Lint error fixes.

* Old Gingerbread code removed.
* Add missing super call.

src/org/thoughtcrime/securesms/DeviceLinkFragment.java

@@ -3,6 +3,7 @@ package org.thoughtcrime.securesms;
 import android.content.res.Configuration;
 import android.net.Uri;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.v4.app.Fragment;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -16,7 +17,7 @@ public class DeviceLinkFragment extends Fragment implements View.OnClickListener
   private Uri                 uri;
 
   @Override
-  public View onCreateView(LayoutInflater inflater, ViewGroup viewGroup, Bundle bundle) {
+  public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup viewGroup, Bundle bundle) {
     this.container = (LinearLayout) inflater.inflate(R.layout.device_link_fragment, container, false);
     this.container.findViewById(R.id.link_device).setOnClickListener(this);
 
@@ -31,6 +32,7 @@ public class DeviceLinkFragment extends Fragment implements View.OnClickListener
 
   @Override
   public void onConfigurationChanged(Configuration newConfiguration) {
+    super.onConfigurationChanged(newConfiguration);
     if (newConfiguration.orientation == Configuration.ORIENTATION_LANDSCAPE) {
       container.setOrientation(LinearLayout.HORIZONTAL);
     } else {
@@ -51,6 +53,6 @@ public class DeviceLinkFragment extends Fragment implements View.OnClickListener
   }
 
   public interface LinkClickedListener {
-    public void onLink(Uri uri);
+    void onLink(Uri uri);
   }
 }

src/org/thoughtcrime/securesms/contacts/ContactIdentityManager.java

@@ -2,17 +2,13 @@ package org.thoughtcrime.securesms.contacts;
 
 import android.content.Context;
 import android.net.Uri;
-import android.os.Build;
 
 import java.util.List;
 
 public abstract class ContactIdentityManager {
 
   public static ContactIdentityManager getInstance(Context context) {
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH)
     return new ContactIdentityManagerICS(context);
-    else
-      return new ContactIdentityManagerGingerbread(context);
   }
 
   protected final Context context;

src/org/thoughtcrime/securesms/contacts/ContactIdentityManagerGingerbread.java

@@ -1,134 +0,0 @@
-package org.thoughtcrime.securesms.contacts;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.database.Cursor;
-import android.net.Uri;
-import android.preference.PreferenceManager;
-import android.provider.ContactsContract;
-import android.provider.ContactsContract.Contacts;
-import android.provider.ContactsContract.PhoneLookup;
-import android.provider.ContactsContract.RawContacts;
-import android.telephony.TelephonyManager;
-
-import org.thoughtcrime.securesms.ApplicationPreferencesActivity;
-import org.thoughtcrime.securesms.util.TextSecurePreferences;
-
-import java.util.ArrayList;
-import java.util.List;
-
-class ContactIdentityManagerGingerbread extends ContactIdentityManager {
-
-  public ContactIdentityManagerGingerbread(Context context) {
-    super(context);
-  }
-
-  @Override
-  public Uri getSelfIdentityUri() {
-    String contactUriString = TextSecurePreferences.getIdentityContactUri(context);
-
-    if      (hasLocalNumber())         return getContactUriForNumber(getLocalNumber());
-    else if (contactUriString != null) return Uri.parse(contactUriString);
-
-    return null;
-  }
-
-  @Override
-  public boolean isSelfIdentityAutoDetected() {
-    return hasLocalNumber() && getContactUriForNumber(getLocalNumber()) != null;
-  }
-
-  @Override
-  public List<Long> getSelfIdentityRawContactIds() {
-    long selfIdentityContactId = getSelfIdentityContactId();
-
-    if (selfIdentityContactId == -1)
-      return null;
-
-    Cursor cursor                 = null;
-    ArrayList<Long> rawContactIds = new ArrayList<Long>();
-
-    try {
-      cursor = context.getContentResolver().query(RawContacts.CONTENT_URI,
-                                                  new String[] {RawContacts._ID},
-                                                  RawContacts.CONTACT_ID + " = ?",
-                                                  new String[] {selfIdentityContactId+""},
-                                                  null);
-
-      if (cursor == null || cursor.getCount() == 0)
-        return null;
-
-      while (cursor.moveToNext()) {
-        rawContactIds.add(Long.valueOf(cursor.getLong(0)));
-      }
-
-      return rawContactIds;
-
-    } finally {
-      if (cursor != null)
-        cursor.close();
-    }
-  }
-
-  private Uri getContactUriForNumber(String number) {
-    String[] PROJECTION = new String[] {
-      PhoneLookup.DISPLAY_NAME,
-      PhoneLookup.LOOKUP_KEY,
-      PhoneLookup._ID,
-    };
-
-    Uri uri       = Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, Uri.encode(number));
-    Cursor cursor = null;
-
-    try {
-      cursor = context.getContentResolver().query(uri, PROJECTION, null, null, null);
-
-      if (cursor != null && cursor.moveToFirst()) {
-        return Contacts.getLookupUri(cursor.getLong(2), cursor.getString(1));
-      }
-    } finally {
-      if (cursor != null)
-        cursor.close();
-    }
-
-    return null;
-  }
-
-  private long getSelfIdentityContactId() {
-    Uri contactUri = getSelfIdentityUri();
-
-    if (contactUri == null)
-      return -1;
-
-    Cursor cursor = null;
-
-    try {
-      cursor = context.getContentResolver().query(contactUri,
-                                                  new String[] {ContactsContract.Contacts._ID},
-                                                  null, null, null);
-
-      if (cursor != null && cursor.moveToFirst()) {
-        return cursor.getLong(0);
-      } else {
-        return -1;
-      }
-
-    } finally {
-      if (cursor != null)
-        cursor.close();
-    }
-  }
-
-  private String getLocalNumber() {
-    return ((TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE))
-             .getLine1Number();
-  }
-
-  private boolean hasLocalNumber() {
-    String number = getLocalNumber();
-    return (number != null) && (number.trim().length() > 0);
-  }
-
-
-
-}

src/org/thoughtcrime/securesms/contacts/ContactIdentityManagerICS.java

@@ -1,6 +1,5 @@
 package org.thoughtcrime.securesms.contacts;
 
-import android.annotation.SuppressLint;
 import android.content.Context;
 import android.database.Cursor;
 import android.net.Uri;
@@ -17,7 +16,6 @@ class ContactIdentityManagerICS extends ContactIdentityManager {
     super(context);
   }
 
-  @SuppressLint("NewApi")
   @Override
   public Uri getSelfIdentityUri() {
     String[] PROJECTION = new String[] {
@@ -48,7 +46,6 @@ class ContactIdentityManagerICS extends ContactIdentityManager {
     return true;
   }
 
-  @SuppressLint("NewApi")
   @Override
   public List<Long> getSelfIdentityRawContactIds() {
     List<Long> results = new LinkedList<Long>();