Android example source code file (TouchModeFlexibleAsserts.java)

This example Android source code file (TouchModeFlexibleAsserts.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

android, interruptedexception, max_attempts, max_delay_millis, runtimeexception, test, touchmodeflexibleasserts, ui, view

The TouchModeFlexibleAsserts.java Android example source code

/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.util;

import junit.framework.Assert;

import android.test.InstrumentationTestCase;
import android.test.TouchUtils;
import android.view.View;

/**
 * When entering touch mode via touch, the tests can be flaky.  These asserts
 * are more flexible (allowing up to MAX_ATTEMPTS touches to enter touch mode via touch or
 * tap) until we can find a way to solve the flakiness.
 */
public class TouchModeFlexibleAsserts {

    private static int MAX_ATTEMPTS = 2;

    private static int MAX_DELAY_MILLIS = 2000;

    public static void assertInTouchModeAfterClick(InstrumentationTestCase test, View viewToTouch) {
        int numAttemptsAtTouchMode = 0;
        while (numAttemptsAtTouchMode < MAX_ATTEMPTS &&
                !viewToTouch.isInTouchMode()) {
            TouchUtils.clickView(test, viewToTouch);
            numAttemptsAtTouchMode++;
        }
        Assert.assertTrue("even after " + MAX_ATTEMPTS + " clicks, did not enter "
                + "touch mode", viewToTouch.isInTouchMode());
        //Assert.assertEquals("number of touches to enter touch mode", 1, numAttemptsAtTouchMode);
    }

    public static void assertInTouchModeAfterTap(InstrumentationTestCase test, View viewToTouch) {
        int numAttemptsAtTouchMode = 0;
        while (numAttemptsAtTouchMode < MAX_ATTEMPTS &&
                !viewToTouch.isInTouchMode()) {
            TouchUtils.tapView(test, viewToTouch);
            numAttemptsAtTouchMode++;
        }
        Assert.assertTrue("even after " + MAX_ATTEMPTS + " taps, did not enter "
                + "touch mode", viewToTouch.isInTouchMode());
        //Assert.assertEquals("number of touches to enter touch mode", 1, numAttemptsAtTouchMode);
    }

    public static void assertNotInTouchModeAfterKey(InstrumentationTestCase test, int keyCode, View checkForTouchMode) {
        test.sendKeys(keyCode);
        int amountLeft = MAX_DELAY_MILLIS;

        while (checkForTouchMode.isInTouchMode() && amountLeft > 0) {
            amountLeft -= 200;
            try {
                Thread.sleep(200);
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
        }
        Assert.assertFalse("even after waiting " + MAX_DELAY_MILLIS + " millis after " 
                + "pressing key event, still in touch mode", checkForTouchMode.isInTouchMode());
    }
}