Android 动态更改片段(片段选项卡)的内容
我使用片段创建了一个选项卡式窗口,其中一个选项卡中有三个选项卡。我需要在不更改选项卡的情况下更改内容,我搜索并得出以下结论:Android 动态更改片段(片段选项卡)的内容,android,android-fragments,Android,Android Fragments,我使用片段创建了一个选项卡式窗口,其中一个选项卡中有三个选项卡。我需要在不更改选项卡的情况下更改内容,我搜索并得出以下结论: public class FragmentTab1 extends Fragment { @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { Vie
public class FragmentTab1 extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragmenttab1, container, false);
Button b = (Button)rootView.findViewById(R.id.button1);
b.setOnClickListener(on);
return rootView;
}
private View.OnClickListener on = new View.OnClickListener() {
@Override
public void onClick(View v) {
FragmentManager fragmentManager = getFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager
.beginTransaction();
Fragment3 fragment3 = new Fragment3();
fragmentTransaction.replace(R.layout.fragmenttab1, fragment3);
fragmentTransaction.commit();
}
};
}
这是我的主要活动:
public class MainActivity extends Activity {
// Declare Tab Variable
ActionBar.Tab Tab1, Tab2, Tab3;
Fragment fragmentTab1 = new FragmentTab1();
Fragment fragmentTab2 = new FragmentTab2();
Fragment fragmentTab3 = new FragmentTab3();
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ActionBar actionBar = getActionBar();
// Hide Actionbar Icon
actionBar.setDisplayShowHomeEnabled(false);
// Hide Actionbar Title
actionBar.setDisplayShowTitleEnabled(false);
// Create Actionbar Tabs
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
// Set Tab Icon and Titles
Tab1 = actionBar.newTab().setIcon(R.drawable.tab1);
Tab1 = actionBar.newTab().setText("Reminders");
//Tab2 = actionBar.newTab().setIcon(R.drawable.tab1);
Tab2 = actionBar.newTab().setText("Notifications");
//Tab3 = actionBar.newTab().setIcon(R.drawable.tab1);
Tab3 = actionBar.newTab().setText("Contacts");
// Set Tab Listeners
Tab1.setTabListener(new TabListener(fragmentTab1));
Tab2.setTabListener(new TabListener(fragmentTab2));
Tab3.setTabListener(new TabListener(fragmentTab3));
// Add tabs to actionbar
actionBar.addTab(Tab1);
actionBar.addTab(Tab2);
actionBar.addTab(Tab3);
}
}
下面是片段类:
public class Fragment3 extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragmenttab3, container, false);
return rootView;
}
}
然而,当我运行这个程序时,我得到一个奇怪的错误:
12-03 17:51:20.166: E/AndroidRuntime(1168): FATAL EXCEPTION: main
12-03 17:51:20.166: E/AndroidRuntime(1168): java.lang.IllegalArgumentException: No view found for id 0x7f030002 for fragment Fragment3{4155bdb8 #1 id=0x7f030002}
12-03 17:51:20.166: E/AndroidRuntime(1168): at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:789)
12-03 17:51:20.166: E/AndroidRuntime(1168): at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:998)
12-03 17:51:20.166: E/AndroidRuntime(1168): at android.app.BackStackRecord.run(BackStackRecord.java:622)
12-03 17:51:20.166: E/AndroidRuntime(1168): at android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1330)
12-03 17:51:20.166: E/AndroidRuntime(1168): at android.app.FragmentManagerImpl$1.run(FragmentManager.java:417)
12-03 17:51:20.166: E/AndroidRuntime(1168): at android.os.Handler.handleCallback(Handler.java:605)
12-03 17:51:20.166: E/AndroidRuntime(1168): at android.os.Handler.dispatchMessage(Handler.java:92)
12-03 17:51:20.166: E/AndroidRuntime(1168): at android.os.Looper.loop(Looper.java:137)
12-03 17:51:20.166: E/AndroidRuntime(1168): at android.app.ActivityThread.main(ActivityThread.java:4340)
12-03 17:51:20.166: E/AndroidRuntime(1168): at java.lang.reflect.Method.invokeNative(Native Method)
12-03 17:51:20.166: E/AndroidRuntime(1168): at java.lang.reflect.Method.invoke(Method.java:511)
12-03 17:51:20.166: E/AndroidRuntime(1168): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
12-03 17:51:20.166: E/AndroidRuntime(1168): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
12-03 17:51:20.166: E/AndroidRuntime(1168): at dalvik.system.NativeStart.main(Native Method)
有没有我可能出错的地方 在代码中没有发现任何问题
布局有问题。请检查片段布局和主要活动布局。请查看我的帖子。它包含了你所需要的一切,我使用的是一个片段选项卡,而不是好的旧选项卡主机。多维数据集的内容是使用FragmentTabHost完成的。请检查我在这里的帖子嘿,伙计,它工作了,我必须用R.id替换R.layout。构思一个答案,我会接受它,现在下一个任务是将它添加到后堆栈:)