com.manning.androidhacks.hack023.BootstrapActivity.java Source code

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Here is the source code for com.manning.androidhacks.hack023.BootstrapActivity.java

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/*
50AH-code
=========
    
50 Android Hacks (http://manning.com/sessa/) book source code
    
    
Copyright (c) 2012 Manning
    
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
    
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
    
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
    
    
*/

/*******************************************************************************
 * Copyright (c) 2012 Manning
 * See the file license.txt for copying permission.
 ******************************************************************************/
package com.manning.androidhacks.hack023;

import android.accounts.Account;
import android.accounts.AccountManager;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;

import com.manning.androidhacks.hack023.authenticator.AuthenticatorActivity;

public class BootstrapActivity extends Activity {
    private static final String TAG = BootstrapActivity.class.getCanonicalName();
    private static final int NEW_ACCOUNT = 0;
    private static final int EXISTING_ACCOUNT = 1;
    private AccountManager mAccountManager;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.bootstrap);

        mAccountManager = AccountManager.get(this);
        Account[] accounts = mAccountManager.getAccountsByType(AuthenticatorActivity.PARAM_ACCOUNT_TYPE);

        if (accounts.length == 0) {
            // There are no androidHacks accounts! We need to create one.
            Log.d(TAG, "No accounts found. Starting login...");
            final Intent intent = new Intent(this, AuthenticatorActivity.class);
            intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
            startActivityForResult(intent, NEW_ACCOUNT);
        } else {
            // For now we assume that there's only one account.
            String password = mAccountManager.getPassword(accounts[0]);
            Log.d(TAG, "Using account with name " + accounts[0].name);
            if (password == null) {
                Log.d(TAG, "The password is empty, launching login");
                final Intent intent = new Intent(this, AuthenticatorActivity.class);
                intent.putExtra(AuthenticatorActivity.PARAM_USER, accounts[0].name);
                startActivityForResult(intent, EXISTING_ACCOUNT);
            } else {
                Log.d(TAG, "User and password found, no need for manual login");
                // The user is already logged in. Go ahead!
                startActivity(new Intent(this, MainActivity.class));
                finish();
            }
        }
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);

        if (mAccountManager.getAccountsByType(AuthenticatorActivity.PARAM_ACCOUNT_TYPE).length > 0) {
            Intent i = new Intent(this, MainActivity.class);
            startActivity(i);
            finish();
        } else {
            finish();
        }
    }
}