StackOverflow2013

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copied!<p>Here are some examples of borders in a GridView. </p> <p><img src="https://i.stack.imgur.com/p3kpI.png" alt="GridView Borders"></p> <p>You can see where I defined the Red and Blue borders in my XML.</p> <p>This is my main.xml Layout:</p> <pre><code><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/root" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@color/red" > <GridView android:id="@+id/gridview" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_margin="10dp" android:background="@color/blue" android:columnWidth="90dp" android:gravity="center" android:horizontalSpacing="10dp" android:numColumns="auto_fit" android:stretchMode="columnWidth" android:verticalSpacing="10dp" /> </RelativeLayout> </code></pre> <p>The thickness of the Red border is controlled GridView's <code>layout_margin</code> attribute and the Blue borders are controlled by <code>horizontalSpacing</code> and <code>verticalSpacing</code>.</p> <p>To make the black cell backgrounds I used this layout and saved it as list_item.xml:</p> <pre><code><TextView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@android:id/text1" android:layout_width="match_parent" android:layout_height="wrap_content" android:background="@android:color/black" android:gravity="center_vertical" android:minHeight="?android:attr/listPreferredItemHeight" android:paddingLeft="6dip" android:textAppearance="?android:attr/textAppearanceLarge" /> </code></pre> <p>My Activity:</p> <pre><code>public class Example extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); String[] array = new String[] {"one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten"}; List<String> list = new ArrayList<String>(Arrays.asList(array)); GridView grid = (GridView) findViewById(R.id.gridview); grid.setAdapter(new ArrayAdapter<String>(this, R.layout.list_item, list)); } } </code></pre>

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