在特定选项卡中启动 Android 应用程序
问题是:我有一个带有 4 个选项卡的 TabHost
(请参阅下面的代码),并且在 MainMenuActivity
类中有一个 Button
。 Button
使用 OnClickListener
设置,如果单击它,我希望它转到第二个选项卡。我尝试过使用 setCurrentTab(1)
但这只是搞乱了项目。我能做些什么?
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
setTabs() ;
}
private void setTabs()
{
addTab("Home", R.drawable.tab_home, MainMenuActivity.class);
addTab("Calculate", R.drawable.tab_search, SpinnerClass.class);
addTab("Search", R.drawable.tab_home, ScrollView1.class);
addTab("Premium", R.drawable.tab_search, ScrollView2.class);
}
private void addTab(String labelId, int drawableId, Class<?> c)
{
TabHost tabHost = getTabHost();
Intent intent = new Intent(this, c);
TabHost.TabSpec spec = tabHost.newTabSpec("tab" + labelId);
View tabIndicator = LayoutInflater.from(this).inflate(R.layout.tab_indicator, getTabWidget(), false);
TextView title = (TextView) tabIndicator.findViewById(R.id.title);
title.setText(labelId);
ImageView icon = (ImageView) tabIndicator.findViewById(R.id.icon);
icon.setImageResource(drawableId);
spec.setIndicator(tabIndicator);
spec.setContent(intent);
tabHost.addTab(spec);
}
The question is: I have a TabHost
with 4 tabs (see code below) and I got a Button
in MainMenuActivity
class. The Button
is set up with a OnClickListener
and if it is clicked I want it to go to the second tab. I have tried with setCurrentTab(1)
but that just messed the project up. What can I do?
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
setTabs() ;
}
private void setTabs()
{
addTab("Home", R.drawable.tab_home, MainMenuActivity.class);
addTab("Calculate", R.drawable.tab_search, SpinnerClass.class);
addTab("Search", R.drawable.tab_home, ScrollView1.class);
addTab("Premium", R.drawable.tab_search, ScrollView2.class);
}
private void addTab(String labelId, int drawableId, Class<?> c)
{
TabHost tabHost = getTabHost();
Intent intent = new Intent(this, c);
TabHost.TabSpec spec = tabHost.newTabSpec("tab" + labelId);
View tabIndicator = LayoutInflater.from(this).inflate(R.layout.tab_indicator, getTabWidget(), false);
TextView title = (TextView) tabIndicator.findViewById(R.id.title);
title.setText(labelId);
ImageView icon = (ImageView) tabIndicator.findViewById(R.id.icon);
icon.setImageResource(drawableId);
spec.setIndicator(tabIndicator);
spec.setContent(intent);
tabHost.addTab(spec);
}
如果你对这篇内容有疑问,欢迎到本站社区发帖提问 参与讨论,获取更多帮助,或者扫码二维码加入 Web 技术交流群。

绑定邮箱获取回复消息
由于您还没有绑定你的真实邮箱,如果其他用户或者作者回复了您的评论,将不能在第一时间通知您!
发布评论
评论(1)
tabHost.setCurrentTab(index)
是正确的方法。使用时出现什么问题?“setCurrentTab(int) 打开默认显示的选项卡,由选项卡的索引位置指定。”
tabHost.setCurrentTab(index)
is the right way to go. What's the problem when you use it?"setCurrentTab(int) opens the tab to be displayed by default, specified by the index position of the tab."