android Base64字符串与Bitmap相互转换
/**
* 将bitmap转换成base64字符串
*
* @param bitmap
* @return base64 字符串
*/
public String bitmaptoString(Bitmap bitmap, int bitmapQuality) {
// 将Bitmap转换成字符串
String string = null;
ByteArrayOutputStream bStream = new ByteArrayOutputStream();
bitmap.compress(CompressFormat.PNG, bitmapQuality, bStream);
byte[] bytes = bStream.toByteArray();
string = Base64.encodeToString(bytes, Base64.DEFAULT);
return string;
}
/**
* 将base64转换成bitmap图片
*
* @param string base64字符串
* @return bitmap
*/
public Bitmap stringtoBitmap(String string) {
// 将字符串转换成Bitmap类型
Bitmap bitmap = null;
try {
byte[] bitmapArray;
bitmapArray = Base64.decode(string, Base64.DEFAULT);
bitmap = BitmapFactory.decodeByteArray(bitmapArray, 0,
bitmapArray.length);
} catch (Exception e) {
e.printStackTrace();
}
return bitmap;
}