Android example source code file (VisibilityCallbackTest.java)

This example Android source code file (VisibilityCallbackTest.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

activityinstrumentationtestcase2, android, button, exception, mediumtest, override, runnable, test, textview, ui, uithreadtest, view, viewgroup, visibilitycallbacktest, widget

The VisibilityCallbackTest.java Android example source code

/*
 * Copyright (C) 2007 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.view;

import android.test.ActivityInstrumentationTestCase2;
import android.test.UiThreadTest;
import android.test.suitebuilder.annotation.MediumTest;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.TextView;
import com.android.frameworks.coretests.R;

/**
 * Exercises {@link android.view.View}'s ability to change visibility between
 * GONE, VISIBLE and INVISIBLE.
 */
public class VisibilityCallbackTest extends ActivityInstrumentationTestCase2<VisibilityCallback> {
    private TextView mRefUp;
    private TextView mRefDown;
    private VisibilityCallback.MonitoredTextView mVictim;
    private ViewGroup mParent;
    private Button mVisible;
    private Button mInvisible;
    private Button mGone;

    public VisibilityCallbackTest() {
        super("com.android.frameworks.coretests", VisibilityCallback.class);
    }

    @Override
    public void setUp() throws Exception {
        super.setUp();

        final VisibilityCallback a = getActivity();
        mRefUp = (TextView) a.findViewById(R.id.refUp);
        mRefDown = (TextView) a.findViewById(R.id.refDown);
        mVictim = (VisibilityCallback.MonitoredTextView) a.findViewById(R.id.victim);
        mParent = (ViewGroup) a.findViewById(R.id.parent);
        mVisible = (Button) a.findViewById(R.id.vis);
        mInvisible = (Button) a.findViewById(R.id.invis);
        mGone = (Button) a.findViewById(R.id.gone);

        mVictim.post(new Runnable() {
            public void run() {
                mVictim.setVisibility(View.INVISIBLE);
            }
        });
        getInstrumentation().waitForIdleSync();
     }

    @MediumTest
    @UiThreadTest
    public void testSetUpConditions() throws Exception {
        assertNotNull(mRefUp);
        assertNotNull(mRefDown);
        assertNotNull(mVictim);
        assertNotNull(mVisible);
        assertNotNull(mInvisible);
        assertNotNull(mGone);

        assertTrue(mVisible.hasFocus());
        assertEquals(View.INVISIBLE, mVictim.getVisibility());
        assertEquals(View.VISIBLE, mParent.getVisibility());
    }

    @MediumTest
    @UiThreadTest
    public void testDirect() throws Exception {
        mVictim.setVisibility(View.VISIBLE);
        assertEquals(View.VISIBLE, mVictim.getLastChangedVisibility());
        assertEquals(mVictim, mVictim.getLastVisChangedView());

        mVictim.setVisibility(View.INVISIBLE);
        assertEquals(View.INVISIBLE, mVictim.getLastChangedVisibility());
        assertEquals(mVictim, mVictim.getLastVisChangedView());

        mVictim.setVisibility(View.GONE);
        assertEquals(View.GONE, mVictim.getLastChangedVisibility());
        assertEquals(mVictim, mVictim.getLastVisChangedView());
    }

    @MediumTest
    @UiThreadTest
    public void testChild() throws Exception {
        mParent.setVisibility(View.INVISIBLE);
        assertEquals(View.INVISIBLE, mVictim.getLastChangedVisibility());
        assertEquals(mParent, mVictim.getLastVisChangedView());

        mParent.setVisibility(View.GONE);
        assertEquals(View.GONE, mVictim.getLastChangedVisibility());
        assertEquals(mParent, mVictim.getLastVisChangedView());

        mParent.setVisibility(View.VISIBLE);
        assertEquals(View.VISIBLE, mVictim.getLastChangedVisibility());
        assertEquals(mParent, mVictim.getLastVisChangedView());
    }
}