how to know how many shared preference in shared preferences in android -

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i want know how many shared preference in shared preferences found in file explorer coding , there method return total number of shared preferences ?

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to number of entries can use 

sharedpreferencesinstance.getall().size()

to retrieve keys stored can use keyset(), shown in following snippet:

sharedpreferences prefs = this.getsharedpreferences("myshared", context.mode_private); map<string,?> entries = prefs.getall(); set<string> keys = entries.keyset(); (string key : keys) {  }

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