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POAndroid: How to restart an activity within a tabhost?
 

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  1. POAndroid: How to restart an activity within a tabhost?
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    <p>I've searched and I know it seems some people frown upon using activities within tabs, but moving past that...how would I restart a tabbed activity while still keeping the tabs visible? I have an activity in a tab, I use the menu to create a new activity to update the tab's activity displayed info, when I return from the menu activity I want the new information to be displayed in the tab's activity. I am using startActivityForResult() from the menu choice, but when I return and try to restart the activity...it wipes out the tabs above(I guess as expected, but I want to re-launch the refreshed activity within the tab).</p> <p>Creating the tabs:</p> <pre><code> TabHost host = getTabHost(); Intent home_intent = new Intent(constants.HOME_ACTION, null, this, homeTab.class); Intent inbox_intent = new Intent(constants.INBOX_ACTION, null, this, inboxTab.class); Intent stats_intent = new Intent(constants.STATS_ACTION, null, this, infoTab.class); host.addTab(host.newTabSpec(constants.HOME_TAG) .setIndicator(getText(R.string.home_label), getResources().getDrawable(R.drawable.icon)) .setContent(home_intent)); host.addTab(host.newTabSpec(constants.INBOX_TAG) .setIndicator(getText(R.string.inbox_label), getResources().getDrawable(R.drawable.icon)) .setContent(inbox_intent)); host.addTab(host.newTabSpec(constants.STATS_TAG) .setIndicator(getText(R.string.stats_label), getResources().getDrawable(R.drawable.icon)).setContent( stats_intent)); </code></pre> <p>Return from the menu activity in the tab's activity(updating database info):</p> <pre><code> public void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); switch(requestCode) { case (constants.ACTIVITY_REQUEST_CODE_UPDATE_PROFILE) : { if (resultCode == Activity.RESULT_OK) { boolean profileUpdated = data.getBooleanExtra(constants.ACTIVITY_BUNDLE_UPDATE_PROFILE, false); Log.d(LOG_TAG, "activity returned with " + profileUpdated); // Check to see if we updated our profile to refresh the screen if(profileUpdated == true){ // Refresh the screen with the new info homeTab.this.finish(); this.startActivity(getIntent()); } } break; } } } </code></pre>
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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