br.com.bioscada.apps.biotracks.fragments.ChooseAccountDialogFragment.java Source code

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Here is the source code for br.com.bioscada.apps.biotracks.fragments.ChooseAccountDialogFragment.java

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/*
 * Copyright 2013 Google Inc.
 *
 * 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, software
 * 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 br.com.bioscada.apps.biotracks.fragments;

import android.accounts.Account;
import android.accounts.AccountManager;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;

import br.com.bioscada.apps.biotracks.Constants;
import br.com.bioscada.apps.biotracks.R;
import br.com.bioscada.apps.biotracks.util.PreferencesUtils;

/**
 * A DialogFragment to choose an account.
 * 
 * @author Jimmy Shih
 */
public class ChooseAccountDialogFragment extends AbstractMyTracksDialogFragment {

    /**
     * Interface for caller of this dialog fragment.
     * 
     * @author Jimmy Shih
     */
    public interface ChooseAccountCaller {

        /**
         * Called when choose account is done.
         * 
         * @param account the account chosen
         */
        public void onChooseAccountDone(String account);
    }

    public static final String CHOOSE_ACCOUNT_DIALOG_TAG = "chooseAccount";

    private ChooseAccountCaller caller;
    private Account[] accounts;

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        try {
            caller = (ChooseAccountCaller) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException(
                    activity.toString() + " must implement " + ChooseAccountCaller.class.getSimpleName());
        }
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        FragmentActivity fragmentActivity = getActivity();
        accounts = AccountManager.get(fragmentActivity).getAccountsByType(Constants.ACCOUNT_TYPE);

        if (accounts.length == 1) {
            dismiss();
            caller.onChooseAccountDone(accounts[0].name);
            return;
        }
    }

    @Override
    protected Dialog createDialog() {
        if (accounts.length == 0) {
            return new AlertDialog.Builder(getActivity()).setMessage(R.string.send_google_no_account_message)
                    .setTitle(R.string.send_google_no_account_title)
                    .setPositiveButton(R.string.generic_ok, new OnClickListener() {

                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            caller.onChooseAccountDone(PreferencesUtils.GOOGLE_ACCOUNT_DEFAULT);
                        }
                    }).create();
        }
        String[] choices = new String[accounts.length];
        for (int i = 0; i < accounts.length; i++) {
            choices[i] = accounts[i].name;
        }
        return new AlertDialog.Builder(getActivity())
                .setNegativeButton(R.string.generic_cancel, new OnClickListener() {

                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        caller.onChooseAccountDone(PreferencesUtils.GOOGLE_ACCOUNT_DEFAULT);

                    }
                }).setPositiveButton(R.string.generic_ok, new OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        int position = ((AlertDialog) dialog).getListView().getCheckedItemPosition();
                        caller.onChooseAccountDone(accounts[position].name);
                    }
                }).setSingleChoiceItems(choices, 0, null).setTitle(R.string.send_google_choose_account_title)
                .create();
    }

    @Override
    public void onCancel(DialogInterface dialog) {
        caller.onChooseAccountDone(PreferencesUtils.GOOGLE_ACCOUNT_DEFAULT);
    }
}