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Code Issues Releases Wiki Activity

Optimize code to extract the character to display in the fallback contact picture

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This commit is contained in:
cketti 2013-08-21 13:05:42 +02:00
parent ce56475a4f
commit bd3bd861c5
1 changed files with 12 additions and 5 deletions
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17
src/com/fsck/k9/activity/misc/ContactPictureLoader.java
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@ -4,6 +4,7 @@ import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.lang.ref.WeakReference;
import java.util.Locale;
import java.util.concurrent.RejectedExecutionException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@ -33,6 +34,12 @@ public class ContactPictureLoader {
*/
private static final int PICTURE_SIZE = 40;
/**
* Pattern to extract the letter to be displayed as fallback image.
*/
private static final Pattern EXTRACT_LETTER_PATTERN = Pattern.compile("[a-zA-Z]");
private ContentResolver mContentResolver;
private Resources mResources;
private Contacts mContactsHelper;
@ -154,12 +161,12 @@ public class ContactPictureLoader {
private char calcUnknownContactLetter(Address address) {
String letter = "";
Pattern p = Pattern.compile("[^a-zA-Z]*([a-zA-Z]).*");
String str = address.getPersonal() != null ? address.getPersonal() : address.getAddress();
Matcher m = p.matcher(str);
if (m.matches()) {
letter = m.group(1).toUpperCase();
}
Matcher m = EXTRACT_LETTER_PATTERN.matcher(str);
if (m.find()) {
letter = m.group(0).toUpperCase(Locale.US);
}
return letter.length() == 0 ? '?' : letter.charAt(0);
}