125 lines
3.7 KiB
Plaintext
125 lines
3.7 KiB
Plaintext
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page.title=Table Layout
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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>{@link android.widget.TableLayout} is a {@link android.view.ViewGroup} that
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displays child {@link android.view.View} elements in rows and columns.</p>
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<ol>
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<li>Start a new project named <em>HelloTableLayout</em>.</li>
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<li>Open the <code>res/layout/main.xml</code> file and insert the following:
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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. The {@link android.widget.TableLayout}
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element is like the HTML <code><table></code> element; {@link android.widget.TableRow} is like
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a <code>><tr>></code> element;
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but for the cells, you can use any kind of {@link android.view.View} element. In this example, a
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{@link android.widget.TextView} is used for each cell. In between some of the rows, there is also a
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basic {@link android.view.View}, which is used to draw a horizontal line.</p>
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</li>
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<li>Make sure your <em>HelloTableLayout</em> Activity loads this layout in the
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{@link android.app.Activity#onCreate(Bundle) onCreate()} 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>The {@link android.app.Activity#setContentView(int)} method loads the
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layout file for the {@link android.app.Activity}, specified by the resource
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ID — <code>R.layout.main</code> refers to the <code>res/layout/main.xml</code> layout
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file.</p>
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</li>
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<li>Run the application.</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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