this.getExternalCacheDir()为空?
File file4 = this.getExternalCacheDir();
System.out.println(file4.toString());
运行报异常file4为空,为什么,我用的android4.3的jar包:
File file4 = this.getExternalCacheDir();
System.out.println(file4.toString());
运行报异常file4为空,为什么,我用的android4.3的jar包:
2016-01-14
举报