如何使用水平滚动在单行中的文本视图中设置长字符串

actually i have keep one scrollview. Inside that scroll view I set one textview at run time I want to set text in that textview. The string which I'm going to set is some what big in length so i could not get the string in a single line and i can get my string two or three lines. My scroll view layout width size is 250px. I dont want to exceed that size...My expectation is i want to see that string within that scrollview as single line if the string is exceeds the scroll size then it should horizontally scroll in text view. I tried some functions like setting horizontal scroll to scrollview and textview but nothing is work out. Pls help me how to solve this problem.actually i have keep one scrollview. Inside tha