Refactoring

app/src/main/java/eu/faircode/email/FragmentOptionsMisc.java

@@ -296,7 +296,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
         tvMemoryClass.setText(getString(R.string.title_advanced_memory_class, class_mb + " MB"));
 
         tvStorageSpace.setText(getString(R.string.title_advanced_storage_space,
-                Helper.humanReadableByteCount(Helper.getStorageSpace(), true)));
+                Helper.humanReadableByteCount(Helper.getAvailableStorageSpace(), true)));
         tvFingerprint.setText(Helper.getFingerprint(getContext()));
 
         grpDebug.setVisibility(swDebug.isChecked() || BuildConfig.DEBUG ? View.VISIBLE : View.GONE);

app/src/main/java/eu/faircode/email/Helper.java

@@ -609,7 +609,7 @@ public class Helper {
             out.write(buf, 0, len);
     }
 
-    static long getStorageSpace() {
+    static long getAvailableStorageSpace() {
         StatFs stats = new StatFs(Environment.getDataDirectory().getAbsolutePath());
         return stats.getAvailableBlocksLong() * stats.getBlockSizeLong();
     }

app/src/main/java/eu/faircode/email/Log.java

@@ -776,7 +776,7 @@ public class Log {
         sb.append(String.format("Memory class: %d\r\n", am.getMemoryClass()));
 
         sb.append(String.format("Storage space: %s\r\n",
-                Helper.humanReadableByteCount(Helper.getStorageSpace(), true)));
+                Helper.humanReadableByteCount(Helper.getAvailableStorageSpace(), true)));
 
         Runtime rt = Runtime.getRuntime();
         long hused = (rt.totalMemory() - rt.freeMemory()) / 1024L;