Java tutorial
/** * Copyright (c) 2012 Todoroo Inc * * See the file "LICENSE" for the full license governing this code. */ package com.todoroo.astrid.welcome.tutorial; import java.io.IOException; import java.util.concurrent.TimeUnit; import android.accounts.Account; import android.accounts.AccountManager; import android.accounts.AccountManagerCallback; import android.accounts.AccountManagerFuture; import android.app.ProgressDialog; import android.content.DialogInterface; import android.os.Bundle; import android.support.v4.view.ViewPager; import android.text.TextUtils; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.view.Window; import android.widget.Button; import android.widget.TextView; import android.widget.Toast; import com.google.api.client.googleapis.extensions.android2.auth.GoogleAccountManager; import com.timsu.astrid.R; import com.todoroo.andlib.utility.DialogUtilities; import com.todoroo.astrid.actfm.ActFmGoogleAuthActivity; import com.todoroo.astrid.actfm.ActFmLoginActivity; import com.todoroo.astrid.service.StatisticsConstants; import com.todoroo.astrid.service.StatisticsService; import com.viewpagerindicator.CirclePageIndicator; public class WelcomeWalkthrough extends ActFmLoginActivity { private ViewPager mPager; private WelcomePagerAdapter mAdapter; private Account[] accounts; private CirclePageIndicator mIndicator; private View currentView; private int currentPage; private String authToken; private boolean onSuccess = false; private boolean dismissDialog = false; public static final String KEY_SHOWED_WELCOME_LOGIN = "key_showed_welcome_login"; //$NON-NLS-1$ public static final String TOKEN_MANUAL_SHOW = "manual"; //$NON-NLS-1$ @Override protected void onCreate(Bundle savedInstanceState) { requestWindowFeature(Window.FEATURE_NO_TITLE); super.onCreate(savedInstanceState); mAdapter = new WelcomePagerAdapter(this, getIntent().hasExtra(TOKEN_MANUAL_SHOW)); mAdapter.parent = this; accounts = mAdapter.accounts; mPager = (ViewPager) findViewById(R.id.pager); mPager.setAdapter(mAdapter); mIndicator = (CirclePageIndicator) findViewById(R.id.indicator); mIndicator.setViewPager(mPager); if (mAdapter.getCount() <= 1) { mIndicator.setVisibility(View.GONE); } } @Override protected int getContentViewResource() { return R.layout.welcome_walkthrough; } @Override protected int getTitleResource() { return 0; } public void instantiatePage(int position) { if (position == mAdapter.getCount() - 1) { initializeUI(); } } private int getLoginPageLayout() { return mAdapter.fallbackLoginPage; } @Override protected void initializeUI() { String email = null; if (accounts != null && accounts.length > 0 && !TextUtils.isEmpty(accounts[0].name)) { email = accounts[0].name; } Button simpleLogin = (Button) findViewById(R.id.quick_login_google); if (simpleLogin != null && !TextUtils.isEmpty(email)) { initializeSimpleUI(email); } else { if (mAdapter != null && mAdapter.layouts[mAdapter.layouts.length - 1] != getLoginPageLayout()) mAdapter.changeLoginPage(getLoginPageLayout()); super.initializeUI(); } } private void initializeSimpleUI(final String email) { Button simpleLogin = (Button) findViewById(R.id.quick_login_google); simpleLogin.setText(getString(R.string.actfm_quick_login, email)); simpleLogin.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { StatisticsService.reportEvent(StatisticsConstants.ACTFM_LOGIN_SIMPLE); final ProgressDialog pd = DialogUtilities.progressDialog(WelcomeWalkthrough.this, getString(R.string.gtasks_GLA_authenticating)); pd.show(); getAuthToken(email, pd); } private void getAuthToken(final String e, final ProgressDialog pd) { final GoogleAccountManager accountManager = new GoogleAccountManager(WelcomeWalkthrough.this); Account a = accountManager.getAccountByName(e); AccountManagerCallback<Bundle> callback = new AccountManagerCallback<Bundle>() { public void run(final AccountManagerFuture<Bundle> future) { new Thread() { @Override public void run() { try { Bundle bundle = future.getResult(30, TimeUnit.SECONDS); if (bundle.containsKey(AccountManager.KEY_AUTHTOKEN)) { authToken = bundle.getString(AccountManager.KEY_AUTHTOKEN); if (!onSuccess) { accountManager.manager.invalidateAuthToken( ActFmGoogleAuthActivity.AUTH_TOKEN_TYPE, authToken); getAuthToken(e, pd); onSuccess = true; } else { onAuthTokenSuccess(e, authToken); dismissDialog = true; } } else { dismissDialog = true; } } catch (final Exception e) { Log.e("actfm-google-auth", "Login Error", e); //$NON-NLS-1$ //$NON-NLS-2$ runOnUiThread(new Runnable() { @Override public void run() { int error = e instanceof IOException ? R.string.gtasks_GLA_errorIOAuth : R.string.gtasks_GLA_errorAuth; Toast.makeText(WelcomeWalkthrough.this, error, Toast.LENGTH_LONG) .show(); onAuthError(); } }); } finally { if (dismissDialog) DialogUtilities.dismissDialog(WelcomeWalkthrough.this, pd); } } }.start(); } }; accountManager.manager.getAuthToken(a, ActFmGoogleAuthActivity.AUTH_TOKEN_TYPE, null, WelcomeWalkthrough.this, callback, null); } }); TextView rejectQuickLogin = (TextView) findViewById(R.id.quick_login_reject); rejectQuickLogin.setText(getString(R.string.actfm_quick_login_reject, email)); rejectQuickLogin.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { StatisticsService.reportEvent(StatisticsConstants.ACTFM_LOGIN_SIMPLE_REJECTED); switchToLoginPage(); } }); errors = (TextView) findViewById(R.id.error); } private void onAuthTokenSuccess(final String email, final String authToken) { runOnUiThread(new Runnable() { @Override public void run() { authenticate(email, email, "", "google", authToken); //$NON-NLS-1$ //$NON-NLS-2$ } }); } private void onAuthError() { runOnUiThread(new Runnable() { @Override public void run() { switchToLoginPage(); } }); } private void switchToLoginPage() { mAdapter.changeLoginPage(getLoginPageLayout()); mPager.setAdapter(mAdapter); mPager.setCurrentItem(mAdapter.layouts.length - 1, false); initializeUI(); } public void onPageChanged(View view, int position) { currentPage = position; currentView = view; findViewById(R.id.next).setVisibility(position == mAdapter.getCount() - 1 ? View.GONE : View.VISIBLE); if (currentPage == mAdapter.getCount() - 1) { if (findViewById(R.id.fb_login) != null) { setupLoginLater(); } else { OnClickListener done = new OnClickListener() { @Override public void onClick(View arg0) { finish(); } }; View title = currentView.findViewById(R.id.welcome_walkthrough_title); if (title != null) title.setOnClickListener(done); View image = currentView.findViewById(R.id.welcome_walkthrough_image); if (image != null) image.setOnClickListener(done); } } ((CirclePageIndicator) mIndicator) .setVisibility(currentPage == mAdapter.getCount() - 1 ? View.GONE : View.VISIBLE); } protected void setupPWLogin() { Button pwLogin = (Button) findViewById(R.id.pw_signup); pwLogin.setOnClickListener(signUpListener); } protected void setupLoginLater() { TextView loginLater = (TextView) currentView.findViewById(R.id.login_later); loginLater.setOnClickListener(loginLaterListener); loginLater.setVisibility(View.VISIBLE); } protected final OnClickListener loginLaterListener = new OnClickListener() { @Override public void onClick(View arg0) { String title = getString(R.string.welcome_login_confirm_later_title); String confirmLater = getString(R.string.welcome_login_confirm_later_dialog); DialogUtilities.okCancelCustomDialog(WelcomeWalkthrough.this, title, confirmLater, R.string.welcome_login_confirm_later_ok, R.string.welcome_login_confirm_later_cancel, android.R.drawable.ic_dialog_alert, null, confirmLaterListener); } private final DialogInterface.OnClickListener confirmLaterListener = new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { finish(); } }; }; }