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POTabs using action bar
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copied!<p>I am quite new to the action bar,I want to make simple application using the action bar tabs and fragments by using min sdk 14 and target sdk 16.</p> <p>this is the Fragment class</p> <pre><code>public class Tab1fragment extends Fragment{ @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // TODO Auto-generated method stub return inflater.inflate(R.layout.fragmenttab, container,false); } } </code></pre> <p>And this is the tablistener class</p> <pre><code>public class tabslistener implements ActionBar.TabListener{ Fragment _fragment; boolean check=true; public tabslistener(Fragment _fragment) { this._fragment=_fragment; } @Override public void onTabSelected(Tab tab, FragmentTransaction ft) { // TODO Auto-generated method stub if(check) { ft.add(R.id.Fragment1, _fragment,null); check=false; } else { ft.attach(_fragment); } } @Override public void onTabUnselected(Tab tab, FragmentTransaction ft) { // TODO Auto-generated method stub ft.detach(_fragment); } @Override public void onTabReselected(Tab tab, FragmentTransaction ft) { // TODO Auto-generated method stub } } </code></pre> <p>And this is my main class </p> <pre><code>public class NextActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); ActionBar actionbar=getActionBar(); actionbar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); Fragment fragment=Fragment.instantiate(this, Tab1fragment.class.getName()); tabslistener tablistener=new tabslistener(fragment); ActionBar.Tab tab1=actionbar.newTab().setTabListener(tablistener); actionbar.addTab(tab1); } </code></pre> <p>And this is the errors i got in the logcat</p> <pre><code>01-19 01:40:40.078: E/AndroidRuntime(725): FATAL EXCEPTION: main 01-19 01:40:40.078: E/AndroidRuntime(725): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.tabs/com.example.tabs.NextActivity}: java.lang.IllegalArgumentException: No view found for id 0x7f070001 for fragment Tab1fragment{416511c8 #0 id=0x7f070001} 01-19 01:40:40.078: E/AndroidRuntime(725): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1956) 01-19 01:40:40.078: E/AndroidRuntime(725): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981) 01-19 01:40:40.078: E/AndroidRuntime(725): at android.app.ActivityThread.access$600(ActivityThread.java:123) 01-19 01:40:40.078: E/AndroidRuntime(725): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147) 01-19 01:40:40.078: E/AndroidRuntime(725): at android.os.Handler.dispatchMessage(Handler.java:99) 01-19 01:40:40.078: E/AndroidRuntime(725): at android.os.Looper.loop(Looper.java:137) 01-19 01:40:40.078: E/AndroidRuntime(725): at android.app.ActivityThread.main(ActivityThread.java:4424) 01-19 01:40:40.078: E/AndroidRuntime(725): at java.lang.reflect.Method.invokeNative(Native Method) 01-19 01:40:40.078: E/AndroidRuntime(725): at java.lang.reflect.Method.invoke(Method.java:511) 01-19 01:40:40.078: E/AndroidRuntime(725): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) 01-19 01:40:40.078: E/AndroidRuntime(725): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551) 01-19 01:40:40.078: E/AndroidRuntime(725): at dalvik.system.NativeStart.main(Native Method) 01-19 01:40:40.078: E/AndroidRuntime(725): Caused by: java.lang.IllegalArgumentException: No view found for id 0x7f070001 for fragment Tab1fragment{416511c8 #0 id=0x7f070001} 01-19 01:40:40.078: E/AndroidRuntime(725): at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:822) 01-19 01:40:40.078: E/AndroidRuntime(725): at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1032) 01-19 01:40:40.078: E/AndroidRuntime(725): at android.app.BackStackRecord.run(BackStackRecord.java:622) 01-19 01:40:40.078: E/AndroidRuntime(725): at android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1382) 01-19 01:40:40.078: E/AndroidRuntime(725): at android.app.Activity.performStart(Activity.java:4474) 01-19 01:40:40.078: E/AndroidRuntime(725): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1929) </code></pre>

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