Conexao Java: Criando uma App Android
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The document discusses introducing Android development and provides an overview of key concepts for building Android apps such as activities, layouts, lists, JSON parsing, and mapping. It demonstrates how to structure an Android project, manipulate views and the screen, load and display data, handle user input, and integrate location-based APIs. Code samples and exercises are provided to help explain concepts hands-on.
![{
JSON!!
"linha": "1018-10",
"nome": "Vila Rosa - Metrô Santana",
"pontos" : [
{
"nome": "920016054",
"descricao": "R. Dr. Neto De Araujo, 311",
"coordenada": {
"latitude": -23.5876,
"longitude": -46.6321
}
},
{
"nome": "920016364",
"descricao": "R.Vergueiro, 3039",
"coordenada": {
"latitude": -23.5875,
"longitude": -46.6336
}
}
]
}
Monday, May 28, 12](https://image.slidesharecdn.com/conexaojava-android-120528184902-phpapp02/85/Conexao-Java-Criando-uma-App-Android-67-320.jpg)
Conexao Java: Criando uma App Android
- 1. Monday, May 28, 12
- 2. Erich Egert Instrutor e desenvolvedor pela Caelum encontre-me: @erichegt github.com/erichegt Monday, May 28, 12
- 4. Monday, May 28, 12
- 5. Criando uma app Monday, May 28, 12
- 6. Por quê Android? Monday, May 28, 12
- 7. 112.5 75 37.5 0 2006 2007 2008 2009 2010 2011 Palm/webOS Symbian Windows Mobile Windows Phone 7 RIM IOS Android Monday, May 28, 12
- 8. Monday, May 28, 12
- 9. Monday, May 28, 12
- 10. Razões do sucesso? Monday, May 28, 12
- 11. Monday, May 28, 12
- 12. Monday, May 28, 12
- 13. Monday, May 28, 12
- 14. + ADT Monday, May 28, 12
- 15. public class Onibus { private String nome; private String linha; //... } Monday, May 28, 12
- 16. public class Onibus { private String nome; private String linha; //... } Jar JVM Monday, May 28, 12
- 17. public class Onibus { private String nome; private String linha; //... } Jar APK JVM Dalvik Monday, May 28, 12
- 18. Vários dispositivos Monday, May 28, 12
- 19. Único Só pode haver um! APK Vários dispositivos Monday, May 28, 12
- 20. Adapter AsyncTask LayoutInflater LocationManager MapActivity ExpandableListView Monday, May 28, 12
- 21. Monday, May 28, 12
- 22. Vamos começar devagar... Monday, May 28, 12
- 23. Emulador!! Monday, May 28, 12
- 24. Olá Mundo! Monday, May 28, 12
- 25. Hands on! Monday, May 28, 12
- 26. AndroidManifest.xml main.xml ? OlaMundoActivity Entendendo... Monday, May 28, 12
- 27. Estrutura do Projeto Monday, May 28, 12
- 28. res drawable layout values Monday, May 28, 12
- 29. res drawable layout values Monday, May 28, 12
- 30. res drawable layout values Monday, May 28, 12
- 31. res drawable <resources> ... <string name="cor">COR:</string> <string name="modelo">MODELO:</string> <string name="opcionais">OPCIONAIS:</string> layout <string name="salvar">SALVAR</string> </resources> values Monday, May 28, 12
- 32. Monday, May 28, 12
- 33. Tamanho? wrap_content fill_parent Monday, May 28, 12
- 34. Manipulando a tela Monday, May 28, 12
- 35. Activity comportamento public class OnibusActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //muitas coisas legais aqui! } } Monday, May 28, 12
- 36. XML Activity aparência comportamento public class OnibusActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //muitas coisas legais aqui! } } Monday, May 28, 12
- 37. Activity XML onCreate( ) findViewById( ) Monday, May 28, 12
- 38. Activity XML onCreate( ) findViewById( ) Monday, May 28, 12
- 39. Hands on! Monday, May 28, 12
- 40. Listagem? Monday, May 28, 12
- 41. ListView Monday, May 28, 12
- 42. Como? List<PontoDeOnibus> Monday, May 28, 12
- 43. Adapter Objeto View Monday, May 28, 12
- 44. List<PontoDeOnibus> dados new ArrayAdapter<PontoDeOnibus>(context, layout, lista); Activity layout Monday, May 28, 12
- 45. layout linha.xml Monday, May 28, 12
- 46. Hands on! Monday, May 28, 12
- 47. O visual é importante! Monday, May 28, 12
- 48. Hands on! Monday, May 28, 12
- 49. Tudo espalhado? Monday, May 28, 12
- 50. styles.xml Monday, May 28, 12
- 51. Hands on! Monday, May 28, 12
- 52. E se... Monday, May 28, 12
- 53. Monday, May 28, 12
- 54. Tem como?! Monday, May 28, 12
- 55. SIM!!! Monday, May 28, 12
- 56. Application Resources Monday, May 28, 12
- 57. Hands on! Monday, May 28, 12
- 58. Monday, May 28, 12
- 59. Monday, May 28, 12
- 60. JSON Monday, May 28, 12
- 61. String json = //... Monday, May 28, 12
- 62. INTERNET Monday, May 28, 12
- 63. INTERNET Monday, May 28, 12
- 64. INTERNET AndroidManifest.xml Monday, May 28, 12
- 65. INTERNET AndroidManifest.xml Monday, May 28, 12
- 66. A reposta do server? Monday, May 28, 12
- 67. { JSON!! "linha": "1018-10", "nome": "Vila Rosa - Metrô Santana", "pontos" : [ { "nome": "920016054", "descricao": "R. Dr. Neto De Araujo, 311", "coordenada": { "latitude": -23.5876, "longitude": -46.6321 } }, { "nome": "920016364", "descricao": "R.Vergueiro, 3039", "coordenada": { "latitude": -23.5875, "longitude": -46.6336 } } ] } Monday, May 28, 12
- 68. JSON ???? objeto Ônibus Monday, May 28, 12
- 69. Quem poderá nos ajudar? Monday, May 28, 12
- 70. Mark Murphy - The Commons Guy Bibliotecas Marotas! Monday, May 28, 12
- 71. JSON public class Onibus { private String nome; private String linha; objeto private List<Ponto> pontos; Ônibus //... } Monday, May 28, 12
- 72. JSON GSON public class Onibus { private String nome; private String linha; objeto private List<Ponto> pontos; Ônibus //... } Monday, May 28, 12
- 73. gson.jar libs Monday, May 28, 12
- 74. String json = //... Monday, May 28, 12
- 75. String json = //... Gson gson = new GsonBuilder().create(); Monday, May 28, 12
- 76. String json = //... Gson gson = new GsonBuilder().create(); Onibus busao = gson.fromJson(json,Onibus.class); Monday, May 28, 12
- 77. Hands on! Monday, May 28, 12
- 78. Próximo desafio? Monday, May 28, 12
- 79. Mapa?!? Monday, May 28, 12
- 80. Tem como?!? Monday, May 28, 12
- 81. MapActivity Monday, May 28, 12
- 82. ItemizedOverlay PontoDeOnibus OverlayItem Coordenada GeoPoint Monday, May 28, 12
- 83. Onde fazer a conversão? Coordenada GeoPoint Monday, May 28, 12
- 84. Utils?! Monday, May 28, 12
- 85. Ensinamentos do Aniche Skywalker Monday, May 28, 12
- 86. public class Ponto { //... public OverlayItem toOverlayItem() { return new OverlayItem( this.localizacao.toGeoPoint(), "Localização:", this.descricao ); } } public class Coordenada { private static final double CONVERSION_SCALE = 1E6; //... public GeoPoint toGeoPoint() { Double geoLat = this.latitude * CONVERSION_SCALE; Double geoLng = this.longitude * CONVERSION_SCALE; return new GeoPoint(geoLat.intValue(), geoLng.intValue()); } } Monday, May 28, 12
- 87. Vamos testar?? Monday, May 28, 12
- 88. Hands on! Monday, May 28, 12
- 89. instale! confira o código fonte! github/caelum/onibus-android Monday, May 28, 12
- 90. instale! confira o código fonte! github/caelum/onibus-android Também na versão github/caelum/onibus-ios Monday, May 28, 12
- 91. OBRIGADO! @erichegt github.com/erichegt Monday, May 28, 12
- 92. Activity Activity Monday, May 28, 12
- 93. Activity Activity Monday, May 28, 12
- 94. INTENT! Activity Activity Monday, May 28, 12