@Override
public boolean onTouch(View v, MotionEvent event){
switch(event.getAction())
{
case MotionEvent.ACTION_DOWN :
{
x = event.getX();
y = event.getY();
dx = x-myView.getX();
dy = y-myView.getY();
}
break;
case MotionEvent.ACTION_MOVE :
{
myView.setX(event.getX()-dx);
myView.setY(event.getY()-dy);
}
break;
case MotionEvent.ACTION_UP :
{
//your stuff
}
return true;
}
For API 8:
RelativeLayout.LayoutParams parms;
LinearLayout.LayoutParams par;
float dx=0,dy=0,x=0,y=0;
@Override
public boolean onTouch(View v, MotionEvent event) {
switch(event.getAction())
{
case MotionEvent.ACTION_DOWN :
{
parms = (LayoutParams) myView.getLayoutParams();
par = (LinearLayout.LayoutParams) getWindow().findViewById(Window.ID_ANDROID_CONTENT).getLayoutParams();
dx = event.getRawX() - parms.leftMargin;
dy = event.getRawY() - parms.topMargin;
}
break;
case MotionEvent.ACTION_MOVE :
{
x = event.getRawX();
y = event.getRawY();
parms.leftMargin = (int) (x-dx);
parms.topMargin = (int) (y - dy);
myView.setLayoutParams(parms);
}
break;
case MotionEvent.ACTION_UP :
{
}
break;
}
return true;
}