Hides an existing fragment. - Android User Interface

Android examples for User Interface:Fragment

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Description

Hides an existing fragment.

Demo Code

/*//from   w w w .java2  s . c om
 * Copyright (C) 2016 venshine.cn@gmail.com
 *
 * 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 com.java2s;
import android.app.Activity;
import android.app.Fragment;

import android.app.FragmentTransaction;
import android.os.Bundle;

public class Main {
    /**
     * Hides an existing fragment. This is only relevant for fragments whose views have been added to a container, as
     * this will cause the view to be hidden.
     * 
     * @param activity
     * @param containerViewId
     * @param previousFragment
     * @param newFragment
     * @param bundle
     * @param canBack
     */
    public static void hideFragment(Activity activity, int containerViewId,
            Fragment previousFragment, Fragment newFragment, Bundle bundle,
            boolean canBack) {
        FragmentTransaction mFragmentTransaction = activity
                .getFragmentManager().beginTransaction();
        if (bundle != null) {
            newFragment.setArguments(bundle);
        }

        if (null != previousFragment) {
            mFragmentTransaction.hide(previousFragment);
        }
        mFragmentTransaction.add(containerViewId, newFragment, newFragment
                .getClass().getName());
        if (canBack && previousFragment != null) {
            mFragmentTransaction.addToBackStack(newFragment.getClass()
                    .getName());
        }
        mFragmentTransaction.commit();
    }
}

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