-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathindex.html
More file actions
1301 lines (847 loc) · 67.2 KB
/
index.html
File metadata and controls
1301 lines (847 loc) · 67.2 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
<!DOCTYPE html>
<!--[if IEMobile 7 ]><html class="no-js iem7"><![endif]-->
<!--[if lt IE 9]><html class="no-js lte-ie8"><![endif]-->
<!--[if (gt IE 8)|(gt IEMobile 7)|!(IEMobile)|!(IE)]><!--><html class="no-js" lang="en"><!--<![endif]-->
<head>
<meta charset="utf-8">
<title>Aaron Liew's Blog</title>
<meta name="author" content="Aaron Liew">
<meta name="description" content="Android Annotation(AA) is framework that facilitate the writing and the maintenance of Android Applications, and greatly simplifies the code. It …">
<!-- http://t.co/dKP3o1e -->
<meta name="HandheldFriendly" content="True">
<meta name="MobileOptimized" content="320">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="canonical" href="http://aaronliew.github.io">
<link href="/favicon.png" rel="icon">
<link href="/stylesheets/screen.css" media="screen, projection" rel="stylesheet" type="text/css">
<link href="/atom.xml" rel="alternate" title="Aaron Liew's Blog" type="application/atom+xml">
<script src="/javascripts/modernizr-2.0.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script>!window.jQuery && document.write(unescape('%3Cscript src="./javascripts/libs/jquery.min.js"%3E%3C/script%3E'))</script>
<script src="/javascripts/octopress.js" type="text/javascript"></script>
<!--Fonts from Google"s Web font directory at http://google.com/webfonts -->
<link href="http://fonts.googleapis.com/css?family=PT+Serif:regular,italic,bold,bolditalic" rel="stylesheet" type="text/css">
<link href="http://fonts.googleapis.com/css?family=PT+Sans:regular,italic,bold,bolditalic" rel="stylesheet" type="text/css">
</head>
<body >
<header role="banner"><hgroup>
<h1><a href="/">Aaron Liew's Blog</a></h1>
<h2>Blog about Android Development</h2>
</hgroup>
</header>
<nav role="navigation"><ul class="subscription" data-subscription="rss">
<li><a href="/atom.xml" rel="subscribe-rss" title="subscribe via RSS">RSS</a></li>
</ul>
<form action="http://google.com/search" method="get">
<fieldset role="search">
<input type="hidden" name="q" value="site:aaronliew.github.io" />
<input class="search" type="text" name="q" results="0" placeholder="Search"/>
</fieldset>
</form>
<ul class="main-navigation">
<li><a href="/">Blog</a></li>
<li><a href="/blog/archives">Archives</a></li>
</ul>
</nav>
<div id="main">
<div id="content">
<div class="blog-index">
<article>
<header>
<h1 class="entry-title"><a href="/blog/2015/04/20/android-annotation-code-restructuring/">Android Annotation</a></h1>
<p class="meta">
<time datetime="2015-04-20T10:18:17+08:00" pubdate data-updated="true">Apr 20<span>th</span>, 2015</time>
</p>
</header>
<div class="entry-content"><p>Android Annotation(AA) is framework that facilitate the writing and the maintenance of Android Applications, and greatly simplifies the code. It generates subclasses at compile time, for example, the subclass of the MainActivity class would be MainActivity_. To understand how the AA works, you can have a look at the subclass of the Activity.</p>
<p><strong>How to enhance Android Code with AA</strong></p>
<p>I would like to discuss the common annotations that would be used in Android Development.</p>
<p>Add @EActivity with layout id at the top of the class to replace setContentView of the Activity Class</p>
<figure class='code'><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
</pre></td><td class='code'><pre><code class='java'><span class='line'><span class="nd">@EActivity</span><span class="o">(</span><span class="n">R</span><span class="o">.</span><span class="na">layout</span><span class="o">.</span><span class="na">sliding_menu</span><span class="o">)</span>
</span><span class='line'><span class="kd">public</span> <span class="kd">class</span> <span class="nc">BaseActivity</span> <span class="kd">extends</span> <span class="n">ActionBarActivity</span>
</span></code></pre></td></tr></table></div></figure>
<p>Add @ViewById to replace findViewById</p>
<figure class='code'><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
</pre></td><td class='code'><pre><code class='java'><span class='line'><span class="nd">@ViewById</span><span class="o">(</span><span class="n">R</span><span class="o">.</span><span class="na">id</span><span class="o">.</span><span class="na">drawer_layout</span><span class="o">)</span>
</span><span class='line'><span class="n">DrawerLayout</span> <span class="n">mDrawerLayout</span><span class="o">;</span>
</span></code></pre></td></tr></table></div></figure>
<p>Add @Bean to inject the activity context into class</p>
<figure class='code'><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
</pre></td><td class='code'><pre><code class='java'><span class='line'><span class="nd">@Bean</span>
</span><span class='line'><span class="n">GlobalApplication</span> <span class="n">globalApplication</span><span class="o">;</span>
</span></code></pre></td></tr></table></div></figure>
<p>Add @AfterView before method to do something after view injection, for example, setText, setBackground, etc..</p>
<figure class='code'><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
</pre></td><td class='code'><pre><code class='java'><span class='line'><span class="nd">@AfterViews</span>
</span><span class='line'><span class="kd">public</span> <span class="kt">void</span> <span class="nf">initLayout</span><span class="o">()</span>
</span></code></pre></td></tr></table></div></figure>
<p>Add @Click method with view’s id to handle OnClickListener.</p>
<figure class='code'><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
</pre></td><td class='code'><pre><code class='java'><span class='line'><span class="nd">@Click</span><span class="o">(</span><span class="n">R</span><span class="o">.</span><span class="na">id</span><span class="o">.</span><span class="na">about_us_linearLayout</span><span class="o">)</span>
</span><span class='line'><span class="kd">public</span> <span class="kt">void</span> <span class="nf">ClickAboutUs</span><span class="o">()</span>
</span></code></pre></td></tr></table></div></figure>
<p>That’s it. There is no need to do “findViewById” to get the view then followed by setOnClickListener.</p>
<p>Want to run a thread? Add @Background above the method</p>
<figure class='code'><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
</pre></td><td class='code'><pre><code class='java'><span class='line'><span class="nd">@Background</span>
</span><span class='line'><span class="kd">public</span> <span class="kt">void</span> <span class="nf">DownloadAndSetImage</span><span class="o">()</span>
</span></code></pre></td></tr></table></div></figure>
<p>Initiate the Layoutinflator using @SystemService</p>
<figure class='code'><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
</pre></td><td class='code'><pre><code class='java'><span class='line'><span class="nd">@SystemService</span>
</span><span class='line'><span class="n">LayoutInflater</span> <span class="n">inflator</span><span class="o">;</span>
</span></code></pre></td></tr></table></div></figure>
<p>Add EBean at the top of the CLass in order to use available annotations</p>
<figure class='code'><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
</pre></td><td class='code'><pre><code class='java'><span class='line'><span class="nd">@EBean</span>
</span><span class='line'><span class="kd">public</span> <span class="kd">class</span> <span class="nc">GlobalApplication</span>
</span></code></pre></td></tr></table></div></figure>
<p>Add @RootContext to inject the context into the class</p>
<figure class='code'><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
</pre></td><td class='code'><pre><code class='java'><span class='line'><span class="nd">@RootContext</span>
</span><span class='line'><span class="kd">static</span> <span class="n">Context</span> <span class="n">context</span><span class="o">;</span>
</span></code></pre></td></tr></table></div></figure>
</div>
</article>
<article>
<header>
<h1 class="entry-title"><a href="/blog/2015/04/15/rxandroid/">RxAndroid</a></h1>
<p class="meta">
<time datetime="2015-04-15T11:42:08+08:00" pubdate data-updated="true">Apr 15<span>th</span>, 2015</time>
</p>
</header>
<div class="entry-content"><p><strong>What is Reactive Java?</strong></p>
<p>Reactive Java is the library that manages sequences of event by using observable sequences. It is currently implemented by Netflix. Here is the demonstration of the RxJava:</p>
<p><img class="center" src="/images/RxJava/RxExample.png" title="Example of RxJava" ></p>
<p>In this example, circular item represents an event where event could be click event, caches, variables, data. It ensures that the event is completed before proceed
to the next event. Each events can be modified into new form before proceed to the next action. For example, It applies “Map” function to the observable sequences into new form.</p>
<p><img class="center" src="/images/RxJava/Map.png" title="Map" ></p>
<p><em>Basic Explanation on Observable</em></p>
<p><img class="center" src="/images/RxJava/Explanation.png" title="Map" ></p>
<p><strong>Common Usage of RxAndroid</strong></p>
<p><em>Lifecycle observable</em></p>
<p>RxAndroid is able to create a subscription that is bound to lifecycle: OnStart, OnPause and OnResume. It subscribes to an observable on “OnStart” and unsubscribes observable on “onPause” and “onDestroy” lifecycle. It is important to do so to avoid NullPointerException. NullPointerException happens if it tries to update the UI which is already destroyed after stream of events is completed.</p>
<p><em>Listening observable</em></p>
<p>Whenever there is rotation of screen, the data and activity will be destroyed. RxJava provides feature that always listening to the background sequence which keeps emitting items, and updating UI components, for example Textviews even after screen rotation or detached from the screen.</p>
<p><em>Implementation of Lifecycle and Listening observable</em></p>
<p>In OnCreate, start the sequences.</p>
<figure class='code'><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
<span class='line-number'>3</span>
<span class='line-number'>4</span>
<span class='line-number'>5</span>
<span class='line-number'>6</span>
<span class='line-number'>7</span>
</pre></td><td class='code'><pre><code class='java'><span class='line'><span class="nd">@Override</span>
</span><span class='line'><span class="kd">public</span> <span class="kt">void</span> <span class="nf">onCreate</span><span class="o">(</span><span class="n">Bundle</span> <span class="n">savedInstanceState</span><span class="o">)</span> <span class="o">{</span>
</span><span class='line'> <span class="kd">super</span><span class="o">.</span><span class="na">onCreate</span><span class="o">(</span><span class="n">savedInstanceState</span><span class="o">);</span>
</span><span class='line'>
</span><span class='line'> <span class="n">strings</span> <span class="o">=</span> <span class="n">SampleObservables</span><span class="o">.</span><span class="na">numberStrings</span><span class="o">(</span><span class="mi">1</span><span class="o">,</span> <span class="mi">50</span><span class="o">,</span> <span class="mi">250</span><span class="o">).</span><span class="na">publish</span><span class="o">();</span>
</span><span class='line'> <span class="n">strings</span><span class="o">.</span><span class="na">connect</span><span class="o">();</span> <span class="c1">// trigger the sequence</span>
</span><span class='line'><span class="o">}</span>
</span></code></pre></td></tr></table></div></figure>
<p>In OnViewCreated of the Fragment, do the subscription. It means whenever the view is created, it will subscribe to an observable and continue to update the UI components i.e. TextView.</p>
<figure class='code'><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
<span class='line-number'>3</span>
<span class='line-number'>4</span>
<span class='line-number'>5</span>
<span class='line-number'>6</span>
<span class='line-number'>7</span>
<span class='line-number'>8</span>
<span class='line-number'>9</span>
<span class='line-number'>10</span>
<span class='line-number'>11</span>
<span class='line-number'>12</span>
<span class='line-number'>13</span>
<span class='line-number'>14</span>
<span class='line-number'>15</span>
<span class='line-number'>16</span>
<span class='line-number'>17</span>
</pre></td><td class='code'><pre><code class='java'><span class='line'><span class="n">subscription</span> <span class="o">=</span> <span class="n">AppObservable</span><span class="o">.</span><span class="na">bindFragment</span><span class="o">(</span><span class="k">this</span><span class="o">,</span> <span class="n">strings</span><span class="o">).</span><span class="na">subscribe</span><span class="o">(</span><span class="k">new</span> <span class="n">Subscriber</span><span class="o"><</span><span class="n">String</span><span class="o">>()</span> <span class="o">{</span>
</span><span class='line'>
</span><span class='line'> <span class="nd">@Override</span>
</span><span class='line'> <span class="kd">public</span> <span class="kt">void</span> <span class="nf">onCompleted</span><span class="o">()</span> <span class="o">{</span>
</span><span class='line'> <span class="n">Toast</span><span class="o">.</span><span class="na">makeText</span><span class="o">(</span><span class="n">getActivity</span><span class="o">(),</span> <span class="s">"Done!"</span><span class="o">,</span> <span class="n">Toast</span><span class="o">.</span><span class="na">LENGTH_SHORT</span><span class="o">).</span><span class="na">show</span><span class="o">();</span>
</span><span class='line'> <span class="o">}</span>
</span><span class='line'>
</span><span class='line'> <span class="nd">@Override</span>
</span><span class='line'> <span class="kd">public</span> <span class="kt">void</span> <span class="nf">onError</span><span class="o">(</span><span class="n">Throwable</span> <span class="n">throwable</span><span class="o">)</span> <span class="o">{</span>
</span><span class='line'>
</span><span class='line'> <span class="o">}</span>
</span><span class='line'>
</span><span class='line'> <span class="nd">@Override</span>
</span><span class='line'> <span class="kd">public</span> <span class="kt">void</span> <span class="nf">onNext</span><span class="o">(</span><span class="n">String</span> <span class="n">s</span><span class="o">)</span> <span class="o">{</span>
</span><span class='line'> <span class="n">textView</span><span class="o">.</span><span class="na">setText</span><span class="o">(</span><span class="n">s</span><span class="o">);</span>
</span><span class='line'> <span class="o">}</span>
</span><span class='line'><span class="o">});</span>
</span></code></pre></td></tr></table></div></figure>
<p>Unsubscribe the observable whenever the view is destroyed/detached due to screen rotation to prevent NPE.</p>
<figure class='code'><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
<span class='line-number'>3</span>
<span class='line-number'>4</span>
<span class='line-number'>5</span>
</pre></td><td class='code'><pre><code class='java'><span class='line'><span class="nd">@Override</span>
</span><span class='line'><span class="kd">public</span> <span class="kt">void</span> <span class="nf">onDestroyView</span><span class="o">()</span> <span class="o">{</span>
</span><span class='line'> <span class="n">subscription</span><span class="o">.</span><span class="na">unsubscribe</span><span class="o">();</span>
</span><span class='line'> <span class="kd">super</span><span class="o">.</span><span class="na">onDestroyView</span><span class="o">();</span>
</span><span class='line'><span class="o">}</span>
</span></code></pre></td></tr></table></div></figure>
<p>The following code is to bound the subscription to lifecycle.</p>
<figure class='code'><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
<span class='line-number'>3</span>
<span class='line-number'>4</span>
<span class='line-number'>5</span>
<span class='line-number'>6</span>
<span class='line-number'>7</span>
<span class='line-number'>8</span>
<span class='line-number'>9</span>
<span class='line-number'>10</span>
<span class='line-number'>11</span>
<span class='line-number'>12</span>
<span class='line-number'>13</span>
<span class='line-number'>14</span>
<span class='line-number'>15</span>
</pre></td><td class='code'><pre><code class='java'><span class='line'><span class="nd">@Override</span>
</span><span class='line'><span class="kd">protected</span> <span class="kt">void</span> <span class="nf">onPause</span><span class="o">()</span> <span class="o">{</span>
</span><span class='line'> <span class="kd">super</span><span class="o">.</span><span class="na">onPause</span><span class="o">();</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">// Should output "false"</span>
</span><span class='line'> <span class="n">Log</span><span class="o">.</span><span class="na">i</span><span class="o">(</span><span class="n">TAG</span><span class="o">,</span> <span class="s">"onPause(), isUnsubscribed="</span> <span class="o">+</span> <span class="n">subscription</span><span class="o">.</span><span class="na">isUnsubscribed</span><span class="o">());</span>
</span><span class='line'><span class="o">}</span>
</span><span class='line'>
</span><span class='line'><span class="nd">@Override</span>
</span><span class='line'><span class="kd">protected</span> <span class="kt">void</span> <span class="nf">onStop</span><span class="o">()</span> <span class="o">{</span>
</span><span class='line'> <span class="kd">super</span><span class="o">.</span><span class="na">onStop</span><span class="o">();</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">// Should output "true"</span>
</span><span class='line'> <span class="n">Log</span><span class="o">.</span><span class="na">i</span><span class="o">(</span><span class="n">TAG</span><span class="o">,</span> <span class="s">"onStop(), isUnsubscribed="</span> <span class="o">+</span> <span class="n">subscription</span><span class="o">.</span><span class="na">isUnsubscribed</span><span class="o">());</span>
</span><span class='line'><span class="o">}</span>
</span></code></pre></td></tr></table></div></figure>
<p><strong>Reference</strong></p>
<ol>
<li><a href="https://gist.github.com/staltz/868e7e9bc2a7b8c1f754">https://gist.github.com/staltz/868e7e9bc2a7b8c1f754</a></li>
<li><a href="http://reactivex.io/documentation/operators/map.html">http://reactivex.io/documentation/operators/map.html</a></li>
<li><a href="http://reactivex.io/RxJava/javadoc/rx/Observable.html#subscribe">http://reactivex.io/RxJava/javadoc/rx/Observable.html#subscribe</a>(rx.Subscriber)</li>
</ol>
</div>
</article>
<article>
<header>
<h1 class="entry-title"><a href="/blog/2015/04/10/black-box-test-robotium/">Black-Box Testing - Robotium</a></h1>
<p class="meta">
<time datetime="2015-04-10T11:38:52+08:00" pubdate data-updated="true">Apr 10<span>th</span>, 2015</time>
</p>
</header>
<div class="entry-content"><p>In previous post, it focuses on the white-box testing using Espresso. In this post, I’m going to do Black-box test using Robotium.</p>
<p><strong>What is Black-box Testing?</strong></p>
<p>Black-box testing is a method of the software testing that examines the functionality of an application without peering into its internal structure. For example, in a black-box test on Android application, the tester only knows the inputs and what the expected outcomes should be and not how the program arrives at those outputs.</p>
<p><strong>Demonstration of the Black-box testing</strong></p>
<p>This test focuses on these three main areas: grid view, view pager and navigation drawer. The process of the testing the functionalities is exactly same as the previous <a href="http://aaronliew.github.io/blog/2015/04/08/android-automation-test-espresso/">post</a>.</p>
<p>Here is the demonstration of test:</p>
<div class="embed-video-container"><iframe src="//www.youtube.com/embed/G9wMgmgJIfY" allowfullscreen></iframe></div>
<p><strong>Coding</strong></p>
<p>The code is simpler than white-box test using Espresso because it mainly focuses on the input and expected outcomes. Therefore, this test can be done without any knowledge on the codebase of targeted Android application.</p>
<figure class='code'><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
<span class='line-number'>3</span>
<span class='line-number'>4</span>
<span class='line-number'>5</span>
<span class='line-number'>6</span>
<span class='line-number'>7</span>
<span class='line-number'>8</span>
<span class='line-number'>9</span>
<span class='line-number'>10</span>
<span class='line-number'>11</span>
<span class='line-number'>12</span>
<span class='line-number'>13</span>
<span class='line-number'>14</span>
<span class='line-number'>15</span>
<span class='line-number'>16</span>
<span class='line-number'>17</span>
<span class='line-number'>18</span>
<span class='line-number'>19</span>
<span class='line-number'>20</span>
<span class='line-number'>21</span>
<span class='line-number'>22</span>
<span class='line-number'>23</span>
<span class='line-number'>24</span>
<span class='line-number'>25</span>
<span class='line-number'>26</span>
<span class='line-number'>27</span>
<span class='line-number'>28</span>
<span class='line-number'>29</span>
<span class='line-number'>30</span>
<span class='line-number'>31</span>
<span class='line-number'>32</span>
<span class='line-number'>33</span>
<span class='line-number'>34</span>
<span class='line-number'>35</span>
<span class='line-number'>36</span>
<span class='line-number'>37</span>
<span class='line-number'>38</span>
<span class='line-number'>39</span>
<span class='line-number'>40</span>
<span class='line-number'>41</span>
<span class='line-number'>42</span>
<span class='line-number'>43</span>
<span class='line-number'>44</span>
<span class='line-number'>45</span>
<span class='line-number'>46</span>
<span class='line-number'>47</span>
<span class='line-number'>48</span>
<span class='line-number'>49</span>
<span class='line-number'>50</span>
<span class='line-number'>51</span>
<span class='line-number'>52</span>
<span class='line-number'>53</span>
<span class='line-number'>54</span>
<span class='line-number'>55</span>
<span class='line-number'>56</span>
<span class='line-number'>57</span>
<span class='line-number'>58</span>
<span class='line-number'>59</span>
<span class='line-number'>60</span>
<span class='line-number'>61</span>
<span class='line-number'>62</span>
<span class='line-number'>63</span>
<span class='line-number'>64</span>
<span class='line-number'>65</span>
</pre></td><td class='code'><pre><code class='java'><span class='line'><span class="kd">public</span> <span class="kt">void</span> <span class="nf">testGridView</span><span class="o">()</span> <span class="kd">throws</span> <span class="n">Exception</span><span class="o">{</span>
</span><span class='line'> <span class="c1">//Close the dialog and press later button</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">clickOnButton</span><span class="o">(</span><span class="s">"Later"</span><span class="o">);</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Scroll the 3rd image of view and select it</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">scrollListToLine</span><span class="o">(</span><span class="mi">0</span><span class="o">,</span><span class="mi">3</span><span class="o">);</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">clickInList</span><span class="o">(</span><span class="mi">0</span><span class="o">);</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">sleep</span><span class="o">(</span><span class="mi">1000</span><span class="o">);</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Do the swiping</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">scrollToSide</span><span class="o">(</span><span class="n">Solo</span><span class="o">.</span><span class="na">RIGHT</span><span class="o">);</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Back to the main screen</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">goBack</span><span class="o">();</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Scroll the 5th image of view and select it</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">scrollListToLine</span><span class="o">(</span><span class="mi">0</span><span class="o">,</span><span class="mi">5</span><span class="o">);</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">clickInList</span><span class="o">(</span><span class="mi">0</span><span class="o">);</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">sleep</span><span class="o">(</span><span class="mi">2000</span><span class="o">);</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Do the swiping</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">scrollToSide</span><span class="o">(</span><span class="n">Solo</span><span class="o">.</span><span class="na">RIGHT</span><span class="o">);</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">sleep</span><span class="o">(</span><span class="mi">1000</span><span class="o">);</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">scrollToSide</span><span class="o">(</span><span class="n">Solo</span><span class="o">.</span><span class="na">RIGHT</span><span class="o">);</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">sleep</span><span class="o">(</span><span class="mi">1000</span><span class="o">);</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">scrollToSide</span><span class="o">(</span><span class="n">Solo</span><span class="o">.</span><span class="na">LEFT</span><span class="o">);</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Back to main screen</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">goBack</span><span class="o">();</span>
</span><span class='line'> <span class="o">}</span>
</span><span class='line'>
</span><span class='line'><span class="kd">public</span> <span class="kt">void</span> <span class="nf">testNavigationDrawer</span><span class="o">()</span> <span class="kd">throws</span> <span class="n">Exception</span><span class="o">{</span>
</span><span class='line'> <span class="c1">//Click on the later button</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">clickOnButton</span><span class="o">(</span><span class="s">"Later"</span><span class="o">);</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Open and close the drawer</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">clickOnActionBarHomeButton</span><span class="o">();</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">sleep</span><span class="o">(</span><span class="mi">2000</span><span class="o">);</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">clickOnActionBarHomeButton</span><span class="o">();</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">sleep</span><span class="o">(</span><span class="mi">2000</span><span class="o">);</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Open the drawer and select dog category</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">clickOnActionBarHomeButton</span><span class="o">();</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">sleep</span><span class="o">(</span><span class="mi">2000</span><span class="o">);</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">clickOnText</span><span class="o">(</span><span class="s">"Flickr: Dogs"</span><span class="o">);</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">sleep</span><span class="o">(</span><span class="mi">2000</span><span class="o">);</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Open the drawer again and select tutorial</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">clickOnActionBarHomeButton</span><span class="o">();</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">sleep</span><span class="o">(</span><span class="mi">2000</span><span class="o">);</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">drag</span><span class="o">(</span><span class="mi">300</span><span class="o">,</span> <span class="mi">300</span><span class="o">,</span> <span class="mi">1000</span><span class="o">,</span> <span class="mi">300</span><span class="o">,</span><span class="mi">2</span><span class="o">);</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">clickOnText</span><span class="o">(</span><span class="s">"Tutorial"</span><span class="o">);</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">sleep</span><span class="o">(</span><span class="mi">1500</span><span class="o">);</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Do the swiping on tutorial screen</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">scrollToSide</span><span class="o">(</span><span class="n">Solo</span><span class="o">.</span><span class="na">RIGHT</span><span class="o">);</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">sleep</span><span class="o">(</span><span class="mi">1000</span><span class="o">);</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">scrollToSide</span><span class="o">(</span><span class="n">Solo</span><span class="o">.</span><span class="na">RIGHT</span><span class="o">);</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">sleep</span><span class="o">(</span><span class="mi">1000</span><span class="o">);</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">scrollToSide</span><span class="o">(</span><span class="n">Solo</span><span class="o">.</span><span class="na">LEFT</span><span class="o">);</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Back to previous activity</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">goBack</span><span class="o">();</span>
</span><span class='line'> <span class="n">solo</span><span class="o">.</span><span class="na">sleep</span><span class="o">(</span><span class="mi">1500</span><span class="o">);</span>
</span><span class='line'><span class="o">}</span>
</span></code></pre></td></tr></table></div></figure>
</div>
</article>
<article>
<header>
<h1 class="entry-title"><a href="/blog/2015/04/08/android-automation-test-espresso/">White-Box Testing- Espresso</a></h1>
<p class="meta">
<time datetime="2015-04-08T01:13:17+08:00" pubdate data-updated="true">Apr 8<span>th</span>, 2015</time>
</p>
</header>
<div class="entry-content"><p>One common approach to UI testing is to run tests manually and verify that the app is behaving as expected. However, this approach can be very time-consuming, tedious, and error-prone especially when we run tests on multiple devices. This is where Android Automated Tests becomes useful, it can perform repetitive task without human intervention.</p>
<p><strong>What is White-box Testing?</strong></p>
<p>There are two types tests: white-box test and black-box test. White-box test is method of testing software that tests internal structures or workings of an application. Black-box test is method of examining the functionality of an application without peering into its internal structures or workings. In this project, I did white-box test on my code using Espresso library.</p>
<p><strong>Advantage of Espresso</strong></p>
<p>The advantage of the Espresso is it is have synchronization feature, meaning it waits for UI events in the current message queue to process and default task to complete before it moves on to the next test operation.</p>
<p><strong>Demonstration of the Espresso</strong></p>
<p>I have written test script on animal gallery app. Here are the following steps to verify the functionality of the app:</p>
<ol>
<li>Launch Animal Gallery app</li>
<li>“Donation” screen will be shown up. Press “Later” button to proceed to main screen</li>
</ol>
<p><strong><em>Test on functionality of the grid view</em></strong></p>
<ol start="3">
<li>Scrolls to the 3rd image and tap on it. </li>
<li>In full screen viewpager, swipe to the left and view the next image.</li>
<li>Back to the main screen</li>
<li>Scrolls to the 6th image and tap on it. </li>
<li>In full screen viewpager, swipe to the left twice and view the image.</li>
<li>Swipe to the right again to go back the previous image.</li>
</ol>
<p><strong><em>Test on functionality of the navigation drawer</em></strong></p>
<ol start="9">
<li>Tab on the navigation drawer icon to open the drawer</li>
<li>Search for “Flickr: Dogs” category and tab on it.</li>
<li>Open the drawer again and select “Tutorial” category.</li>
<li>Swipes the tutorial screen.</li>
<li>Done.</li>
</ol>
<p>Here is the demonstration of the test:</p>
<div class="embed-video-container"><iframe src="//www.youtube.com/embed/G9wMgmgJIfY" allowfullscreen></iframe></div>
<p><strong>Coding</strong></p>
<figure class='code'><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
<span class='line-number'>3</span>
<span class='line-number'>4</span>
<span class='line-number'>5</span>
<span class='line-number'>6</span>
<span class='line-number'>7</span>
<span class='line-number'>8</span>
<span class='line-number'>9</span>
<span class='line-number'>10</span>
<span class='line-number'>11</span>
<span class='line-number'>12</span>
<span class='line-number'>13</span>
<span class='line-number'>14</span>
<span class='line-number'>15</span>
<span class='line-number'>16</span>
<span class='line-number'>17</span>
<span class='line-number'>18</span>
<span class='line-number'>19</span>
<span class='line-number'>20</span>
<span class='line-number'>21</span>
<span class='line-number'>22</span>
<span class='line-number'>23</span>
<span class='line-number'>24</span>
<span class='line-number'>25</span>
<span class='line-number'>26</span>
<span class='line-number'>27</span>
<span class='line-number'>28</span>
<span class='line-number'>29</span>
<span class='line-number'>30</span>
<span class='line-number'>31</span>
<span class='line-number'>32</span>
<span class='line-number'>33</span>
<span class='line-number'>34</span>
<span class='line-number'>35</span>
<span class='line-number'>36</span>
<span class='line-number'>37</span>
<span class='line-number'>38</span>
<span class='line-number'>39</span>
<span class='line-number'>40</span>
<span class='line-number'>41</span>
<span class='line-number'>42</span>
<span class='line-number'>43</span>
<span class='line-number'>44</span>
<span class='line-number'>45</span>
<span class='line-number'>46</span>
<span class='line-number'>47</span>
<span class='line-number'>48</span>
<span class='line-number'>49</span>
<span class='line-number'>50</span>
<span class='line-number'>51</span>
<span class='line-number'>52</span>
<span class='line-number'>53</span>
<span class='line-number'>54</span>
<span class='line-number'>55</span>
<span class='line-number'>56</span>
<span class='line-number'>57</span>
<span class='line-number'>58</span>
<span class='line-number'>59</span>
<span class='line-number'>60</span>
<span class='line-number'>61</span>
<span class='line-number'>62</span>
<span class='line-number'>63</span>
<span class='line-number'>64</span>
<span class='line-number'>65</span>
<span class='line-number'>66</span>
<span class='line-number'>67</span>
<span class='line-number'>68</span>
<span class='line-number'>69</span>
<span class='line-number'>70</span>
<span class='line-number'>71</span>
<span class='line-number'>72</span>
<span class='line-number'>73</span>
<span class='line-number'>74</span>
<span class='line-number'>75</span>
<span class='line-number'>76</span>
<span class='line-number'>77</span>
<span class='line-number'>78</span>
<span class='line-number'>79</span>
<span class='line-number'>80</span>
</pre></td><td class='code'><pre><code class='java'><span class='line'> <span class="kd">public</span> <span class="kt">void</span> <span class="nf">testGridView</span><span class="o">()</span> <span class="o">{</span>
</span><span class='line'> <span class="c1">//Close the dialog and press later button</span>
</span><span class='line'> <span class="n">onView</span><span class="o">(</span><span class="n">withId</span><span class="o">(</span><span class="n">R</span><span class="o">.</span><span class="na">id</span><span class="o">.</span><span class="na">later_button</span><span class="o">))</span>
</span><span class='line'> <span class="o">.</span><span class="na">perform</span><span class="o">(</span><span class="n">click</span><span class="o">());</span>
</span><span class='line'> <span class="n">onView</span><span class="o">(</span><span class="n">isRoot</span><span class="o">()).</span><span class="na">perform</span><span class="o">(</span><span class="n">waitAtLeast</span><span class="o">(</span><span class="mi">2000</span><span class="o">));</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Scroll the 3rd image of view and select it</span>
</span><span class='line'> <span class="n">onData</span><span class="o">(</span><span class="n">anything</span><span class="o">())</span>
</span><span class='line'> <span class="o">.</span><span class="na">inAdapterView</span><span class="o">(</span><span class="n">allOf</span><span class="o">(</span><span class="n">withId</span><span class="o">(</span><span class="n">R</span><span class="o">.</span><span class="na">id</span><span class="o">.</span><span class="na">gridview</span><span class="o">),</span> <span class="n">isDisplayed</span><span class="o">()))</span>
</span><span class='line'> <span class="o">.</span><span class="na">atPosition</span><span class="o">(</span><span class="mi">2</span><span class="o">)</span>
</span><span class='line'> <span class="o">.</span><span class="na">check</span><span class="o">(</span><span class="n">matches</span><span class="o">(</span><span class="n">isDisplayed</span><span class="o">()))</span>
</span><span class='line'> <span class="o">.</span><span class="na">perform</span><span class="o">(</span><span class="n">click</span><span class="o">());</span>
</span><span class='line'> <span class="n">onView</span><span class="o">(</span><span class="n">isRoot</span><span class="o">()).</span><span class="na">perform</span><span class="o">(</span><span class="n">waitAtLeast</span><span class="o">(</span><span class="mi">2000</span><span class="o">));</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Do the swiping </span>
</span><span class='line'> <span class="n">onView</span><span class="o">(</span><span class="n">withId</span><span class="o">(</span><span class="n">R</span><span class="o">.</span><span class="na">id</span><span class="o">.</span><span class="na">pager</span><span class="o">))</span>
</span><span class='line'> <span class="o">.</span><span class="na">perform</span><span class="o">(</span><span class="n">swipeLeft</span><span class="o">());</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Back to the main screen</span>
</span><span class='line'> <span class="n">Espresso</span><span class="o">.</span><span class="na">pressBack</span><span class="o">();</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Scroll the 5th image of view and select it</span>
</span><span class='line'> <span class="n">onData</span><span class="o">(</span><span class="n">anything</span><span class="o">())</span>
</span><span class='line'> <span class="o">.</span><span class="na">inAdapterView</span><span class="o">(</span><span class="n">allOf</span><span class="o">(</span><span class="n">withId</span><span class="o">(</span><span class="n">R</span><span class="o">.</span><span class="na">id</span><span class="o">.</span><span class="na">gridview</span><span class="o">),</span> <span class="n">isDisplayed</span><span class="o">()))</span>
</span><span class='line'> <span class="o">.</span><span class="na">atPosition</span><span class="o">(</span><span class="mi">5</span><span class="o">)</span>
</span><span class='line'> <span class="o">.</span><span class="na">check</span><span class="o">(</span><span class="n">matches</span><span class="o">(</span><span class="n">isDisplayed</span><span class="o">()))</span>
</span><span class='line'> <span class="o">.</span><span class="na">perform</span><span class="o">(</span><span class="n">click</span><span class="o">());</span>
</span><span class='line'> <span class="n">onView</span><span class="o">(</span><span class="n">isRoot</span><span class="o">()).</span><span class="na">perform</span><span class="o">(</span><span class="n">waitAtLeast</span><span class="o">(</span><span class="mi">2000</span><span class="o">));</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Do the swiping</span>
</span><span class='line'> <span class="n">onView</span><span class="o">(</span><span class="n">withId</span><span class="o">(</span><span class="n">R</span><span class="o">.</span><span class="na">id</span><span class="o">.</span><span class="na">pager</span><span class="o">))</span>
</span><span class='line'> <span class="o">.</span><span class="na">perform</span><span class="o">(</span><span class="n">swipeLeft</span><span class="o">());</span>
</span><span class='line'> <span class="n">onView</span><span class="o">(</span><span class="n">withId</span><span class="o">(</span><span class="n">R</span><span class="o">.</span><span class="na">id</span><span class="o">.</span><span class="na">pager</span><span class="o">))</span>
</span><span class='line'> <span class="o">.</span><span class="na">perform</span><span class="o">(</span><span class="n">swipeLeft</span><span class="o">());</span>
</span><span class='line'> <span class="n">onView</span><span class="o">(</span><span class="n">withId</span><span class="o">(</span><span class="n">R</span><span class="o">.</span><span class="na">id</span><span class="o">.</span><span class="na">pager</span><span class="o">))</span>
</span><span class='line'> <span class="o">.</span><span class="na">perform</span><span class="o">(</span><span class="n">swipeRight</span><span class="o">());</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Back to main screen</span>
</span><span class='line'> <span class="n">Espresso</span><span class="o">.</span><span class="na">pressBack</span><span class="o">();</span>
</span><span class='line'>
</span><span class='line'>
</span><span class='line'><span class="o">}</span>
</span><span class='line'>
</span><span class='line'>
</span><span class='line'><span class="kd">public</span> <span class="kt">void</span> <span class="nf">testNavDrawer</span><span class="o">(){</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Click on the later button</span>
</span><span class='line'> <span class="n">onView</span><span class="o">(</span><span class="n">withId</span><span class="o">(</span><span class="n">R</span><span class="o">.</span><span class="na">id</span><span class="o">.</span><span class="na">later_button</span><span class="o">))</span>
</span><span class='line'> <span class="o">.</span><span class="na">perform</span><span class="o">(</span><span class="n">click</span><span class="o">());</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Open and close the drawer</span>
</span><span class='line'> <span class="n">onView</span><span class="o">(</span><span class="n">withContentDescription</span><span class="o">(</span><span class="n">getActivity</span><span class="o">().</span><span class="na">getString</span><span class="o">(</span><span class="n">R</span><span class="o">.</span><span class="na">string</span><span class="o">.</span><span class="na">drawer_open</span><span class="o">)))</span>
</span><span class='line'> <span class="o">.</span><span class="na">perform</span><span class="o">(</span><span class="n">click</span><span class="o">());</span>
</span><span class='line'> <span class="n">onView</span><span class="o">(</span><span class="n">withContentDescription</span><span class="o">(</span><span class="n">getActivity</span><span class="o">().</span><span class="na">getString</span><span class="o">(</span><span class="n">R</span><span class="o">.</span><span class="na">string</span><span class="o">.</span><span class="na">drawer_close</span><span class="o">)))</span>
</span><span class='line'> <span class="o">.</span><span class="na">perform</span><span class="o">(</span><span class="n">click</span><span class="o">());</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Open the drawer and select dog category</span>
</span><span class='line'> <span class="n">onView</span><span class="o">(</span><span class="n">withContentDescription</span><span class="o">(</span><span class="n">getActivity</span><span class="o">().</span><span class="na">getString</span><span class="o">(</span><span class="n">R</span><span class="o">.</span><span class="na">string</span><span class="o">.</span><span class="na">drawer_open</span><span class="o">)))</span>
</span><span class='line'> <span class="o">.</span><span class="na">perform</span><span class="o">(</span><span class="n">click</span><span class="o">());</span>
</span><span class='line'> <span class="n">onView</span><span class="o">(</span><span class="n">Matchers</span><span class="o">.</span><span class="na">allOf</span><span class="o">(</span><span class="n">ViewMatchers</span><span class="o">.</span><span class="na">withId</span><span class="o">(</span><span class="n">R</span><span class="o">.</span><span class="na">id</span><span class="o">.</span><span class="na">sm_item_title</span><span class="o">),</span> <span class="n">hasSibling</span><span class="o">(</span><span class="n">ViewMatchers</span><span class="o">.</span><span class="na">withText</span><span class="o">(</span><span class="s">"Flickr: Dogs"</span><span class="o">)))).</span><span class="na">perform</span><span class="o">(</span><span class="n">click</span><span class="o">());</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Open the drawer again and select tutorial</span>
</span><span class='line'> <span class="n">onView</span><span class="o">(</span><span class="n">withContentDescription</span><span class="o">(</span><span class="n">getActivity</span><span class="o">().</span><span class="na">getString</span><span class="o">(</span><span class="n">R</span><span class="o">.</span><span class="na">string</span><span class="o">.</span><span class="na">drawer_open</span><span class="o">)))</span>
</span><span class='line'> <span class="o">.</span><span class="na">perform</span><span class="o">(</span><span class="n">click</span><span class="o">());</span>
</span><span class='line'> <span class="n">onView</span><span class="o">(</span><span class="n">isRoot</span><span class="o">()).</span><span class="na">perform</span><span class="o">(</span><span class="n">waitAtLeast</span><span class="o">(</span><span class="mi">2000</span><span class="o">));</span>
</span><span class='line'> <span class="n">onView</span><span class="o">(</span><span class="n">withId</span><span class="o">(</span> <span class="n">R</span><span class="o">.</span><span class="na">id</span><span class="o">.</span><span class="na">tutorial</span><span class="o">)).</span><span class="na">perform</span><span class="o">(</span> <span class="n">scrollTo</span><span class="o">(),</span> <span class="n">click</span><span class="o">());</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Do the swiping on tutorial screen</span>
</span><span class='line'> <span class="n">onView</span><span class="o">(</span><span class="n">withId</span><span class="o">(</span><span class="n">R</span><span class="o">.</span><span class="na">id</span><span class="o">.</span><span class="na">tutorial_pager</span><span class="o">))</span>
</span><span class='line'> <span class="o">.</span><span class="na">perform</span><span class="o">(</span><span class="n">swipeLeft</span><span class="o">());</span>
</span><span class='line'> <span class="n">onView</span><span class="o">(</span><span class="n">withId</span><span class="o">(</span><span class="n">R</span><span class="o">.</span><span class="na">id</span><span class="o">.</span><span class="na">tutorial_pager</span><span class="o">))</span>
</span><span class='line'> <span class="o">.</span><span class="na">perform</span><span class="o">(</span><span class="n">swipeLeft</span><span class="o">());</span>
</span><span class='line'> <span class="n">onView</span><span class="o">(</span><span class="n">withId</span><span class="o">(</span><span class="n">R</span><span class="o">.</span><span class="na">id</span><span class="o">.</span><span class="na">tutorial_pager</span><span class="o">))</span>
</span><span class='line'> <span class="o">.</span><span class="na">perform</span><span class="o">(</span><span class="n">swipeRight</span><span class="o">());</span>
</span><span class='line'>
</span><span class='line'> <span class="c1">//Back to previous activity</span>
</span><span class='line'> <span class="n">Espresso</span><span class="o">.</span><span class="na">pressBack</span><span class="o">();</span>
</span><span class='line'> <span class="n">onView</span><span class="o">(</span><span class="n">isRoot</span><span class="o">()).</span><span class="na">perform</span><span class="o">(</span><span class="n">waitAtLeast</span><span class="o">(</span><span class="mi">2000</span><span class="o">));</span>
</span><span class='line'>
</span><span class='line'><span class="o">}</span>
</span></code></pre></td></tr></table></div></figure>
</div>
</article>
<article>
<header>
<h1 class="entry-title"><a href="/blog/2014/03/18/day-nine/">Using Options Menus and Customized Dialogs for User Interaction</a></h1>
<p class="meta">
<time datetime="2014-03-18T22:52:09+08:00" pubdate data-updated="true">Mar 18<span>th</span>, 2014</time>
</p>
</header>
<div class="entry-content"><p>In this task, there will be additional features shown in search results, including
movie overview and option menu. The option menu allows user to choose to view the
full image and imdb website of movie.</p>
<p>First of all, when user types name of the movie into text. The search result will be shown
on the next page.<br/>
<img class="center" src="/images/DayNine/ListView.png" title="ListView" >
When user clicks on the one of the movies in the listview, there will be a pop-up screen and
shows the user the overview of the movie.
<img class="center" src="/images/DayNine/Overview.png" title="Overview of movie" >
When the user selects movie, the position of the selected movie in listview is recorded. Therefore,
once the user clicks on the menu, there are two options that allow user to choose: Imdb cover image
and Imdb URL.
<img class="center" src="/images/DayNine/OptionsMenus.png" title="Options" ></p>
<p>Once user click on the “View full image”, the following content will be shown.
<img class="center" src="/images/DayNine/CoverImage.png" title="Cover Image" ></p>
<p>The purpose of MovieListActivity class is to create options menus and customized dialogs for user
interaction. The explanation of coding of method in MovieListActivity class is shown in the chart
below.
<img class="center" src="/images/DayNine/Flowchart.JPG" title="Explanation of MovieListActivity Class" ></p>
</div>
</article>
<article>
<header>
<h1 class="entry-title"><a href="/blog/2014/03/16/day-eight/">Customized List View for Data Presentation</a></h1>
<p class="meta">
<time datetime="2014-03-16T12:35:03+08:00" pubdate data-updated="true">Mar 16<span>th</span>, 2014</time>
</p>
</header>
<div class="entry-content"><p>In this task, there will be poster, release date and popularity shown in search results
as shown in the examples below.
First of all, user types name of movie into text box and then click on “Search” button.
Progress bar with ‘Retrieving data…“ will be shown.
<img class="center" src="/images/DayEight/LayoutOne.png" title="Layout One" ></p>
<p>Next, the relevant search results will be shown on the next page with information: poster,
release data, and popularity.
<img class="center" src="/images/DayEight/LayoutTwo.png" title="Layout Two" ></p>
<p>In order to perform this task, there are two classes will be added into the coding. The explanation
of the coding is shown in the figure below. The newly added classes is indicated in red circle.<br/>
<img class="center" src="/images/DayEight/CodingExplanation.png" title="Coding Explanation" ></p>
</div>
</article>
<article>
<header>
<h1 class="entry-title"><a href="/blog/2014/03/12/day-seven/">TroubleShoot of the Movie Search App</a></h1>
<p class="meta">
<time datetime="2014-03-12T09:38:45+08:00" pubdate data-updated="true">Mar 12<span>th</span>, 2014</time>
</p>
</header>
<div class="entry-content"><p>My initial attempt was to extract the JSON data from the movie database using API key.
All the JSON data is displayed in LogCat instead of displaying the JSON data in the app.
First of all, I have modified the coding in the AndroidManifest xml file that is from:</p>
<pre><code>android:name="com.example.moviesearchapp.MainActivity"
</code></pre>
<p>to</p>
<pre><code>android:name="com.example.moviesearchapp.MainActivityDev"
</code></pre>
<p>The purpose of the changing the name of the activity is to test the workability of the small part of the coding of Movie Search app
using MainActivityDev JAVA script. In MainActivityDev.java, JSONReader.readJsonFromUrl command is used to get JSON
Text format from the movie database URL. The GSON library is used to convert the JSON data to Java DataObject,
then, display it in the LogCat window by using the command as shown below:</p>
<pre><code>Log.d("test",obj.getResults().get(0).getId().toString());
</code></pre>
<p>In Log.d, “test” is a tag which will be presented in the LogCat window along with the string “obj.getResults().
get(0).getId().toString()”. If there are any error or exception, ‘Log.e’ will be used to display the error
message in the window. The code of MainActivityDev.Java is shown below.</p>
<pre><code>public class MainActivityDev extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final Gson gson= new Gson();
new Thread(new Runnable() {
public void run() {
try {
String json = (String) JSONReader.readJsonFromUrl("https://api.themoviedb.org/3/search/movie?" +
"api_key=e3deb5d586800ccb02c69aaad8f66562&query=inception");
Movie obj = gson.fromJson(json, Movie.class);
Log.d("test",obj.getResults().get(0).getId().toString());
json = (String) JSONReader.readJsonFromUrl("https://api.themoviedb.org/3/movie/"
+ obj.getResults().get(0).getId().toString() +
"?api_key=e3deb5d586800ccb02c69aaad8f66562");
ImdbMovie imdbData = gson.fromJson(json, ImdbMovie.class);
Log.d("test",imdbData.getOverview().toString());
} catch (IOException e) {
Log.e("test", e.getMessage());
} catch (JSONException e) {
Log.e("test", e.getMessage());
}
}
}).start();
</code></pre>
</div>