Android example source code file (HorizontalFocusSearchTest.java)

This example Android source code file (HorizontalFocusSearchTest.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, button, exception, focussearchalg, horizontalfocussearchtest, linearlayout, newfocussearchalg, override, suppress, test, todo_testsearchfrommiddleleftbutton, todo_testsearchfrommiddlerightbutton, ui, view, widget

The HorizontalFocusSearchTest.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.focus;

import android.widget.focus.HorizontalFocusSearch;

import android.test.ActivityInstrumentationTestCase;
import android.test.suitebuilder.annotation.Suppress;
import android.widget.LinearLayout;
import android.widget.Button;
import android.view.View;

import static android.widget.focus.VerticalFocusSearchTest.FocusSearchAlg;
import static android.widget.focus.VerticalFocusSearchTest.NewFocusSearchAlg;

/**
 * Tests that focus searching works on a horizontal linear layout of buttons of
 * various widths and vertical placements.
 */
// Suppress until bug http://b/issue?id=1416545 is fixed.
@Suppress
public class HorizontalFocusSearchTest extends ActivityInstrumentationTestCase<HorizontalFocusSearch> {

    private FocusSearchAlg mFocusFinder;

    private LinearLayout mLayout;
    private Button mLeftTall;
    private Button mMidShort1Top;
    private Button mMidShort2Bottom;
    private Button mRightTall;


    public HorizontalFocusSearchTest() {
        super("com.android.frameworks.coretests", HorizontalFocusSearch.class);
    }

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

        mFocusFinder = new NewFocusSearchAlg();

        mLayout = getActivity().getLayout();
        mLeftTall = getActivity().getLeftTall();
        mMidShort1Top = getActivity().getMidShort1Top();
        mMidShort2Bottom = getActivity().getMidShort2Bottom();
        mRightTall = getActivity().getRightTall();
    }

    public void testPreconditions() {
        assertNotNull(mLayout);
        assertNotNull(mLeftTall);
        assertNotNull(mMidShort1Top);
        assertNotNull(mMidShort2Bottom);
        assertNotNull(mRightTall);
    }

    public void testSearchFromLeftButton() {
        assertNull("going up from mLeftTall",
                mFocusFinder.findNextFocus(mLayout, mLeftTall, View.FOCUS_UP));
        assertNull("going down from mLeftTall",
                mFocusFinder.findNextFocus(mLayout, mLeftTall, View.FOCUS_DOWN));
        assertNull("going left from mLeftTall",
                mFocusFinder.findNextFocus(mLayout, mLeftTall, View.FOCUS_LEFT));

        assertEquals("going right from mLeftTall",
                mMidShort1Top,
                mFocusFinder.findNextFocus(mLayout, mLeftTall, View.FOCUS_RIGHT));
    }

    public void TODO_testSearchFromMiddleLeftButton() {
        assertNull("going up from mMidShort1Top",
                mFocusFinder.findNextFocus(mLayout, mMidShort1Top, View.FOCUS_UP));
        assertEquals("going down from mMidShort1Top",
                mMidShort2Bottom,
                mFocusFinder.findNextFocus(mLayout, mMidShort1Top, View.FOCUS_DOWN));
        assertEquals("going left from mMidShort1Top",
                mLeftTall,
                mFocusFinder.findNextFocus(mLayout, mMidShort1Top, View.FOCUS_LEFT));
        assertEquals("going right from mMidShort1Top",
                mMidShort2Bottom,
                mFocusFinder.findNextFocus(mLayout, mMidShort1Top, View.FOCUS_RIGHT));
    }

    public void TODO_testSearchFromMiddleRightButton() {
        assertEquals("going up from mMidShort2Bottom",
                mMidShort1Top,
                mFocusFinder.findNextFocus(mLayout, mMidShort2Bottom, View.FOCUS_UP));
        assertNull("going down from mMidShort2Bottom",
                mFocusFinder.findNextFocus(mLayout, mMidShort2Bottom, View.FOCUS_DOWN));
        assertEquals("going left from mMidShort2Bottom",
                mMidShort1Top,
                mFocusFinder.findNextFocus(mLayout, mMidShort2Bottom, View.FOCUS_LEFT));
        assertEquals("goind right from mMidShort2Bottom",
                mRightTall,
                mFocusFinder.findNextFocus(mLayout, mMidShort2Bottom, View.FOCUS_RIGHT));
    }

    public void testSearchFromRightButton() {
        assertNull("going up from mRightTall",
                mFocusFinder.findNextFocus(mLayout, mRightTall, View.FOCUS_UP));
        assertNull("going down from mRightTall",
                mFocusFinder.findNextFocus(mLayout, mRightTall, View.FOCUS_DOWN));
        assertEquals("going left from mRightTall",
                mMidShort2Bottom,
                mFocusFinder.findNextFocus(mLayout, mRightTall, View.FOCUS_LEFT));
        assertNull("going right from mRightTall",
                mFocusFinder.findNextFocus(mLayout, mRightTall, View.FOCUS_RIGHT));
    }
}