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2012-06-13T09:49:04.700
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2012-06-13T09:49:04.700
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Almost everything about your code is wrong. <pre><code> Display d = wm.getDefaultDisplay(); if(d.getWidth() > d.getHeight()){ mDetailView = inflater.inflate(R.layout.detail, container, false); }else{ mDetailView = inflater.inflate(R.layout.detail_port, container, false); } gridView = (GridView)mDetailView.findViewById(R.id.grid); </code></pre> Don't do this - The platform has it's own way of loading layouts by using the naming convention. Your code should look like this: <pre><code> mDetailView = inflater.inflate(R.layout.detail, container, false); gridView = (GridView)mDetailView.findViewById(R.id.grid); </code></pre> If you want it to look different in different orientations place two detail.xml files in both <code>layout-port</code> and <code>layout-land</code> and the OS will load the correct one (and deal with deduping all of your resource ids which is likely your problem). Also: <pre><code>DetailFragment detailView = (DetailFragment)getFragmentManager() .findFragmentById(R.id.detailFrame); DetailFragment detailFrag = new DetailFragment(topic_index, subTopicPosition, groupID, groupName); if(detailView==null){ ft.add(R.id.detailFrame, detailFrag); ft.commit(); }else{ ft.replace(R.id.detailFrame, detailFrag); ft.commit(); } </code></pre> You gain access to the Fragment present already. You then create a whole new Fragment. You then check to see if your first Fragment is null before adding the new one anyway? .add() and .replace() are different because add() specifically doesn't remove the previous fragment - replace() will not throw an error however if there isn't a previous fragment to remove so you can use this every time. <pre><code> ft.replace(R.id.detailFrame, new DetailFragment(topic_index, subTopicPosition, groupID, groupName); ft.commit(); </code></pre>
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1. POHow to config specific fragment's orientation when orientation change?
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1. USGraeme
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1. POHow to config specific fragment's orientation when orientation change?
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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.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.