在MapView中放置缩放控件
在MapView中放置缩放控件
提问于 2008-11-04 21:30:22
我试图让缩放控件显示在mapview中，下面的代码几乎可以工作，但缩放控件显示在mapview的左上角，而不是我通过setGravity()指定的中下角。有人能告诉我我错过了什么吗？
zoomView = (LinearLayout) mapView.getZoomControls();
zoomView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,ViewGroup.LayoutParams.WRAP_CONTENT));
zoomView.setGravity(Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL);
mapView.addView(zoomView);这些视图/布局都是以编程方式构建的，没有需要调整的布局文件。
回答 5
Stack Overflow用户
发布于 2010-03-23 20:41:58
将以下行添加到MapView类的OnCreate()方法中：
view.setBuiltInZoomControls(true);
Stack Overflow用户
发布于 2011-05-13 06:51:39
上面的方法不适用于我，但是这个方法可以(将控件放在右下角)：
mapView.setBuiltInZoomControls(true);
ZoomButtonsController zbc = mapView.getZoomButtonsController();
ViewGroup container = zbc.getContainer();
for (int i = 0; i < container.getChildCount(); i++) {
View child = container.getChildAt(i);
if (child instanceof ZoomControls) {
FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) child.getLayoutParams();
lp.gravity = Gravity.RIGHT | Gravity.BOTTOM;
child.requestLayout();
break;
}
}Stack Overflow用户
发布于 2009-02-27 11:45:15
在google groups thread中，我发现了以下内容：
不带XML的ZoomControls：
public class MyMapActivity extends MapActivity { public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
RelativeLayout relativeLayout = new RelativeLayout(this);
setContentView(relativeLayout);
final MapView mapView = new MapView(this, DEBUG_MAP_API_KEY);
RelativeLayout.LayoutParams mapViewLayoutParams = new
RelativeLayout.LayoutParams
(RelativeLayout.LayoutParams.FILL_PARENT,RelativeLayout.LayoutParams.FILL_PARENT );
relativeLayout.addView(mapView, mapViewLayoutParams);
RelativeLayout.LayoutParams zoomControlsLayoutParams = new
RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT,
RelativeLayout.LayoutParams.WRAP_CONTENT );
zoomControlsLayoutParams.addRule
(RelativeLayout.ALIGN_PARENT_BOTTOM);
zoomControlsLayoutParams.addRule
(RelativeLayout.CENTER_HORIZONTAL);
relativeLayout.addView(mapView.getZoomControls(),
zoomControlsLayoutParams);
mapView.setClickable(true);
mapView.setEnabled(true);
} 是否100%适合我使用SDK1.1
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原文链接：
https://stackoverflow.com/questions/263507
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