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| <h1 itemprop="name">UiWatcher</h1> |
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| <h2>Class Overview</h2> |
| <p itemprop="articleBody">See <code><a href="../../../../../reference/android/support/test/uiautomator/UiDevice.html#registerWatcher(java.lang.String, android.support.test.uiautomator.UiWatcher)">registerWatcher(String, UiWatcher)</a></code> on how to register a |
| a condition watcher to be called by the automation library. The automation library will |
| invoke checkForCondition() only when a regular API call is in retry mode because it is unable |
| to locate its selector yet. Only during this time, the watchers are invoked to check if there is |
| something else unexpected on the screen.</p> |
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| <!-- ========== METHOD SUMMARY =========== --> |
| <table id="pubmethods" class="jd-sumtable"><tr><th colspan="12">Public Methods</th></tr> |
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| <td class="jd-typecol"><nobr> |
| abstract |
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| boolean</nobr> |
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| <td class="jd-linkcol" width="100%"><nobr> |
| <span class="sympad"><a href="../../../../../reference/android/support/test/uiautomator/UiWatcher.html#checkForCondition()">checkForCondition</a></span>()</nobr> |
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| <div class="jd-descrdiv"> |
| Custom handler that is automatically called when the testing framework is unable to |
| find a match using the <code><a href="../../../../../reference/android/support/test/uiautomator/UiSelector.html">UiSelector</a></code> |
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| When the framework is in the process of matching a <code><a href="../../../../../reference/android/support/test/uiautomator/UiSelector.html">UiSelector</a></code> and it |
| is unable to match any widget based on the specified criteria in the selector, |
| the framework will perform retries for a predetermined time, waiting for the display |
| to update and show the desired widget. |
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| <!-- Public methdos --> |
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| <h2>Public Methods</h2> |
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| <A NAME="checkForCondition()"></A> |
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| <div class="jd-details api apilevel-"> |
| <h4 class="jd-details-title"> |
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| public |
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| <span class="sympad">checkForCondition</span> |
| <span class="normal">()</span> |
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| <div class="api-level"> |
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| <div class="jd-details-descr"> |
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| <div class="jd-tagdata jd-tagdescr"><p>Custom handler that is automatically called when the testing framework is unable to |
| find a match using the <code><a href="../../../../../reference/android/support/test/uiautomator/UiSelector.html">UiSelector</a></code> |
| |
| When the framework is in the process of matching a <code><a href="../../../../../reference/android/support/test/uiautomator/UiSelector.html">UiSelector</a></code> and it |
| is unable to match any widget based on the specified criteria in the selector, |
| the framework will perform retries for a predetermined time, waiting for the display |
| to update and show the desired widget. While the framework is in this state, it will call |
| registered watchers' checkForCondition(). This gives the registered watchers a chance |
| to take a look at the display and see if there is a recognized condition that can be |
| handled and in doing so allowing the current test to continue. |
| |
| An example usage would be to look for dialogs popped due to other background |
| processes requesting user attention and have nothing to do with the application |
| currently under test.</p></div> |
| <div class="jd-tagdata"> |
| <h5 class="jd-tagtitle">Returns</h5> |
| <ul class="nolist"><li>true to indicate a matched condition or false for nothing was matched</li></ul> |
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