如何在SQLite Android中使用Insert Into查询在Android中放置图像？

我是安卓系统的新手

我只是想知道如何将图像存储到Android中的SQLite数据库中，我的数据库是这样的

Photo
id (int) | image (BLOB)

然后我有一门课从画廊里得到一张图片

LogoSQLiDemoActivity

这是我的形象课

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有人能帮我解决这个问题吗，因为我一直在谷歌搜索，但我仍然无法解决我的问题，请帮助…

将图像保存在本地文件夹中，并使用与您的id相同的名称。因此，现在无论何时您要检索图像，只要打开id.jpg/id.png

试试这个或这个@nfirex：我认为这与我在课堂上的做法相同，它没有使用插入对吗？是的，你的方法从第一个链接开始，你的方法有什么问题？如果您收到异常，您可以发布它吗？@nfirex:我想在不使用该方法的情况下存储图像，所以我想知道是否可以将用户插入到查询中以将数据放入sqlite中？你能帮我吗？是的，你能。如果你想要硬核——请看第二个链接中答案的第一部分：将字节转换为hexliteral的示例：尝试这种方法，但我没有使用它

private void saveToDB() {
        SQLiteDatabase myDb;
        String MySQL;
        byte[] byteImage1 = null;
        byte[] byteImage2 = null;
        MySQL = "create table emp1(_id INTEGER primary key autoincrement, sample TEXT not null, audio BLOB);";
        myDb = openOrCreateDatabase("Blob List", Context.MODE_PRIVATE, null);
        myDb.execSQL(MySQL);
        String s = myDb.getPath();
        textView.append("\r\n" + s + "\r\n");
        myDb.execSQL("delete from emp1");
        ContentValues newValues = new ContentValues();
        newValues.put("sample", "HI Hello");

        try {

            InputStream is = new FileInputStream("YOUR IMAGE PATH");
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            byte[] b = new byte[1024];
            int bytesRead;
            while ((bytesRead = is.read(b)) != -1) {
                bos.write(b, 0, bytesRead);

            }
            byte[] bytes = bos.toByteArray();

            textView.append("\r\n" + bytes.length + "\r\n");
            newValues.put("audio", bytes);

            long ret = myDb.insert("emp1", null, newValues);
            if (ret < 0)
                textView.append("\r\n!!! Error add blob failed!!!\r\n");
        } catch (IOException e) {
            textView.append("\r\n!!! Error: " + e + "!!!\r\n");
        }

        Cursor cur = myDb.query("emp1", null, null, null, null, null, null);
        cur.moveToFirst();
        while (cur.isAfterLast() == false) {
            textView.append("\r\n" + cur.getString(1) + "\r\n");
            cur.moveToNext();
        }
        // /////Read data from blob field////////////////////
        cur.moveToFirst();
        byteImage2 = cur.getBlob(cur.getColumnIndex("audio"));
        // bmImage.setImageBitmap(BitmapFactory.decodeByteArray(byteImage2, 0,
        // byteImage2.length));
        textView.append("\r\n" + byteImage2.length + "\r\n");

        cur.close();

        myDb.close();

    }

 public void addImage3(image img) {
    open(); //it's mean to open the connection from database

            //THE Question is right here, how i can put a byte array into database 
            //without using this method, a.k.a INSERT INTO, cause i have tried to search any 
            //solution in google, but i can't solve my problem
    ContentValues values = new ContentValues();
    values.put(image, img._lokasi_foto); 

    // Inserting Row
    database.insert(Photo, null, values);
    close(); // Closing database connection
}

 public class image {
 public byte[] _lokasi_foto;

 //this is getter
 public byte[] getLokasi_foto() {
return _lokasi_foto;
 }
 //this is setter
 public void setLokasi_foto(byte[] lokasi_foto) {
this._lokasi_foto = lokasi_foto;
 }
 and this the constructor
 public image(byte[] lokasi_foto) {
this._lokasi_foto = lokasi_foto;
  }
}

private void saveToDB() {
        SQLiteDatabase myDb;
        String MySQL;
        byte[] byteImage1 = null;
        byte[] byteImage2 = null;
        MySQL = "create table emp1(_id INTEGER primary key autoincrement, sample TEXT not null, audio BLOB);";
        myDb = openOrCreateDatabase("Blob List", Context.MODE_PRIVATE, null);
        myDb.execSQL(MySQL);
        String s = myDb.getPath();
        textView.append("\r\n" + s + "\r\n");
        myDb.execSQL("delete from emp1");
        ContentValues newValues = new ContentValues();
        newValues.put("sample", "HI Hello");

        try {

            InputStream is = new FileInputStream("YOUR IMAGE PATH");
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            byte[] b = new byte[1024];
            int bytesRead;
            while ((bytesRead = is.read(b)) != -1) {
                bos.write(b, 0, bytesRead);

            }
            byte[] bytes = bos.toByteArray();

            textView.append("\r\n" + bytes.length + "\r\n");
            newValues.put("audio", bytes);

            long ret = myDb.insert("emp1", null, newValues);
            if (ret < 0)
                textView.append("\r\n!!! Error add blob failed!!!\r\n");
        } catch (IOException e) {
            textView.append("\r\n!!! Error: " + e + "!!!\r\n");
        }

        Cursor cur = myDb.query("emp1", null, null, null, null, null, null);
        cur.moveToFirst();
        while (cur.isAfterLast() == false) {
            textView.append("\r\n" + cur.getString(1) + "\r\n");
            cur.moveToNext();
        }
        // /////Read data from blob field////////////////////
        cur.moveToFirst();
        byteImage2 = cur.getBlob(cur.getColumnIndex("audio"));
        // bmImage.setImageBitmap(BitmapFactory.decodeByteArray(byteImage2, 0,
        // byteImage2.length));
        textView.append("\r\n" + byteImage2.length + "\r\n");

        cur.close();

        myDb.close();

    }