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我擁有drawable-hdpi中的所有圖像。我是否需要將它們放入其他可繪製文件中?如果它與疊加層有什麼關係,有人可以給我一個關於如何用疊加層處理每條語句的例子嗎?我有分配給某些地方的圖像,我知道該代碼正在返回地點,但它不會將它們繪製在地圖上。
package com.CS3040.Places;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import com.CS3040.Coursework.R;
import com.google.android.maps.GeoPoint;
import com.google.android.maps.OverlayItem;
public class PlaceOverlayItem extends OverlayItem {
private final GeoPoint point;
private final Place place;
private final Drawable marker;
//private final Context context;
public PlaceOverlayItem(Context context, Place p, String type) {
super(p.getGeoPoint(), p.getName(), p.getFormatted_address());
if(type.equals("restaurant"))
{
//this.marker =
Bitmap bmp = BitmapFactory.decodeResource(context.getResources(), R.drawable.restaurant);
this.marker = new BitmapDrawable(context.getResources(), bmp);
//Drawable d = context.getResources().getDrawable(R.drawable.restaurant);
//d.setBounds(0, 0, d.getIntrinsicWidth(), d.getIntrinsicHeight());
//this.marker = d;
// Resources resources = context.getResources();
// Bitmap bmp = BitmapFactory.decodeResource(resources, R.drawable.restaurant);
// this.marker = new BitmapDrawable(resources, bmp);
}else if(type.equals("bar||club")){
Bitmap bmp = BitmapFactory.decodeResource(context.getResources(), R.drawable.bars);
this.marker = new BitmapDrawable(context.getResources(), bmp);
}else if(type.equals("amusement_park||aquarium||park||zoo")){
Bitmap bmp = BitmapFactory.decodeResource(context.getResources(), R.drawable.attractions);
this.marker = new BitmapDrawable(context.getResources(), bmp);
}else if(type.equals("hotel||motel||bread_and_breakfast")){
Bitmap bmp = BitmapFactory.decodeResource(context.getResources(), R.drawable.hotels);
this.marker = new BitmapDrawable(context.getResources(), bmp);
}else if(type.equals("shopping")){
Bitmap bmp = BitmapFactory.decodeResource(context.getResources(), R.drawable.shopping);
this.marker = new BitmapDrawable(context.getResources(), bmp);
}else if(type.equals("food||meal_takeaway")){
Bitmap bmp = BitmapFactory.decodeResource(context.getResources(), R.drawable.fastfood);
this.marker = new BitmapDrawable(context.getResources(), bmp);
}else{
this.marker = null;
}
super.setMarker(this.marker);
this.point = p.getGeoPoint();
this.place = p;
}
/**
* @return the point
*/
public GeoPoint getPoint() {
return point;
}
/**
* @return the place
*/
public Place getPlace() {
return place;
}
}