use qr codes instead of aztec. Barcode Scanner is terrible at reading aztec. fixes #2375

src/main/java/eu/siacs/conversations/services/BarcodeProvider.java

@@ -18,8 +18,9 @@ import android.util.Log;
 
 import com.google.zxing.BarcodeFormat;
 import com.google.zxing.EncodeHintType;
-import com.google.zxing.aztec.AztecWriter;
 import com.google.zxing.common.BitMatrix;
+import com.google.zxing.qrcode.QRCodeWriter;
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
 
 import java.io.File;
 import java.io.FileNotFoundException;
@@ -106,7 +107,7 @@ public class BarcodeProvider extends ContentProvider implements ServiceConnectio
                         if (!file.exists()) {
                             file.getParentFile().mkdirs();
                             file.createNewFile();
-                            Bitmap bitmap = createAztecBitmap(account.getShareableUri(), 1024);
+                            Bitmap bitmap = create2dBarcodeBitmap(account.getShareableUri(), 1024);
                             OutputStream outputStream = new FileOutputStream(file);
                             bitmap.compress(Bitmap.CompressFormat.PNG, 100, outputStream);
                             outputStream.close();
@@ -181,12 +182,12 @@ public class BarcodeProvider extends ContentProvider implements ServiceConnectio
         return Uri.parse("content://" + packageId + AUTHORITY + "/" + account.getJid().toBareJid() + ".png");
     }
 
-    public static Bitmap createAztecBitmap(String input, int size) {
+    public static Bitmap create2dBarcodeBitmap(String input, int size) {
         try {
-            final AztecWriter AZTEC_WRITER = new AztecWriter();
+            final QRCodeWriter barcodeWriter = new QRCodeWriter();
             final Hashtable<EncodeHintType, Object> hints = new Hashtable<>();
-            hints.put(EncodeHintType.ERROR_CORRECTION, 10);
+            hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
-            final BitMatrix result = AZTEC_WRITER.encode(input, BarcodeFormat.AZTEC, size, size, hints);
+            final BitMatrix result = barcodeWriter.encode(input, BarcodeFormat.QR_CODE, size, size, hints);
             final int width = result.getWidth();
             final int height = result.getHeight();
             final int[] pixels = new int[width * height];
@@ -200,6 +201,7 @@ public class BarcodeProvider extends ContentProvider implements ServiceConnectio
             bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
             return bitmap;
         } catch (final Exception e) {
+            e.printStackTrace();
             return null;
         }
     }

src/main/java/eu/siacs/conversations/ui/XmppActivity.java

@@ -52,18 +52,12 @@ import android.widget.EditText;
 import android.widget.ImageView;
 import android.widget.Toast;
 
-import com.google.zxing.BarcodeFormat;
-import com.google.zxing.EncodeHintType;
-import com.google.zxing.aztec.AztecWriter;
-import com.google.zxing.common.BitMatrix;
-
 import net.java.otr4j.session.SessionID;
 
 import java.io.FileNotFoundException;
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 import java.util.Collections;
-import java.util.Hashtable;
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.RejectedExecutionException;
@@ -1059,7 +1053,7 @@ public abstract class XmppActivity extends Activity {
 			Point size = new Point();
 			getWindowManager().getDefaultDisplay().getSize(size);
 			final int width = (size.x < size.y ? size.x : size.y);
-			Bitmap bitmap = BarcodeProvider.createAztecBitmap(uri, width);
+			Bitmap bitmap = BarcodeProvider.create2dBarcodeBitmap(uri, width);
 			ImageView view = new ImageView(this);
 			view.setBackgroundColor(Color.WHITE);
 			view.setImageBitmap(bitmap);

src/main/res/values-eu/strings.xml

@@ -176,6 +176,7 @@
   <string name="mgmt_account_delete_confirm_text">Zure kontua ezabatzen baduzu zure elkarrizketa historia guztia galduko da</string>
   <string name="attach_record_voice">Ahotsa grabatu</string>
   <string name="account_settings_jabber_id">Jabber IDa</string>
+  <string name="block_jabber_id">Jabber IDa blokeatu</string>
   <string name="account_settings_password">Pasahitza</string>
   <string name="account_settings_example_jabber_id">erabiltzailea@adibidea.com</string>
   <string name="account_settings_confirm_password">Pasahitza berretsi</string>
@@ -470,6 +471,8 @@
   <string name="disable_account">Kontua ezgaitu</string>
   <string name="contact_is_typing">%s idazten ari da...</string>
   <string name="contact_has_stopped_typing">%s(e)k idazteari utzi dio</string>
+  <string name="contacts_are_typing">%s idazten ari dira…</string>
+  <string name="contacts_have_stopped_typing">%s idazteari utzi diote</string>
   <string name="pref_chat_states">Idazketa jakinarazpenak</string>
   <string name="pref_chat_states_summary">Zure kontaktuak mezu berri bat noiz idazten ari zaren jakin dezaten baimendu</string>
   <string name="send_location">Kokapena partekatu</string>
@@ -700,4 +703,9 @@
   <string name="encrypting_message">Mezua enkriptatzen</string>
   <string name="not_fetching_history_retention_period">Mezurik ez eskuratzen gelditze tarte lokalarengatik.</string>
   <string name="transcoding_video_progress">Bideoa konprimatzen (%s%% osatua)</string>
+  <string name="corresponding_conversations_closed">Dagokion elkarrizketa itxi egin da.</string>
+  <string name="contact_blocked_past_tense">Kontaktua blokeatu da.</string>
+  <string name="pref_notifications_from_strangers">Ezezagunen jakinarazpenak</string>
+  <string name="pref_notifications_from_strangers_summary">Ezezagunen mezuak jasotzerakoan jakinarazi.</string>
+  <string name="received_message_from_stranger">Ezezagun baten mezu bat jaso duzu</string>
 </resources>