我想使用startActivity()，但我不能
我如何修复此代码？
public class MyItemizedOverlay2 extends BalloonItemizedOverlay2<OverlayItem> {
private static final Context getContext = null;
private ArrayList<OverlayItem> m_overlays2 = new ArrayList<OverlayItem>();
private Context c;
private int nIndex=0;
private Context getbaseContext;
public MyItemizedOverlay2(Drawable defaultMarker, MapView mapView) {
super(boundCenter(defaultMarker), mapView);
c = mapView.getContext();
}
public void addOverlay(OverlayItem overlay) {
m_overlays2.add(overlay);
populate();
}
@Override
protected OverlayItem createItem(int i) {
return m_overlays2.get(i);
}
@Override
public int size() {
return m_overlays2.size();
}
@Override
protected boolean onBalloonTap(int index) {
Intent i = new Intent ("page1");
startActivity(i);
nIndex = index;
;
//Toast.makeText(c, "Overlay2입니다. " + index,
// Toast.LENGTH_LONG).show();
return true;
}
}
public abstract class BalloonItemizedOverlay2<Item> extends ItemizedOverlay<OverlayItem> {
private MapView mapView;
private BalloonOverlayView2<?> balloonView2;
private BalloonOverlayView<?> balloonView;
private View clickRegion;
private int viewOffset;
final MapController mc;
public int indexN;
/**
* Create a new BalloonItemizedOverlay
*
* @param defaultMarker - A bounded Drawable to be drawn on the map for each item in the overlay.
* @param mapView - The view upon which the overlay items are to be drawn.
*/
public BalloonItemizedOverlay2(Drawable defaultMarker, MapView mapView) {
super(defaultMarker);
this.mapView = mapView;
viewOffset = 0;
mc = mapView.getController();
}
/**
* Set the horizontal distance between the marker and the bottom of the information
* balloon. The default is 0 which works well for center bounded markers. If your
* marker is center-bottom bounded, call this before adding overlay items to ensure
* the balloon hovers exactly above the marker.
*
* @param pixels - The padding between the center point and the bottom of the
* information balloon.
*/
public void setBalloonBottomOffset(int pixels) {
viewOffset = pixels;
}
/**
* Override this method to handle a "tap" on a balloon. By default, does nothing
* and returns false.
*
* @param index - The index of the item whose balloon is tapped.
* @return true if you handled the tap, otherwise false.
*/
protected boolean onBalloonTap(int index) {
return false;
}
/* (non-Javadoc)
* @see com.google.android.maps.ItemizedOverlay#onTap(int)
*/
@Override
protected final boolean onTap(int index) {
indexN=index;
boolean isRecycled;
final int thisIndex;
GeoPoint point;
thisIndex = index;
point = createItem(index).getPoint();
if (balloonView2 == null) {
balloonView2 = new BalloonOverlayView2<Object>(mapView.getContext(), viewOffset);
clickRegion = (View) balloonView2.findViewById(R.id.balloon_inner_layout);
isRecycled = false;
} else {
isRecycled = true;
}
balloonView2.setVisibility(View.GONE);
switch(thisIndex){
case 0:
balloonView2.over21.setVisibility(View.VISIBLE);
//balloonView.over1.setVisibility(View.INVISIBLE);
break;
case 1:
balloonView2.over22.setVisibility(View.VISIBLE);
//balloonView.over0.setVisibility(View.INVISIBLE);
break;
case 2:
balloonView2.over23.setVisibility(View.VISIBLE);
break;
case 3:
balloonView2.over24.setVisibility(View.VISIBLE);
break;
case 4:
balloonView2.over25.setVisibility(View.VISIBLE);
break;
case 5:
balloonView2.over26.setVisibility(View.VISIBLE);
break;
case 6:
balloonView2.over27.setVisibility(View.VISIBLE);
break;
case 7:
balloonView2.over28.setVisibility(View.VISIBLE);
break;
case 8:
balloonView2.over29.setVisibility(View.VISIBLE);
break;
case 9:
balloonView2.over30.setVisibility(View.VISIBLE);
break;
case 10:
balloonView2.over31.setVisibility(View.VISIBLE);
break;
case 11:
balloonView2.over32.setVisibility(View.VISIBLE);
break;
case 12:
balloonView2.over33.setVisibility(View.VISIBLE);
break;
case 13:
balloonView2.over34.setVisibility(View.VISIBLE);
break;
case 14:
balloonView2.over35.setVisibility(View.VISIBLE);
break;
case 15:
balloonView2.over36.setVisibility(View.VISIBLE);
break;
case 16:
balloonView2.over37.setVisibility(View.VISIBLE);
break;
case 17:
balloonView2.over38.setVisibility(View.VISIBLE);
break;
case 18:
balloonView2.over39.setVisibility(View.VISIBLE);
break;
case 19:
balloonView2.over40.setVisibility(View.VISIBLE);
break;
case 20:
balloonView2.over41.setVisibility(View.VISIBLE);
break;
case 21:
balloonView2.over42.setVisibility(View.VISIBLE);
break;
case 22:
balloonView2.over43.setVisibility(View.VISIBLE);
break;
case 23:
balloonView2.over44.setVisibility(View.VISIBLE);
break;
case 24:
balloonView2.over45.setVisibility(View.VISIBLE);
break;
case 25:
balloonView2.over46.setVisibility(View.VISIBLE);
break;
case 26:
balloonView2.over47.setVisibility(View.VISIBLE);
break;
case 27:
balloonView2.over48.setVisibility(View.VISIBLE);
break;
case 28:
balloonView2.over49.setVisibility(View.VISIBLE);
break;
case 29:
balloonView2.over50.setVisibility(View.VISIBLE);
break;
case 30:
balloonView2.over51.setVisibility(View.VISIBLE);
break;
case 31:
balloonView2.over52.setVisibility(View.VISIBLE);
break;
case 32:
balloonView2.over32.setVisibility(View.VISIBLE);
break;
case 33:
balloonView2.over33.setVisibility(View.VISIBLE);
break;
case 34:
balloonView2.over34.setVisibility(View.VISIBLE);
break;
case 35:
balloonView2.over35.setVisibility(View.VISIBLE);
break;
case 36:
balloonView2.over36.setVisibility(View.VISIBLE);
break;
case 37:
balloonView2.over37.setVisibility(View.VISIBLE);
break;
case 38:
balloonView2.over38.setVisibility(View.VISIBLE);
break;
case 39:
balloonView2.over39.setVisibility(View.VISIBLE);
break;
case 40:
balloonView2.over40.setVisibility(View.VISIBLE);
break;
case 441:
balloonView2.over41.setVisibility(View.VISIBLE);
break;
case 42:
balloonView2.over42.setVisibility(View.VISIBLE);
break;
case 43:
balloonView2.over43.setVisibility(View.VISIBLE);
break;
case 44:
balloonView2.over44.setVisibility(View.VISIBLE);
break;
case 45:
balloonView2.over45.setVisibility(View.VISIBLE);
break;
case 46:
balloonView2.over46.setVisibility(View.VISIBLE);
break;
case 47:
balloonView2.over47.setVisibility(View.VISIBLE);
break;
case 48:
balloonView2.over48.setVisibility(View.VISIBLE);
break;
case 49:
balloonView2.over49.setVisibility(View.VISIBLE);
break;
case 50:
balloonView2.over50.setVisibility(View.VISIBLE);
break;
case 51:
balloonView2.over51.setVisibility(View.VISIBLE);
break;
case 52:
balloonView2.over52.setVisibility(View.VISIBLE);
break;
}
//////////////////////////////
List<Overlay> mapOverlays = mapView.getOverlays();
if (mapOverlays.size() > 1) {
hideOtherBalloons(mapOverlays);
}
balloonView2.setData(createItem(index));
MapView.LayoutParams params = new MapView.LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, point,
MapView.LayoutParams.BOTTOM_CENTER);
params.mode = MapView.LayoutParams.MODE_MAP;
setBalloonTouchListener(thisIndex);
balloonView2.setVisibility(View.VISIBLE);
if (isRecycled) {
balloonView2.setLayoutParams(params);
} else {
mapView.addView(balloonView2, params);
}
mc.animateTo(point);
return true;
}
/**
* Sets the visibility of this overlay's balloon view to GONE.
*/
private void hideBalloon() {
if (balloonView2 != null) {
balloonView2.setVisibility(View.GONE);
}
}
/**
* Hides the balloon view for any other BalloonItemizedOverlay instances
* that might be present on the MapView.
*
* @param overlays - list of overlays (including this) on the MapView.
*/
private void hideOtherBalloons(List<Overlay> overlays) {
for (Overlay overlay : overlays) {
if (overlay instanceof BalloonItemizedOverlay2<?> && overlay != this) {
((BalloonItemizedOverlay2<?>) overlay).hideBalloon();
}
}
}
/**
* Sets the onTouchListener for the balloon being displayed, calling the
* overridden onBalloonTap if implemented.
*
* @param thisIndex - The index of the item whose balloon is tapped.
*/
private void setBalloonTouchListener(final int thisIndex) {
try {
@SuppressWarnings("unused")
Method m = this.getClass().getDeclaredMethod("onBalloonTap", int.class);
clickRegion.setOnTouchListener(new OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
View l = ((View) v.getParent()).findViewById(R.id.balloon_main_layout);
Drawable d = l.getBackground();
if (event.getAction() == MotionEvent.ACTION_DOWN) {
int[] states = {android.R.attr.state_pressed};
if (d.setState(states)) {
d.invalidateSelf();
}
return true;
} else if (event.getAction() == MotionEvent.ACTION_UP) {
int newStates[] = {};
if (d.setState(newStates)) {
d.invalidateSelf();
}
// call overridden method
onBalloonTap(thisIndex);
return true;
} else {
return false;
}
}
});
} catch (SecurityException e) {
Log.e("BalloonItemizedOverlay", "setBalloonTouchListener reflection SecurityException");
return;
} catch (NoSuchMethodException e) {
// method not overridden - do nothing
return;
}
}
}
答案 0 :(得分：0)
试试这个：
mapView.getContext().startActivity();