在 ImageView 中设置位图图像

Question

我试过了

try {
        byte[] decodedString = Base64.decode(repPlus, Base64.URL_SAFE);
        Bitmap decodedByte = BitmapFactory.decodeByteArray(decodedString, 0, decodedString.length);
        holder.imageView.setImageBitmap(decodedByte);
    } catch (Exception e) {
        Log.d("Error: ", e.getMessage());
    }

它 returns 一个错误：

bad base-64

然后我尝试了这个 Bad base-64 error. And it removes the error. And 来解码 base64 字符串

try {
        String repSlash = product.getImage().replace("/", "_");
        String repPlus = repSlash.replace("+", "-");
        byte[] decodedString = Base64.decode(repPlus, Base64.URL_SAFE);
        Bitmap decodedByte = BitmapFactory.decodeByteArray(decodedString, 0, decodedString.length);
        holder.imageView.setImageBitmap(decodedByte);
    } catch (Exception e) {
        Log.d("Error: ", e.getMessage());
    }

但是图片在应用中看不到。

Answer 1

尝试在初始化 Bitmap decodedByte

后执行此操作

BitmapDrawable drawable = new BitmapDrawable(getResources(), decodedByte);
holder.imageView.setBackgroundDrawable(drawable);

编辑：试试这个：

String base64Image = product.getImage().split(",")[1];

byte[] decodedString = Base64.decode(base64Image, Base64.DEFAULT);
Bitmap decodedByte = BitmapFactory.decodeByteArray(decodedString, 0, decodedString.length);

holder.imageView.setImageBitmap(decodedByte);

希望对您有所帮助！

在 ImageView 中设置位图图像

Set a bitmap image in ImageView

java

base64

android

bitmap

imageview