android imageView: setting drag and pinch zoom parameters

Question

I am currently developing for Android (my first app) an application which lets users see the subway map and be able to pinch zoom and drag around.

I am currently mod

Answer 1

you can use following code to limit bottom and right

float maxX = minX+viewWidth; 
int offsetY = 80;
        float maxY = minY+viewHeight-offsetY;
       if(x>maxX){
           mPosX = maxX;
       }
       if(xmaxY){
           mPosY = maxY;
       }
       if(y