Saving data on internal storage in Android, can't open File. Context is always null
49
What is a NullPointerException, and how do I fix it?
47271
Taskbar > File Explorer > Context Menu failing me
53309
Why does 'fopen' return a NULL pointer?
31602
How to access my Android's files using Wi-Fi in Ubuntu?
76295
How to move app data to external SD card without root
52688
android Not allowed to load local resource:file:///android_asset
7636
SQLite Android . unable to open database file
56307
Android file delete leaves empty placeholder in Gallery
49119
Saving an entire Bundle to SharedPreferences
112249
My Application Could not open ServletContext resource
26367
Retrieve database or any other file from the Internal Storage using run-as
30977
MicroSD card is set to Read-only state. How can I write data on it?
11753
Java says FileNotFoundException but file exists
50208
Android startCamera gives me null Intent and ... does it destroy my global variable?
79760
Cannot store a value in local storage
149156
How to transfer files from/to an Android device with ADB via GUI?
92632
How to adopt SD card as internal storage on Samsung devices?