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Settings, Share Intent. 
Não reivente a roda!
Silas Monteiro Limeira 
● Engenharia da Computação; 
● Entusiasta Tecnológico; 
● Manager BlackBerry; 
● Organizer GDG; 
● Prêmios: 
○ Space Apps Challenge NASA 2013; 
○ Chrome Apps Challenge GDG-SP; 
○ Startup Jam World 2013;
Settings
Settings
Quando o usuário salva algo nas preferências 
(settings), esse valor fica salvo no arquivo 
(SharedPreferences). Onde armazena 
informações em chaves de dados primitivos. 
EXEMPLO? 
Settings
Settings 
1. Criar um SettingsActivity; 
a. Use uma classe PreferenceActivity; 
2. Atualize o AndroidManifest para declarar a 
SettingsActivity; 
Versão Simplificada: goo.gl/8YPft1 
Android Developers: goo.gl/yz8uz2
Settings 
1. Coloque o SettingsActivity para aparecer no MainActivity e no 
DetailActivity; 
public boolean onOptionsItemSelected(MenuItem item) { 
int id = item.getItemId(); 
if (id == R.id.action_settings) { 
StartActivity(new Intent(this, SettingsActivity.class)); 
return true; 
} 
return super.onOptionsItemSelected(item); 
}
Settings 
1. Crie um arquivo(XML) chamado pref_general.xml com 
<PreferenceScreen>. 
2. Add EditTextPreference para configurações da 
Localização; 
3. Adicione Strings no strings.xml; 
Veja exemplo de <PreferenceScreen> aqui: goo.gl/CN5uXu
Settings 
1. Carregue o XML layout do SettingsActivity com o 
addPreferencesFromResource(R.xml. 
pref_general); 
2. Conectar as preferências de localização com o 
bindPreferenceSummaryToValue 
(findPreference(getString(R.string. 
pref_location_key));
Settings 
❏ Faça o mesmo para mudar as 
unidades métricas.
Abrindo o Maps
Maps 
❏ Add no arquivo de menu da tela principal outro 
item (maps); 
❏ Na Activity principal vamos chamar o maps;
Maps 
private void openPreferredLocationInMap() { 
String location = Utility.getPreferredLocation(this); 
Uri geoLocation = Uri.parse("geo:0,0?").buildUpon() 
.appendQueryParameter("q", location) 
.build(); 
Intent viewOnMapIntent = new Intent(Intent.ACTION_VIEW); 
viewOnMapIntent.setData(geoLocation); 
if (viewOnMapIntent.resolveActivity(getPackageManager()) != null) { 
startActivity(viewOnMapIntent); 
} else { 
Log.e(LOG_TAG, "Couldn't open map to location: " + location + ", no available Intent"); 
} 
}
Shared Intent 
❏ Compartilhar um conteúdo é uma das ações mais 
comuns entre usuários mobile; 
❏ Para compartilhar fotos, textos, videos, músicas, 
não precisamos nem saber quais os aplicativos 
favoritos do usuário; 
❏ Apenas diga ao Android qual conteúdo você quer 
compartilhar e ele vai listar os aplicativos que 
podem compartilhar; 
Send Intent
Shared Intent 
goo.gl/j4re1V
Shared Intent 
1. Criem um novo arquivo de menu chamado 
detailFragment; 
2. Add um ShareActivityProvider em DetailActivity; 
3. Add um texto para compartilhar junto exemplo #gdgjp;
OBRIGADO! 
Twitter: @silasid 
G+: +SILASMONTEIRO 
Email: contato@silaslimeira.com 
http://gdgjp.org.br/

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Compartilhando configurações e localização com Intents em Android

  • 1. Settings, Share Intent. Não reivente a roda!
  • 2. Silas Monteiro Limeira ● Engenharia da Computação; ● Entusiasta Tecnológico; ● Manager BlackBerry; ● Organizer GDG; ● Prêmios: ○ Space Apps Challenge NASA 2013; ○ Chrome Apps Challenge GDG-SP; ○ Startup Jam World 2013;
  • 5. Quando o usuário salva algo nas preferências (settings), esse valor fica salvo no arquivo (SharedPreferences). Onde armazena informações em chaves de dados primitivos. EXEMPLO? Settings
  • 6. Settings 1. Criar um SettingsActivity; a. Use uma classe PreferenceActivity; 2. Atualize o AndroidManifest para declarar a SettingsActivity; Versão Simplificada: goo.gl/8YPft1 Android Developers: goo.gl/yz8uz2
  • 7. Settings 1. Coloque o SettingsActivity para aparecer no MainActivity e no DetailActivity; public boolean onOptionsItemSelected(MenuItem item) { int id = item.getItemId(); if (id == R.id.action_settings) { StartActivity(new Intent(this, SettingsActivity.class)); return true; } return super.onOptionsItemSelected(item); }
  • 8. Settings 1. Crie um arquivo(XML) chamado pref_general.xml com <PreferenceScreen>. 2. Add EditTextPreference para configurações da Localização; 3. Adicione Strings no strings.xml; Veja exemplo de <PreferenceScreen> aqui: goo.gl/CN5uXu
  • 9. Settings 1. Carregue o XML layout do SettingsActivity com o addPreferencesFromResource(R.xml. pref_general); 2. Conectar as preferências de localização com o bindPreferenceSummaryToValue (findPreference(getString(R.string. pref_location_key));
  • 10. Settings ❏ Faça o mesmo para mudar as unidades métricas.
  • 12. Maps ❏ Add no arquivo de menu da tela principal outro item (maps); ❏ Na Activity principal vamos chamar o maps;
  • 13. Maps private void openPreferredLocationInMap() { String location = Utility.getPreferredLocation(this); Uri geoLocation = Uri.parse("geo:0,0?").buildUpon() .appendQueryParameter("q", location) .build(); Intent viewOnMapIntent = new Intent(Intent.ACTION_VIEW); viewOnMapIntent.setData(geoLocation); if (viewOnMapIntent.resolveActivity(getPackageManager()) != null) { startActivity(viewOnMapIntent); } else { Log.e(LOG_TAG, "Couldn't open map to location: " + location + ", no available Intent"); } }
  • 14. Shared Intent ❏ Compartilhar um conteúdo é uma das ações mais comuns entre usuários mobile; ❏ Para compartilhar fotos, textos, videos, músicas, não precisamos nem saber quais os aplicativos favoritos do usuário; ❏ Apenas diga ao Android qual conteúdo você quer compartilhar e ele vai listar os aplicativos que podem compartilhar; Send Intent
  • 16. Shared Intent 1. Criem um novo arquivo de menu chamado detailFragment; 2. Add um ShareActivityProvider em DetailActivity; 3. Add um texto para compartilhar junto exemplo #gdgjp;
  • 17.
  • 18. OBRIGADO! Twitter: @silasid G+: +SILASMONTEIRO Email: contato@silaslimeira.com http://gdgjp.org.br/