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いくつかのエラーが発生し、何をすべきかわからない。助けてください。Android バージョン 1.5 でスネーク ゲームを開発し、Eclipse SDK バージョン 4.2.0 を使用しようとすると、これらのエラーだけがゲームのデバッグを妨げているようです。

The method getX() in the type MotionEvent is not applicable for the arguments (int) 
The method getY() in the type MotionEvent is not applicable for the arguments (int) 
The method getX() in the type MotionEvent is not applicable for the arguments (int) 
The method getY() in the type MotionEvent is not applicable for the arguments (int) 
The method getPointerCount() is undefined for the type MotionEvent  
The method getPointerId(int) is undefined for the type MotionEvent  
ACTION_POINTER_DOWN cannot be resolved or is not a field    
The method getX() in the type MotionEvent is not applicable for the arguments (int) 
The method getY() in the type MotionEvent is not applicable for the arguments (int) 
ACTION_POINTER_UP cannot be resolved or is not a field  MultiTouchHandler.java  
ACTION_MASK cannot be resolved or is not a field    
ACTION_POINTER_ID_MASK cannot be resolved or is not a field 
ACTION_POINTER_ID_SHIFT cannot be resolved or is not a field
The method getPointerId(int) is undefined for the type MotionEvent

コード：

public boolean onTouch(View v, MotionEvent event) {  
    synchronized (this) {  
        int action = event.getAction() & MotionEvent.ACTION_MASK;  
        int pointerIndex = (event.getAction() & MotionEvent.ACTION_POINTER_ID_MASK) >>   MotionEvent.ACTION_POINTER_ID_SHIFT;  
        int pointerId = event.getPointerId(pointerIndex);   

        switch (action) {
        case MotionEvent.ACTION_DOWN:
        case MotionEvent.ACTION_POINTER_DOWN:
            touchEvent = touchEventPool.newObject();
            touchEvent.type = TouchEvent.TOUCH_DOWN;
            touchEvent.pointer = pointerId;
            touchEvent.x = touchX[pointerId] = (int) (event
                    .getX(pointerIndex) * scaleX);
            touchEvent.y = touchY[pointerId] = (int) (event
                    .getY(pointerIndex) * scaleY);
            isTouched[pointerId] = true;
            touchEventsBuffer.add(touchEvent);
            break;

        case MotionEvent.ACTION_UP:
        case MotionEvent.ACTION_POINTER_UP:
        case MotionEvent.ACTION_CANCEL:
            touchEvent = touchEventPool.newObject();
            touchEvent.type = TouchEvent.TOUCH_UP;
            touchEvent.pointer = pointerId;
            touchEvent.x = touchX[pointerId] = (int) (event
                    .getX(pointerIndex) * scaleX);
            touchEvent.y = touchY[pointerId] = (int) (event
                    .getY(pointerIndex) * scaleY);
            isTouched[pointerId] = false;
            touchEventsBuffer.add(touchEvent);
            break;

        case MotionEvent.ACTION_MOVE:
            int pointerCount = event.getPointerCount();
            for (int i = 0; i < pointerCount; i++) {
                pointerIndex = i;
                pointerId = event.getPointerId(pointerIndex);

                touchEvent = touchEventPool.newObject();
                touchEvent.type = TouchEvent.TOUCH_DRAGGED;
                touchEvent.pointer = pointerId;
                touchEvent.x = touchX[pointerId] = (int) (event
                        .getX(pointerIndex) * scaleX);
                touchEvent.y = touchY[pointerId] = (int) (event
                        .getY(pointerIndex) * scaleY);
                touchEventsBuffer.add(touchEvent);
            }
            break;
        }

        return true;
    }
}
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2 に答える 2

0

エラーが発生しているこれらの方法はすべて、選択したAPIレベルでは使用できません。APIレベルを上げるか、マルチタッチ固有のコードを削除してください。

于 2012-07-04T08:32:40.343 に答える
0

メソッド/変数は、それらを使用しているコンテキストで必要なタイプに一致していません。

コードを調べて、メソッドの引数と戻り値の型がすべて一致しているかどうかを確認してください。

于 2012-07-04T08:06:06.853 に答える