Optimise imports.

app/src/main/java/at/bitfire/davdroid/journalmanager/JournalEntryManager.java

@@ -5,7 +5,6 @@ import com.google.gson.reflect.TypeToken;
 import java.lang.reflect.Type;
 import java.util.List;
 
-import aQute.lib.hex.Hex;
 import at.bitfire.davdroid.App;
 import at.bitfire.davdroid.GsonHelper;
 import okhttp3.HttpUrl;

app/src/main/java/at/bitfire/davdroid/journalmanager/JournalManager.java

@@ -8,7 +8,6 @@ import java.lang.reflect.Type;
 import java.util.List;
 import java.util.UUID;
 
-import aQute.lib.hex.Hex;
 import at.bitfire.davdroid.App;
 import at.bitfire.davdroid.GsonHelper;
 import okhttp3.HttpUrl;

app/src/main/java/at/bitfire/davdroid/syncadapter/CalendarsSyncAdapterService.java

@@ -22,7 +22,6 @@ import android.database.sqlite.SQLiteException;
 import android.os.Bundle;
 import android.provider.CalendarContract;
 import android.support.annotation.NonNull;
-import android.support.v4.app.NotificationManagerCompat;
 
 import java.util.LinkedHashMap;
 import java.util.Map;

app/src/main/java/at/bitfire/davdroid/syncadapter/ContactsSyncAdapterService.java

@@ -21,7 +21,6 @@ import android.database.sqlite.SQLiteDatabase;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
-import android.support.v4.app.NotificationManagerCompat;
 
 import java.util.logging.Level;
 

app/src/main/java/at/bitfire/davdroid/syncadapter/SyncManager.java

@@ -13,7 +13,6 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.SyncResult;
 import android.os.Bundle;
-import android.support.v4.app.NotificationManagerCompat;
 
 import java.io.FileNotFoundException;
 import java.io.IOException;

app/src/main/java/at/bitfire/davdroid/ui/AccountSettingsActivity.java

@@ -32,10 +32,8 @@ import android.view.MenuItem;
 import at.bitfire.davdroid.AccountSettings;
 import at.bitfire.davdroid.InvalidAccountException;
 import at.bitfire.davdroid.R;
-import at.bitfire.davdroid.ui.setup.DetectConfigurationFragment;
 import at.bitfire.davdroid.ui.setup.LoginCredentials;
 import at.bitfire.davdroid.ui.setup.LoginCredentialsChangeFragment;
-import at.bitfire.ical4android.TaskProvider;
 
 public class AccountSettingsActivity extends AppCompatActivity {
     public final static String EXTRA_ACCOUNT = "account";

app/src/main/java/at/bitfire/davdroid/ui/AccountsActivity.java

@@ -9,7 +9,6 @@
 package at.bitfire.davdroid.ui;
 
 import android.content.Intent;
-import android.net.Uri;
 import android.os.Bundle;
 import android.support.design.widget.FloatingActionButton;
 import android.support.design.widget.NavigationView;

app/src/main/java/at/bitfire/davdroid/ui/StartupDialogFragment.java

@@ -26,13 +26,11 @@ import java.util.Collections;
 import java.util.LinkedList;
 import java.util.List;
 
-import at.bitfire.davdroid.App;
 import at.bitfire.davdroid.BuildConfig;
 import at.bitfire.davdroid.Constants;
 import at.bitfire.davdroid.R;
 import at.bitfire.davdroid.model.ServiceDB;
 import at.bitfire.davdroid.model.Settings;
-import at.bitfire.davdroid.resource.LocalTaskList;
 import lombok.Cleanup;
 
 public class StartupDialogFragment extends DialogFragment {

app/src/main/java/at/bitfire/davdroid/ui/setup/LoginCredentialsFragment.java

@@ -19,10 +19,6 @@ import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.EditText;
 
-import java.net.URI;
-import java.net.URISyntaxException;
-
-import at.bitfire.davdroid.App;
 import at.bitfire.davdroid.Constants;
 import at.bitfire.davdroid.R;
 import at.bitfire.davdroid.ui.widget.EditPassword;