相关疑难解决方法(0)

我想设置地图缩放级别以适合地图上的所有标记.我使用了许多人所说的方法,但它不适合我.它显示了一些其他观点.

if (positions.size() > 0) {

    final LatLngBounds.Builder builder = new LatLngBounds.Builder();
    for (Marker m : positions) {
        builder.include(m.getPosition());
    }
    builder.include(positions.get(i).getPosition());
}

try {
    googleMap.setOnCameraChangeListener(new OnCameraChangeListener() {

        @Override
        public void onCameraChange(CameraPosition arg0) {

            googleMap.moveCamera(CameraUpdateFactory.newLatLngBounds(
                    builder.build(), UserDataManager.getInstance().getWidth(), 
                    UserDataManager.getInstance().getWidth(),0));
            googleMap.setOnCameraChangeListener(null);

        }
    });

} catch (IllegalStateException e) {
    // TODO: handle exception
    final View mapView = getSupportFragmentManager()
            .findFragmentById(R.id.map).getView();
    if (mapView.getViewTreeObserver().isAlive()) {
        mapView.getViewTreeObserver().addOnGlobalLayoutListener(
            new OnGlobalLayoutListener() {

                // We check which build version we are using.
                @Override
                public void onGlobalLayout() {
                    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) …