Android ByteBuffer Bitmap byte[] convert，Kotlin

墨蓝 2024-03-08 08:07 54阅读 0赞

### Android use ByteBuffer convert Bitmap to byte\[\]，Kotlin ###

1、

Bitmap to byte\[\] array：

fun Bitmap.toByte(bmp: Bitmap): ByteArray {
            val baos = ByteArrayOutputStream()
            bmp.compress(Bitmap.CompressFormat.PNG, 100, baos)
            return baos.toByteArray()
        }

2、

byte\[\] to Bitmap：

fun toBitmap(bytes: ByteArray): Bitmap {
            return BitmapFactory.decodeByteArray(bytes, 0, bytes.size)
        }

[Android Drawable 转化成 Bitmap\_zhangphil的博客-CSDN博客/\*Java代码 将Drawable转化为Bitmap \*/ Bitmap drawableToBitmap(Drawable drawable) \{ int width = drawable.getIntrinsicWidth(); int height = drawable.getIntrinsicHeight(); Bitmap bitmap![favicon32.ico][]https://blog.csdn.net/zhangphil/article/details/43767535][Android Drawable _ Bitmap_zhangphil_-CSDN_Java_ _Drawable_Bitmap _ Bitmap drawableToBitmap_Drawable drawable_ _ int width _ drawable.getIntrinsicWidth_ int height _ drawable.getIntrinsicHeight_ Bitmap bitmap_favicon32.ico_https_blog.csdn.net_zhangphil_article_details_43767535][Android Drawable转BitmapDrawable再提取Bitmap，Kotlin-CSDN博客\*Java代码 将Drawable转化为Bitmap \*/ Bitmap drawableToBitmap(Drawable drawable) \{ int width = drawable.getIntrinsicWidth();Android传递Bitmap的两种简单方式及其缺陷\_android上传bitmap\_zhangphil的博客-CSDN博客。![favicon32.ico][]https://blog.csdn.net/zhangphil/article/details/132351440][Android Drawable_BitmapDrawable_Bitmap_Kotlin-CSDN_Java_ _Drawable_Bitmap _ Bitmap drawableToBitmap_Drawable drawable_ _ int width _ drawable.getIntrinsicWidth_Android_Bitmap_android_bitmap_zhangphil_-CSDN_favicon32.ico_https_blog.csdn.net_zhangphil_article_details_132351440]

[favicon32.ico]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/08/01ae27ca0bde45cb8a277fb9f132522c.png
[Android Drawable _ Bitmap_zhangphil_-CSDN_Java_ _Drawable_Bitmap _ Bitmap drawableToBitmap_Drawable drawable_ _ int width _ drawable.getIntrinsicWidth_ int height _ drawable.getIntrinsicHeight_ Bitmap bitmap_favicon32.ico_https_blog.csdn.net_zhangphil_article_details_43767535]: https://blog.csdn.net/zhangphil/article/details/43767535
[Android Drawable_BitmapDrawable_Bitmap_Kotlin-CSDN_Java_ _Drawable_Bitmap _ Bitmap drawableToBitmap_Drawable drawable_ _ int width _ drawable.getIntrinsicWidth_Android_Bitmap_android_bitmap_zhangphil_-CSDN_favicon32.ico_https_blog.csdn.net_zhangphil_article_details_132351440]: https://blog.csdn.net/zhangphil/article/details/132351440