Example usage for android.view MotionEvent ACTION_POINTER_1_UP

Introduction

In this page you can find the example usage for android.view MotionEvent ACTION_POINTER_1_UP.

Prototype

int ACTION_POINTER_1_UP

To view the source code for android.view MotionEvent ACTION_POINTER_1_UP.

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Usage

From source file:com.cssweb.android.view.KlineView.java

/**
 * true?,false??//www.ja  v  a2  s . c  om
 */
public boolean onTouchEvent(MotionEvent motionEvent) {
    int count = motionEvent.getPointerCount();
    if (count == 2) {//
        isTrackStatus = false;
        if (motionEvent.getAction() == MotionEvent.ACTION_POINTER_1_DOWN
                || motionEvent.getAction() == MotionEvent.ACTION_POINTER_2_DOWN) {
            float x0 = motionEvent.getX(0);
            float x1 = motionEvent.getX(1);
            float y0 = motionEvent.getY(0);
            float y1 = motionEvent.getY(1);
            distanceY0 = Math.abs(y1 - y0);
            distanceX0 = Math.abs(x1 - x0);
        }
        if (motionEvent.getAction() == MotionEvent.ACTION_POINTER_1_UP
                || motionEvent.getAction() == MotionEvent.ACTION_POINTER_2_UP) {
            float x0 = motionEvent.getX(0);
            float x1 = motionEvent.getX(1);
            float y0 = motionEvent.getY(0);
            float y1 = motionEvent.getY(1);
            distanceY1 = Math.abs(y1 - y0);
            distanceX1 = Math.abs(x1 - x0);
            if (distanceY1 > distanceY0 && distanceX1 > distanceX0) {
                upHandler();
            } else if (distanceY1 < distanceY0 && distanceX1 < distanceX0) {
                downHandler();
            }
        }
        return false;
    } else if (count == 1) {//??
        switch (motionEvent.getAction()) {
        case MotionEvent.ACTION_DOWN:
            touchesBegan(motionEvent);
            break;

        case MotionEvent.ACTION_MOVE:
            touchesMoved(motionEvent);
            break;

        case MotionEvent.ACTION_UP:
            touchesEnded(motionEvent);
            break;

        }
    }
    return true;
}

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