Lazy Android Developers - Be Productive

by Paresh Mayani

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Lazy Android Developers: Be Productive Paresh Mayani

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Paresh Mayani Sr. Software Engineer @ InfoStretch, India Manager, GDG Ahmedabad

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Are you lazy #AndroidDev?

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No Googling…

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Writing boilerplate code

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Let’s be Productive While being lazy

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But……How?

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Tip: #1 Productive Development Environment

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IDE

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Emulator

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Tip: #2 Write less code, Solve more problems

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{Less code} {Less Mistakes} {Faster Development}

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{Code Snippets} + {Open source libraries}

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Open source libraries Source: http://www.blackducksoftware.com/

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More than 100,000 results

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68 repositories

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Android Libraries Portal

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Android Libraries Portal

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Code snippets portal

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UI & Custom Views Custom Views • Crouton • Staggered GridView • GoogleProgressBar • Sticky List Headers • Card UI • Fading ActionBar • Swipe ListView

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Networking REST Clients • Spring for Android • Retrofit Async Requests • OKHttp • Volley Image source: http://instructure.github.io/blog/2013/12/09/volley-vs-retrofit/

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Asynchronous Image Loading • Picasso • Universal Image loader (Nostra) • UrlImageViewHelper & ion (Koush) http://www.technotalkative.com/lazy-productive-android-developer-part-5-image-loading-library/

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Database • OrmLite • Green DAO • SQL Cipher

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Dependency Injection Class • Dagger View Injection • Butter Knife Universal • RoboGuice • Android Annotations (AA)

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Example //Before using Android annotation library public class ActivityWithoutAA extends Activity{ Button button1; ImageView imgView1; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); button1 = (Button) findViewById(R.id.button1); imgView1 = (ImageView) findViewById(R.id.imageView1); button1.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub imgView1.setImageResource(R.drawable.ic_launcher);} }); } }

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Example //After using Android annotation library, result is less code. @EActivity(R.layout.activity_main) public class MainActivity extends Activity { @ViewById Button button1; @ViewById ImageView imageView1; @Click void button1() { imageView1.setImageResource(R.drawable.ic_launcher); } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); } } View Initialization Click Listener

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Tip: #3 Use Available Tools

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Mockup design tool

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Shrink icon/image size

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Device Art Generator http://developer.android.com/distribute/promote/device-art.html

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http://gradleplease.appspot.com/

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http://angrytools.com/android/button/

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http://goo.gl/j8lBgH

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http://coh.io/adpi/

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http://jsonlint.com/

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http://jsonviewer.stack.hu/

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Tip: #4 Don’t Waste Time!

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How?

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Bootstrap your project Did you heard about Twitter Bootstrap? How?

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http://www.androidbootstrap.com/

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http://androidkickstartr.com/

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Tip: #5 Learn from Open Source Projects

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iosched https://code.google.com/p/iosched/

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WordPress for Android https://github.com/wordpress-mobile/WordPress-Android

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More open source projects • http://en.wikipedia.org/wiki/List_of_free_and_open- source_Android_applications • http://www.aopensource.com/