java android new String

Question

I have to convert a byte array to a string. Therefore I use this function:

public static String byteToString(byte[] bytes) {
    String str = new String(bytes, Charset.forName("UTF8"));

    return str;
}

The problem is, that it requires API 9:

Call requires API level 9 (current min is 8): new java.lang.String

but I want to provide my app to API 8 users too. Is there any possibility or alternative?

@RobertHarvey the String constructor with the Charset paramter — Blackbelt
– Blackbelt, Commented Jul 21, 2014 at 14:10

fabian · Accepted Answer · 2014-07-21 14:13:56Z

8

You can use new String(bytes, "UTF8") (The constructor String(byte[], String)). It's always available (API level 1+).

answered Jul 21, 2014 at 14:13

fabian

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1 Comment

EpicPandaForce Over a year ago

Yup: developer.android.com/reference/java/lang/…, java.lang.String)

Blackbelt · Accepted Answer · 2014-07-21 14:23:43Z

3

You can't. What you can do is to check for the sdk version

  if (Build.VERSION.SDK_INT >= 9) {
    // Constructor with charset
  } else {
   // Constructor without charset, providing the charset as string
  }

Froyo devices are something like 0.7%

edited Jul 21, 2014 at 14:23

answered Jul 21, 2014 at 14:13

Blackbelt

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7 Comments

Seelenvirtuose Over a year ago

As there is a constructor with a charset argument for that API level, this is a somewhat bad answer, isn't it?

Blackbelt Over a year ago

no it is not (imo). He can use the check to call different constructors, avoid an additional call - I didn't check the framework code - but he will probably avoid an additional, internal this(....) call. In any case it will not harm, @Seelenvirtuose

gtgaxiola Over a year ago

Technically there is no Constructor for Charset object but for String charSet on API 8 (Still I would use this kind of check)

Seelenvirtuose Over a year ago

Comments are always about wording and I tend to be a bit pedantic on such things as comments and namings, etc. Now it's a good answer, by the way. +1

Phil Over a year ago

I accepted the other answer because it's working well. But I gave +1 too for your help, thank you

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