Thanks for the comments everyone! It was correct that I already had a base64 encoded string and I needed to decode first then re-encode. ... <看更多>

encode a string with Base64 url safe and no padding - SomeClass.java. ... Base64.encodeToString(digest, Base64.URL_SAFE | Base64.NO_PADDING); ... ... <看更多>

[−][src]Constant base64::URL_SAFE. pub const URL_SAFE: Config. [−] Expand description. URL-safe character set with padding ... ... <看更多>