TabUtil.java

/*
 * The contents of this file are subject to the OpenMRS Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://license.openmrs.org
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * License for the specific language governing rights and limitations
 * under the License.
 *
 * Copyright (C) OpenMRS, LLC.  All Rights Reserved.
 */

package org.openmrs.mobile.utilities;

import android.util.DisplayMetrics;
import android.view.WindowManager;

import org.openmrs.mobile.application.OpenMRS;
import org.openmrs.mobile.application.OpenMRSLogger;

import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

public final class TabUtil {
    public static final int MIN_SCREEN_WIDTH_FOR_FINDPATIENTSACTIVITY = 480;
    public static final int MIN_SCREEN_WIDTH_FOR_PATIENTDASHBOARDACTIVITY = 960;
    private static OpenMRSLogger mLogger = OpenMRS.getInstance().getOpenMRSLogger();

    private TabUtil() {
    }

    public static void setHasEmbeddedTabs(Object inActionBar, WindowManager windowManager, int minScreenWidth) {

        DisplayMetrics displaymetrics = new DisplayMetrics();
        windowManager.getDefaultDisplay().getMetrics(displaymetrics);
        int scaledScreenWidth = (int) (displaymetrics.widthPixels / displaymetrics.density);
        boolean inHasEmbeddedTabs = scaledScreenWidth >= minScreenWidth;

        // get the ActionBar class
        Class<?> actionBarClass = inActionBar.getClass();

        // if it is a Jelly Bean implementation (ActionBarImplJB), get the super class (ActionBarImplICS)
        if (OpenMRS.getInstance().isRunningJellyBeanVersionOrHigher()) {
            if (OpenMRS.getInstance().isRunningKitKatVersionOrHigher()) {
                actionBarClass = actionBarClass.getSuperclass().getSuperclass();
            } else {
                actionBarClass = actionBarClass.getSuperclass();
            }
        }

        Object inActionBar2 = null;
        try {
            final Field actionBarField = actionBarClass.getDeclaredField("mActionBar");
            actionBarField.setAccessible(true);
            inActionBar2 = actionBarField.get(inActionBar);
            actionBarClass = inActionBar2.getClass();
        } catch (IllegalAccessException e) {
            mLogger.d(e.toString());
        } catch (IllegalArgumentException e) {
            mLogger.d(e.toString());
        } catch (NoSuchFieldException e) {
            inActionBar2 = inActionBar;
            mLogger.d(e.toString());
        }

        try {
            final Method method = actionBarClass.getDeclaredMethod("setHasEmbeddedTabs", new Class[]{Boolean.TYPE});
            method.setAccessible(true);
            method.invoke(inActionBar2, new Object[]{inHasEmbeddedTabs});
        } catch (NoSuchMethodException e) {
            mLogger.d(e.toString());
        } catch (InvocationTargetException e) {
            mLogger.d(e.toString());
        } catch (IllegalAccessException e) {
            mLogger.d(e.toString());
        } catch (IllegalArgumentException e) {
            mLogger.d(e.toString());
        }
    }
}