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diff --git a/docs/html/resources/tutorials/notepad/notepad-extra-credit.jd b/docs/html/resources/tutorials/notepad/notepad-extra-credit.jd new file mode 100644 index 0000000..0d59b56 --- /dev/null +++ b/docs/html/resources/tutorials/notepad/notepad-extra-credit.jd @@ -0,0 +1,70 @@ +page.title=Notepad Extra Credit +parent.title=Notepad Tutorial +parent.link=index.html +@jd:body + + +<p><em>In this exercise, you will use the debugger to look at the work you did +in Exercise 3. This exercise demonstrates:</em></p> +<ul> +<li><em>How to set breakpoints to observe execution</em> </li> +<li><em>How to run your application in debug mode</code></em></li> +</ul> + +<div style="float:right;white-space:nowrap"> + + [<a href="notepad-ex1.html">Exercise 1</a>] + [<a href="notepad-ex2.html">Exercise 2</a>] + [<a href="notepad-ex3.html">Exercise 3</a>] + <span style="color:#BBB;"> + [<a href="notepad-extra-credit.html" style="color:#BBB;">Extra Credit</a>] + </span> +</div> + +<h2>Step 1</h2> + +<p>Using the working <code>Notepadv3</code>, put breakpoints in the code at the + beginning of the <code>onCreate()</code>, <code>onPause()</code>, + <code>onSaveInstanceState()</code> and <code>onResume()</code> methods in the + <code>NoteEdit</code> class (if you are not familiar with Eclipse, just + right click in the narrow grey border on the left of the edit window at the + line you want a breakpoint, and select <em>Toggle Breakpoint</em>, you +should see a blue dot appear).</p> + +<h2>Step 2</h2> + +<p>Now start the notepad demo in debug mode:</p> + +<ol type="a"> + <li> + Right click on the <code>Notepadv3</code> project and from the Debug menu + select <em>Debug As -> Android Application.</em></li> + <li> + The Android emulator should say <em>"waiting for debugger to connect"</em> + briefly and then run the application.</li> + <li> + If it gets stuck on the waiting... screen, quit the emulator and Eclipse, + from the command line do an <code>adb kill-server</code>, and then restart +Eclipse and try again.</li></ol> + + <h2>Step 3</h2> + +<p>When you edit or create a new note you should see the breakpoints getting + hit and the execution stopping.</p> + + <h2>Step 4</h2> + +<p>Hit the Resume button to let execution continue (yellow rectangle with a +green triangle to its right in the Eclipse toolbars near the top).</p> + +<h2>Step 5</h2> + +<p>Experiment a bit with the confirm and back buttons, and try pressing Home and + making other mode changes. Watch what life-cycle events are generated and +when.</p> + +<p>The Android Eclipse plugin not only offers excellent debugging support for +your application development, but also superb profiling support. You can also +try using <a href="{@docRoot}guide/developing/tools/traceview.html">Traceview</a> to profile your application. If your application is running too slow, this can help you +find the bottlenecks and fix them.</p> + |