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use StringBuilder when assembling the repo fingerprint for display

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Should speed things up a bit, and fixes a lint issue.
This commit is contained in:
Hans-Christoph Steiner 2018-08-08 11:53:51 +02:00
parent 6f88dcdbf5
commit e5d25ae8d0
1 changed files with 3 additions and 3 deletions
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6
app/src/main/java/org/fdroid/fdroid/Utils.java
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@ -285,11 +285,11 @@ public final class Utils {
|| fingerprint.matches(".*[^0-9a-fA-F].*")) { // its a hex string || fingerprint.matches(".*[^0-9a-fA-F].*")) { // its a hex string
return context.getString(R.string.bad_fingerprint); return context.getString(R.string.bad_fingerprint);
} }
String displayFP = fingerprint.substring(0, 2); StringBuilder displayFP = new StringBuilder(fingerprint.substring(0, 2));
for (int i = 2; i < fingerprint.length(); i = i + 2) { for (int i = 2; i < fingerprint.length(); i = i + 2) {
displayFP += " " + fingerprint.substring(i, i + 2); displayFP.append(" ").append(fingerprint.substring(i, i + 2));
} }
return displayFP; return displayFP.toString();
} }
@NonNull @NonNull