Added a lot of more cases to get the real path

Added a lot of more cases to get the real path

This closes #175

src/android/FileHelper.java

@@ -17,11 +17,13 @@
 package org.apache.cordova.camera;
 
 import android.annotation.SuppressLint;
+import android.content.ContentUris;
 import android.content.Context;
 import android.content.CursorLoader;
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.Build;
+import android.os.Environment;
 import android.provider.DocumentsContract;
 import android.provider.MediaStore;
 import android.webkit.MimeTypeMap;
@@ -77,40 +79,70 @@ public class FileHelper {
     }
 
     @SuppressLint("NewApi")
-    public static String getRealPathFromURI_API19(Context context, Uri uri) {
+    public static String getRealPathFromURI_API19(final Context context, final Uri uri) {
-        String filePath = "";
-        try {
 
-            String id = null;
+        // DocumentProvider
-            Uri myUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;;
+        if ( DocumentsContract.isDocumentUri(context, uri)) {
-            try {
-                String wholeID = DocumentsContract.getDocumentId(uri);
 
-                // Split at colon, use second item in the array
+            // ExternalStorageProvider
-                id = wholeID.indexOf(":") > -1 ? wholeID.split(":")[1] : wholeID.indexOf(";") > -1 ? wholeID
+            if (isExternalStorageDocument(uri)) {
-                        .split(";")[1] : wholeID;
+                final String docId = DocumentsContract.getDocumentId(uri);
-            } catch (Exception e) {
+                final String[] split = docId.split(":");
-                myUri = uri;
+                final String type = split[0];
+
+                if ("primary".equalsIgnoreCase(type)) {
+                    return Environment.getExternalStorageDirectory() + "/" + split[1];
+                }
+
+                // TODO handle non-primary volumes
             }
+            // DownloadsProvider
+            else if (isDownloadsDocument(uri)) {
 
-            String[] column = { MediaStore.Images.Media.DATA };
+                final String id = DocumentsContract.getDocumentId(uri);
+                final Uri contentUri = ContentUris.withAppendedId(
+                        Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));
 
-            // where id is equal to
+                return getDataColumn(context, contentUri, null, null);
-            String sel = MediaStore.Images.Media._ID + "=?";
+            }
-
+            // MediaProvider
-            Cursor cursor = context.getContentResolver().query(myUri, column,
+            else if (isMediaDocument(uri)) {
-                    sel, new String[] { id }, null);
+                final String docId = DocumentsContract.getDocumentId(uri);
-
+                final String[] split = docId.split(":");
-            int columnIndex = cursor.getColumnIndex(column[0]);
+                final String type = split[0];
-
+
-            if (cursor.moveToFirst()) {
+                Uri contentUri = null;
-                filePath = cursor.getString(columnIndex);
+                if ("image".equals(type)) {
+                    contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
+                } else if ("video".equals(type)) {
+                    contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
+                } else if ("audio".equals(type)) {
+                    contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
+                }
+
+                final String selection = "_id=?";
+                final String[] selectionArgs = new String[] {
+                        split[1]
+                };
+
+                return getDataColumn(context, contentUri, selection, selectionArgs);
             }
-            cursor.close();
-        } catch (Exception e) {
-            filePath = "";
         }
-        return filePath;
+        // MediaStore (and general)
+        else if ("content".equalsIgnoreCase(uri.getScheme())) {
+
+            // Return the remote address
+            if (isGooglePhotosUri(uri))
+                return uri.getLastPathSegment();
+
+            return getDataColumn(context, uri, null, null);
+        }
+        // File
+        else if ("file".equalsIgnoreCase(uri.getScheme())) {
+            return uri.getPath();
+        }
+
+        return null;
     }
 
     @SuppressLint("NewApi")
@@ -235,4 +267,74 @@ public class FileHelper {
 
         return mimeType;
     }
+
+    /**
+     * Get the value of the data column for this Uri. This is useful for
+     * MediaStore Uris, and other file-based ContentProviders.
+     *
+     * @param context The context.
+     * @param uri The Uri to query.
+     * @param selection (Optional) Filter used in the query.
+     * @param selectionArgs (Optional) Selection arguments used in the query.
+     * @return The value of the _data column, which is typically a file path.
+     * @author paulburke
+     */
+    public static String getDataColumn(Context context, Uri uri, String selection,
+                                       String[] selectionArgs) {
+
+        Cursor cursor = null;
+        final String column = "_data";
+        final String[] projection = {
+                column
+        };
+
+        try {
+            cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs,
+                    null);
+            if (cursor != null && cursor.moveToFirst()) {
+
+                final int column_index = cursor.getColumnIndexOrThrow(column);
+                return cursor.getString(column_index);
+            }
+        } finally {
+            if (cursor != null)
+                cursor.close();
+        }
+        return null;
+    }
+
+    /**
+     * @param uri The Uri to check.
+     * @return Whether the Uri authority is ExternalStorageProvider.
+     * @author paulburke
+     */
+    public static boolean isExternalStorageDocument(Uri uri) {
+        return "com.android.externalstorage.documents".equals(uri.getAuthority());
+    }
+
+    /**
+     * @param uri The Uri to check.
+     * @return Whether the Uri authority is DownloadsProvider.
+     * @author paulburke
+     */
+    public static boolean isDownloadsDocument(Uri uri) {
+        return "com.android.providers.downloads.documents".equals(uri.getAuthority());
+    }
+
+    /**
+     * @param uri The Uri to check.
+     * @return Whether the Uri authority is MediaProvider.
+     * @author paulburke
+     */
+    public static boolean isMediaDocument(Uri uri) {
+        return "com.android.providers.media.documents".equals(uri.getAuthority());
+    }
+
+    /**
+     * @param uri The Uri to check.
+     * @return Whether the Uri authority is Google Photos.
+     */
+    public static boolean isGooglePhotosUri(Uri uri) {
+        return "com.google.android.apps.photos.content".equals(uri.getAuthority());
+    }
 }