Android Open Source - android-mvc-framework Tab Host Builder

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License

The source code is released under:

Apache License

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Java Source Code

package com.android_mvc.framework.ui.tab;
// ww  w.j a v a2s  .c  om
import java.util.ArrayList;

import com.android_mvc.framework.common.FWUtil;
import com.android_mvc.framework.controller.routing.TabContentMapping;

import android.app.Activity;
import android.app.TabActivity;
import android.content.Intent;
import android.widget.TabHost;
import android.widget.TabHost.TabSpec;

/**
 * XML??????????????????????????????????????????????????????
 * @author id:language_and_engineering
 *
 */
public class TabHostBuilder
{
    // NOTE: ???????????Activity?????????????

    private TabActivity activity;
    private TabHost tabhost;

    private TabContentMapping map;
    private ArrayList<TabDescription> descriptions = new ArrayList<TabDescription>();


    /**
     * ?????
     */
    public TabHostBuilder(Activity context)
    {
        this.activity = (TabActivity)context;
        this.tabhost = activity.getTabHost();
    }


    /**
     * ????????????????????????????????????????????????????????????????
     */
    public TabHostBuilder setChildActivities(TabContentMapping map)
    {
        this.map = map;
        return this;
    }


    /**
     * ????????????????????
     * ?????????????????????????
     */
    public TabHostBuilder add(TabDescription... descs)
    {
        for( int i = 0; i < descs.length; i ++ )
        {
            this.descriptions.add(descs[i]);
        }
        return this;
    }


    /**
     * ??????????????????????????????????????????????????
     */
    public void display()
    {
        // ????Host?????
        for( int i = 0; i < descriptions.size(); i ++ )
        {
            registerOneTabSpec( descriptions.get(i) );
        }
    }


    /**
     * ??????????????????????????????????????????????????????
     */
    private void registerOneTabSpec(TabDescription desc)
    {
        // ?????????
        String tabTag = desc.tabTag;
        String displayText = desc.displayText;
        int icon_resource_id = desc.icon_resource_id;

        // 1????????????????
        Class<? extends Activity> target_activity_class = map.getByTag(tabTag);
        if( target_activity_class == null )
        {
            FWUtil.e(
                "???????????????????????????????????????"
                    + tabTag
                    + "???????????Activity??????????????????????????????????"
            );
            return;
        }

        // spec?????????????
        TabSpec tabspec = tabhost
            .newTabSpec( tabTag )
            .setContent(
                new Intent(activity, target_activity_class)
                    .setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
            )
        ;

        // ???????????????????????
        if( icon_resource_id != 0 )
        {
            tabspec.setIndicator(displayText, activity.getResources().getDrawable( icon_resource_id ));
        }
        else
        {
            tabspec.setIndicator(displayText);
        }

        // ???????????????
        tabhost.addTab( tabspec );
    }

}

Java Source Code List