我的 PopupView 中有一个 LinearLayout，这个 LinearLayout 中有一个按钮。此按钮的事件侦听器工作正常，但按下（突出显示）的动画未启动。我做错了什么？求求你了！
public class PopupView extends View
{
private PopupWindow popUp;
private LinearLayout popUpLayout;
private TextView titleTextView;
private TextView lengthTextView;
private TextView heighTextView;
private TextView percentTextView;
private Button buttonOk;
private Button buttonDelete;
private EditText edTextLength, edTextHeight;
private OnClickListener onClick;
private LayoutParams params;
private int popUpWidth = 0;
private int popUpHeight = 0;
private int lastPopupped;
private boolean isCreated = false;
private int popUpX, popUpY;
public static final int POINT_MOVE = 1;
public PopupView(Context context)
{
super(context);
popUp = new PopupWindow(context);
popUpLayout = new LinearLayout(context);
titleTextView = new TextView(context);
lengthTextView = new TextView(context);
heighTextView = new TextView(context);
percentTextView = new TextView(context);
buttonOk = new Button(context);
buttonDelete = new Button(context);
titleTextView.setTextColor(Color.BLACK);
lengthTextView.setTextColor(Color.BLACK);
heighTextView.setTextColor(Color.BLACK);
percentTextView.setTextColor(Color.BLACK);
buttonOk.setText("OK");
buttonOk.setId(1);
buttonDelete.setText("Delete");
buttonDelete.setId(2);
params = new LayoutParams(LayoutParams.WRAP_CONTENT,
LayoutParams.WRAP_CONTENT);
popUpLayout.setClickable(true);
popUpLayout.setOrientation(LinearLayout.VERTICAL);
popUp.setContentView(popUpLayout);
}
public void createPopup (View parent, int typeOfPopUp, DataContainer dContainer, int numOfPoint, int statusBar,
float scaleFactor, int scrollX, int scrollY)
{
switch (typeOfPopUp)
{
case 1:
titleTextView.setText("Ground Point # " + (1 + numOfPoint));
lengthTextView.setText("Length = " + dContainer.groundPoints.get(numOfPoint).length);
heighTextView.setText("Heigh = " + dContainer.groundPoints.get(numOfPoint).heigh);
onClick = new OnClickListener()
{
public void onClick (View v)
{
switch (v.getId())
{
case 1:
System.out.println("OK pressed!");
break;
case 2:
break;
}
}
};
buttonOk.setOnClickListener(onClick);
buttonOk.setFocusable(true);
buttonDelete.setOnClickListener(onClick);
popUpLayout.removeAllViews();
popUpLayout.addView(titleTextView, params);
popUpLayout.addView(lengthTextView, params);
popUpLayout.addView(heighTextView, params);
buttonDelete.setEnabled(true);
popUpLayout.addView(buttonDelete, params);
popUpLayout.addView(buttonOk, params);
popUpWidth = (int)(titleTextView.getTextSize() / 2 * 18);
popUpHeight = (int)(titleTextView.getTextSize() * 13);
popUpX = (int)((dContainer.groundPoints.get(numOfPoint).length) * scaleFactor - scrollX);
popUpY = (int)((dContainer.groundPoints.get(numOfPoint).heigh) * scaleFactor + statusBar - scrollY);
popUpX += statusBar;
popUpY += statusBar;
popUp.showAtLocation(parent, Gravity.NO_GRAVITY, popUpX, popUpY);
popUp.update(popUpX, popUpY, popUpWidth, popUpHeight);
lastPopupped = numOfPoint;
isCreated = true;
break;
}
}
public void removePopup ()
{
if (isCreated)
{
popUp.dismiss();
}
}
public void updatePopup (DataContainer dContainer, int statusBar,
float scaleFactor, int scrollX, int scrollY)
{
if (isCreated)
{
popUp.update((int)((dContainer.groundPoints.get(lastPopupped).length) * scaleFactor - scrollX),
(int)((dContainer.groundPoints.get(lastPopupped).heigh) * scaleFactor + statusBar - scrollY),
popUpWidth, popUpHeight);
}
}
}