fixes #3645 修正UISamples崩溃的问题。
Merge pull request #28 from chengstory/Bug#3645

fixes #3645 修正UISamples崩溃的问题。
Merge pull request #29 from nutty898/master

build android project succeeded
fixes #3649 修正中文乱码终极版。
fixes #3649
Merge pull request #31 from chengstory/Bug#3649

Bug#3649
Merge pull request #32 from nutty898/master

fixed "null" path bug