com.luksprog.playground.fragment.TabbedDialogActivity.java Source code

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Here is the source code for com.luksprog.playground.fragment.TabbedDialogActivity.java

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/*
 * 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.luksprog.playground.fragment;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.util.Log;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.FrameLayout;
import android.widget.TabHost;
import android.widget.TabHost.TabContentFactory;
import android.widget.TextView;

import com.luksprog.playground.R;

/**
 * @see http
 *      ://stackoverflow.com/questions/16806716/tabbed-dialog-with-fragments-
 *      in-widget
 * 
 * @author Luksprog
 * 
 */
public class TabbedDialogActivity extends FragmentActivity
        implements ViewPager.OnPageChangeListener, TabHost.OnTabChangeListener, TabContentFactory {

    private static final int NUMBER_OF_PAGES = 4;
    private ViewPager mViewPager;
    private TabHost mTabHost;
    private PagerContent mPagerContent;

    @Override
    protected void onCreate(Bundle arg0) {
        super.onCreate(arg0);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.frag_tabbeddialogactivity);
        mViewPager = (ViewPager) findViewById(R.id.pager);
        // TabHost initialization
        mTabHost = (TabHost) findViewById(android.R.id.tabhost);
        mTabHost.setup();
        for (int i = 0; i < NUMBER_OF_PAGES; i++) {
            mTabHost.addTab(mTabHost.newTabSpec("tab" + i).setContent(this).setIndicator("Tab no." + i));
        }
        mTabHost.setOnTabChangedListener(this);
        mTabHost.setCurrentTab(0);
        // ViewPager initialization
        mPagerContent = new PagerContent(getSupportFragmentManager());
        mViewPager.setAdapter(mPagerContent);
        mViewPager.setOnPageChangeListener(this);
    }

    static class PagerContent extends FragmentPagerAdapter {

        public PagerContent(FragmentManager fm) {
            super(fm);
        }

        @Override
        public Fragment getItem(int position) {
            return PageFragment.newInstance(position);
        }

        @Override
        public int getCount() {
            return NUMBER_OF_PAGES;
        }

    }

    public static class PageFragment extends Fragment {

        public static final String PAGE_IDENTIFIER = "page_identifier";

        public static Fragment newInstance(int pageNumber) {
            PageFragment page = new PageFragment();
            Bundle args = new Bundle();
            args.putInt(PAGE_IDENTIFIER, pageNumber);
            page.setArguments(args);
            return page;
        }

        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
            FrameLayout content = new FrameLayout(getActivity());
            TextView tv = new TextView(getActivity());
            tv.setText("Tab no." + getArguments().getInt(PAGE_IDENTIFIER));
            content.addView(tv, new FrameLayout.LayoutParams(FrameLayout.LayoutParams.WRAP_CONTENT,
                    FrameLayout.LayoutParams.WRAP_CONTENT, Gravity.CENTER));
            return content;
        }
    }

    @Override
    public void onPageScrollStateChanged(int arg0) {

    }

    @Override
    public void onPageScrolled(int arg0, float arg1, int arg2) {

    }

    @Override
    public void onPageSelected(int position) {
        mTabHost.setCurrentTab(position);
    }

    @Override
    public void onTabChanged(String tabId) {
        Log.e("XXX", tabId);
        mViewPager.setCurrentItem(Integer.parseInt(tabId.substring(tabId.length() - 1)));
    }

    @Override
    public View createTabContent(String tag) {
        View dummyContent = new View(this);
        dummyContent.setMinimumHeight(0);
        return dummyContent;
    }

}