您可以點擊這裏:http://developer.android.com/reference/android/app/TabActivity.html
在那個例子中,他們展示瞭如何使用FragmentTabs與支持包,如果你往下看,你可以看到他們實現自己的TabManager類。在那裏,他們實現函數addTab:
public void addTab(TabHost.TabSpec tabSpec, Class<?> clss, Bundle args) {
tabSpec.setContent(new DummyTabFactory(mActivity));
String tag = tabSpec.getTag();
TabInfo info = new TabInfo(tag, clss, args);
// Check to see if we already have a fragment for this tab, probably
// from a previously saved state. If so, deactivate it, because our
// initial state is that a tab isn't shown.
info.fragment = mActivity.getSupportFragmentManager().findFragmentByTag(tag);
if (info.fragment != null && !info.fragment.isDetached()) {
FragmentTransaction ft = mActivity.getSupportFragmentManager().beginTransaction();
ft.detach(info.fragment);
ft.commit();
}
mTabs.put(tag, info);
mTabHost.addTab(tabSpec);
}
還有你創建對象TabInfo,以前定義爲:
static final class TabInfo {
private final String tag;
private final Class<?> clss;
private final Bundle args;
private Fragment fragment;
TabInfo(String _tag, Class<?> _class, Bundle _args) {
tag = _tag;
clss = _class;
args = _args;
}
}
你可以把對束(參數)的數據。現在,如果你看一下重寫的功能onTabChanged你可以看到包是如何在片段的實例化(newTab.args)通過:
@Override
public void onTabChanged(String tabId) {
TabInfo newTab = mTabs.get(tabId);
if (mLastTab != newTab) {
FragmentTransaction ft = mActivity.getSupportFragmentManager().beginTransaction();
if (mLastTab != null) {
if (mLastTab.fragment != null) {
ft.detach(mLastTab.fragment);
}
}
if (newTab != null) {
if (newTab.fragment == null) {
newTab.fragment = Fragment.instantiate(mActivity,
newTab.clss.getName(), newTab.args);
ft.add(mContainerId, newTab.fragment, newTab.tag);
} else {
ft.attach(newTab.fragment);
}
}
mLastTab = newTab;
ft.commit();
mActivity.getSupportFragmentManager().executePendingTransactions();
}
}
最後,您可以訪問調用getArguments片段本身束()
希望有所幫助。
你在FragmnetActivity或Fragment類中傳遞額外的內容? – kyogs
如何在Fragment類中獲得額外的數據? – AbiAndroid
可能重複[Android:傳遞數據(額外)到片段](http://stackoverflow.com/questions/15392261/android-pass-dataextras-to-a-fragment) –