Checking if App is used for the first time in 3 lines of code
File file=new File("path");
boolean exists=!file.createNewFile();
if(exists==false)
//do somethingthe point is to check if an empty file exists, if it doesn't then, yes, your app is running for the
first time
Written by iostreamer
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3 Responses
Pretty Cool, but i recommend using SharedPreferences
SharedPreferences preferences = getSharedPreferences("myprefs", MODE_PRIVATE);
if (preferences.getBoolean("firstLogin", true)) {
SharedPreferences.Editor editor = preferences.edit();
editor.putString("firstLogin", false);
editor.commit();
}References: http://developer.android.com/reference/android/content/SharedPreferences.html
if you use the form, you'll have to give write permission to the file system if it is not used elsewhere, will be an unnecessary permission
Shared Preferences
Store private primitive data in key-value pairs.
Internal Storage
Store private data on the device memory.
External Storage
Store public data on the shared external storage.
SQLite Databases
Store structured data in a private database.
Network Connection
Store data on the web with your own network server.
http://developer.android.com/guide/topics/data/data-storage.html
true that, I used this only because I was already doing file handling. If file handling isn't involved in one's app then this thing is pretty much useless
