What's new in Android (Development) 2015?

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What’s new in Android (Development)? Google I/O Extended Yangon June 2015

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Swan Htet Aung Software Engineer @ nex Product Manager Lead Android Engineer Lead Android Engineer .com

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What’s new in Android (Development)?

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M-Developer Preview

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M Stands for…

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So… what is new?

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app permissions App links Battery Android Pay Fingerprint AutoBackup Adoptable External Storage Devices Improved USB flash drive support Launcher and App drawer Dark Mode Quick Settings Notifications Doze and App Standby (power improvements) Direct Share Hotspot 2.0 Bluetooth Stylus support Text Selection Split keyboard for tablets Multi-window mode

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For development?

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Icon with Bitmap Icon ic = Icon.createWithResource(context, R.drawable.ic_notification);   new Notification.Builder(context) .setSmallIcon(ic) … … … .build();

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Icon with Bitmap Icon ic = Icon.createWithBitmap(iconBitmap);   new Notification.Builder(context) .setSmallIcon(ic) … … … .build();

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Vector Images Bitmap Vector

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Text Processing    

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App Link     http://developer.android.com/preview/features/app-linking.html

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Voice Interaction

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Our dream (2014) Hackathon app “Poh”

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Our dream (2014) • 5 hours • “OK Buddy” • used Pocketsphinx • had to develop custom Dictionary • hard to train • SpeechRecognizer is not good enough (may be I am dumb)

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Voice Interaction (2015) • add Voice Intents • add Activity to handle those intents

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Voice Interaction Dependency compile 'com.google.android.gms:play-services:7.5.0' build.gradle compileSdkVersion "android-MNC"  buildToolsVersion "21.1.2"    defaultConfig {  minSdkVersion "android-MNC"  targetSdkVersion "android-MNC"  }

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                  AndroidManifest.xml

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VoiceReceiveActivity.java Intent intent = getIntent();   if (intent == null) {  finish();  } else {  if (SearchIntents.ACTION_SEARCH.equals(intent.getAction())) {  String query = intent.getStringExtra(SearchManager.QUERY);  tvResult.setText(query);  }  }

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Voice Interaction • Check out System Actions reference https://developers.google.com/voice-actions/system/#system_actions_reference • Not enough? • Submit your Custom Actions https://developers.google.com/voice-actions/custom-actions What’s Next?

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Data Binding

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Data Binding • Still in Beta • Depends on “DataBinding” plugin

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Data Binding (Beta) • declare POJO types • listen directly in layout XML files

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buildscript {  repositories {  jcenter()  }  dependencies {  classpath 'com.android.tools.build:gradle:1.2.3'  classpath "com.android.databinding:dataBinder:1.0-rc0"  }  } build.grade

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build.grade /*[ ... ]*/    apply plugin: 'com.android.application'  apply plugin: 'com.android.databinding'    /*[ ... ]*/

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activity_data_binding.xml                        

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DataBindingActivity.java ActivityDataBindingBinding sampleBinding =  DataBindingUtil.setContentView(this, R.layout.activity_data_binding);    Movie movie = new Movie("Fast & Furious");  sampleBinding.setMovie(movie);

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Data Binding • Check out Data Binding Guide http://developer.android.com/tools/data-binding/guide.html • Play with Recycler/List views • Play with other Observable Objects What’s Next?

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Design Support Library

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Design Support Library • TextInputLayout • FAB • Snackbar • TabLayout • NavigationView • CoordinatorLayout • AppBarLayout • CollapsingToolbarLayout

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DataBindingActivity.java dependencies {    compile ‘com.android.support:design:22.2.0'   }

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NavigationView • say Goodbye to Navigation Fragments with ListView • becomes part of MENU • place inside DrawerLayout

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activity_main.xml              

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activity_new_drawer.xml              

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drawer_view.xml                              

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NewDrawer.java NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view); navigationView.setNavigationItemSelectedListener(  new NavigationView.OnNavigationItemSelectedListener() {  @Override public boolean onNavigationItemSelected(MenuItem menuItem) {  menuItem.setChecked(true);  mDrawerLayout.closeDrawers();  return true;  }  });

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Design Support Lib • Check out ChrisBanes’ https://github.com/chrisbanes/cheesesquare • Start using design support libs in your projects • Support Material Design What’s Next?