com.piusvelte.cloudset.android.AccountsFragment.java Source code

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Here is the source code for com.piusvelte.cloudset.android.AccountsFragment.java

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/*
 * CloudSet - Android devices settings synchronization
 * Copyright (C) 2013 Bryan Emmanuel
 *
 * This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *  Bryan Emmanuel piusvelte@gmail.com
 */
package com.piusvelte.cloudset.android;

import java.util.ArrayList;

import android.accounts.Account;
import android.accounts.AccountManager;
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.TextView;

import com.google.android.gms.auth.GoogleAuthUtil;

public class AccountsFragment extends ListFragment {

    ArrayAdapter<String> adapter;
    Button deregister;
    TextView empty;

    public AccountsFragment() {
    }

    AccountsListener callback;

    public interface AccountsListener {

        public String getAccount();

        public void setAccount(String account);

        public boolean hasAccount();

    }

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

    private void getAccountNames() {
        adapter.clear();
        AccountManager accountManager = AccountManager.get(getActivity().getApplicationContext());
        Account[] accounts = accountManager.getAccountsByType(GoogleAuthUtil.GOOGLE_ACCOUNT_TYPE);

        String[] names = new String[accounts.length];
        for (int i = 0; i < names.length; i++) {
            adapter.add(accounts[i].name);
        }

        adapter.notifyDataSetChanged();
    }

    @Override
    public void onListItemClick(ListView list, View view, int position, long id) {
        super.onListItemClick(list, view, position, id);
        callback.setAccount(adapter.getItem(position));
        empty.setText(R.string.registering);
        adapter.clear();
        adapter.notifyDataSetChanged();
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        final View rootView = inflater.inflate(R.layout.accounts, container, false);
        deregister = (Button) rootView.findViewById(R.id.deregister);
        empty = (TextView) rootView.findViewById(android.R.id.empty);
        deregister.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                callback.setAccount(null);
                setContent();
            }

        });
        return rootView;
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        adapter = new ArrayAdapter<String>(getActivity(), android.R.layout.simple_list_item_1,
                new ArrayList<String>());
        setListAdapter(adapter);
    }

    @Override
    public void onResume() {
        super.onResume();
        setContent();
    }

    private void setContent() {
        View v = getView();

        if (callback.hasAccount()) {
            v.findViewById(android.R.id.list).setVisibility(View.GONE);
            v.findViewById(android.R.id.empty).setVisibility(View.GONE);
            TextView tv = (TextView) v.findViewById(R.id.account);
            tv.setText(callback.getAccount());
            tv.setVisibility(View.VISIBLE);
            v.findViewById(R.id.deregister).setVisibility(View.VISIBLE);
        } else {
            v.findViewById(android.R.id.list).setVisibility(View.VISIBLE);
            v.findViewById(android.R.id.empty).setVisibility(View.VISIBLE);
            TextView tv = (TextView) v.findViewById(R.id.account);
            tv.setText("");
            tv.setVisibility(View.GONE);
            v.findViewById(R.id.deregister).setVisibility(View.GONE);
            getAccountNames();
        }
    }
}