Dans mon application, je gonfle la barre d'action dans l'activité Tabhost. Ici actionbar dosn't affichée même i gonflez en utilisant onCreateOptionsMenu(Menu menu)
En follwing j'ai posté mon codeGonfle la barre d'action à partir du menu dans l'activité tabhost
TabhostActivity.xml
<?xml version="1.0" encoding="utf-8"?>
<TabHost xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@android:id/tabhost"
android:layout_width="match_parent" android:layout_height="match_parent"
android:background="@color/appblue">
<LinearLayout
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<TabWidget
android:id="@android:id/tabs"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"/>
<FrameLayout
android:id="@android:id/tabcontent"
android:layout_width="fill_parent"
android:layout_height="fill_parent"/>
</LinearLayout>
</TabHost>
Ceci est mon menuItem.xml (articles actionbar)
<?xml version="1.0" encoding="utf-8"?>
<menu
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:appmunu="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
tools:context="com.after2.svirtzone.after2_gradle.UserDashBoardActivity">
<item
android:id="@+id/action_notify"
android:icon="@drawable/mail_icon"
appmunu:showAsAction="always"
android:title="Notification" />
<item
android:id="@+id/action_favourite"
android:icon="@drawable/favourite_icon"
appmunu:showAsAction="always"
android:title="Favourite" />
<item
android:id ="@+id/action_navigation"
android:icon="@drawable/ic_menu"
appmunu:showAsAction = "always"
android:title="navigation"
android:layout_gravity="left"/>
</menu>
Cette est mon TabhostActivité
public class TabHostActivity extends TabActivity {
private Context context;
private static final String TAB_1_TAG = "AboutCollege";
private static final String TAB_2_TAG = "Focus of Course";
private static final String TAB_3_TAG = "Admision";
private static final String TAB_4_TAG = "Contact Details";
private static final String TAB_5_TAG = "Back";
@Override
protected void onStart() {
super.onStart();
AppActivityStatus.setActivityStarted();
AppActivityStatus.setActivityContext(context);
}
@Override
protected void onPause() {
super.onPause();
AppActivityStatus.setActivityStoped();
}
@Override
protected void onResume() {
super.onResume();
AppActivityStatus.setActivityStarted();
}
@Override
protected void onStop() {
super.onStop();
AppActivityStatus.setActivityStoped();
}
//here this the code for displaying the actionbar
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_user_dash_boad, menu);
return true;
}
// delete the selected event from event list added here
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.action_notify:
return true;
case R.id.action_favourite:
return true;
case R.id.action_navigation:
}
return super.onOptionsItemSelected(item);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.tab_host);
context = getApplicationContext();
TabHost tabHost = (TabHost) findViewById(android.R.id.tabhost);
TabHost.TabSpec tag5= tabHost.newTabSpec(TAB_5_TAG);
TabHost.TabSpec tag4= tabHost.newTabSpec(TAB_4_TAG);
TabHost.TabSpec tag3= tabHost.newTabSpec(TAB_3_TAG);
TabHost.TabSpec tag2= tabHost.newTabSpec(TAB_2_TAG);
TabHost.TabSpec tag1= tabHost.newTabSpec(TAB_1_TAG);
tag1.setIndicator("", getResources().getDrawable(R.drawable.college_hover)).setContent(new Intent(this,AdmissionActivity.class));
tag2.setIndicator("", getResources().getDrawable(R.drawable.course)).setContent(new Intent(this, AboutCollegeActivity.class));
tag3.setIndicator("", getResources().getDrawable(R.drawable.admission)).setContent(new Intent(this, AboutCollegeActivity.class));
tag4.setIndicator("", getResources().getDrawable(R.drawable.contact)).setContent(new Intent(this, AboutCollegeActivity.class));
tag5.setIndicator("", getResources().getDrawable(R.drawable.back)).setContent(new Intent(this, AboutCollegeActivity.class));
tabHost.addTab(tag1);
tabHost.addTab(tag2);
tabHost.addTab(tag3);
tabHost.addTab(tag4);
}
}
Ici la barre d'action ne s'affiche pas d, mais toutes les autres activités autres que TabhostActivity cela a fonctionné parfaitement
Si j'ajoute cette ligne, j'ai l'exception de pointeur nul sur cette ligne –
quelle version de la bibliothèque de support utilisez-vous? Quelles sont les plates-formes qui utilisent eclipse ou studio? – abhishek
je suis en utilisant android studio suupport bibliothèque v7 –