G o o g le A n d ro id 심화 프로그래밍 # 3 # 3 D a e- K i K a n g

G o o g le A n d ro id 심화 프로그래밍 # 3 # 3 D a e- K i K a n g

차례 •

어플리케이션에테마적용

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BMP 파일읽어들여표시하기

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토스트

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메뉴추가(일반메뉴와컨텍스트메뉴)

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버튼을누르면이미지바꾸기

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버튼을누르면이미지바꾸기

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오디오재생하기

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비디오재생하기

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SD 카드액세스하기

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WebView

어플리케이션에 테마 적용 • a n d ro id .R .s ty le .T h em e • a n d ro id .R .s ty le .T h em e_ B la ck • a n d ro id .R .s ty le .T h em e_ L ig h t ▫ a n d ro id :t h e m e = "@ a n d ro id :s ty le /T h em e. L ig h t“ • a n d ro id .R .s ty le .T h em e_ B la ck _ N o T it le B a r ▫ a n d ro id :t h e m e = "@ a n d ro id :s ty le /T h em e. B la ck .N o T it le B a r • (이하 접두 부분 생략 ) • T h em e_ B la ck _ N o T it le B a r_ F u ll sc re en • T h em e_ D ia lo g • T h em e_ In p u tM et h o d ▫ in p u t m e th o d 에 대한 디폴트 테마 ▫ in p u t m e th o d 에 대한 디폴트 테마 • T h em e_ L ig h t • T h em e_ L ig h t_ N o T it le B a r • T h em e_ L ig h t_ N o T it le B a r_ F u ll sc re en • T h em e_ L ig h t_ P a n el • T h em e_ N o D is p la y • T h em e_ N o T it le B a r • T h em e_ N o T it le B a r_ F u ll sc re en • T h em e_ P a n el • T h em e_ T ra n sl u ce n t • T h em e_ T ra n sl u ce n t_ N o T it le B a r • T h em e_ T ra n sl u ce n t_ N o T it le B a r_ F u ll sc re en

B M P 파일 읽어들여 표시하기 및 버튼을 누르면 이미지 바꾸기 @ O v e rr id e p u b li c v o id o n C re a te (B u n d le s a v e d In s ta n c e S ta te ) { su p e r. o n C re a te (s a v e d In st a n ce S ta te ); se tC o n te n tV ie w (R .l a y o u t. m a in ); // Y o u h a v e t o c a ll f in d V ie w B y Id () * *a ft e r* * se tC o n te n tV ie w () . // O th e rw is e , th e v ie w y o u 'r e l o o k in g f o r d o e s n o t e x is t. B u tt o n b u tt o n = ( B u tt o n )f in d V ie w B y Id (R .i d .b u tt o n ); b u tt o n .s e tO n C li ck L is te n e r( b u tt o n .s e tO n C li ck L is te n e r( n e w V ie w .O n C li ck L is te n e r( ) { p u b li c v o id o n C li ck (V ie w v ) { Im a g e V ie w im g = ( Im a g e V ie w ) fi n d V ie w B y Id (R .i d .i m a g e) ; B it m a p b m = B it m a p F a ct o ry .d ec o d eR es o u rc e( g et R es o u rc es () , R .d ra w a b le .s u n d a y ); im g .s e tI m a g e B it m a p (b m ); } } ); }

화면에 잠깐 출력하게 하는 토스트 •

Toast.makeText(this, "Jump up in the air!", Toast.LENGTH_SHORT).show();

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Toast.makeText(this, R.string.hello,

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Toast.makeText(this, R.string.hello, Toast.LENGTH_SHORT).show();

M e n u ( m e n u .x m l)

<?xml version="1.0" encoding="utf-8"?> <menu xmlns:android="http://schemas.android.com/a pk/res/android"> <item android:id="@+id/settings" android:title="@string/settings_label" android:alphabeticShortcut="@string/settings_ shortcut" /> </menu>

M e n u ( st ri n g s. x m l)

<?xml version="1.0" encoding="utf-8"?> <resources> <string name="hello">Hello World, Main</string> <string name="app_name">BMPReader</string>name="app_name">BMPReader</string> <string name="settings_label">Settings...</string> <string name="settings_title">BMPReader settings</string> <string name="settings_shortcut">s</string> </resources>

M e n u ( 소스 )

@Override public boolean onCreateOptionsMenu(Menu menu) { // TODO Auto-generated method stub booleanret =booleanret = super.onCreateOptionsMenu(menu); MenuInflaterinflater= getMenuInflater(); inflater.inflate(R.menu.menu, menu); return ret; }

오디오 재생하기

private static MediaPlayerm1; private static MediaPlayerm2; private static booleanisM1Playing; private static booleanisM2Playing; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { …. m1 = MediaPlayer.create(this, R.raw.one); m2 = MediaPlayer.create(this, R.raw.y); this.isM1Playing = false; this.isM2Playing = false; Button button1 = (Button)findViewById(R.id.button1); button1.setOnClickListener( new View.OnClickListener() { public void onClick(View v) { MediaPlayerm = Main.m1; if (Main.isM1Playing) { Main.isM1Playing=false; m.stop(); Main.m1 = MediaPlayer.create(Main.this, R.raw.one); } else { Main.isM1Playing=true; m.seekTo(0); m.start(); } } } ); Button button2 = (Button)findViewById(R.id.button2); button2.setOnClickListener( new View.OnClickListener() { public void onClick(View v) { MediaPlayerm = Main.m2; if (Main.isM2Playing) { Main.isM2Playing=false; m.stop(); Main.m2 = MediaPlayer.create(Main.this, R.raw.y); } else { Main.isM2Playing=true; m.seekTo(0); m.start(); } } } ); }

비디오 재생하기 •

지원되는형식

▫ M P 4 ( M P E G -4 ) ▫ H .2 6 3 ▫ H .2 6 3 ▫ H .2 6 4 ( A V C )

비디오 재생하기 (소스 코드 ) p a ck a g e d su .a n d ro id ; im p o rt a n d ro id .a p p .A ct iv it y ; im p o rt a n d ro id .o s. B u n d le ; im p o rt a n d ro id .w id g et .V id eo V ie w ; p u b li c cl a ss M a in e x te n d s A ct iv it y { /* * C a ll ed w h en t h e a ct iv it y i s fi rs t cr ea te d . */ p u b li c cl a ss M a in e x te n d s A ct iv it y { /* * C a ll ed w h en t h e a ct iv it y i s fi rs t cr ea te d . */ @ O v er ri d e p u b li c v o id o n C re a te (B u n d le s a v ed In st a n ce S ta te ) { su p er .o n C re a te (s a v ed In st a n ce S ta te ); se tC o n te n tV ie w (R .l a y o u t. m a in ); V id eo V ie w v id eo = ( V id eo V ie w ) fi n d V ie w B y Id (R .i d .v id eo ); v id eo .s et V id eo P a th (" /d a ta /s a m p le v id eo .m p 4 ") ; } }

비디오 재생하기 (X M L 설정 ) < ?x m l v er si o n = "1 .0 " en co d in g = "u tf -8 "? > < F ra m eL a y o u t x m ln s: a n d ro id = "h tt p :/ /s ch em a s. a n d ro id .c o m /a p k / re s/ a n d ro id " a n d ro id :l a y o u t_ w id th = "f il l_ p a re n t" a n d ro id :l a y o u t_ h ei g h t= "f il l_ p a re n t" a n d ro id :l a y o u t_ h ei g h t= "f il l_ p a re n t" > < V id eo V ie w a n d ro id :i d = "@ + id /v id eo " a n d ro id :l a y o u t_ w id th = "w ra p _ co n te n t" a n d ro id :l a y o u t_ h ei g h t= "w ra p _ co n te n t" a n d ro id :l a y o u t_ g ra v it y = "c en te r" /> < /F ra m eL a y o u t>

비디오 재생하기 (비디오 업로드 ) C :\ .. .> s ta rt e m u la to r C :\ .. .> a d b p u sh s a m p le v id eo .m p 4 / d a ta /s a m p le v id eo .m p 4

S D 카드 액세스 하기 C :\ .. .> m k sd ca rd 2 5 6 M c :\ te m p \s d .i m g • 실행할 때 , 이클립스 ta rg et 옵션 창에 다음을 넣음 • 또는 에뮬레이터 옵션으로 넣음 -s d ca rd c: \t em p \s d .i m g -s d ca rd c: \t em p \s d .i m g C :\ .. .> a d b p u sh s a m p le v id eo .m p 4 /s d ca rd /s a m p le v id eo .m p 4 v id eo .s et V id eo P a th (" /s d ca rd /s a m p le v id eo .m p 4 ");

W e b V ie w 소스 코드 p ri v a te Ed it T ex t u rl T ex t; p ri v a te B u tt o n g o B u tt o n ; p ri v a te W eb V ie w w eb V ie w ; @ O v er ri d e p u b li c v o id o n C re a te (B u n d le s a v ed In st a n ce S ta te ) { su p er .o n C re a te (s a v ed In st a n ce S ta te ); se tC o n te n tV ie w (R .l a y o u t. m a in ); // G et a h a n d le t o a ll u se r in te rf a ce e le m en ts u rl T ex t = ( Ed it T ex t) f in d V ie w B y Id (R .i d .u rl _ fi el d ); g o B u tt o n = ( B u tt o n ) fi n d V ie w B y Id (R .i d .g o _ b u tt o n ); w eb V ie w = ( W eb V ie w ) fi n d V ie w B y Id (R .i d .w eb _ v ie w ); // S et u p e v en t h a n d le rs g o B u tt o n .s et O n C li ck L is te n er (n ew O n C li ck L is te n er () { p u b li c v o id o n C li ck (V ie w v ie w ) { p u b li c v o id o n C li ck (V ie w v ie w ) { o p en B ro w se r( ); } }) ; u rl T ex t. se tO n K ey L is te n er (n ew O n K ey L is te n er () { p u b li c b o o le a n o n K ey (V ie w v ie w , in t k ey C o d e, K ey E v en t ev en t) { if ( k ey C o d e = = K ey E v en t. K E Y C O D E _ EN T ER ) { o p en B ro w se r( ); re tu rn t ru e; } re tu rn f a ls e; } }) ; } /* * O p en a b ro w se r o n t h e U R L s p ec if ie d i n t h e te x t b o x * / p ri v a te v o id o p en B ro w se r( ) { w eb V ie w .l o a d U rl (u rl T ex t. g et T ex t( ). to S tr in g () ); w eb V ie w .r eq u es tF o cu s( ); }

W e b V ie w X M L < L in ea rL a y o u t x m ln s: a n d ro id = "h tt p :/ /s ch e m a s. a n d ro id .c o m /a p k /r es /a n d ro id " a n d ro id :o ri en ta ti o n = "v e rt ic a l" a n d ro id :l a y o u t_ w id th = "f il l_ p a re n t" a n d ro id :l a y o u t_ h ei gh t= "f il l_ p a re n t" > < L in ea rL a y o u t a n d ro id :o ri en ta ti o n = "h o ri zo n ta l" a n d ro id :l a y o u t_ w id th = "f il l_ p a re n t" a n d ro id :l a y o u t_ h ei gh t= "w ra p _ co n te n t" > < E d it T ex t a n d ro id :i d = "@ + id /u rl _ fi el d " a n d ro id :l a y o u t_ w id th = "w ra p _ co n te n t" a n d ro id :l a y o u t_ w id th = "w ra p _ co n te n t" a n d ro id :l a y o u t_ h ei gh t= "w ra p _ co n te n t" a n d ro id :l a y o u t_ w ei gh t= "1 .0 " a n d ro id :l in es = "1 " /> < B u tt o n a n d ro id :i d = "@ + id /go _ b u tt o n " a n d ro id :l a y o u t_ w id th = "w ra p _ co n te n t" a n d ro id :l a y o u t_ h ei gh t= "w ra p _ co n te n t" a n d ro id :t ex t= "@ st ri n g/ go _ b u tt o n " /> < /L in ea rL a y o u t> < W eb V ie w a n d ro id :i d = "@ + id /w eb _ v ie w " a n d ro id :l a y o u t_ w id th = "f il l_ p a re n t" a n d ro id :l a y o u t_ h ei gh t= "w ra p _ co n te n t" a n d ro id :l a y o u t_ w ei gh t= "1 .0 " /> < /L in ea rL a y o u t>

W e b V ie w