private static final String TAG = "ExerciseDetailOnGestureListener";

  /** Currently selected mExercise */
  private IExercise mExercise;

  /** ImageView for the image of the mExercise */
  private ImageView mImageview;

  /** Reference to the 'parent' fragment */
  private Fragment mFragment;

  private int imageIndex = 0;

  public ExerciseDetailOnGestureListener(Fragment fragment, ImageView imageview, IExercise exercise) {

    this.mExercise = exercise;
    this.mImageview = imageview;
    this.mFragment = fragment;
  }

  /**
   * Next image is shown when image is just taped.
   */
  public boolean onSingleTapUp(MotionEvent e) {
    Log.i(TAG, "Taped on image");

    List<File> paths = mExercise.getImagePaths();
    // ignore, if there is no other image to show
    if (paths.size() < 2)
      return true;

    imageIndex--;
    if (imageIndex < 0) {
      imageIndex = mExercise.getImagePaths().size() - 1;
    }

    DataHelper dataHelper = new DataHelper(mFragment.getActivity());

    mImageview.setImageDrawable(dataHelper.getDrawable(paths.get(imageIndex).toString()));

    return true;
  }

  /** Not used */
  public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
    return false;

    /*
     * final ViewConfiguration vc = ViewConfiguration.get(activity); final
     * int swipeMinDistance = vc.getScaledTouchSlop(); final int
     * swipeMaxDistance = vc.getScaledMaximumFlingVelocity(); final int
     * swipeThresholdVelocity = vc.getScaledMinimumFlingVelocity();
     * 
     * if (Math.abs(e1.getY() - e2.getY()) > swipeMaxDistance) return false;
     * 
     * // right to left swipe if (e1.getX() - e2.getX() > swipeMinDistance
     * && Math.abs(velocityX) > swipeThresholdVelocity) { Log.i(TAG,
     * "Swiped forward"); } else if (e2.getX() - e1.getX() >
     * swipeMinDistance && Math.abs(velocityX) > swipeThresholdVelocity) {
     * Log.i(TAG, "Swiped backwards"); }
     * 
     * return true;
     */
  }

  /** Not used */
  public void onLongPress(MotionEvent e) {
  }

  /** Not used */
  public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
    return false;
  }

  /** Not used */
  public void onShowPress(MotionEvent e) {
  }

  /** Not used */
  public boolean onDown(MotionEvent e) {
    return true;
  }

}

Java Source Code List

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