Android上获取单个应用内使用的class名称

枚举出单个apk包内使用的所有class方法如下：

try {
path = context.getPackageManager().getApplicationInfo(packageName, 0).sourceDir;// 获得某个程序的APK路径
} catch (NameNotFoundException e) {
e.printStackTrace();
}
try {
DexFile dexFile = new DexFile(path);// get dex file of APK
Enumeration<String> entries = dexFile.entries();
while (entries.hasMoreElements()) {// travel all classes
String className = (String) entries.nextElement();
}

} catch (IOException e) {
e.printStackTrace();
}