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    <p>@tonny</p> <p>i've download the FragmentBasics.zip. i only change the argument name.here is the code and result pic.</p> <p><strong>MainActivity</strong></p> <pre><code>public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.news_articles); // Check whether the activity is using the layout version with // the fragment_container FrameLayout. If so, we must add the first fragment if (findViewById(R.id.fragment_container) != null) { // However, if we're being restored from a previous state, // then we don't need to do anything and should return or else // we could end up with overlapping fragments. if (savedInstanceState != null) { return; } // Create an instance of ExampleFragment HeadlinesFragment fragment = new HeadlinesFragment(); // In case this activity was started with special instructions from an Intent, // pass the Intent's extras to the fragment as arguments // firstFragment.setArguments(getIntent().getExtras()); //test Bundle args= new Bundle(); args.putString("category", "clothes"); args.putString("item", "shirts"); fragment.setArguments(args); // Add the fragment to the 'fragment_container' FrameLayout getSupportFragmentManager().beginTransaction() .replace(R.id.fragment_container, fragment).commit(); } } </code></pre> <p><strong>HeadlinesFragment</strong></p> <pre><code>public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // We need to use a different list item layout for devices older than Honeycomb int layout = Build.VERSION.SDK_INT &gt;= Build.VERSION_CODES.HONEYCOMB ? android.R.layout.simple_list_item_activated_1 : android.R.layout.simple_list_item_1; Bundle args = getArguments(); if (args == null) { Toast.makeText(getActivity(), "arguments is null " , Toast.LENGTH_LONG).show(); } else { Toast.makeText(getActivity(), "text " + args , Toast.LENGTH_LONG).show(); } // Create an array adapter for the list view, using the Ipsum headlines array setListAdapter(new ArrayAdapter&lt;String&gt;(getActivity(), layout, Ipsum.Headlines)); } </code></pre> <p><strong>here is the result</strong></p> <p><img src="https://i.stack.imgur.com/JggbT.png" alt="enter image description here"></p>
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    1. POAndroid Fragment getArguments() returns null
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    1. COYes, looks like it works when using resolution < 600px. Please try it when using nexus7 AVD. Cause of course we want same result when using on tablet or on phone (>600px and <600px). Thanks
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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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