src/com/android/contacts/group/GroupNameEditDialogFragment.java - LeafOS-Project/android_packages_apps_Contacts - Gitiles

 /*
  * Copyright (C) 2016 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, softwareateCre
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License
  */
 package com.android.contacts.group;

 import android.app.Dialog;
 import android.app.DialogFragment;
 import android.app.LoaderManager;
 import android.content.Context;
 import android.content.CursorLoader;
 import android.content.DialogInterface;
 import android.content.DialogInterface.OnClickListener;
 import android.content.Intent;
 import android.content.Loader;
 import android.database.Cursor;
 import android.os.Bundle;
 import android.provider.ContactsContract.Groups;
 import android.text.Editable;
 import android.text.TextUtils;
 import android.text.TextWatcher;
 import android.view.View;
 import android.view.WindowManager;
 import android.view.inputmethod.InputMethodManager;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.TextView;

 import androidx.appcompat.app.AlertDialog;

 import com.android.contacts.ContactSaveService;
 import com.android.contacts.R;
 import com.android.contacts.model.account.AccountWithDataSet;

 import com.google.android.material.textfield.TextInputLayout;
 import com.google.common.base.Strings;

 import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;

 /**
  * Edits the name of a group.
  */
 public final class GroupNameEditDialogFragment extends DialogFragment implements
         LoaderManager.LoaderCallbacks<Cursor> {

     private static final String KEY_GROUP_NAME = "groupName";

     private static final String ARG_IS_INSERT = "isInsert";
     private static final String ARG_GROUP_NAME = "groupName";
     private static final String ARG_ACCOUNT = "account";
     private static final String ARG_CALLBACK_ACTION = "callbackAction";
     private static final String ARG_GROUP_ID = "groupId";

     private static final long NO_GROUP_ID = -1;


     /** Callbacks for hosts of the {@link GroupNameEditDialogFragment}. */
     public interface Listener {
         void onGroupNameEditCancelled();

         void onGroupNameEditCompleted(String name);

         public static final Listener None = new Listener() {
             @Override
             public void onGroupNameEditCancelled() {
             }

             @Override
             public void onGroupNameEditCompleted(String name) {
             }
         };
     }

     private boolean mIsInsert;
     private String mGroupName;
     private long mGroupId;
     private Listener mListener;
     private AccountWithDataSet mAccount;
     private EditText mGroupNameEditText;
     private TextInputLayout mGroupNameTextLayout;
     private Set<String> mExistingGroups = Collections.emptySet();

     public static GroupNameEditDialogFragment newInstanceForCreation(
             AccountWithDataSet account, String callbackAction) {
         return newInstance(account, callbackAction, NO_GROUP_ID, null);
     }

     public static GroupNameEditDialogFragment newInstanceForUpdate(
             AccountWithDataSet account, String callbackAction, long groupId, String groupName) {
         return newInstance(account, callbackAction, groupId, groupName);
     }

     private static GroupNameEditDialogFragment newInstance(
             AccountWithDataSet account, String callbackAction, long groupId, String groupName) {
         if (account == null) {
             throw new IllegalArgumentException("Invalid account");
         }
         final boolean isInsert = groupId == NO_GROUP_ID;
         final Bundle args = new Bundle();
         args.putBoolean(ARG_IS_INSERT, isInsert);
         args.putLong(ARG_GROUP_ID, groupId);
         args.putString(ARG_GROUP_NAME, groupName);
         args.putParcelable(ARG_ACCOUNT, account);
         args.putString(ARG_CALLBACK_ACTION, callbackAction);

         final GroupNameEditDialogFragment dialog = new GroupNameEditDialogFragment();
         dialog.setArguments(args);
         return dialog;
     }

     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setStyle(STYLE_NORMAL, R.style.ContactsAlertDialogThemeAppCompat);
         final Bundle args = getArguments();
         if (savedInstanceState == null) {
             mGroupName = args.getString(KEY_GROUP_NAME);
         } else {
             mGroupName = savedInstanceState.getString(ARG_GROUP_NAME);
         }

         mGroupId = args.getLong(ARG_GROUP_ID, NO_GROUP_ID);
         mIsInsert = args.getBoolean(ARG_IS_INSERT, true);
         mAccount = getArguments().getParcelable(ARG_ACCOUNT);

         // There is only one loader so the id arg doesn't matter.
         getLoaderManager().initLoader(0, null, this);
     }

     @Override
     public Dialog onCreateDialog(Bundle savedInstanceState) {
         // Build a dialog with two buttons and a view of a single EditText input field
         final TextView title = (TextView) View.inflate(getActivity(), R.layout.dialog_title, null);
         title.setText(mIsInsert
                 ? R.string.group_name_dialog_insert_title
                 : R.string.group_name_dialog_update_title);
         final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity(), getTheme())
                 .setCustomTitle(title)
                 .setView(R.layout.group_name_edit_dialog)
                 .setNegativeButton(android.R.string.cancel, new OnClickListener() {
                     @Override
                     public void onClick(DialogInterface dialog, int which) {
                         hideInputMethod();
                         getListener().onGroupNameEditCancelled();
                         dismiss();
                     }
                 })
                 // The Positive button listener is defined below in the OnShowListener to
                 // allow for input validation
                 .setPositiveButton(android.R.string.ok, null);

         // Disable the create button when the name is empty
         final AlertDialog alertDialog = builder.create();
         alertDialog.getWindow().setSoftInputMode(
                 WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
         alertDialog.setOnShowListener(new DialogInterface.OnShowListener() {
             @Override
             public void onShow(DialogInterface dialog) {
                 mGroupNameEditText = (EditText) alertDialog.findViewById(android.R.id.text1);
                 mGroupNameTextLayout =
                         (TextInputLayout) alertDialog.findViewById(R.id.text_input_layout);
                 if (!TextUtils.isEmpty(mGroupName)) {
                     mGroupNameEditText.setText(mGroupName);
                     // Guard against already created group names that are longer than the max
                     final int maxLength = getResources().getInteger(
                             R.integer.group_name_max_length);
                     mGroupNameEditText.setSelection(
                             mGroupName.length() > maxLength ? maxLength : mGroupName.length());
                 }
                 showInputMethod(mGroupNameEditText);

                 final Button createButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
                 createButton.setEnabled(!TextUtils.isEmpty(getGroupName()));

                 // Override the click listener to prevent dismissal if creating a duplicate group.
                 createButton.setOnClickListener(new View.OnClickListener() {
                     @Override
                     public void onClick(View v) {
                         maybePersistCurrentGroupName(v);
                     }
                 });
                 mGroupNameEditText.addTextChangedListener(new TextWatcher() {
                     @Override
                     public void beforeTextChanged(CharSequence s, int start, int count, int after) {
                     }

                     @Override
                     public void onTextChanged(CharSequence s, int start, int before, int count) {
                     }

                     @Override
                     public void afterTextChanged(Editable s) {
                         mGroupNameTextLayout.setError(null);
                         createButton.setEnabled(!TextUtils.isEmpty(s));
                     }
                 });
             }
         });

         return alertDialog;
     }

     /**
      * Sets the listener for the rename
      *
      * Setting a listener on a fragment is error prone since it will be lost if the fragment
      * is recreated. This exists because it is used from a view class (GroupMembersView) which
      * needs to modify it's state when this fragment updates the name.
      *
      * @param listener the listener. can be null
      */
     public void setListener(Listener listener) {
         mListener = listener;
     }

     private boolean hasNameChanged() {
         final String name = Strings.nullToEmpty(getGroupName());
         final String originalName = getArguments().getString(ARG_GROUP_NAME);
         return (mIsInsert && !name.isEmpty()) || !name.equals(originalName);
     }

     private void maybePersistCurrentGroupName(View button) {
         if (!hasNameChanged()) {
             dismiss();
             return;
         }
         String name = getGroupName();
         // Trim group name, when group is saved.
         // When "Group" exists, do not save " Group ". This behavior is the same as Google Contacts.
         if (!TextUtils.isEmpty(name)) {
             name = name.trim();
         }
         // Note we don't check if the loader finished populating mExistingGroups. It's not the
         // end of the world if the user ends up with a duplicate group and in practice it should
         // never really happen (the query should complete much sooner than the user can edit the
         // label)
         if (mExistingGroups.contains(name)) {
             mGroupNameTextLayout.setError(
                     getString(R.string.groupExistsErrorMessage));
             button.setEnabled(false);
             return;
         }
         final String callbackAction = getArguments().getString(ARG_CALLBACK_ACTION);
         final Intent serviceIntent;
         if (mIsInsert) {
             serviceIntent = ContactSaveService.createNewGroupIntent(getActivity(), mAccount,
                     name, null, getActivity().getClass(), callbackAction);
         } else {
             serviceIntent = ContactSaveService.createGroupRenameIntent(getActivity(), mGroupId,
                     name, getActivity().getClass(), callbackAction);
         }
         ContactSaveService.startService(getActivity(), serviceIntent);
         getListener().onGroupNameEditCompleted(mGroupName);
         dismiss();
     }

     @Override
     public void onCancel(DialogInterface dialog) {
         super.onCancel(dialog);
         getListener().onGroupNameEditCancelled();
     }

     @Override
     public void onSaveInstanceState(Bundle outState) {
         super.onSaveInstanceState(outState);
         outState.putString(KEY_GROUP_NAME, getGroupName());
     }

     @Override
     public Loader<Cursor> onCreateLoader(int id, Bundle args) {
         // Only a single loader so id is ignored.
         return new CursorLoader(getActivity(), Groups.CONTENT_SUMMARY_URI,
                 new String[]{Groups.TITLE, Groups.SYSTEM_ID, Groups.ACCOUNT_TYPE,
                         Groups.SUMMARY_COUNT, Groups.GROUP_IS_READ_ONLY},
                 getSelection(), getSelectionArgs(), null);
     }

     @Override
     public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
         mExistingGroups = new HashSet<>();
         final GroupUtil.GroupsProjection projection = new GroupUtil.GroupsProjection(data);
         // Initialize cursor's position. If Activity relaunched by orientation change,
         // only onLoadFinished is called. OnCreateLoader is not called.
         // The cursor's position is remain end position by moveToNext when the last onLoadFinished
         // was called. Therefore, if cursor position was not initialized mExistingGroups is empty.
         data.moveToPosition(-1);
         while (data.moveToNext()) {
             String title = projection.getTitle(data);
             // Trim existing group name.
             // When " Group " exists, do not save "Group".
             // This behavior is the same as Google Contacts.
             if (!TextUtils.isEmpty(title)) {
                 title = title.trim();
             }
             // Empty system groups aren't shown in the nav drawer so it would be confusing to tell
             // the user that they already exist. Instead we allow them to create a duplicate
             // group in this case. This is how the web handles this case as well (it creates a
             // new non-system group if a new group with a title that matches a system group is
             // create).
             if (projection.isEmptyFFCGroup(data)) {
                 continue;
             }
             mExistingGroups.add(title);
         }
     }

     @Override
     public void onLoaderReset(Loader<Cursor> loader) {
     }

     private void showInputMethod(View view) {
         if (getActivity() == null) {
             return;
         }
         final InputMethodManager imm = (InputMethodManager) getActivity().getSystemService(
                 Context.INPUT_METHOD_SERVICE);
         if (imm != null) {
             imm.showSoftInput(view, /* flags */ 0);
         }
     }

     private void hideInputMethod() {
         final InputMethodManager imm = (InputMethodManager) getActivity().getSystemService(
                 Context.INPUT_METHOD_SERVICE);
         if (imm != null && mGroupNameEditText != null) {
             imm.hideSoftInputFromWindow(mGroupNameEditText.getWindowToken(), /* flags */ 0);
         }
     }

     private Listener getListener() {
         if (mListener != null) {
             return mListener;
         } else if (getActivity() instanceof Listener) {
             return (Listener) getActivity();
         } else {
             return Listener.None;
         }
     }

     private String getGroupName() {
         return mGroupNameEditText == null || mGroupNameEditText.getText() == null
                 ? null : mGroupNameEditText.getText().toString();
     }

     private String getSelection() {
         final StringBuilder builder = new StringBuilder();
         builder.append(Groups.ACCOUNT_NAME).append(mAccount.name == null ? " IS NULL " : "=?")
                 .append(" AND ")
                 .append(Groups.ACCOUNT_TYPE).append(mAccount.type == null ? " IS NULL " : "=?")
                 .append(" AND ")
                 .append(Groups.DATA_SET).append(mAccount.dataSet == null ? " IS NULL " : "=?")
                 .append(" AND ")
                 .append(Groups.DELETED).append("=0");
         return builder.toString();
     }

     private String[] getSelectionArgs() {
         if (mAccount.isNullAccount()) {
             return null;
         } else if (mAccount.dataSet == null) {
             return new String[]{
                     mAccount.name,
                     mAccount.type
             };
         } else {
             return new String[]{
                     mAccount.name,
                     mAccount.type,
                     mAccount.dataSet
             };
         }
     }
 }
	/*
	* Copyright (C) 2016 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, softwareateCre
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License
	*/
	package com.android.contacts.group;

	import android.app.Dialog;
	import android.app.DialogFragment;
	import android.app.LoaderManager;
	import android.content.Context;
	import android.content.CursorLoader;
	import android.content.DialogInterface;
	import android.content.DialogInterface.OnClickListener;
	import android.content.Intent;
	import android.content.Loader;
	import android.database.Cursor;
	import android.os.Bundle;
	import android.provider.ContactsContract.Groups;
	import android.text.Editable;
	import android.text.TextUtils;
	import android.text.TextWatcher;
	import android.view.View;
	import android.view.WindowManager;
	import android.view.inputmethod.InputMethodManager;
	import android.widget.Button;
	import android.widget.EditText;
	import android.widget.TextView;

	import androidx.appcompat.app.AlertDialog;

	import com.android.contacts.ContactSaveService;
	import com.android.contacts.R;
	import com.android.contacts.model.account.AccountWithDataSet;

	import com.google.android.material.textfield.TextInputLayout;
	import com.google.common.base.Strings;

	import java.util.Collections;
	import java.util.HashSet;
	import java.util.Set;

	/**
	* Edits the name of a group.
	*/
	public final class GroupNameEditDialogFragment extends DialogFragment implements
	LoaderManager.LoaderCallbacks<Cursor> {

	private static final String KEY_GROUP_NAME = "groupName";

	private static final String ARG_IS_INSERT = "isInsert";
	private static final String ARG_GROUP_NAME = "groupName";
	private static final String ARG_ACCOUNT = "account";
	private static final String ARG_CALLBACK_ACTION = "callbackAction";
	private static final String ARG_GROUP_ID = "groupId";

	private static final long NO_GROUP_ID = -1;


	/** Callbacks for hosts of the {@link GroupNameEditDialogFragment}. */
	public interface Listener {
	void onGroupNameEditCancelled();

	void onGroupNameEditCompleted(String name);

	public static final Listener None = new Listener() {
	@Override
	public void onGroupNameEditCancelled() {
	}

	@Override
	public void onGroupNameEditCompleted(String name) {
	}
	};
	}

	private boolean mIsInsert;
	private String mGroupName;
	private long mGroupId;
	private Listener mListener;
	private AccountWithDataSet mAccount;
	private EditText mGroupNameEditText;
	private TextInputLayout mGroupNameTextLayout;
	private Set<String> mExistingGroups = Collections.emptySet();

	public static GroupNameEditDialogFragment newInstanceForCreation(
	AccountWithDataSet account, String callbackAction) {
	return newInstance(account, callbackAction, NO_GROUP_ID, null);
	}

	public static GroupNameEditDialogFragment newInstanceForUpdate(
	AccountWithDataSet account, String callbackAction, long groupId, String groupName) {
	return newInstance(account, callbackAction, groupId, groupName);
	}

	private static GroupNameEditDialogFragment newInstance(
	AccountWithDataSet account, String callbackAction, long groupId, String groupName) {
	if (account == null) {
	throw new IllegalArgumentException("Invalid account");
	}
	final boolean isInsert = groupId == NO_GROUP_ID;
	final Bundle args = new Bundle();
	args.putBoolean(ARG_IS_INSERT, isInsert);
	args.putLong(ARG_GROUP_ID, groupId);
	args.putString(ARG_GROUP_NAME, groupName);
	args.putParcelable(ARG_ACCOUNT, account);
	args.putString(ARG_CALLBACK_ACTION, callbackAction);

	final GroupNameEditDialogFragment dialog = new GroupNameEditDialogFragment();
	dialog.setArguments(args);
	return dialog;
	}

	@Override
	public void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setStyle(STYLE_NORMAL, R.style.ContactsAlertDialogThemeAppCompat);
	final Bundle args = getArguments();
	if (savedInstanceState == null) {
	mGroupName = args.getString(KEY_GROUP_NAME);
	} else {
	mGroupName = savedInstanceState.getString(ARG_GROUP_NAME);
	}

	mGroupId = args.getLong(ARG_GROUP_ID, NO_GROUP_ID);
	mIsInsert = args.getBoolean(ARG_IS_INSERT, true);
	mAccount = getArguments().getParcelable(ARG_ACCOUNT);

	// There is only one loader so the id arg doesn't matter.
	getLoaderManager().initLoader(0, null, this);
	}

	@Override
	public Dialog onCreateDialog(Bundle savedInstanceState) {
	// Build a dialog with two buttons and a view of a single EditText input field
	final TextView title = (TextView) View.inflate(getActivity(), R.layout.dialog_title, null);
	title.setText(mIsInsert
	? R.string.group_name_dialog_insert_title
	: R.string.group_name_dialog_update_title);
	final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity(), getTheme())
	.setCustomTitle(title)
	.setView(R.layout.group_name_edit_dialog)
	.setNegativeButton(android.R.string.cancel, new OnClickListener() {
	@Override
	public void onClick(DialogInterface dialog, int which) {
	hideInputMethod();
	getListener().onGroupNameEditCancelled();
	dismiss();
	}
	})
	// The Positive button listener is defined below in the OnShowListener to
	// allow for input validation
	.setPositiveButton(android.R.string.ok, null);

	// Disable the create button when the name is empty
	final AlertDialog alertDialog = builder.create();
	alertDialog.getWindow().setSoftInputMode(
	WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
	alertDialog.setOnShowListener(new DialogInterface.OnShowListener() {
	@Override
	public void onShow(DialogInterface dialog) {
	mGroupNameEditText = (EditText) alertDialog.findViewById(android.R.id.text1);
	mGroupNameTextLayout =
	(TextInputLayout) alertDialog.findViewById(R.id.text_input_layout);
	if (!TextUtils.isEmpty(mGroupName)) {
	mGroupNameEditText.setText(mGroupName);
	// Guard against already created group names that are longer than the max
	final int maxLength = getResources().getInteger(
	R.integer.group_name_max_length);
	mGroupNameEditText.setSelection(
	mGroupName.length() > maxLength ? maxLength : mGroupName.length());
	}
	showInputMethod(mGroupNameEditText);

	final Button createButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
	createButton.setEnabled(!TextUtils.isEmpty(getGroupName()));

	// Override the click listener to prevent dismissal if creating a duplicate group.
	createButton.setOnClickListener(new View.OnClickListener() {
	@Override
	public void onClick(View v) {
	maybePersistCurrentGroupName(v);
	}
	});
	mGroupNameEditText.addTextChangedListener(new TextWatcher() {
	@Override
	public void beforeTextChanged(CharSequence s, int start, int count, int after) {
	}

	@Override
	public void onTextChanged(CharSequence s, int start, int before, int count) {
	}

	@Override
	public void afterTextChanged(Editable s) {
	mGroupNameTextLayout.setError(null);
	createButton.setEnabled(!TextUtils.isEmpty(s));
	}
	});
	}
	});

	return alertDialog;
	}

	/**
	* Sets the listener for the rename
	*
	* Setting a listener on a fragment is error prone since it will be lost if the fragment
	* is recreated. This exists because it is used from a view class (GroupMembersView) which
	* needs to modify it's state when this fragment updates the name.
	*
	* @param listener the listener. can be null
	*/
	public void setListener(Listener listener) {
	mListener = listener;
	}

	private boolean hasNameChanged() {
	final String name = Strings.nullToEmpty(getGroupName());
	final String originalName = getArguments().getString(ARG_GROUP_NAME);
	return (mIsInsert && !name.isEmpty()) \|\| !name.equals(originalName);
	}

	private void maybePersistCurrentGroupName(View button) {
	if (!hasNameChanged()) {
	dismiss();
	return;
	}
	String name = getGroupName();
	// Trim group name, when group is saved.
	// When "Group" exists, do not save " Group ". This behavior is the same as Google Contacts.
	if (!TextUtils.isEmpty(name)) {
	name = name.trim();
	}
	// Note we don't check if the loader finished populating mExistingGroups. It's not the
	// end of the world if the user ends up with a duplicate group and in practice it should
	// never really happen (the query should complete much sooner than the user can edit the
	// label)
	if (mExistingGroups.contains(name)) {
	mGroupNameTextLayout.setError(
	getString(R.string.groupExistsErrorMessage));
	button.setEnabled(false);
	return;
	}
	final String callbackAction = getArguments().getString(ARG_CALLBACK_ACTION);
	final Intent serviceIntent;
	if (mIsInsert) {
	serviceIntent = ContactSaveService.createNewGroupIntent(getActivity(), mAccount,
	name, null, getActivity().getClass(), callbackAction);
	} else {
	serviceIntent = ContactSaveService.createGroupRenameIntent(getActivity(), mGroupId,
	name, getActivity().getClass(), callbackAction);
	}
	ContactSaveService.startService(getActivity(), serviceIntent);
	getListener().onGroupNameEditCompleted(mGroupName);
	dismiss();
	}

	@Override
	public void onCancel(DialogInterface dialog) {
	super.onCancel(dialog);
	getListener().onGroupNameEditCancelled();
	}

	@Override
	public void onSaveInstanceState(Bundle outState) {
	super.onSaveInstanceState(outState);
	outState.putString(KEY_GROUP_NAME, getGroupName());
	}

	@Override
	public Loader<Cursor> onCreateLoader(int id, Bundle args) {
	// Only a single loader so id is ignored.
	return new CursorLoader(getActivity(), Groups.CONTENT_SUMMARY_URI,
	new String[]{Groups.TITLE, Groups.SYSTEM_ID, Groups.ACCOUNT_TYPE,
	Groups.SUMMARY_COUNT, Groups.GROUP_IS_READ_ONLY},
	getSelection(), getSelectionArgs(), null);
	}

	@Override
	public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
	mExistingGroups = new HashSet<>();
	final GroupUtil.GroupsProjection projection = new GroupUtil.GroupsProjection(data);
	// Initialize cursor's position. If Activity relaunched by orientation change,
	// only onLoadFinished is called. OnCreateLoader is not called.
	// The cursor's position is remain end position by moveToNext when the last onLoadFinished
	// was called. Therefore, if cursor position was not initialized mExistingGroups is empty.
	data.moveToPosition(-1);
	while (data.moveToNext()) {
	String title = projection.getTitle(data);
	// Trim existing group name.
	// When " Group " exists, do not save "Group".
	// This behavior is the same as Google Contacts.
	if (!TextUtils.isEmpty(title)) {
	title = title.trim();
	}
	// Empty system groups aren't shown in the nav drawer so it would be confusing to tell
	// the user that they already exist. Instead we allow them to create a duplicate
	// group in this case. This is how the web handles this case as well (it creates a
	// new non-system group if a new group with a title that matches a system group is
	// create).
	if (projection.isEmptyFFCGroup(data)) {
	continue;
	}
	mExistingGroups.add(title);
	}
	}

	@Override
	public void onLoaderReset(Loader<Cursor> loader) {
	}

	private void showInputMethod(View view) {
	if (getActivity() == null) {
	return;
	}
	final InputMethodManager imm = (InputMethodManager) getActivity().getSystemService(
	Context.INPUT_METHOD_SERVICE);
	if (imm != null) {
	imm.showSoftInput(view, /* flags */ 0);
	}
	}

	private void hideInputMethod() {
	final InputMethodManager imm = (InputMethodManager) getActivity().getSystemService(
	Context.INPUT_METHOD_SERVICE);
	if (imm != null && mGroupNameEditText != null) {
	imm.hideSoftInputFromWindow(mGroupNameEditText.getWindowToken(), /* flags */ 0);
	}
	}

	private Listener getListener() {
	if (mListener != null) {
	return mListener;
	} else if (getActivity() instanceof Listener) {
	return (Listener) getActivity();
	} else {
	return Listener.None;
	}
	}

	private String getGroupName() {
	return mGroupNameEditText == null \|\| mGroupNameEditText.getText() == null
	? null : mGroupNameEditText.getText().toString();
	}

	private String getSelection() {
	final StringBuilder builder = new StringBuilder();
	builder.append(Groups.ACCOUNT_NAME).append(mAccount.name == null ? " IS NULL " : "=?")
	.append(" AND ")
	.append(Groups.ACCOUNT_TYPE).append(mAccount.type == null ? " IS NULL " : "=?")
	.append(" AND ")
	.append(Groups.DATA_SET).append(mAccount.dataSet == null ? " IS NULL " : "=?")
	.append(" AND ")
	.append(Groups.DELETED).append("=0");
	return builder.toString();
	}

	private String[] getSelectionArgs() {
	if (mAccount.isNullAccount()) {
	return null;
	} else if (mAccount.dataSet == null) {
	return new String[]{
	mAccount.name,
	mAccount.type
	};
	} else {
	return new String[]{
	mAccount.name,
	mAccount.type,
	mAccount.dataSet
	};
	}
	}
	}