Android Open Source - Common-Library Calendar Scroll View

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License

The source code is released under:

Apache License

Java Source Code

package com.morgan.library.widget.calendar;
/*from ww  w  . j  a  v  a  2s.  c  om*/
import android.content.Context;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.widget.ScrollView;

public class CalendarScrollView extends ScrollView {

  private boolean mIsScrollY;
  private boolean mIsDectedScroll;
  private float mInitialMotionX;
  private float mInitialMotionY;

  public CalendarScrollView(Context context, AttributeSet attrs) {
    super(context, attrs);
  }

  @Override
  public boolean onInterceptTouchEvent(MotionEvent ev) {
    switch (ev.getAction()) {
    case MotionEvent.ACTION_DOWN:
      final float x = ev.getX();
      final float y = ev.getY();
      mInitialMotionX = x;
      mInitialMotionY = y;
      mIsDectedScroll = false;
      break;
    case MotionEvent.ACTION_MOVE:
      if (!mIsDectedScroll
          && (ev.getY() != mInitialMotionY || ev.getX() != mInitialMotionX)) {
        mIsScrollY = Math.abs(ev.getY() - mInitialMotionY) > Math
            .abs(ev.getX() - mInitialMotionX);
        mIsDectedScroll = true;
      }
      break;

    case MotionEvent.ACTION_CANCEL:
    case MotionEvent.ACTION_UP:
      mIsDectedScroll = false;
      mIsScrollY = false;
      break;
    }

    if (mIsDectedScroll && !mIsScrollY) {
      return false;
    }

    return super.onInterceptTouchEvent(ev);
  }
}

Java Source Code List

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