zewenhs

Background

Platform-Agnostic

• "Introduction to Bluetooth Low Energy" by Adafruit.

Android-Specific

• "Android Lollipop: Bluetooth LE Matures" - A nice overview video by Dave Smith. Focuses on Lollipop and newer.
• Fragmented Episode 45: "Bluetooth (LE) with Dave (devunwired) Smith" - Another great Dave Smith overview if you prefer the podcast format!

zewenhs

    public String getRealPathFromURI(Uri contentUri) {
         String res = null;
         String[] proj = { MediaStore.Images.Media.DATA };
         Cursor cursor = getContentResolver().query(contentUri, proj, null, null, null);
         if(null!=cursor&&cursor.moveToFirst()){;
             int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
             res = cursor.getString(column_index);
             cursor.close();
         }
         return res;