android - How to prevent reverse engineering apk to get server login? -


i'm trying find way make android app secure before releasing it. i'm using https/ssl server communication, hidden password protected directories on server app talks to. in directories app interfaces php scripts handle communication server data. biggest vulnerability see use of literal strings in apk file access server password protected directories php scripts are. these literal strings detected binary inspection or possibly attaching debugger. i've read far it's not possible obfuscate literal string.

my question is, how can prevent discovery of passwords hidden directories operating php scripts are? alternately, other approach should taking keep server logins secure , reduce chance of server attacks?

i think best approach verify app's signing certificate @ run time. don't need hard-code credentials in app. facebook sdk using it. please @ following.


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