convert content:// uri to real path when needed

app/src/main/java/com/simplemobiletools/gallery/Utils.java

@@ -6,8 +6,10 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.res.Resources;
+import android.database.Cursor;
 import android.net.Uri;
 import android.os.Build;
+import android.provider.MediaStore;
 import android.support.v4.content.ContextCompat;
 import android.support.v7.app.ActionBar;
 import android.util.DisplayMetrics;
@@ -133,4 +135,19 @@ public class Utils {
                 View.SYSTEM_UI_FLAG_FULLSCREEN |
                 View.SYSTEM_UI_FLAG_IMMERSIVE);
     }
+
+    public static String getRealPathFromURI(Context context, Uri uri) {
+        Cursor cursor = null;
+        try {
+            String[] projection = {MediaStore.Images.Media.DATA};
+            cursor = context.getContentResolver().query(uri, projection, null, null, null);
+            int index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
+            cursor.moveToFirst();
+            return cursor.getString(index);
+        } finally {
+            if (cursor != null) {
+                cursor.close();
+            }
+        }
+    }
 }

app/src/main/java/com/simplemobiletools/gallery/fragments/PhotoFragment.java

@@ -1,5 +1,6 @@
 package com.simplemobiletools.gallery.fragments;
 
+import android.net.Uri;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -12,6 +13,7 @@ import com.davemorrissey.labs.subscaleview.ImageSource;
 import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView;
 import com.simplemobiletools.gallery.Constants;
 import com.simplemobiletools.gallery.R;
+import com.simplemobiletools.gallery.Utils;
 import com.simplemobiletools.gallery.models.Medium;
 
 public class PhotoFragment extends ViewPagerFragment implements View.OnClickListener {
@@ -23,6 +25,9 @@ public class PhotoFragment extends ViewPagerFragment implements View.OnClickList
         final View view = inflater.inflate(R.layout.pager_photo_item, container, false);
 
         mMedium = (Medium) getArguments().getSerializable(Constants.MEDIUM);
+        if (mMedium.getPath().startsWith("content://"))
+            mMedium.setPath(Utils.getRealPathFromURI(getContext(), Uri.parse(mMedium.getPath())));
+
         if (mMedium == null)
             return view;
 

app/src/main/java/com/simplemobiletools/gallery/models/Medium.java

@@ -6,11 +6,11 @@ import java.io.Serializable;
 
 public class Medium implements Serializable, Comparable {
     private static final long serialVersionUID = -6543139465975455L;
-    private final String mPath;
     private final boolean mIsVideo;
     private final long mTimestamp;
     private final long mSize;
     public static int mSorting;
+    private String mPath;
 
     public Medium(String path, boolean isVideo, long timestamp, long size) {
         mPath = path;
@@ -19,6 +19,10 @@ public class Medium implements Serializable, Comparable {
         mSize = size;
     }
 
+    public void setPath(String path) {
+        mPath = path;
+    }
+
     public String getPath() {
         return mPath;
     }
@@ -66,6 +70,7 @@ public class Medium implements Serializable, Comparable {
         return "Medium {" +
                 "isVideo=" + getIsVideo() +
                 ", timestamp=" + getTimestamp() +
+                ", size=" + getSize() +
                 ", path=" + getPath() + "}";
     }
 }

app/src/main/kotlin/com/simplemobiletools/gallery/activities/EditActivity.kt

@@ -5,11 +5,11 @@ import android.graphics.Bitmap
 import android.media.MediaScannerConnection
 import android.net.Uri
 import android.os.Bundle
-import android.provider.MediaStore
 import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import com.simplemobiletools.gallery.R
+import com.simplemobiletools.gallery.Utils
 import com.simplemobiletools.gallery.extensions.toast
 import com.theartofdev.edmodo.cropper.CropImageView
 import kotlinx.android.synthetic.main.activity_edit.*
@@ -69,7 +69,7 @@ class EditActivity : SimpleActivity(), CropImageView.OnCropImageCompleteListener
             if (uri.scheme == "file") {
                 saveBitmapToFile(result.bitmap, uri.path)
             } else if (uri.scheme == "content") {
-                val newPath = convertMediaUriToPath(uri) ?: ""
+                val newPath = Utils.getRealPathFromURI(applicationContext, uri) ?: ""
                 if (!newPath.isEmpty()) {
                     saveBitmapToFile(result.bitmap, newPath)
                 } else {
@@ -123,14 +123,4 @@ class EditActivity : SimpleActivity(), CropImageView.OnCropImageCompleteListener
             else -> Bitmap.CompressFormat.JPEG
         }
     }
-
-    private fun convertMediaUriToPath(uri: Uri): String? {
-        val proj = arrayOf(MediaStore.Images.Media.DATA)
-        val cursor = contentResolver.query(uri, proj, null, null, null)
-        val index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA)
-        cursor.moveToFirst()
-        val path = cursor.getString(index)
-        cursor.close()
-        return path
-    }
 }