Update opoc

Update shared helper utilities of my projects to latest state

app/src/main/java/net/gsantner/opoc/activity/GsFragmentBase.java

@@ -16,6 +16,7 @@ import android.support.annotation.LayoutRes;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.v4.app.Fragment;
+import android.support.v7.widget.Toolbar;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.Menu;
@@ -143,4 +144,17 @@ public abstract class GsFragmentBase extends Fragment {
     public Menu getFragmentMenu() {
         return _fragmentMenu;
     }
+
+    /**
+     * Get the toolbar from activity
+     * Requires id to be set to @+id/toolbar
+     */
+    @SuppressWarnings("ConstantConditions")
+    protected Toolbar getToolbar() {
+        try {
+            return (Toolbar) getActivity().findViewById(new ContextUtils(getActivity()).getResId(ContextUtils.ResType.ID, "toolbar"));
+        } catch (Exception e) {
+            return null;
+        }
+    }
 }

app/src/main/java/net/gsantner/opoc/preference/SharedPreferencesPropertyBackend.java

@@ -547,7 +547,7 @@ public class SharedPreferencesPropertyBackend implements PropertyBackend<String,
      */
     public Date getDateOfDaysAgo(int days) {
         Calendar cal = new GregorianCalendar();
-        cal.add(Calendar.DAY_OF_MONTH, -days);
+        cal.add(Calendar.DATE, -days);
         return cal.getTime();
     }
 

app/src/main/java/net/gsantner/opoc/ui/SearchOrCustomTextDialog.java

@@ -11,8 +11,11 @@
 package net.gsantner.opoc.ui;
 
 import android.app.Activity;
+import android.content.res.ColorStateList;
+import android.graphics.Color;
 import android.graphics.Typeface;
 import android.os.AsyncTask;
+import android.os.Build;
 import android.support.annotation.ColorInt;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
@@ -23,6 +26,7 @@ import android.support.v7.widget.AppCompatEditText;
 import android.text.Editable;
 import android.text.TextUtils;
 import android.text.TextWatcher;
+import android.view.Gravity;
 import android.view.KeyEvent;
 import android.view.View;
 import android.view.ViewGroup;
@@ -56,9 +60,14 @@ public class SearchOrCustomTextDialog {
         public Callback.a1<String> callback;
         public List<? extends CharSequence> data = new ArrayList<>();
         public List<? extends CharSequence> highlightData = new ArrayList<>();
+        public List<Integer> iconsForData = new ArrayList<>();
         public String messageText = "";
         public boolean isSearchEnabled = true;
         public boolean isDarkDialog = false;
+        public int dialogWidthDp = WindowManager.LayoutParams.MATCH_PARENT;
+        public int dialogHeightDp = WindowManager.LayoutParams.WRAP_CONTENT;
+        public int gravity = Gravity.NO_GRAVITY;
+        public int searchInputType = 0;
 
         @ColorInt
         public int textColor = 0xFF000000;
@@ -89,6 +98,17 @@ public class SearchOrCustomTextDialog {
                 TextView textView = (TextView) super.getView(pos, convertView, parent);
                 String text = textView.getText().toString();
 
+                int posInOriginalList = dopt.data.indexOf(text);
+                if (posInOriginalList >= 0 && dopt.iconsForData != null && posInOriginalList < dopt.iconsForData.size() && dopt.iconsForData.get(posInOriginalList) != 0) {
+                    textView.setCompoundDrawablesWithIntrinsicBounds(dopt.iconsForData.get(posInOriginalList), 0, 0, 0);
+                    textView.setCompoundDrawablePadding(32);
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                        textView.setCompoundDrawableTintList(ColorStateList.valueOf(dopt.isDarkDialog ? Color.WHITE : Color.BLACK));
+                    }
+                } else {
+                    textView.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
+                }
+
                 boolean hl = dopt.highlightData.contains(text);
                 textView.setTextColor(hl ? dopt.highlightColor : dopt.textColor);
                 textView.setTypeface(null, hl ? Typeface.BOLD : Typeface.NORMAL);
@@ -132,6 +152,7 @@ public class SearchOrCustomTextDialog {
         searchEditText.setTextColor(dopt.textColor);
         searchEditText.setHintTextColor((dopt.textColor & 0x00FFFFFF) | 0x99000000);
         searchEditText.setHint(dopt.searchHintText);
+        searchEditText.setInputType(dopt.searchInputType == 0 ? searchEditText.getInputType() : dopt.searchInputType);
 
         searchEditText.addTextChangedListener(new TextWatcher() {
             @Override
@@ -166,9 +187,11 @@ public class SearchOrCustomTextDialog {
             dialogBuilder.setMessage(dopt.messageText);
         }
         dialogBuilder.setView(linearLayout)
-                .setTitle(dopt.titleText)
                 .setOnCancelListener(null)
                 .setNegativeButton(dopt.cancelButtonText, (dialogInterface, i) -> dialogInterface.dismiss());
+        if (dopt.titleText != 0) {
+            dialogBuilder.setTitle(dopt.titleText);
+        }
         if (dopt.isSearchEnabled) {
             dialogBuilder.setPositiveButton(dopt.okButtonText, (dialogInterface, i) -> {
                 dialogInterface.dismiss();
@@ -204,7 +227,15 @@ public class SearchOrCustomTextDialog {
         }
         dialog.show();
         if ((w = dialog.getWindow()) != null) {
-            w.setLayout(WindowManager.LayoutParams.MATCH_PARENT, WindowManager.LayoutParams.WRAP_CONTENT);
+            int ds_w = dopt.dialogWidthDp < 100 ? dopt.dialogWidthDp : ((int) (dopt.dialogWidthDp * activity.getResources().getDisplayMetrics().density));
+            int ds_h = dopt.dialogHeightDp < 100 ? dopt.dialogHeightDp : ((int) (dopt.dialogHeightDp * activity.getResources().getDisplayMetrics().density));
+            w.setLayout(ds_w, ds_h);
+        }
+
+        if ((w = dialog.getWindow()) != null && dopt.gravity != Gravity.NO_GRAVITY) {
+            WindowManager.LayoutParams wlp = w.getAttributes();
+            wlp.gravity = dopt.gravity;
+            w.setAttributes(wlp);
         }
 
         if (dopt.isSearchEnabled) {

app/src/main/java/net/gsantner/opoc/util/Callback.java

@@ -12,6 +12,11 @@ package net.gsantner.opoc.util;
 
 @SuppressWarnings("unused")
 public class Callback {
+
+    public interface a0 {
+        void callback();
+    }
+
     public interface a1<A> {
         void callback(A arg1);
     }

app/src/main/java/net/gsantner/opoc/util/ContextUtils.java

@@ -41,6 +41,8 @@ import android.net.Uri;
 import android.os.Build;
 import android.os.Environment;
 import android.os.SystemClock;
+import android.os.VibrationEffect;
+import android.os.Vibrator;
 import android.support.annotation.ColorInt;
 import android.support.annotation.ColorRes;
 import android.support.annotation.DrawableRes;
@@ -51,7 +53,9 @@ import android.support.graphics.drawable.VectorDrawableCompat;
 import android.support.v4.app.ActivityManagerCompat;
 import android.support.v4.content.ContextCompat;
 import android.support.v4.graphics.drawable.DrawableCompat;
+import android.support.v4.text.TextUtilsCompat;
 import android.support.v4.util.Pair;
+import android.support.v4.view.ViewCompat;
 import android.text.Html;
 import android.text.InputFilter;
 import android.text.SpannableString;
@@ -82,10 +86,11 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
 
+import static android.content.Context.VIBRATOR_SERVICE;
 import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
 import static android.graphics.Bitmap.CompressFormat;
 
-@SuppressWarnings({"WeakerAccess", "unused", "SameParameterValue", "ObsoleteSdkInt", "deprecation", "SpellCheckingInspection"})
+@SuppressWarnings({"WeakerAccess", "unused", "SameParameterValue", "ObsoleteSdkInt", "deprecation", "SpellCheckingInspection", "TryFinallyCanBeTryWithResources", "UnusedAssignment"})
 public class ContextUtils {
     //
     // Members, Constructors
@@ -117,21 +122,29 @@ public class ContextUtils {
      *
      * @return A valid id if the id could be found, else 0
      */
-    public int getResId(ResType resType, final String name) {
+    public int getResId(final ResType resType, final String name) {
+        try {
             return _context.getResources().getIdentifier(name, resType.name().toLowerCase(), _context.getPackageName());
+        } catch (Exception e) {
+            return 0;
+        }
     }
 
     /**
      * Get String by given string ressource id (nuermic)
      */
-    public String rstr(@StringRes int strResId) {
+    public String rstr(@StringRes final int strResId) {
+        try {
             return _context.getString(strResId);
+        } catch (Exception e) {
+            return null;
+        }
     }
 
     /**
      * Get String by given string ressource identifier (textual)
      */
-    public String rstr(String strResKey) {
+    public String rstr(final String strResKey) {
         try {
             return rstr(getResId(ResType.STRING, strResKey));
         } catch (Resources.NotFoundException e) {
@@ -142,14 +155,22 @@ public class ContextUtils {
     /**
      * Get drawable from given ressource identifier
      */
-    public Drawable rdrawable(@DrawableRes int resId) {
+    public Drawable rdrawable(@DrawableRes final int resId) {
+        try {
             return ContextCompat.getDrawable(_context, resId);
+        } catch (Exception e) {
+            return null;
+        }
     }
 
     /**
      * Get color by given color ressource id
      */
-    public int rcolor(@ColorRes int resId) {
+    public int rcolor(@ColorRes final int resId) {
+        if (resId == 0) {
+            Log.e(getClass().getName(), "ContextUtils::rcolor: resId is 0!");
+            return Color.BLACK;
+        }
         return ContextCompat.getColor(_context, resId);
     }
 
@@ -175,12 +196,12 @@ public class ContextUtils {
      * @param intColor  The color coded in int
      * @param withAlpha Optional; Set first bool parameter to true to also include alpha value
      */
-    public String colorToHexString(int intColor, boolean... withAlpha) {
+    public static String colorToHexString(final int intColor, final boolean... withAlpha) {
         boolean a = withAlpha != null && withAlpha.length >= 1 && withAlpha[0];
         return String.format(a ? "#%08X" : "#%06X", (a ? 0xFFFFFFFF : 0xFFFFFF) & intColor);
     }
 
-    public String getAndroidVersion() {
+    public static String getAndroidVersion() {
         return Build.VERSION.RELEASE + " (" + Build.VERSION.SDK_INT + ")";
     }
 
@@ -205,7 +226,7 @@ public class ContextUtils {
             src = _context.getPackageManager().getInstallerPackageName(getPackageIdManifest());
         } catch (Exception ignored) {
         }
-        if (TextUtils.isEmpty(src)) {
+        if (src == null || src.trim().isEmpty()) {
             return "Sideloaded";
         } else if (src.toLowerCase().contains(".amazon.")) {
             return "Amazon Appstore";
@@ -213,7 +234,7 @@ public class ContextUtils {
         switch (src) {
             case "com.android.vending":
             case "com.google.android.feedback": {
-                return "Google Play Store";
+                return "Google Play";
             }
             case "org.fdroid.fdroid.privileged":
             case "org.fdroid.fdroid": {
@@ -237,12 +258,12 @@ public class ContextUtils {
      * If the parameter is an string a browser will get triggered
      */
     public void openWebpageInExternalBrowser(final String url) {
+        try {
             Uri uri = Uri.parse(url);
             Intent intent = new Intent(Intent.ACTION_VIEW, uri);
             intent.addFlags(FLAG_ACTIVITY_NEW_TASK);
-        try {
             _context.startActivity(intent);
-        } catch (ActivityNotFoundException e) {
+        } catch (Exception e) {
             e.printStackTrace();
         }
     }
@@ -252,7 +273,7 @@ public class ContextUtils {
      */
     public String getPackageIdManifest() {
         String pkg = rstr("manifest_package_id");
-        return pkg != null ? pkg : _context.getPackageName();
+        return !TextUtils.isEmpty(pkg) ? pkg : _context.getPackageName();
     }
 
     /**
@@ -270,7 +291,7 @@ public class ContextUtils {
      * of the package set in manifest (root element).
      * Falls back to applicationId of the app which may differ from manifest.
      */
-    public Object getBuildConfigValue(String fieldName) {
+    public Object getBuildConfigValue(final String fieldName) {
         String pkg = getPackageIdManifest() + ".BuildConfig";
         try {
             Class<?> c = Class.forName(pkg);
@@ -284,9 +305,9 @@ public class ContextUtils {
     /**
      * Get a BuildConfig bool value
      */
-    public Boolean bcbool(String fieldName, Boolean defaultValue) {
+    public Boolean bcbool(final String fieldName, final Boolean defaultValue) {
         Object field = getBuildConfigValue(fieldName);
-        if (field != null && field instanceof Boolean) {
+        if (field instanceof Boolean) {
             return (Boolean) field;
         }
         return defaultValue;
@@ -295,9 +316,9 @@ public class ContextUtils {
     /**
      * Get a BuildConfig string value
      */
-    public String bcstr(String fieldName, String defaultValue) {
+    public String bcstr(final String fieldName, final String defaultValue) {
         Object field = getBuildConfigValue(fieldName);
-        if (field != null && field instanceof String) {
+        if (field instanceof String) {
             return (String) field;
         }
         return defaultValue;
@@ -306,9 +327,9 @@ public class ContextUtils {
     /**
      * Get a BuildConfig string value
      */
-    public Integer bcint(String fieldName, int defaultValue) {
+    public Integer bcint(final String fieldName, final int defaultValue) {
         Object field = getBuildConfigValue(fieldName);
-        if (field != null && field instanceof Integer) {
+        if (field instanceof Integer) {
             return (Integer) field;
         }
         return defaultValue;
@@ -396,8 +417,8 @@ public class ContextUtils {
      * Check if app with given {@code packageName} is installed
      */
     public boolean isAppInstalled(String packageName) {
-        PackageManager pm = _context.getApplicationContext().getPackageManager();
         try {
+            PackageManager pm = _context.getApplicationContext().getPackageManager();
             pm.getPackageInfo(packageName, PackageManager.GET_ACTIVITIES);
             return true;
         } catch (PackageManager.NameNotFoundException e) {
@@ -409,17 +430,17 @@ public class ContextUtils {
      * Restart the current app. Supply the class to start on startup
      */
     public void restartApp(Class classToStart) {
-        Intent inte = new Intent(_context, classToStart);
+        Intent intent = new Intent(_context, classToStart);
-        PendingIntent inteP = PendingIntent.getActivity(_context, 555, inte, PendingIntent.FLAG_CANCEL_CURRENT);
+        PendingIntent pendi = PendingIntent.getActivity(_context, 555, intent, PendingIntent.FLAG_CANCEL_CURRENT);
         AlarmManager mgr = (AlarmManager) _context.getSystemService(Context.ALARM_SERVICE);
         if (_context instanceof Activity) {
             ((Activity) _context).finish();
         }
         if (mgr != null) {
-            mgr.set(AlarmManager.RTC, System.currentTimeMillis() + 100, inteP);
+            mgr.set(AlarmManager.RTC, System.currentTimeMillis() + 100, pendi);
         } else {
-            inte.addFlags(FLAG_ACTIVITY_NEW_TASK);
+            intent.addFlags(FLAG_ACTIVITY_NEW_TASK);
-            _context.startActivity(inte);
+            _context.startActivity(intent);
         }
         Runtime.getRuntime().exit(0);
     }
@@ -488,19 +509,25 @@ public class ContextUtils {
      * {@code androidLC} may be in any of the forms: en, de, de-rAt
      * If given an empty string, the default (system) locale gets loaded
      */
-    public void setAppLanguage(String androidLC) {
+    public void setAppLanguage(final String androidLC) {
         Locale locale = getLocaleByAndroidCode(androidLC);
+        locale = (locale != null && !androidLC.isEmpty()) ? locale : Resources.getSystem().getConfiguration().locale;
+        setLocale(locale);
+    }
+
+    public ContextUtils setLocale(final Locale locale) {
         Configuration config = _context.getResources().getConfiguration();
-        config.locale = (locale != null && !androidLC.isEmpty())
+        config.locale = (locale != null ? locale : Resources.getSystem().getConfiguration().locale);
-                ? locale : Resources.getSystem().getConfiguration().locale;
         _context.getResources().updateConfiguration(config, null);
+        Locale.setDefault(locale);
+        return this;
     }
 
     /**
      * Try to guess if the color on top of the given {@code colorOnBottomInt}
      * should be light or dark. Returns true if top color should be light
      */
-    public boolean shouldColorOnTopBeLight(@ColorInt int colorOnBottomInt) {
+    public boolean shouldColorOnTopBeLight(@ColorInt final int colorOnBottomInt) {
         return 186 > (((0.299 * Color.red(colorOnBottomInt))
                 + ((0.587 * Color.green(colorOnBottomInt))
                 + (0.114 * Color.blue(colorOnBottomInt)))));
@@ -509,7 +536,7 @@ public class ContextUtils {
     /**
      * Convert a html string to an android {@link Spanned} object
      */
-    public Spanned htmlToSpanned(String html) {
+    public Spanned htmlToSpanned(final String html) {
         Spanned result;
         if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
             result = Html.fromHtml(html, Html.FROM_HTML_MODE_LEGACY);
@@ -568,7 +595,7 @@ public class ContextUtils {
         return dirs;
     }
 
-    public String getStorageName(File externalFileDir, boolean storageNameWithoutType) {
+    public String getStorageName(final File externalFileDir, final boolean storageNameWithoutType) {
         boolean isInt = externalFileDir.getAbsolutePath().startsWith(Environment.getExternalStorageDirectory().getAbsolutePath());
 
         String[] split = externalFileDir.getAbsolutePath().split("/");
@@ -579,7 +606,7 @@ public class ContextUtils {
         }
     }
 
-    public List<Pair<File, String>> getStorages(boolean internalStorageFolder, boolean sdcardFolders) {
+    public List<Pair<File, String>> getStorages(final boolean internalStorageFolder, final boolean sdcardFolders) {
         List<Pair<File, String>> storages = new ArrayList<>();
         for (Pair<File, String> pair : getAppDataPublicDirs(internalStorageFolder, sdcardFolders, true)) {
             if (pair.first != null && pair.first.getAbsolutePath().lastIndexOf("/Android/data") > 0) {
@@ -592,7 +619,7 @@ public class ContextUtils {
         return storages;
     }
 
-    public File getStorageRootFolder(File file) {
+    public File getStorageRootFolder(final File file) {
         String filepath;
         try {
             filepath = file.getCanonicalPath();
@@ -613,7 +640,7 @@ public class ContextUtils {
      *
      * @param files Files and folders to scan
      */
-    public void mediaScannerScanFile(File... files) {
+    public void mediaScannerScanFile(final File... files) {
         if (android.os.Build.VERSION.SDK_INT > 19) {
             String[] paths = new String[files.length];
             for (int i = 0; i < files.length; i++) {
@@ -662,8 +689,12 @@ public class ContextUtils {
     /**
      * Get a {@link Bitmap} out of a {@link DrawableRes}
      */
-    public Bitmap drawableToBitmap(@DrawableRes int drawableId) {
+    public Bitmap drawableToBitmap(@DrawableRes final int drawableId) {
+        try {
             return drawableToBitmap(ContextCompat.getDrawable(_context, drawableId));
+        } catch (Exception e) {
+            return null;
+        }
     }
 
     /**
@@ -671,7 +702,7 @@ public class ContextUtils {
      * Specifying a {@code maxDimen} is also possible and a value below 2000
      * is recommended, otherwise a {@link OutOfMemoryError} may occur
      */
-    public Bitmap loadImageFromFilesystem(File imagePath, int maxDimen) {
+    public Bitmap loadImageFromFilesystem(final File imagePath, final int maxDimen) {
         BitmapFactory.Options options = new BitmapFactory.Options();
         options.inJustDecodeBounds = true;
         BitmapFactory.decodeFile(imagePath.getAbsolutePath(), options);
@@ -687,7 +718,7 @@ public class ContextUtils {
      * @param maxDimen Max size of the Bitmap (width or height)
      * @return the scaling factor that needs to be applied to the bitmap
      */
-    public int calculateInSampleSize(BitmapFactory.Options options, int maxDimen) {
+    public int calculateInSampleSize(final BitmapFactory.Options options, final int maxDimen) {
         // Raw height and width of image
         int height = options.outHeight;
         int width = options.outWidth;
@@ -703,7 +734,7 @@ public class ContextUtils {
      * Scale the bitmap so both dimensions are lower or equal to {@code maxDimen}
      * This keeps the aspect ratio
      */
-    public Bitmap scaleBitmap(Bitmap bitmap, int maxDimen) {
+    public Bitmap scaleBitmap(final Bitmap bitmap, final int maxDimen) {
         int picSize = Math.min(bitmap.getHeight(), bitmap.getWidth());
         float scale = 1.f * maxDimen / picSize;
         Matrix matrix = new Matrix();
@@ -714,7 +745,7 @@ public class ContextUtils {
     /**
      * Write the given {@link Bitmap} to {@code imageFile}, in {@link CompressFormat#JPEG} format
      */
-    public boolean writeImageToFileJpeg(File imageFile, Bitmap image) {
+    public boolean writeImageToFileJpeg(final File imageFile, final Bitmap image) {
         return writeImageToFile(imageFile, image, Bitmap.CompressFormat.JPEG, 95);
     }
 
@@ -727,7 +758,7 @@ public class ContextUtils {
      * @param quality    Quality level, defaults to 95
      * @return True if writing was successful
      */
-    public boolean writeImageToFile(File targetFile, Bitmap image, CompressFormat format, Integer quality) {
+    public boolean writeImageToFile(final File targetFile, final Bitmap image, CompressFormat format, Integer quality) {
         File folder = new File(targetFile.getParent());
         if (quality == null || quality < 0 || quality > 100) {
             quality = 95;
@@ -765,7 +796,7 @@ public class ContextUtils {
      * Draw text in the center of the given {@link DrawableRes}
      * This may be useful for e.g. badge counts
      */
-    public Bitmap drawTextOnDrawable(@DrawableRes int drawableRes, String text, int textSize) {
+    public Bitmap drawTextOnDrawable(@DrawableRes final int drawableRes, final String text, final int textSize) {
         Resources resources = _context.getResources();
         float scale = resources.getDisplayMetrics().density;
         Bitmap bitmap = drawableToBitmap(drawableRes);
@@ -790,7 +821,7 @@ public class ContextUtils {
      * Try to tint all {@link Menu}s {@link MenuItem}s with given color
      */
     @SuppressWarnings("ConstantConditions")
-    public void tintMenuItems(Menu menu, boolean recurse, @ColorInt int iconColor) {
+    public void tintMenuItems(final Menu menu, final boolean recurse, @ColorInt final int iconColor) {
         for (int i = 0; i < menu.size(); i++) {
             MenuItem item = menu.getItem(i);
             try {
@@ -807,14 +838,14 @@ public class ContextUtils {
     /**
      * Loads {@link Drawable} by given {@link DrawableRes} and applies a color
      */
-    public Drawable tintDrawable(@DrawableRes int drawableRes, @ColorInt int color) {
+    public Drawable tintDrawable(@DrawableRes final int drawableRes, @ColorInt final int color) {
         return tintDrawable(rdrawable(drawableRes), color);
     }
 
     /**
      * Tint a {@link Drawable} with given {@code color}
      */
-    public Drawable tintDrawable(@Nullable Drawable drawable, @ColorInt int color) {
+    public Drawable tintDrawable(@Nullable Drawable drawable, @ColorInt final int color) {
         if (drawable != null) {
             drawable = DrawableCompat.wrap(drawable);
             DrawableCompat.setTint(drawable.mutate(), color);
@@ -826,7 +857,10 @@ public class ContextUtils {
      * Try to make icons in Toolbar/ActionBars SubMenus visible
      * This may not work on some devices and it maybe won't work on future android updates
      */
-    public void setSubMenuIconsVisiblity(Menu menu, boolean visible) {
+    public void setSubMenuIconsVisiblity(final Menu menu, final boolean visible) {
+        if (TextUtilsCompat.getLayoutDirectionFromLocale(Locale.getDefault()) == ViewCompat.LAYOUT_DIRECTION_RTL) {
+            return;
+        }
         if (menu.getClass().getSimpleName().equals("MenuBuilder")) {
             try {
                 @SuppressLint("PrivateApi") Method m = menu.getClass().getDeclaredMethod("setOptionalIconsVisible", Boolean.TYPE);
@@ -886,7 +920,7 @@ public class ContextUtils {
     }
 
 
-    public String getMimeType(File file) {
+    public String getMimeType(final File file) {
         return getMimeType(Uri.fromFile(file));
     }
 
@@ -895,7 +929,7 @@ public class ContextUtils {
      * Android/Java's own MimeType map is very very small and detection barely works at all
      * Hence use custom map for some file extensions
      */
-    public String getMimeType(Uri uri) {
+    public String getMimeType(final Uri uri) {
         String mimeType = null;
         if (ContentResolver.SCHEME_CONTENT.equals(uri.getScheme())) {
             ContentResolver cr = _context.getContentResolver();
@@ -936,7 +970,7 @@ public class ContextUtils {
         return mimeType;
     }
 
-    public Integer parseColor(String colorstr) {
+    public Integer parseColor(final String colorstr) {
         if (colorstr == null || colorstr.trim().isEmpty()) {
             return null;
         }
@@ -957,6 +991,22 @@ public class ContextUtils {
             return true;
         }
     }
+
+    // Vibrate device one time by given amount of time, defaulting to 50ms
+    // Requires <uses-permission android:name="android.permission.VIBRATE" /> in AndroidManifest to work
+    @SuppressWarnings("UnnecessaryReturnStatement")
+    @SuppressLint("MissingPermission")
+    public void vibrate(final int... ms) {
+        int ms_v = ms != null && ms.length > 0 ? ms[0] : 50;
+        Vibrator vibrator = ((Vibrator) _context.getSystemService(VIBRATOR_SERVICE));
+        if (vibrator == null) {
+            return;
+        } else if (Build.VERSION.SDK_INT >= 26) {
+            vibrator.vibrate(VibrationEffect.createOneShot(ms_v, VibrationEffect.DEFAULT_AMPLITUDE));
+        } else {
+            vibrator.vibrate(ms_v);
+        }
+    }
 }
 
 

app/src/main/java/net/gsantner/opoc/util/FileUtils.java

@@ -29,6 +29,7 @@ import java.io.InputStreamReader;
 import java.io.OutputStream;
 import java.net.URLConnection;
 import java.text.DecimalFormat;
+import java.text.DecimalFormatSymbols;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
@@ -240,6 +241,30 @@ public class FileUtils {
         }
     }
 
+    public static boolean copyFile(final File src, final FileOutputStream os) {
+        InputStream is = null;
+        try {
+            try {
+                is = new FileInputStream(src);
+                byte[] buf = new byte[BUFFER_SIZE];
+                int len;
+                while ((len = is.read(buf)) > 0) {
+                    os.write(buf, 0, len);
+                }
+                return true;
+            } finally {
+                if (is != null) {
+                    is.close();
+                }
+                if (os != null) {
+                    os.close();
+                }
+            }
+        } catch (IOException ex) {
+            return false;
+        }
+    }
+
     // Returns -1 if the file did not contain any of the needles, otherwise,
     // the index of which needle was found in the contents of the file.
     //
@@ -452,7 +477,15 @@ public class FileUtils {
         }
         String[] units = abbreviation ? new String[]{"B", "kB", "MB", "GB", "TB"} : new String[]{"Bytes", "Kilobytes", "Megabytes", "Gigabytes", "Terabytes"};
         int unit = (int) (Math.log10(size) / Math.log10(1024));
-        return new DecimalFormat("#,##0.#").format(size / Math.pow(1024, unit))
+        return new DecimalFormat("#,##0.#", DecimalFormatSymbols.getInstance(Locale.ENGLISH)).format(size / Math.pow(1024, unit)) + " " + units[unit];
-                + " " + units[unit];
+    }
+
+    public static int[] getTimeDiffHMS(long now, long past) {
+        int[] ret = new int[3];
+        long diff = Math.abs(now - past);
+        ret[0] = (int) (diff / (1000 * 60 * 60)); // hours
+        ret[1] = (int) (diff / (1000 * 60)) % 60; // min
+        ret[2] = (int) (diff / 1000) % 60; // sec
+        return ret;
     }
 }

app/src/main/java/net/gsantner/opoc/util/NetworkUtils.java

@@ -77,7 +77,7 @@ public class NetworkUtils {
             int written = 0;
             final float invLength = 1f / connection.getContentLength();
 
-            byte data[] = new byte[BUFFER_SIZE];
+            byte[] data = new byte[BUFFER_SIZE];
             while ((count = input.read(data)) != -1) {
                 output.write(data, 0, count);
                 if (invLength != -1f && progressCallback != null) {

app/src/main/java/net/gsantner/opoc/util/ShareUtil.java

@@ -96,12 +96,12 @@ public class ShareUtil {
     protected String _fileProviderAuthority;
     protected String _chooserTitle;
 
-    public ShareUtil(Context context) {
+    public ShareUtil(final Context context) {
         _context = context;
         _chooserTitle = "➥";
     }
 
-    public void setContext(Context c) {
+    public void setContext(final Context c) {
         _context = c;
     }
 
@@ -116,13 +116,13 @@ public class ShareUtil {
         return _fileProviderAuthority;
     }
 
-    public ShareUtil setFileProviderAuthority(String fileProviderAuthority) {
+    public ShareUtil setFileProviderAuthority(final String fileProviderAuthority) {
         _fileProviderAuthority = fileProviderAuthority;
         return this;
     }
 
 
-    public ShareUtil setChooserTitle(String title) {
+    public ShareUtil setChooserTitle(final String title) {
         _chooserTitle = title;
         return this;
     }
@@ -133,7 +133,7 @@ public class ShareUtil {
      * @param file the file
      * @return Uri for this file
      */
-    public Uri getUriByFileProviderAuthority(File file) {
+    public Uri getUriByFileProviderAuthority(final File file) {
         return FileProvider.getUriForFile(_context, getFileProviderAuthority(), file);
     }
 
@@ -143,7 +143,7 @@ public class ShareUtil {
      * @param intent      Thing to be shared
      * @param chooserText The title text for the chooser, or null for default
      */
-    public void showChooser(Intent intent, String chooserText) {
+    public void showChooser(final Intent intent, final String chooserText) {
         _context.startActivity(Intent.createChooser(intent,
                 chooserText != null ? chooserText : _chooserTitle));
     }
@@ -157,7 +157,7 @@ public class ShareUtil {
      * @param iconRes Icon resource for the item
      * @param title   Title of the item
      */
-    public void createLauncherDesktopShortcut(Intent intent, @DrawableRes int iconRes, String title) {
+    public void createLauncherDesktopShortcut(final Intent intent, @DrawableRes final int iconRes, final String title) {
         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
         intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
         if (intent.getAction() == null) {
@@ -182,7 +182,7 @@ public class ShareUtil {
      * @param iconRes Icon resource for the item
      * @param title   Title of the item
      */
-    public void createLauncherDesktopShortcutLegacy(Intent intent, @DrawableRes int iconRes, String title) {
+    public void createLauncherDesktopShortcutLegacy(final Intent intent, @DrawableRes final int iconRes, final String title) {
         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
         intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
         if (intent.getAction() == null) {
@@ -203,7 +203,7 @@ public class ShareUtil {
      * @param text     The text to share
      * @param mimeType MimeType or null (uses text/plain)
      */
-    public void shareText(String text, @Nullable String mimeType) {
+    public void shareText(final String text, @Nullable final String mimeType) {
         Intent intent = new Intent(Intent.ACTION_SEND);
         intent.putExtra(Intent.EXTRA_TEXT, text);
         intent.setType(mimeType != null ? mimeType : MIME_TEXT_PLAIN);
@@ -216,7 +216,7 @@ public class ShareUtil {
      * @param file     The file to share
      * @param mimeType The files mime type
      */
-    public boolean shareStream(File file, String mimeType) {
+    public boolean shareStream(final File file, final String mimeType) {
         Intent intent = new Intent(Intent.ACTION_SEND);
         intent.putExtra(EXTRA_FILEPATH, file.getAbsolutePath());
         intent.setType(mimeType);
@@ -237,7 +237,7 @@ public class ShareUtil {
      * @param files    The files to share
      * @param mimeType The files mime type. Usally * / * is the best option
      */
-    public boolean shareStreamMultiple(Collection<File> files, String mimeType) {
+    public boolean shareStreamMultiple(final Collection<File> files, final String mimeType) {
         ArrayList<Uri> uris = new ArrayList<>();
         for (File file : files) {
             File uri = new File(file.toString());
@@ -258,14 +258,13 @@ public class ShareUtil {
     /**
      * Start calendar application to add new event, with given details prefilled
      */
-    public boolean createCalendarAppointment(@Nullable String title, @Nullable String description, @Nullable String location, @Nullable Long... startAndEndTime) {
+    public boolean createCalendarAppointment(@Nullable final String title, @Nullable final String description, @Nullable final String location, @Nullable final Long... startAndEndTime) {
         Intent intent = new Intent(Intent.ACTION_INSERT).setData(CalendarContract.Events.CONTENT_URI);
         if (title != null) {
             intent.putExtra(CalendarContract.Events.TITLE, title);
         }
         if (description != null) {
-            description = description.length() > 800 ? description.substring(0, 800) : description;
+            intent.putExtra(CalendarContract.Events.DESCRIPTION, (description.length() > 800 ? description.substring(0, 800) : description));
-            intent.putExtra(CalendarContract.Events.DESCRIPTION, description);
         }
         if (location != null) {
             intent.putExtra(CalendarContract.Events.EVENT_LOCATION, location);
@@ -292,7 +291,7 @@ public class ShareUtil {
      *
      * @param file The file to share
      */
-    public boolean viewFileInOtherApp(File file, @Nullable String type) {
+    public boolean viewFileInOtherApp(final File file, @Nullable final String type) {
         // On some specific devices the first won't work
         Uri fileUri = null;
         try {
@@ -324,7 +323,7 @@ public class ShareUtil {
      * @param format A {@link Bitmap.CompressFormat}, supporting JPEG,PNG,WEBP
      * @return if success, true
      */
-    public boolean shareImage(Bitmap bitmap, Bitmap.CompressFormat format) {
+    public boolean shareImage(final Bitmap bitmap, final Bitmap.CompressFormat format) {
         return shareImage(bitmap, format, 95, "SharedImage");
     }
 
@@ -337,7 +336,7 @@ public class ShareUtil {
      * @param quality   Quality of the exported image [0-100]
      * @return if success, true
      */
-    public boolean shareImage(Bitmap bitmap, Bitmap.CompressFormat format, int quality, String imageName) {
+    public boolean shareImage(final Bitmap bitmap, final Bitmap.CompressFormat format, final int quality, final String imageName) {
         try {
             String ext = format.name().toLowerCase();
             File file = File.createTempFile(imageName, "." + ext.replace("jpeg", "jpg"), _context.getExternalCacheDir());
@@ -359,19 +358,23 @@ public class ShareUtil {
      * @return {{@link PrintJob}} or null
      */
     @RequiresApi(api = Build.VERSION_CODES.KITKAT)
-    @SuppressWarnings("deprecation")
+    public PrintJob print(final WebView webview, final String jobName, final boolean... landscape) {
-    public PrintJob print(WebView webview, String jobName) {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
-            PrintDocumentAdapter printAdapter;
+            final PrintDocumentAdapter printAdapter;
-            PrintManager printManager = (PrintManager) _context.getSystemService(Context.PRINT_SERVICE);
+            final PrintManager printManager = (PrintManager) _context.getSystemService(Context.PRINT_SERVICE);
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                 printAdapter = webview.createPrintDocumentAdapter(jobName);
             } else {
                 printAdapter = webview.createPrintDocumentAdapter();
             }
+            final PrintAttributes.Builder attrib = new PrintAttributes.Builder();
+            if (landscape != null && landscape.length > 0 && landscape[0]) {
+                attrib.setMediaSize(new PrintAttributes.MediaSize("ISO_A4", "android", 11690, 8270));
+                attrib.setMinMargins(new PrintAttributes.Margins(0, 0, 0, 0));
+            }
             if (printManager != null) {
                 try {
-                    return printManager.print(jobName, printAdapter, new PrintAttributes.Builder().build());
+                    return printManager.print(jobName, printAdapter, attrib.build());
                 } catch (Exception ignored) {
                 }
             }
@@ -386,8 +389,7 @@ public class ShareUtil {
      * See {@link #print(WebView, String) print method}
      */
     @RequiresApi(api = Build.VERSION_CODES.KITKAT)
-    @SuppressWarnings("deprecation")
+    public PrintJob createPdf(final WebView webview, final String jobName) {
-    public PrintJob createPdf(WebView webview, String jobName) {
         return print(webview, jobName);
     }
 
@@ -399,7 +401,7 @@ public class ShareUtil {
      * @return A {@link Bitmap} or null
      */
     @Nullable
-    public static Bitmap getBitmapFromWebView(WebView webView) {
+    public static Bitmap getBitmapFromWebView(final WebView webView) {
         try {
             //Measure WebView's content
             int widthMeasureSpec = View.MeasureSpec.makeMeasureSpec(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
@@ -432,7 +434,7 @@ public class ShareUtil {
      * Replace (primary) clipboard contents with given {@code text}
      * @param text Text to be set
      */
-    public boolean setClipboard(CharSequence text) {
+    public boolean setClipboard(final CharSequence text) {
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
             android.text.ClipboardManager cm = ((android.text.ClipboardManager) _context.getSystemService(Context.CLIPBOARD_SERVICE));
             if (cm != null) {
@@ -485,7 +487,7 @@ public class ShareUtil {
      * @param callback        Callback after paste try
      * @param serverOrNothing Supply one or no hastebin server. If empty, the default gets taken
      */
-    public void pasteOnHastebin(final String text, final Callback.a2<Boolean, String> callback, String... serverOrNothing) {
+    public void pasteOnHastebin(final String text, final Callback.a2<Boolean, String> callback, final String... serverOrNothing) {
         final Handler handler = new Handler();
         final String server = (serverOrNothing != null && serverOrNothing.length > 0 && serverOrNothing[0] != null)
                 ? serverOrNothing[0] : "https://hastebin.com";
@@ -507,7 +509,7 @@ public class ShareUtil {
      * @param body    Body (content) text to be prefilled in the mail
      * @param to      recipients to be prefilled in the mail
      */
-    public void draftEmail(String subject, String body, String... to) {
+    public void draftEmail(final String subject, final String body, final String... to) {
         Intent intent = new Intent(Intent.ACTION_SENDTO);
         intent.setData(Uri.parse("mailto:"));
         if (subject != null) {
@@ -528,7 +530,7 @@ public class ShareUtil {
      * @param receivingIntent The intent from {@link Activity#getIntent()}
      * @return A file or null if extraction did not succeed
      */
-    public File extractFileFromIntent(Intent receivingIntent) {
+    public File extractFileFromIntent(final Intent receivingIntent) {
         String action = receivingIntent.getAction();
         String type = receivingIntent.getType();
         File tmpf;
@@ -572,6 +574,14 @@ public class ShareUtil {
                         }
                     }
 
+                    // media/ prefix for External storage
+                    if (fileStr.startsWith((tmps = "media/"))) {
+                        File f = new File(Uri.decode(Environment.getExternalStorageDirectory().getAbsolutePath() + "/" + fileStr.substring(tmps.length())));
+                        if (f.exists()) {
+                            return f;
+                        }
+                    }
+
                     // Next/OwnCloud Fileprovider
                     for (String fp : new String[]{"org.nextcloud.files", "org.nextcloud.beta.files", "org.owncloud.files"}) {
                         if (fileProvider.equals(fp) && fileStr.startsWith(tmps = "external_files/")) {
@@ -587,6 +597,16 @@ public class ShareUtil {
                         return new File(Uri.decode(Environment.getExternalStorageDirectory().getAbsolutePath() + fileStr.substring(tmps.length())));
                     }
 
+                    if (fileStr.startsWith(tmps = "external_files/")) {
+                        for (String prefix : new String[]{Environment.getExternalStorageDirectory().getAbsolutePath(), "/storage", ""}) {
+                            File f = new File(Uri.decode(prefix + "/" + fileStr.substring(tmps.length())));
+                            if (f.exists()) {
+                                return f;
+                            }
+                        }
+
+                    }
+
                     // URI Encoded paths with full path after content://package/
                     if (fileStr.startsWith("/") || fileStr.startsWith("%2F")) {
                         tmpf = new File(Uri.decode(fileStr));
@@ -624,6 +644,11 @@ public class ShareUtil {
         }
     }
 
+    public String extractFileFromIntentStr(final Intent receivingIntent) {
+        File f = extractFileFromIntent(receivingIntent);
+        return f != null ? f.getAbsolutePath() : null;
+    }
+
     /**
      * Request a picture from camera-like apps
      * Result ({@link String}) will be available from {@link Activity#onActivityResult(int, int, Intent)}.
@@ -634,7 +659,8 @@ public class ShareUtil {
      *
      * @param target Path to file to write to, if folder the filename gets app_name + millis + random filename. If null DCIM folder is used.
      */
-    public String requestCameraPicture(File target) {
+    @SuppressWarnings("RegExpRedundantEscape")
+    public String requestCameraPicture(final File target) {
         if (!(_context instanceof Activity)) {
             throw new RuntimeException("Error: ShareUtil.requestCameraPicture needs an Activity Context.");
         }
@@ -647,7 +673,7 @@ public class ShareUtil {
                 if (target != null && !target.isDirectory()) {
                     photoFile = target;
                 } else {
-                    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH-mm-ss", Locale.getDefault());
+                    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH-mm-ss", Locale.ENGLISH);
                     File storageDir = target != null ? target : new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM), "Camera");
                     String imageFileName = ((new ContextUtils(_context).rstr("app_name")).replaceAll("[^a-zA-Z0-9\\.\\-]", "_") + "_").replace("__", "_") + sdf.format(new Date());
                     photoFile = new File(storageDir, imageFileName + ".jpg");
@@ -686,7 +712,7 @@ public class ShareUtil {
      * Also may forward results via local broadcast
      */
     @SuppressLint("ApplySharedPref")
-    public Object extractResultFromActivityResult(int requestCode, int resultCode, Intent data, Activity... activityOrNull) {
+    public Object extractResultFromActivityResult(final int requestCode, final int resultCode, final Intent data, final Activity... activityOrNull) {
         Activity activity = greedyGetActivity(activityOrNull);
         switch (requestCode) {
             case REQUEST_CAMERA_PICTURE: {
@@ -717,6 +743,10 @@ public class ShareUtil {
                         cursor.close();
                     }
 
+                    // Try to grab via file extraction method
+                    data.setAction(Intent.ACTION_VIEW);
+                    picturePath = picturePath != null ? picturePath : extractFileFromIntentStr(data);
+
                     // Retrieve image from file descriptor / Cloud, e.g.: Google Drive, Picasa
                     if (picturePath == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
                         try {
@@ -762,7 +792,7 @@ public class ShareUtil {
      * Send a local broadcast (to receive within app), with given action and string-extra+value.
      * This is a convenience method for quickly sending just one thing.
      */
-    public void sendLocalBroadcastWithStringExtra(String action, String extra, CharSequence value) {
+    public void sendLocalBroadcastWithStringExtra(final String action, final String extra, final CharSequence value) {
         Intent intent = new Intent(action);
         intent.putExtra(extra, value);
         LocalBroadcastManager.getInstance(_context).sendBroadcast(intent);
@@ -776,7 +806,7 @@ public class ShareUtil {
      * @param filterActions  All {@link IntentFilter} actions to filter for
      * @return The created instance. Has to be unregistered on {@link Activity} lifecycle events.
      */
-    public BroadcastReceiver receiveResultFromLocalBroadcast(Callback.a2<Intent, BroadcastReceiver> callback, boolean autoUnregister, String... filterActions) {
+    public BroadcastReceiver receiveResultFromLocalBroadcast(final Callback.a2<Intent, BroadcastReceiver> callback, final boolean autoUnregister, final String... filterActions) {
         IntentFilter intentFilter = new IntentFilter();
         for (String filterAction : filterActions) {
             intentFilter.addAction(filterAction);
@@ -804,7 +834,7 @@ public class ShareUtil {
      *
      * @param file File that should be edited
      */
-    public void requestPictureEdit(File file) {
+    public void requestPictureEdit(final File file) {
         Uri uri = getUriByFileProviderAuthority(file);
         int flags = Intent.FLAG_GRANT_WRITE_URI_PERMISSION | Intent.FLAG_GRANT_READ_URI_PERMISSION;
 
@@ -826,9 +856,10 @@ public class ShareUtil {
      *
      * @param file Target file
      * @param mode 1 for picture, 2 for video, anything else for other
-     * @return
+     * @return Media URI
      */
-    public Uri getMediaUri(File file, int mode) {
+    @SuppressWarnings("TryFinallyCanBeTryWithResources")
+    public Uri getMediaUri(final File file, final int mode) {
         Uri uri = MediaStore.Files.getContentUri("external");
         uri = (mode != 0) ? (mode == 1 ? MediaStore.Images.Media.EXTERNAL_CONTENT_URI : MediaStore.Video.Media.EXTERNAL_CONTENT_URI) : uri;
 
@@ -854,7 +885,7 @@ public class ShareUtil {
      * which implement the Chrome Custom Tab interface. This method changes
      * the customtab intent to use an available compatible browser, if available.
      */
-    public void enableChromeCustomTabsForOtherBrowsers(Intent customTabIntent) {
+    public void enableChromeCustomTabsForOtherBrowsers(final Intent customTabIntent) {
         String[] checkpkgs = new String[]{
                 "com.android.chrome", "com.chrome.beta", "com.chrome.dev", "com.google.android.apps.chrome", "org.chromium.chrome",
                 "org.mozilla.fennec_fdroid", "org.mozilla.firefox", "org.mozilla.firefox_beta", "org.mozilla.fennec_aurora",
@@ -905,7 +936,7 @@ public class ShareUtil {
      * Request storage access. The user needs to press "Select storage" at the correct storage.
      * @param activity The activity which will receive the result from startActivityForResult
      */
-    public void requestStorageAccessFramework(Activity... activity) {
+    public void requestStorageAccessFramework(final Activity... activity) {
         Activity a = greedyGetActivity(activity);
         if (a != null && android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
             Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT_TREE);
@@ -961,8 +992,12 @@ public class ShareUtil {
      * @param file The file object (file/folder)
      * @return Wether or not the file is under storage access folder
      */
-    public boolean isUnderStorageAccessFolder(File file) {
+    public boolean isUnderStorageAccessFolder(final File file) {
         if (file != null) {
+            // When file writeable as is, it's the fastest way to learn SAF isn't required
+            if (file.canWrite()) {
+                return false;
+            }
             ContextUtils cu = new ContextUtils(_context);
             for (Pair<File, String> storage : cu.getStorages(false, true)) {
                 if (file.getAbsolutePath().startsWith(storage.first.getAbsolutePath())) {
@@ -978,7 +1013,7 @@ public class ShareUtil {
     /**
      * Greedy extract Activity from parameter or convert context if it's a activity
      */
-    private Activity greedyGetActivity(Activity... activity) {
+    private Activity greedyGetActivity(final Activity... activity) {
         if (activity != null && activity.length != 0 && activity[0] != null) {
             return activity[0];
         }
@@ -996,10 +1031,11 @@ public class ShareUtil {
      * @param isDir Wether or not the given file parameter is a directory
      * @return Wether or not the file can be written
      */
-    public boolean canWriteFile(File file, boolean isDir) {
+    public boolean canWriteFile(final File file, final boolean isDir) {
         if (file == null) {
             return false;
-        } else if (file.getAbsolutePath().startsWith(Environment.getExternalStorageDirectory().getAbsolutePath())) {
+        } else if (file.getAbsolutePath().startsWith(Environment.getExternalStorageDirectory().getAbsolutePath())
+                || file.getAbsolutePath().startsWith(_context.getFilesDir().getAbsolutePath())) {
             boolean s1 = isDir && file.getParentFile().canWrite();
             return !isDir && file.getParentFile() != null ? file.getParentFile().canWrite() : file.canWrite();
         } else {
@@ -1017,7 +1053,8 @@ public class ShareUtil {
      * @param isDir Wether or not file is a directory. For non-existing (to be created) files this info is not known hence required.
      * @return A {@link DocumentFile} object or null if file cannot be converted
      */
-    public DocumentFile getDocumentFile(File file, boolean isDir) {
+    @SuppressWarnings("RegExpRedundantEscape")
+    public DocumentFile getDocumentFile(final File file, final boolean isDir) {
         // On older versions use fromFile
         if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.KITKAT) {
             return DocumentFile.fromFile(file);
@@ -1066,7 +1103,7 @@ public class ShareUtil {
         return dof;
     }
 
-    public void showMountSdDialog(@StringRes int title, @StringRes int description, @DrawableRes int mountDescriptionGraphic, Activity... activityOrNull) {
+    public void showMountSdDialog(@StringRes final int title, @StringRes final int description, @DrawableRes final int mountDescriptionGraphic, final Activity... activityOrNull) {
         Activity activity = greedyGetActivity(activityOrNull);
         if (activity == null) {
             return;
@@ -1087,11 +1124,12 @@ public class ShareUtil {
         dialogi.show();
     }
 
-    public void writeFile(File file, boolean isDirectory, Callback.a2<Boolean, FileOutputStream> writeFileCallback) {
+    @SuppressWarnings({"ResultOfMethodCallIgnored", "StatementWithEmptyBody"})
+    public void writeFile(final File file, final boolean isDirectory, final Callback.a2<Boolean, FileOutputStream> writeFileCallback) {
         try {
             FileOutputStream fileOutputStream = null;
             ParcelFileDescriptor pfd = null;
-            if (file.canWrite()) {
+            if (file.canWrite() || (!file.exists() && file.getParentFile().canWrite())) {
                 if (isDirectory) {
                     file.mkdirs();
                 } else {
@@ -1112,7 +1150,10 @@ public class ShareUtil {
                 writeFileCallback.callback(fileOutputStream != null || (isDirectory && file.exists()), fileOutputStream);
             }
             if (fileOutputStream != null) {
+                try {
                     fileOutputStream.close();
+                } catch (Exception ignored) {
+                }
             }
             if (pfd != null) {
                 pfd.close();
@@ -1132,7 +1173,7 @@ public class ShareUtil {
      * @param directCall Direct call number if possible
      */
     @SuppressWarnings("SimplifiableConditionalExpression")
-    public void callTelephoneNumber(String telNo, boolean... directCall) {
+    public void callTelephoneNumber(final String telNo, final boolean... directCall) {
         Activity activity = greedyGetActivity();
         if (activity == null) {
             throw new RuntimeException("Error: ShareUtil::callTelephoneNumber needs to be contstructed with activity context");

build.gradle

@@ -13,8 +13,8 @@ import java.text.SimpleDateFormat
 
 buildscript {
     ext {
-        version_gradle_tools = "3.5.1"
+        version_gradle_tools = "3.5.2"
-        version_plugin_kotlin = "1.3.50"
+        version_plugin_kotlin = "1.3.60"
         enable_plugin_kotlin = false
 
         version_compileSdk = 28