android Base64 加密解密

 //加密  hello
byte[] mimeBytes = "hello".getBytes("utf-8");
str= Base64.encodeToString(mimeBytes,Base64.DEFAULT);
//结果：GVsbG8=

 //解密 
 byte[] result= Base64.decode(contentBase.getBytes(),Base64.DEFAULT);
//结果：hello

 //解密 
 byte[] result= Base64.decode(contentBase.getBytes(),Base64.DEFAULT);
//结果：hello

oppo特殊机型报错

Failed resolution of: Ljava/util/Base64;

 //oppo特殊机型报错    可用import android.util.Base64; 上述方案
 byte[] mimeBytes = content.toString().getBytes("utf-8");
 byte[] mimeEncodedString = java.util.Base64.getEncoder().encode(mimeBytes);