1 files changed, 35 insertions, 3 deletions
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/fragments/CustomFilePickerFragment.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/fragments/CustomFilePickerFragment.java
index 372d9854ca..8197dfc955 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/fragments/CustomFilePickerFragment.java
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/fragments/CustomFilePickerFragment.java
@@ -4,10 +4,7 @@ import android.net.Uri;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.v4.content.FileProvider;
-import android.util.TypedValue;
-import android.view.LayoutInflater;
 import android.view.View;
-import android.view.ViewGroup;
 import android.widget.TextView;
 
 import org.dolphinemu.dolphinemu.R;
@@ -15,9 +12,15 @@ import org.dolphinemu.dolphinemu.R;
 import com.nononsenseapps.filepicker.FilePickerFragment;
 
 import java.io.File;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
 
 public class CustomFilePickerFragment extends FilePickerFragment
 {
+  private static final Set<String> extensions = new HashSet<>(Arrays.asList(
+          "gcm", "tgc", "iso", "ciso", "gcz", "wbfs", "wad", "dol", "elf"));
+
   @NonNull
   @Override
   public Uri toUri(@NonNull final File file)
@@ -41,4 +44,33 @@ public class CustomFilePickerFragment extends FilePickerFragment
       cancel.setVisibility(View.GONE);
     }
   }
+
+  @Override
+  protected boolean isItemVisible(@NonNull final File file)
+  {
+    // Some users jump to the conclusion that Dolphin isn't able to detect their
+    // files if the files don't show up in the file picker when mode == MODE_DIR.
+    // To avoid this, show files even when the user needs to select a directory.
+
+    return (showHiddenItems || !file.isHidden()) &&
+            (file.isDirectory() ||
+                    extensions.contains(fileExtension(file.getName()).toLowerCase()));
+  }
+
+  @Override
+  public boolean isCheckable(@NonNull final File file)
+  {
+    // We need to make a small correction to the isCheckable logic due to
+    // overriding isItemVisible to show files when mode == MODE_DIR.
+    // AbstractFilePickerFragment always treats files as checkable when
+    // allowExistingFile == true, but we don't want files to be checkable when mode == MODE_DIR.
+
+    return super.isCheckable(file) && !(mode == MODE_DIR && file.isFile());
+  }
+
+  private static String fileExtension(@NonNull String filename)
+  {
+    int i = filename.lastIndexOf('.');
+    return i < 0 ? "" : filename.substring(i + 1);
+  }
 }