[英]how to change tab of a tabactivity from an activity started by the tabactivity ? or change current tab
public class HMITabActivity extends TabActivity{
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
final TabHost tabHost = getTabHost();
tabHost.addTab(tabHost.newTabSpec("Tasks")
.setIndicator("Tasks", getResources().getDrawable(R.drawable.program))
.setContent(new Intent(this, Tasks.class)));
tabHost.addTab(tabHost.newTabSpec("HMI")
.setIndicator("HMI")
.setContent(new Intent(this, HMI.class)));
tabHost.addTab(tabHost.newTabSpec("Diagnostics")
.setIndicator("Diagnostics", getResources().getDrawable(R.drawable.diagnostics))
.setContent(new Intent(this, Diagnostics.class)));
tabHost.addTab(tabHost.newTabSpec("About")
.setIndicator("About")
.setContent(new Intent(this, Tasks.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)));
//WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
//Method[] wmMethods = wifiManager.getClass().getDeclaredMethods();
}
} }
how to change the current tab from any of these sub activities (eg: Diagnostics activity).... ?? 如何从任何这些子活动中更改当前选项卡(例如:诊断活动).... ??
从儿童活动:
((TabActivity) getParent()).getTabHost().setCurrentTab(2)
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