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[英]java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState:- Error in Fragment
[英]java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState while using FragmentTabHost
我正在嘗試使用以下代碼創建選項卡式活動
public class FragmentTabs extends FragmentActivity { private FragmentTabHost mTabHost; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mTabHost = (FragmentTabHost) findViewById(android.R.id.tabhost); mTabHost.setup(this, getSupportFragmentManager(), R.id.realtabcontent); mTabHost.addTab(mTabHost.newTabSpec("simple").setIndicator("Simple"), SimpleFrag.class, null); mTabHost.addTab(mTabHost.newTabSpec("detailed").setIndicator("Detailed"), DetailedFrag.class, null); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.main, menu); return true; } }
該代碼始終顯示java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
在FragmentManager中的java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
。 我用搜索次數搜索了所有鏈接。 但我找不到任何解決方案。 請幫助我,因為我對此感到困惑。
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上面的代碼有時可以正常工作,有時會引發異常。
請嘗試以下代碼。
super.onCreate(savedInstanceState);
View root = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE).inflate(R.layout.activity_main, null, false);
setContentView(root);
mTabHost = (FragmentTabHost) root.findViewById(android.R.id.tabhost);
mTabHost.setup(this, getSupportFragmentManager(), R.id.realtabcontent);
mTabHost.addTab(mTabHost.newTabSpec("simple").setIndicator("Simple"),SimpleFrag.class, null);
mTabHost.addTab(mTabHost.newTabSpec("detailed").setIndicator("Detailed"), DetailedFrag.class, null);
嘗試使用此:
if (savedInstanceState == null) {
// write code here
}
如果不傳達代碼
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