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Utiliser des onglets dans ses applications android
Dans ce tuto je vais utiliser des onglets dans mon application. Pour utiliser des onglets dans une application android, la classe principale doit être une extension de la classe TabActivity
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public class AppTab extends TabActivity
Dans le fichier xml de l’interface principale la première balise et la balise TabHost
Je crée un objet de type TabHost et avec ma méthode getTabHost(), j’affecte sur cet objet mon interface xml.
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public class AppTab extends TabActivity { /** Called when the activity is first created. */ private TabHost mTabHost; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mTabHost = getTabHost();la méthode addTab de l’objet mTabHost , permet d’ajouter des onglets, avec comme paramètre lle nom de l’onglet,la vue sur laquelle cet onglet pointe et son identifiant
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mTabHost.addTab(mTabHost.newTabSpec("tab_test1").setIndicator("Onglet 1").setContent(R.id.textview1)); mTabHost.addTab(mTabHost.newTabSpec("tab_test2").setIndicator("Onglet 2").setContent(R.id.textview2)); mTabHost.addTab(mTabHost.newTabSpec("tab_test3").setIndicator("Onglet 3").setContent(R.id.textview3));la méthode setCurrentTab permet de définir l’onglet par défaut à l’ouverture de l’application
mTabHost.setCurrentTab(0);
code complet
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package org.com.apptab; import android.app.TabActivity; import android.os.Bundle; import android.view.Window; import android.widget.TabHost; public class AppTab extends TabActivity { /** Called when the activity is first created. */ private TabHost mTabHost; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mTabHost = getTabHost(); mTabHost.addTab(mTabHost.newTabSpec("tab_test1").setIndicator("Onglet 1").setContent(R.id.textview1)); mTabHost.addTab(mTabHost.newTabSpec("tab_test2").setIndicator("Onglet 2").setContent(R.id.textview2)); mTabHost.addTab(mTabHost.newTabSpec("tab_test3").setIndicator("Onglet 3").setContent(R.id.textview3)); mTabHost.setCurrentTab(0); } }
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Bonjour,
J’essaye de reproduire ce tuto mais je n’y arrive pas (Erreur lors du lancement de l’appli) Dans le flux xml, la première balise n’est pas le LinearLayout ” main ” ?
Serait il possible de voir le fichier xml svp ?
Merci d’avance
Je pense aussi que c’est le fichier xml qui manque…
@Thierry je fouille dans mes archives pour voir si je le retrouve ce fichier et le met en ligne
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