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Android example source code file (ListFocusableTest.java)

This example Android source code file (ListFocusableTest.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, arrayadapter, exception, listadapter, listfocusabletest, listtopgravity, listview, mediumtest, override, robot, runnable, string, test, ui, widget

The ListFocusableTest.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.test.ActivityInstrumentationTestCase;
import android.test.suitebuilder.annotation.MediumTest;
import android.widget.ListView;
import android.widget.ListAdapter;
import android.widget.ArrayAdapter;

public class ListFocusableTest extends ActivityInstrumentationTestCase<ListTopGravity> {
    private ListTopGravity mActivity;
    private ListView mListView;

    public ListFocusableTest() {
        super("com.android.frameworks.coretests", ListTopGravity.class);
    }

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

        mActivity = getActivity();
        mListView = getActivity().getListView();
    }

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

        // First item should be selected
        assertEquals(0, mListView.getSelectedItemPosition());
    }

    @MediumTest
    public void testAdapterFull() {
        setFullAdapter();
        assertTrue(mListView.isFocusable());
    }

    @MediumTest
    public void testAdapterEmpty() {
        setEmptyAdapter();
        assertFalse(mListView.isFocusable());
    }

    @MediumTest
    public void testAdapterNull() {
        setNullAdapter();
        assertFalse(mListView.isFocusable());
    }

    @MediumTest
    public void testAdapterFullSetFocusable() {
        assertTrue(mListView.isFocusable());

        setFocusable();
        assertTrue(mListView.isFocusable());
    }

    @MediumTest
    public void testAdapterFullSetNonFocusable() {
        assertTrue(mListView.isFocusable());

        setNonFocusable();
        assertFalse(mListView.isFocusable());
    }

    @MediumTest
    public void testAdapterEmptySetFocusable() {
        setEmptyAdapter();
        assertFalse(mListView.isFocusable());

        setFocusable();
        assertFalse(mListView.isFocusable());
    }

    @MediumTest
    public void testAdapterEmptySetNonFocusable() {
        setEmptyAdapter();
        assertFalse(mListView.isFocusable());

        setNonFocusable();
        assertFalse(mListView.isFocusable());
    }

    @MediumTest
    public void testAdapterNullSetFocusable() {
        setNullAdapter();
        assertFalse(mListView.isFocusable());

        setFocusable();
        assertFalse(mListView.isFocusable());
    }

    @MediumTest
    public void testAdapterNullSetNonFocusable() {
        setNullAdapter();
        assertFalse(mListView.isFocusable());

        setNonFocusable();
        assertFalse(mListView.isFocusable());
    }

    @MediumTest
    public void testFocusableSetAdapterFull() {
        assertTrue(mListView.isFocusable());

        setFullAdapter();
        assertTrue(mListView.isFocusable());
    }

    @MediumTest
    public void testNonFocusableSetAdapterFull() {
        assertTrue(mListView.isFocusable());

        setNonFocusable();
        assertFalse(mListView.isFocusable());

        setFullAdapter();
        assertFalse(mListView.isFocusable());
    }

    @MediumTest
    public void testFocusableSetAdapterEmpty() {
        assertTrue(mListView.isFocusable());

        setEmptyAdapter();
        assertFalse(mListView.isFocusable());
    }

    @MediumTest
    public void testNonFocusableSetAdapterEmpty() {
        assertTrue(mListView.isFocusable());

        setNonFocusable();
        assertFalse(mListView.isFocusable());

        setEmptyAdapter();
        assertFalse(mListView.isFocusable());
    }

    @MediumTest
    public void testFocusableSetAdapterNull() {
        assertTrue(mListView.isFocusable());

        setNullAdapter();
        assertFalse(mListView.isFocusable());
    }

    @MediumTest
    public void testNonFocusableSetAdapterNull() {
        assertTrue(mListView.isFocusable());

        setNonFocusable();
        assertFalse(mListView.isFocusable());

        setNullAdapter();
        assertFalse(mListView.isFocusable());
    }

    private ListAdapter createFullAdapter() {
        return new ArrayAdapter<String>(mActivity, android.R.layout.simple_list_item_1,
                new String[] { "Android", "Robot" });
    }

    private ListAdapter createEmptyAdapter() {
        return new ArrayAdapter<String>(mActivity, android.R.layout.simple_list_item_1,
                new String[] { });
    }


    private void setFullAdapter() {
        mActivity.runOnUiThread(new Runnable() {
            public void run() {
                mListView.setAdapter(createFullAdapter());
            }
        });
        getInstrumentation().waitForIdleSync();
    }

    private void setEmptyAdapter() {
        mActivity.runOnUiThread(new Runnable() {
            public void run() {
                mListView.setAdapter(createEmptyAdapter());
            }
        });
        getInstrumentation().waitForIdleSync();
    }

    private void setNullAdapter() {
        mActivity.runOnUiThread(new Runnable() {
            public void run() {
                mListView.setAdapter(null);
            }
        });
        getInstrumentation().waitForIdleSync();
    }

    private void setFocusable() {
        mActivity.runOnUiThread(new Runnable() {
            public void run() {
                mListView.setFocusable(true);
            }
        });
        getInstrumentation().waitForIdleSync();
    }

    private void setNonFocusable() {
        mActivity.runOnUiThread(new Runnable() {
            public void run() {
                mListView.setFocusable(false);
            }
        });
        getInstrumentation().waitForIdleSync();
    }
}

Other Android examples (source code examples)

Here is a short list of links related to this Android ListFocusableTest.java source code file:

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