com.noswap.keyring.MainActivity.java Source code

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Here is the source code for com.noswap.keyring.MainActivity.java

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/**
 * Copyright 2013 John Reese
 *
 * 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 com.noswap.keyring;

import android.accounts.Account;
import android.accounts.AccountManager;
import android.accounts.AccountManagerCallback;
import android.accounts.AccountManagerFuture;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.os.Handler;
import android.preference.PreferenceManager;
import android.util.Log;

import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;

import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.app.SherlockFragment;
import com.actionbarsherlock.app.SherlockFragmentActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuItem;
import com.actionbarsherlock.view.MenuInflater;
import com.google.android.gcm.GCMRegistrar;

public class MainActivity extends SherlockFragmentActivity {

    public static final String TAG = "Keyring";
    public static final String SENDER_ID = "192076224105";

    public boolean menuEnabled = true;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        ActionBar actionBar = getSupportActionBar();
        actionBar.setTitle(R.string.app_name);

        FragmentManager manager = getSupportFragmentManager();
        Fragment fragment = manager.findFragmentById(R.id.main_container);

        Intent upgradeIntent = versionUpgrade();
        if (upgradeIntent != null) {
            startActivity(upgradeIntent);
        } else {
            if (fragment == null) {
                manager.beginTransaction().add(R.id.main_container, new LoginFragment()).commit();
            }
        }
    }

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

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        Log.v(TAG, "onCreateOptionsMenu() -- menuEnabled: " + (menuEnabled ? "true" : "false"));
        if (menuEnabled) {
            getSupportMenuInflater().inflate(R.menu.main, menu);
        }
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();
        if (id == R.id.menu_main_settings) {
            startActivity(new Intent(this, SettingsActivity.class));
        } else if (id == R.id.menu_main_about) {
            // TODO: About screen
        } else {
            Log.e(TAG, "Selected unknown menu item id " + id);
        }
        return true;
    }

    private Intent versionUpgrade() {
        Intent intent = null;
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);

        if (prefs.contains("last_version")) {
            // TODO: check if we need to upgrade settings or something
        } else {
            // TODO: inject register/login flow here
        }

        return intent;
    }

    public void doGCMStuff() {
        GCMRegistrar.checkDevice(this);
        GCMRegistrar.checkManifest(this);

        final String regId = GCMRegistrar.getRegistrationId(this);
        if (regId.equals("")) {
            Log.v(TAG, "Registering");
            GCMRegistrar.register(this, SENDER_ID);
        } else {
            Log.v(TAG, "Already registered: " + regId);
        }

        AccountManager am = AccountManager.get(this);
        Account[] accounts = am.getAccountsByType("com.google");
        for (Account account : accounts) {
            Log.v(TAG, "Account: " + account.name + " (" + account.type + ")");
        }

        if (accounts.length > 0) {
            Account account = accounts[0];
            Bundle options = new Bundle();
            am.getAuthToken(account, "Keyring", options, this, new AccountManagerCallback<Bundle>() {
                @Override
                public void run(AccountManagerFuture<Bundle> result) {
                    try {
                        Bundle bundle = result.getResult();
                        String token = bundle.getString(AccountManager.KEY_AUTHTOKEN);
                        Intent intent = (Intent) bundle.get(AccountManager.KEY_INTENT);
                        if (intent != null) {
                            startActivityForResult(intent, 0);
                            return;
                        }
                        Log.v(TAG, "onTokenAcquired: " + token);
                    } catch (Exception e) {
                        Log.v(TAG, "onTokenAcquired exception: " + e.toString());
                    }
                }
            }, new Handler() {
            });

        }
    }
}