fix issue#426 for Android & iOS

Author: jepiqueau

CHANGELOG.md

@@ -1,3 +1,9 @@
+# 5.0.2 (2023-06-07)
+
+### Bug Fixes
+
+ - fix issue#426 for Android & iOS
+
 # 5.0.1 (2023-05-31)
 
 ### Added Features

android/.gradle/buildOutputCleanup/buildOutputCleanup.lock

@@ -8,6 +8,7 @@
 
 import android.content.Context;
 import android.content.SharedPreferences;
+import android.os.Build;
 import android.util.Log;
 import androidx.sqlite.db.SimpleSQLiteQuery;
 import androidx.sqlite.db.SupportSQLiteDatabase;
@@ -22,6 +23,7 @@
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Base64;
 import java.util.Collections;
 import java.util.Date;
 import java.util.Dictionary;
@@ -795,7 +797,12 @@ public JSArray selectSQL(String statement, ArrayList<Object> values) throws Exce
                             row.put(colName, c.getDouble(index));
                             break;
                         case FIELD_TYPE_BLOB:
-                            row.put(colName, c.getBlob(index));
+//                            row.put(colName, c.getBlob(index));
+                            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                                row.put(colName, Base64.getEncoder().encodeToString(c.getBlob(index)));
+                            } else {
+                                row.put(colName, JSONObject.NULL);
+                            }
                             break;
                         case FIELD_TYPE_NULL:
                             row.put(colName, JSONObject.NULL);

android/src/main/java/com/getcapacitor/community/database/sqlite/SQLite/Database.java

@@ -909,13 +909,15 @@ class UtilsSQLCipher {
                     let val: Double = sqlite3_column_double(handle, index)
                     rowData[String(cString: name)] = val
                 case SQLITE_BLOB:
-                    let data = sqlite3_column_blob(handle, index)
-                    let size = sqlite3_column_bytes(handle, index)
-                    let val = NSData(bytes: data, length: Int(size))
-                    // Convert to string
-                    let strVal: String = String(decoding: val,
-                                                as: UTF8.self)
-                    rowData[String(cString: name)] = strVal
+                    if let dataBlob = sqlite3_column_blob(handle, index){
+                        let dataBlobLength = sqlite3_column_bytes(handle,index)
+                        let data = Data(bytes: dataBlob,
+                                        count:Int(dataBlobLength))
+                        rowData[String(cString: name)] = data.base64EncodedString()
+                    } else {
+                        rowData[String(cString: name)] = NSNull()
+                    }
+
                 case SQLITE_TEXT:
                     let buffer = sqlite3_column_text(handle, index)
                     if let mBuffer = buffer {