private void updateTabHost(TabHost tabHost) {

        int count = tabHost.getTabWidget().getChildCount();

        for (int i = ; i < count; i++) {

            View view = tabHost.getTabWidget().getChildTabViewAt(i);

            int tabHeightPx = DisplayUtil.dp2px(this,  // tab高度，此处单位为dp，经过DisplayUtil后转为px然后赋值

                    );

            view.getLayoutParams().height = tabHeightPx; // tabWidget.getChildAt(i)

            final TextView tv = (TextView) view

                    .findViewById(android.R.id.title);

            tv.setTextSize();

            tv.setTextColor(this.getResources().getColorStateList(

                    android.R.color.white));

        }

    }

private void changeLayout() {

        // 根据用户的点击位置的下标显示相应的fragment

        tabHost.setCurrentTab(currentlayout);

    }

    private void setFragment() {

        // 通过组件的id初始化tabHost的实例

        tabHost = (TabHost) findViewById(R.id.tabhost);

        tabHost.setup();

        // tabWidget = tabHost.getTabWidget();

        // 往tabHost分别添加fragment

        tabHost.addTab(tabHost

                .newTabSpec("main_social")

                .setIndicator(

                        "动态",

                        this.getResources().getDrawable(

                                R.drawable.checkbox_full_pressed))

                .setContent(R.id.frag_social));

        tabHost.addTab(tabHost

                .newTabSpec("main_geomark")

                .setIndicator(

                        "联系人",

                        this.getResources().getDrawable(

                                R.drawable.checkbox_full_pressed))

                .setContent(R.id.frag_geomark));

        tabHost.addTab(tabHost

                .newTabSpec("main_timeaxis")

                .setIndicator(

                        "动态",

                        this.getResources().getDrawable(

                                R.drawable.checkbox_full_pressed))

                .setContent(R.id.frag_timeaxis));

        tabHost.addTab(tabHost

                .newTabSpec("main_travel")

                .setIndicator(

                        "设置",

                        this.getResources().getDrawable(

                                R.drawable.checkbox_full_pressed))

                .setContent(R.id.frag_travel));

        tabHost.addTab(tabHost

                .newTabSpec("main_activity")

                .setIndicator(

                        "设置",

                        this.getResources().getDrawable(

                                R.drawable.checkbox_full_pressed))

                .setContent(R.id.frag_activity));

        updateTabHost(tabHost);//更新布局样式等

        tabHost.setCurrentTab();// 设置默认显示布局

    }