設置圖像2

Question

我使用這部分代碼在谷歌地圖版本添加標記在MapFragment 2.

MarkerOptions op = new MarkerOptions(); 
op.position(point) 
    .title(Location_ArrayList.get(j).getCity_name()) 
    .snippet(Location_ArrayList.get(j).getVenue_name()) 
    .draggable(true); 
m = map.addMarker(op); 
markers.add(m); 

我想從我的繪製使用不同的圖像。任何幫助將不勝感激。

Answer 1

這是如何將Drawable設置爲Marker。

BitmapDescriptor icon = BitmapDescriptorFactory.fromResource(R.drawable.current_position_tennis_ball) 

MarkerOptions markerOptions = new MarkerOptions().position(latLng) 
     .title("Current Location") 
     .snippet("Thinking of finding some thing...") 
     .icon(icon); 

mMarker = googleMap.addMarker(markerOptions); 

---

VectorDrawables和XML基於Drawables做不這項工作。

Answer 2

如果您Drawable創建編程（所以你自己也沒有資源），您可以使用此：

Drawable d = ... // programatically create drawable 
Canvas canvas = new Canvas(); 
Bitmap bitmap = Bitmap.createBitmap(d.getIntrinsicWidth(), d.getIntrinsicHeight(), Bitmap.Config.ARGB_8888); 
canvas.setBitmap(bitmap); 
d.draw(canvas); 
BitmapDescriptor bd = BitmapDescriptorFactory.fromBitmap(bitmap); 

然後你有BitmapDescriptor，您可以傳遞到MarkerOptions。

Answer 3

@Lukas Novak答案沒有顯示任何內容，因爲您還必須設置Drawable的界限。
這適用於任何drawable。這裏是一個完全工作示例：

public void drawMarker() { 
    Drawable circleDrawable = getResources().getDrawable(R.drawable.circle_shape); 
    BitmapDescriptor markerIcon = getMarkerIconFromDrawable(circleDrawable); 

    googleMap.addMarker(new MarkerOptions() 
      .position(new LatLng(41.906991, 12.453360)) 
      .title("My Marker") 
      .icon(markerIcon) 
    ); 
} 

private BitmapDescriptor getMarkerIconFromDrawable(Drawable drawable) { 
    Canvas canvas = new Canvas(); 
    Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888); 
    canvas.setBitmap(bitmap); 
    drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight()); 
    drawable.draw(canvas); 
    return BitmapDescriptorFactory.fromBitmap(bitmap); 
} 

circle_shape.xml

<?xml version="1.0" encoding="utf-8"?> 
<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="oval"> 
    <size android:width="20dp" android:height="20dp"/> 
    <solid android:color="#ff00ff"/> 
</shape>