Android example source code file (ListViewHeightTest.java)

This example Android source code file (ListViewHeightTest.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

activityinstrumentationtestcase, android, app, application, button, exception, list, listview, listviewheighttest, mediumtest, override, runnable, test, ui, unexpected, widget

The ListViewHeightTest.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.widget.listview;

import android.app.Instrumentation;
import android.test.ActivityInstrumentationTestCase;
import android.test.suitebuilder.annotation.MediumTest;
import android.widget.Button;
import android.widget.ListView;

import com.android.frameworks.coretests.R;
import android.widget.listview.ListViewHeight;

public class ListViewHeightTest extends ActivityInstrumentationTestCase<ListViewHeight> {
    private ListViewHeight mActivity;


    public ListViewHeightTest() {
        super("com.android.frameworks.coretests", ListViewHeight.class);
    }
    
    @Override
    protected void setUp() throws Exception {
        super.setUp();

        mActivity = getActivity();
    }

    @MediumTest
    public void testPreconditions() {
        assertNotNull(mActivity);
    }

    @MediumTest
    public void testButtons() {
        Instrumentation inst = getInstrumentation();
        final Button button1 = (Button) mActivity.findViewById(R.id.button1);
        final Button button2 = (Button) mActivity.findViewById(R.id.button2);
        final Button button3 = (Button) mActivity.findViewById(R.id.button3);
        

        ListView list = (ListView) mActivity.findViewById(R.id.inner_list);
        assertEquals("Unexpected items in adapter", 0, list.getCount());
        assertEquals("Unexpected children in list view", 0, list.getChildCount());
        
        mActivity.runOnUiThread(new Runnable() {
            public void run() {
                button1.performClick();
            }
        });
        inst.waitForIdleSync();
        assertTrue("List not be visible after clicking button1", list.isShown());
        assertTrue("List incorrect height", list.getHeight() == 200);
        
        mActivity.runOnUiThread(new Runnable() {
            public void run() {
                button2.performClick();
            }
        });
        inst.waitForIdleSync();
        assertTrue("List not be visible after clicking button2", list.isShown());

        mActivity.runOnUiThread(new Runnable() {
            public void run() {
                button3.performClick();
            }
        });
        inst.waitForIdleSync();
        assertFalse("List should not be visible clicking button3", list.isShown());
    }
    
}