我正在尝试将我的选项卡设置为滚动条。我有 6 个选项卡,但想在 UI 中显示 3 个。如何以此格式设置滚动条 View ?甚至可以这样设置吗?
Tab Bar基于android开发者页面。
Cảm ơn
android:id="@android:id/tabhost"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
android:layout_height="wrap_content" >
<>
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:padding="5dp">
<>
android:id="@android:id/tabs"
android:layout_width="fill_parent"
android:layout_height="wrap_content" />
<>
android:id="@android:id/tabcontent"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:padding="5dp" />
Java文件
package developers.tab;
import android.app.TabActivity;
import android.content.Intent;
import android.content.res.Resources;
import android.os.Bundle;
import android.widget.TabHost;
public class AndroidDevelopersTabActivity extends TabActivity {
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Resources res = getResources(); // Resource object to get Drawables
TabHost tabHost = getTabHost(); // The activity TabHost
TabHost.TabSpec spec; // Resusable TabSpec for each tab
Intent intent; // Reusable Intent for each tab
// Create an Intent to launch an Activity for the tab (to be reused)
intent = new Intent().setClass(this, WorkoutActivity.class);
// Initialize a TabSpec for each tab and add it to the TabHost
spec = tabHost.newTabSpec("workouts").setIndicator("Workout",
res.getDrawable(R.drawable.ic_tab_workout))
.setContent(intent);
tabHost.addTab(spec);
// Do the same for the other tabs
intent = new Intent().setClass(this, ExcerciseActivity.class);
spec = tabHost.newTabSpec("excercises").setIndicator("Excercises",
res.getDrawable(R.drawable.ic_tab_albums))
.setContent(intent);
tabHost.addTab(spec);
intent = new Intent().setClass(this, ProgramsActivity.class);
spec = tabHost.newTabSpec("programs").setIndicator("Programs",
res.getDrawable(R.drawable.ic_tab_songs))
.setContent(intent);
tabHost.addTab(spec);
intent = new Intent().setClass(this, LogActivity.class);
spec = tabHost.newTabSpec("mealplans").setIndicator("Meal Plans",
res.getDrawable(R.drawable.ic_tab_songs))
.setContent(intent);
tabHost.addTab(spec);
intent = new Intent().setClass(this, BodyMActivity.class);
spec = tabHost.newTabSpec("bodymeasurements").setIndicator("Body Measurements",
res.getDrawable(R.drawable.ic_tab_songs))
.setContent(intent);
tabHost.addTab(spec);
intent = new Intent().setClass(this, MealPlanActivity.class);
spec = tabHost.newTabSpec("mealplan").setIndicator("Meal Plan",
res.getDrawable(R.drawable.ic_tab_songs))
.setContent(intent);
tabHost.addTab(spec);
tabHost.setCurrentTab(2);
}
}
为什么不能让不需要的标签“消失”?
当从一侧滚动到另一侧时,您可以使侧标签消失或可见。
vượt qua view.setVisibility=GONE;
hoặc view.setVisibility=VISIBLE;
如果您执行 viewA GONE,它将没有位置。所有其他 View 的行为就好像 viewA 不存在一样。听滚动,当有显示右侧选项卡的地方时,显示它们并隐藏左侧选项卡。反之亦然。
Tôi là một lập trình viên xuất sắc, rất giỏi!