Not working: CCLOG under Android in V2.2

I found CCLOG not working under Android in V2.2. I’ve tried these steps:

  1. I tried CCLog it works fine.
  2. I add COCOS2D_DEBUG=1 into build_native.sh after ndk build command:
    $NDK_ROOT/ndk-build COCOS2D_DEBUG=1 ……
    Not working.
  3. i add COCOS2D_DEBUG=1 into Android.mk & Application.mk like http://www.cocos2d-x.org/forums/6/topics/2365
    Still not woking.