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POHow to test InputMethodService
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  1. POHow to test InputMethodService
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    copied!<p>I have a basic implementation of the Android <a href="http://developer.android.com/reference/android/inputmethodservice/InputMethodService.html">InputMethodService</a> which I am trying to write unit tests for. My application does not have any Activites, just the implementation of InputMethodService.</p> <p>So far I have a basic implementation of a ServiceTestCase which is working great:</p> <p><strong>SoftKeyboardTest.java</strong></p> <pre><code> public class SoftKeyboardTest extends ServiceTestCase&lt;SoftKeyboard&gt; { @Override protected void setUp() throws Exception { super.setUp(); bindService(new Intent(this.getContext(), SoftKeyboard.class)); } public void testShowKeyboard() { this.getService().ShowKeyboard(); assertTrue(this.getService().GetKeyboardIsVisible()); } public void testInsertText() { String text = "Hello, world"; this.getService().InsertText(text); assertEquals(this.getService().ReadText(text.length()), text); } } </code></pre> <p>However, I would like to test some of the functionality which inserts text into the currently focused EditText using <a href="http://developer.android.com/reference/android/inputmethodservice/InputMethodService.html#getCurrentInputConnection%28%29">getCurrentInputConnection()</a>:</p> <p><strong>SoftKeyboard.java</strong></p> <pre><code>public void InsertText(String sentence) { getCurrentInputConnection().commitText(sentence, 1); } public void ReadText(int chars) { getCurrentInputConnection().getTextBeforeCursor(chars, 0); } </code></pre> <p>Obviously in this case I get a NullPointerException due to there not actually being any focused EditText.</p> <p>How can I get my test application to launch my service, somehow focus on an EditText, then launch my test cases so that I can properly test my service methods?</p>
 

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