Java tutorial
/* * Licensed Materials - Property of IBM * Copyright IBM Corporation 2015. All Rights Reserved. */ package com.ibm.mil.readyapps.telco.activities; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.graphics.Typeface; import android.os.Bundle; import android.support.design.widget.FloatingActionButton; import android.support.design.widget.TabLayout; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentPagerAdapter; import android.support.v4.app.NotificationCompat; import android.support.v4.view.GestureDetectorCompat; import android.support.v4.view.ViewPager; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.Toolbar; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.MotionEvent; import android.view.View; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TextView; import com.ibm.mil.cafejava.CafeJava; import com.ibm.mil.readyapps.telco.BuildConfig; import com.ibm.mil.readyapps.telco.R; import com.ibm.mil.readyapps.telco.analytics.AnalyticsCnsts; import com.ibm.mil.readyapps.telco.analytics.GestureListener; import com.ibm.mil.readyapps.telco.analytics.NavTracker; import com.ibm.mil.readyapps.telco.baseplan.BasePlan; import com.ibm.mil.readyapps.telco.baseplan.BasePlanModelImpl; import com.ibm.mil.readyapps.telco.hotspots.HotSpotActivity; import com.ibm.mil.readyapps.telco.mydata.DataFragment; import com.ibm.mil.readyapps.telco.myplan.MyPlanFragment; import com.ibm.mil.readyapps.telco.myplan.MyPlanPresenter; import com.ibm.mil.readyapps.telco.mytalk.TalkFragment; import com.ibm.mil.readyapps.telco.mytext.TextFragment; import com.ibm.mil.readyapps.telco.offers.Offer; import com.ibm.mil.readyapps.telco.onboarding.OnboardingActivity; import com.ibm.mil.readyapps.telco.recharge.RechargeActivity; import com.ibm.mil.readyapps.telco.utils.Currency; import com.ibm.mil.readyapps.telco.utils.FontCache; import com.ibm.mil.readyapps.telco.utils.PlanConstants; import com.ibm.mil.readyapps.telco.utils.TelcoChallengeHandler; import com.ibm.mil.readyapps.telco.utils.TwitterHelper; import com.ibm.mqa.MQA; import com.ibm.mqa.config.Configuration; import com.twitter.sdk.android.core.identity.TwitterAuthClient; import com.worklight.common.WLAnalytics; import com.worklight.wlclient.api.WLClient; import com.worklight.wlclient.api.WLResponse; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import butterknife.ButterKnife; import butterknife.Bind; import rx.android.schedulers.AndroidSchedulers; import rx.functions.Action1; import rx.schedulers.Schedulers; import rx.subjects.PublishSubject; /** * Main landing Activity of app that contains all the tab bar fragments. */ @SuppressWarnings("unused") public class MainActivity extends AppCompatActivity implements TabLayout.OnTabSelectedListener { public static Context context; public static final int MY_PLAN = 0; private static final String TAG = MainActivity.class.getName(); private static final int DATA = 1; private static final int TALK = 2; private static final int TEXT = 3; private GestureDetectorCompat detector; public static final PublishSubject<Integer> tabChangeStream = PublishSubject.create(); List<ImageView> tabImages; @Bind(R.id.toolbar) Toolbar toolbar; @Bind(R.id.tab_layout) TabLayout tabLayout; @Bind(R.id.view_pager) ViewPager viewPager; @Bind(R.id.main_activity_fab) FloatingActionButton floatingActionButton; @Bind(R.id.current_plan_total) TextView currentPlanTotal; @Bind(R.id.plan_tab_image) ImageView planTabImage; @Bind(R.id.data_tab_image) ImageView dataTabImage; @Bind(R.id.talk_tab_image) ImageView talkTabImage; @Bind(R.id.text_tab_image) ImageView textTabImage; private MyPlanPresenter myPlanPresenter; private Intent rechargeIntent; private TwitterAuthClient twitterAuthClient; private ViewPagerAdapter pagerAdapter; /** * Responsible for setting up tab layout with fragments * and other various setup tasks. * * @param savedInstanceState previous state of activity */ @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); detector = new GestureDetectorCompat(this, new GestureListener()); ButterKnife.bind(this); setSupportActionBar(toolbar); tabImages = Arrays.asList(planTabImage, dataTabImage, talkTabImage, textTabImage); rechargeIntent = new Intent(MainActivity.this, RechargeActivity.class); twitterAuthClient = new TwitterAuthClient(); pagerAdapter = new ViewPagerAdapter(getSupportFragmentManager()); pagerAdapter.addTabFragment(new TabFragment(getString(R.string.my_plan), new MyPlanFragment())); pagerAdapter.addTabFragment(new TabFragment(getString(R.string.data), new DataFragment())); pagerAdapter.addTabFragment(new TabFragment(getString(R.string.talk), new TalkFragment())); pagerAdapter.addTabFragment(new TabFragment(getString(R.string.text), new TextFragment())); viewPager.setAdapter(pagerAdapter); viewPager.setOffscreenPageLimit(3); tabLayout.setupWithViewPager(viewPager); tabLayout.setOnTabSelectedListener(this); updateTabText(pagerAdapter); floatingActionButton.setBackgroundTintList(getResources().getColorStateList(R.color.orange)); context = this; updateFABForMyPlanTab(); setImageHighlight(planTabImage); subscribeForToolbarCostUpdates(); // configure and start MQA String MQA_KEY = getString(R.string.mqaKey); Configuration configuration = new Configuration.Builder(this).withAPIKey(MQA_KEY).withMode(MQA.Mode.MARKET) .withReportOnShakeEnabled(true).build(); // Only want to start an MQA session when sending out a signed release build Boolean startMQA = !BuildConfig.DEBUG; if (startMQA) { MQA.startNewSession(this, configuration); } // connect to MFP and register ChallengeHandler CafeJava.connect(this).subscribe(new Action1<WLResponse>() { @Override public void call(WLResponse wlResponse) { Log.d(TAG, "Connection succeeded: " + wlResponse.getResponseText()); WLClient.getInstance().registerChallengeHandler(new TelcoChallengeHandler()); } }, new Action1<Throwable>() { @Override public void call(Throwable throwable) { Log.d(TAG, "Connection failed: " + throwable.getMessage()); } }); WLAnalytics.setContext(this); } @Override public boolean dispatchTouchEvent(MotionEvent ev) { try { return super.dispatchTouchEvent(ev); } catch (Throwable t) { t.printStackTrace(); return false; } } @Override protected void onStart() { super.onStart(); updateTabText(pagerAdapter); } /** * Programmatically take away all caps for tab bar titles. * * @param pagerAdapter needed so we know how many tabs to loop through */ private void updateTabText(ViewPagerAdapter pagerAdapter) { Typeface font = FontCache.get("Roboto-Regular.ttf", context); for (int i = 0; i < pagerAdapter.getCount(); i++) { TextView tv = (TextView) (((LinearLayout) ((LinearLayout) tabLayout.getChildAt(0)).getChildAt(i)) .getChildAt(0)); tv.setAllCaps(false); tv.setTypeface(font); } } /** * Listen for any updates to Base Plan so the * ToolBar cost can be updated accordingly. */ private void subscribeForToolbarCostUpdates() { new BasePlanModelImpl().getBasePlanStream().subscribeOn(Schedulers.io()) .observeOn(AndroidSchedulers.mainThread()).subscribe(new Action1<BasePlan>() { @Override public void call(BasePlan basePlan) { setToolbarText(basePlan); } }); } /** * Actually update the cost TextView with updated BasePlan info. * * @param basePlan the updated BasePlan object with new cost info */ private void setToolbarText(BasePlan basePlan) { double totalCost = basePlan.getTotalCost(); String localizedTotalCost = Currency.localize(totalCost, false); currentPlanTotal.setText(localizedTotalCost); } /** * Called every time a tab is selected. Useful for updating FAB * to respond appropriately depending on which tab is active, * and updating view of tabs to show active tab. * * @param tab the tab that was selected */ @Override public void onTabSelected(final TabLayout.Tab tab) { int tabPosition = tab.getPosition(); viewPager.setCurrentItem(tabPosition, true); tabChangeStream.onNext(tabPosition); @AnalyticsCnsts.Page String page = null; switch (tabPosition) { case MY_PLAN: page = AnalyticsCnsts.MYPLAN; updateFABForMyPlanTab(); setImageHighlight(planTabImage); break; case DATA: page = AnalyticsCnsts.MYDATA; rechargeIntent.putExtra(RechargeActivity.TYPE_BUNDLE_KEY, PlanConstants.DATA); updateFABForDataTalkText(); setImageHighlight(dataTabImage); break; case TALK: page = AnalyticsCnsts.MYTALK; rechargeIntent.putExtra(RechargeActivity.TYPE_BUNDLE_KEY, PlanConstants.TALK); updateFABForDataTalkText(); setImageHighlight(talkTabImage); break; case TEXT: page = AnalyticsCnsts.MYTEXT; rechargeIntent.putExtra(RechargeActivity.TYPE_BUNDLE_KEY, PlanConstants.TEXT); updateFABForDataTalkText(); setImageHighlight(textTabImage); break; } NavTracker.getInstance().setScreen(page); } /** * Empty override. Necessary because implementing TabLayout.OnTabSelectedListener. * * @param tab the tab that was unselected */ @Override public void onTabUnselected(TabLayout.Tab tab) { } /** * Empty override. Necessary because implementing TabLayout.OnTabSelectedListener. * * @param tab the tab that was reselected */ @Override public void onTabReselected(TabLayout.Tab tab) { } /** * Highlight the active tab image while dimming all other tab images. * * @param tabImageToHighlight the tab image to highlight */ private void setImageHighlight(ImageView tabImageToHighlight) { for (ImageView image : tabImages) { if (image == tabImageToHighlight) { image.setAlpha((float) 1.0); } else { image.setAlpha((float) 0.5); } } } /** * Inflate the overflow menu for MainActivity. * * @param menu the menu to inflate * @return true if you want menu to be shown, false otherwise */ @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.menu_main, menu); return true; } /** * Callback method for when user taps an option in overflow menu. * * @param item the item that was tapped * @return true for tap event to be consumed by this method, * false to allow falling through to other item click functions */ @Override public boolean onOptionsItemSelected(MenuItem item) { if (item.getItemId() == R.id.action_walkthrough) { Intent intent = new Intent(this, OnboardingActivity.class); intent.putExtra(OnboardingActivity.COMING_FROM_OVERFLOW, true); startActivity(intent); return true; } return super.onOptionsItemSelected(item); } /** * Update the FAB image and click listener for My Plan tab. */ private void updateFABForMyPlanTab() { floatingActionButton.setImageResource(R.drawable.wifi_white); floatingActionButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { NavTracker.getInstance().setScreen(AnalyticsCnsts.WIFI); startActivity(new Intent(MainActivity.this, HotSpotActivity.class)); } }); } /** * Update the FAB image and click listener for Data/Talk/Text tabs. */ private void updateFABForDataTalkText() { floatingActionButton.setImageResource(R.drawable.recharge_white); floatingActionButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { NavTracker.getInstance().setScreen(AnalyticsCnsts.RECHARGE); startActivity(rechargeIntent); } }); } /** * Set the presenter being used by MyPlan. * * @param presenter the presenter being used */ public void setMyPlanPresenter(MyPlanPresenter presenter) { myPlanPresenter = presenter; } /** * Generates a hotspot system notification. * * @param item the menu item to select */ public void generateHotspotNotification(MenuItem item) { Intent intent = new Intent(this, HotSpotActivity.class); PendingIntent pIntent = PendingIntent.getActivity(this, 0, intent, 0); NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this) .setContentTitle(getString(R.string.hotspot_notification_title)) .setContentText(getString(R.string.hotspot_notification_body)) .setSmallIcon(R.drawable.ic_stat_acme_transparent) .setColor(getResources().getColor(R.color.dark_indigo)).setAutoCancel(true) .setContentIntent(pIntent); int mNotificationId = 2; NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); notificationManager.notify(mNotificationId, mBuilder.build()); } /** * Generates a demo offer and a system notification about said offer. * * @param item the menu item to select */ public void generateDemoOffer(MenuItem item) { Offer offerToAdd = new Offer(getString(R.string.unlimited_sundays), getString(R.string.offer_recharge), R.drawable.recharge, 5.00, "recharge", false, false, true); if (myPlanPresenter != null) { myPlanPresenter.addOffer(offerToAdd); } Intent intent = new Intent(this, MainActivity.class); PendingIntent pIntent = PendingIntent.getActivity(this, 0, intent, 0); NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this) .setStyle(new NotificationCompat.BigTextStyle().bigText(getString(R.string.recharge_notification))) .setContentTitle(getString(R.string.offer_notification_title)) .setContentText(getString(R.string.recharge_notification)) .setSmallIcon(R.drawable.ic_stat_acme_transparent) .setColor(getResources().getColor(R.color.dark_indigo)).setAutoCancel(true) .setContentIntent(pIntent); int mNotificationId = 1; NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); notificationManager.notify(mNotificationId, mBuilder.build()); } /** * Update user's Twitter status if already granted the app access, * or ask for access and then Tweet (if access granted) otherwise. * * @param status the Twitter status update for the user */ public void tryToTweet(final String status) { if (TwitterHelper.alreadyAuthorized()) { TwitterHelper.tweet(status); } else { TwitterHelper.authorizeThenTweet(this, twitterAuthClient, status); } } /** * Needed by Twitter SDK to callback after asking for authorization of app. * * @param requestCode the type of request * @param resultCode the result of the authorization * @param data any data attached to authorization */ @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); twitterAuthClient.onActivityResult(requestCode, resultCode, data); } /** * Set up the ViewPager with Fragments */ private static class ViewPagerAdapter extends FragmentPagerAdapter { private final List<TabFragment> fragmentList = new ArrayList<>(); /** * Initialize a ViewPagerAdapter with the support fragment manager. * * @param fragmentManager the fragment manager to init with */ public ViewPagerAdapter(FragmentManager fragmentManager) { super(fragmentManager); } /** * Get the fragment associated with a position. * * @param position the position of fragment we want to retrieve * @return the fragment at the specified position */ @Override public Fragment getItem(int position) { return fragmentList.get(position).getFragment(); } /** * Returns the number of fragments in the ViewPager. * * @return the number of fragments */ @Override public int getCount() { return fragmentList.size(); } /** * Add a TabFragment instance to the ViewPagerAdapter. * * @param tabFragment the TabFragment to add */ public void addTabFragment(TabFragment tabFragment) { fragmentList.add(tabFragment); } /** * Automatically set the titles of the TabLayout. * * @param position the position we want the title for * @return the title for the specified position */ @Override public CharSequence getPageTitle(int position) { return fragmentList.get(position).getTitle(); } } /** * Helper class for having a Fragment with a tab title. */ private static class TabFragment { private final String title; private final Fragment fragment; public TabFragment(String title, Fragment fragment) { this.title = title; this.fragment = fragment; } public String getTitle() { return title; } public Fragment getFragment() { return fragment; } } @Override public boolean onTouchEvent(MotionEvent event) { this.detector.onTouchEvent(event); return super.onTouchEvent(event); } }