Show app storage space

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

@@ -627,7 +627,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
                     }
 
                     private List<File> getFiles(File dir, long minSize) {
-                        List<File> files = new ArrayList();
+                        List<File> files = new ArrayList<>();
                         File[] listed = dir.listFiles();
                         if (listed != null)
                             for (File file : listed)
@@ -876,25 +876,45 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
         try {
             Log.i("Update usage");
 
-            Runtime rt = Runtime.getRuntime();
-            long hused = rt.totalMemory() - rt.freeMemory();
-            long hmax = rt.maxMemory();
-            long nheap = Debug.getNativeHeapAllocatedSize();
-            tvMemoryUsage.setText(getString(R.string.title_advanced_memory_usage,
-                    Helper.humanReadableByteCount(hused),
-                    Helper.humanReadableByteCount(hmax),
-                    Helper.humanReadableByteCount(nheap)));
-
-            tvStorageUsage.setText(getString(R.string.title_advanced_storage_usage,
-                    Helper.humanReadableByteCount(Helper.getAvailableStorageSpace()),
-                    Helper.humanReadableByteCount(Helper.getTotalStorageSpace())));
-
-            getView().postDelayed(new Runnable() {
+            new SimpleTask<StorageData>() {
                 @Override
-                public void run() {
-                    updateUsage();
+                protected StorageData onExecute(Context context, Bundle args) throws Throwable {
+                    StorageData data = new StorageData();
+                    Runtime rt = Runtime.getRuntime();
+                    data.hused = rt.totalMemory() - rt.freeMemory();
+                    data.hmax = rt.maxMemory();
+                    data.nheap = Debug.getNativeHeapAllocatedSize();
+                    data.available = Helper.getAvailableStorageSpace();
+                    data.total = Helper.getTotalStorageSpace();
+                    data.used = Helper.getSize(context.getFilesDir());
+                    return data;
                 }
-            }, 2500);
+
+                @Override
+                protected void onExecuted(Bundle args, StorageData data) {
+                    tvMemoryUsage.setText(getString(R.string.title_advanced_memory_usage,
+                            Helper.humanReadableByteCount(data.hused),
+                            Helper.humanReadableByteCount(data.hmax),
+                            Helper.humanReadableByteCount(data.nheap)));
+
+                    tvStorageUsage.setText(getString(R.string.title_advanced_storage_usage,
+                            Helper.humanReadableByteCount(data.available),
+                            Helper.humanReadableByteCount(data.total),
+                            Helper.humanReadableByteCount(data.used)));
+
+                    getView().postDelayed(new Runnable() {
+                        @Override
+                        public void run() {
+                            updateUsage();
+                        }
+                    }, 2500);
+                }
+
+                @Override
+                protected void onException(Bundle args, Throwable ex) {
+                    Log.e(ex);
+                }
+            }.execute(this, null, "usage");
         } catch (Throwable ex) {
             Log.e(ex);
         }
@@ -906,4 +926,13 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
                 getString(R.string.title_advanced_last_cleanup,
                         time < 0 ? "-" : DTF.format(time)));
     }
+
+    private static class StorageData {
+        private long hused;
+        private long hmax;
+        private long nheap;
+        private long available;
+        private long total;
+        private long used;
+    }
 }

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

@@ -1218,6 +1218,18 @@ public class Helper {
         return stats.getTotalBytes();
     }
 
+    static long getSize(File dir) {
+        long size = 0;
+        File[] listed = dir.listFiles();
+        if (listed != null)
+            for (File file : listed)
+                if (file.isDirectory())
+                    size += getSize(file);
+                else
+                    size += file.length();
+        return size;
+    }
+
     static void openAdvanced(Intent intent) {
         // https://issuetracker.google.com/issues/72053350
         intent.putExtra("android.content.extra.SHOW_ADVANCED", true);

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

@@ -1382,9 +1382,10 @@ public class Log {
         sb.append(String.format("Memory class: %d MB/%s\r\n",
                 am.getMemoryClass(), Helper.humanReadableByteCount(mi.totalMem)));
 
-        sb.append(String.format("Storage space: %s/%s\r\n",
+        sb.append(String.format("Storage space: %s/%s App: %s\r\n",
                 Helper.humanReadableByteCount(Helper.getAvailableStorageSpace()),
-                Helper.humanReadableByteCount(Helper.getTotalStorageSpace())));
+                Helper.humanReadableByteCount(Helper.getTotalStorageSpace()),
+                Helper.humanReadableByteCount(Helper.getSize(context.getFilesDir()))));
 
         Runtime rt = Runtime.getRuntime();
         long hused = (rt.totalMemory() - rt.freeMemory()) / 1024L;

app/src/main/res/values/strings.xml

@@ -545,7 +545,7 @@
     <string name="title_advanced_processors" translatable="false">Processors: %1$d</string>
     <string name="title_advanced_memory_class" translatable="false">Memory class: %1$s/%2$s Total: %3$s</string>
     <string name="title_advanced_memory_usage" translatable="false">Memory usage: %1$s/%2$s Native: %3$s</string>
-    <string name="title_advanced_storage_usage" translatable="false">Storage space: %1$s/%2$s</string>
+    <string name="title_advanced_storage_usage" translatable="false">Storage space: %1$s/%2$s App: %3$s</string>
     <string name="title_advanced_charsets" translatable="false">Charsets</string>
     <string name="title_advanced_ciphers" translatable="false">Ciphers</string>
     <string name="title_advanced_files" translatable="false">Files &gt;%1$s</string>