public SlidingMenu(Context context,AttributeSet attrs)

{

this(context,attrs,0);

}

（粗体区域报错)

public SlidingMenu(Context context, AttributeSet attrs, int defStyleAttr,

int defStyle) {

super(context,attrs,defStyle);

TypedArray a =  context.getTheme().obtainStyledAttributes(attrs,

R.styleable.SlidingMenu,defStyle,0);

int n = a.getIndexCount();

for(int i = 0;i<n;i++)

{

int attr = a.getIndex(i);

switch (attr)

{

case R.styleable.SlidingMenu_rightPadding:

mMenuRightPadding = a.getDimensionPixelSize(attr, (int)TypedValue.applyDimension(

TypedValue.COMPLEX_UNIT_DIP,50,context.getResources()

.getDisplayMetrics()));

break;

}

}

a.recycle();

WindowManager wm = (WindowManager) context

.getSystemService(Context.WINDOW_SERVICE);

DisplayMetrics outMetrics = new DisplayMetrics();

wm.getDefaultDisplay().getMetrics(outMetrics);

mScreenWidth = outMetrics.widthPixels;

}