retrofit getBlob method of matrixcursor for android 2.3

1 files changed, 20 insertions, 1 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyFragment.java
index 94ece06fb..4d10d8639 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyFragment.java
@@ -25,6 +25,8 @@ import android.database.Cursor;
 import android.database.MatrixCursor;
 import android.graphics.PorterDuff;
 import android.net.Uri;
+import android.os.Build.VERSION;
+import android.os.Build.VERSION_CODES;
 import android.os.Bundle;
 import android.os.Message;
 import android.os.Messenger;
@@ -62,6 +64,7 @@ import org.sufficientlysecure.keychain.ui.widget.KeySpinner;
 import org.sufficientlysecure.keychain.util.Log;
 import org.sufficientlysecure.keychain.util.Preferences;
 
+import java.lang.reflect.Method;
 import java.util.ArrayList;
 
 public class CertifyKeyFragment extends LoaderFragment
@@ -210,7 +213,23 @@ public class CertifyKeyFragment extends LoaderFragment
 
         MatrixCursor matrix = new MatrixCursor(new String[]{
                 "_id", "user_data", "grouped"
-        });
+        }) {
+            @Override
+            public byte[] getBlob(int column) {
+                // For some reason, getBlob was not implemented before ICS
+                if (VERSION.SDK_INT < VERSION_CODES.ICE_CREAM_SANDWICH) {
+                    try {
+                        // haha, yes there is int.class
+                        Method m = MatrixCursor.class.getDeclaredMethod("get", new Class[]{int.class});
+                        m.setAccessible(true);
+                        return (byte[]) m.invoke(this, 1);
+                    } catch (Exception e) {
+                        throw new UnsupportedOperationException(e);
+                    }
+                }
+                return super.getBlob(column);
+            }
+        };
         data.moveToFirst();
 
         long lastMasterKeyId = 0;