119 lines
3.3 KiB
Plaintext
119 lines
3.3 KiB
Plaintext
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page.title=Hello, TableLayout
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parent.title=Hello, Views
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parent.link=index.html
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@jd:body
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<p>A {@link android.widget.TableLayout} is a ViewGroup that
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will lay child View elements into rows and columns.</p>
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<ol>
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<li>Start a new project/Activity called HelloTableLayout.</li>
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<li>Open the layout file.
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Make it like so:
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<pre>
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<?xml version="1.0" encoding="utf-8"?>
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<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="fill_parent"
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android:layout_height="fill_parent"
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android:stretchColumns="1">
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<TableRow>
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<TextView
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android:layout_column="1"
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android:text="Open..."
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android:padding="3dip" />
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<TextView
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android:text="Ctrl-O"
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android:gravity="right"
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android:padding="3dip" />
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</TableRow>
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<TableRow>
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<TextView
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android:layout_column="1"
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android:text="Save..."
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android:padding="3dip" />
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<TextView
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android:text="Ctrl-S"
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android:gravity="right"
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android:padding="3dip" />
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</TableRow>
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<TableRow>
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<TextView
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android:layout_column="1"
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android:text="Save As..."
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android:padding="3dip" />
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<TextView
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android:text="Ctrl-Shift-S"
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android:gravity="right"
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android:padding="3dip" />
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</TableRow>
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<View
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android:layout_height="2dip"
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android:background="#FF909090" />
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<TableRow>
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<TextView
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android:text="X"
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android:padding="3dip" />
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<TextView
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android:text="Import..."
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android:padding="3dip" />
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</TableRow>
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<TableRow>
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<TextView
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android:text="X"
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android:padding="3dip" />
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<TextView
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android:text="Export..."
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android:padding="3dip" />
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<TextView
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android:text="Ctrl-E"
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android:gravity="right"
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android:padding="3dip" />
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</TableRow>
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<View
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android:layout_height="2dip"
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android:background="#FF909090" />
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<TableRow>
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<TextView
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android:layout_column="1"
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android:text="Quit"
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android:padding="3dip" />
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</TableRow>
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</TableLayout>
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</pre>
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<p>Notice how this resembles the structure of an HTML table. <code>TableLayout</code> is like the
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<code>table</code> element; <code>TableRow</code> is like a <code>tr</code> element; but for our cells like
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the html <code>td</code> element, we can use any kind of View. Here, we use <code>TextView</code> for the cells.</p>
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</li>
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<li>Make sure your Activity loads this layout in the <code>onCreate()</code> method:
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<pre>
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.main);
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}
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</pre>
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<p><code>R.layout.main</code> refers to the <code>main.xml</code> layout file.</p>
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</li>
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<li>Run it.</li>
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</ol>
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<p>You should see the following:</p>
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<img src="images/hello-tablelayout.png" width="150px" />
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<h3>References</h3>
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<ul>
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<li>{@link android.widget.TableLayout}</li>
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<li>{@link android.widget.TableRow}</li>
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<li>{@link android.widget.TextView}</li>
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</ul>
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