The common AndroidCodeAndroid program that can't be confused, please keep it as follows when the code is confused. \x0d\\x0d\ Android system components, system components have fixed methods for system calls. \x0d\\x0d\ is referenced by Android resource file. Names are fixed and cannot be confused, such as custom views. \x0d\\x0d\ android Parcelable, requires android serialization. \x0d\\x0d\ Other Anroid official suggestions should not be confused, such as \ x0d \ \ x0d \ android.app.backup agent helper \ x0d \ android.preference.preference \ x0d \ com.android.vending.licensing.service \. \x0d\\x0d\ enumeration, the system needs to handle fixed enumeration methods. \x0d\\x0d\ local method, local method name \ x0d \ \ annotations \ x0d \ \ databasedriver \ x0d \ \ x0d \ some resource files \ x0d \ \ usereflection cannot be modified.