Databases
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    <p>For the action items, if you are using fragments for your different "screens" then they can register to supply action items with <code>setHasOptionsMenu(true);</code> and define their actions by overriding <code>onCreateOptionsMenu(Menu menu, MenuInflater inflater)</code>. So, a good rule of design, if you can't explain it simply, you're probably doing something wrong and should change the design. </p> <p>It also might be a misuse of Android design to diverge too far from the action bar pattern, meaning you have something that looks like an ActionBar with navigation, but really you have some other thing that you have made up yourself. If this is required, then you should not make something that looks like an action bar with navigation, because users will expect certain behavior and get a different response (confusion).</p> <p>Finally, with what you describe, it seems that the Tabs drive the list navigation, yet the list navigation has visual precedence (being above and essentially containing the tabs). So if the tabs are consistent through selections of the list navigation, but the list changes based on selections of the tab navigation, it is represented clearer by having the tabs have visual precedence over the list navigation. So, if you keep both navigation I would reverse their order. Maybe try list navigation with a view pager instead of the list navigation. Jake has a great library for view pager too <a href="http://viewpagerindicator.com/" rel="nofollow">http://viewpagerindicator.com/</a> </p>
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    1. POAndroid layout with action bar and tabs
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    1. USDandre Allison
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Guidance
A row detail

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.

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