【发布时间】：2020-01-29 10:30:57
【问题描述】：
我需要创建一个动态选项卡主机，其中涉及动态添加和删除选项卡。我能够动态添加和删除标签。但我需要在每个选项卡中都有删除按钮。还需要区分标签点击和删除标签点击的点击。请参考图片。我用谷歌搜索到每个标签添加按钮，找不到任何帮助。
编辑： 我已将自定义视图添加到 tablayout。但我需要执行，单击关闭按钮以删除选项卡。我已经想出了如何添加和删除选项卡。但我不知道如何获取关闭按钮的点击监听器。
custom_tab.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/tab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="@string/font_fontFamily_medium"
android:gravity="center_horizontal"
android:textColor="@color/colorAccent"
android:textSize="@dimen/tab_label" />
<Button
android:background="@drawable/close"
android:id="@+id/btnClose"
android:layout_width="40dp"
android:layout_height="40dp"
/>
</LinearLayout>
MainActivity 和适配器：
public class MainActivity extends AppCompatActivity {
private Toolbar toolbar;
private TabLayout tabLayout;
private ViewPager viewPager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
viewPager = (ViewPager) findViewById(R.id.viewpager);
setupViewPager(viewPager);
tabLayout = (TabLayout) findViewById(R.id.tabs);
tabLayout.setupWithViewPager(viewPager);
setupTabIcons();
}
/**
* Adding custom view to tab
*/
private void setupTabIcons() {
View rootView1 = (LinearLayout) LayoutInflater.from(this).inflate(R.layout.custom_tab, null);
TextView tabOne = rootView1.findViewById(R.id.tab);
tabOne.setText("ONE");
tabLayout.getTabAt(0).setCustomView(rootView1);
View rootView2 = (LinearLayout) LayoutInflater.from(this).inflate(R.layout.custom_tab, null);
TextView tabTwo = rootView2.findViewById(R.id.tab);
tabTwo.setText("TWO");
tabLayout.getTabAt(1).setCustomView(rootView2);
View rootView3 = (LinearLayout) LayoutInflater.from(this).inflate(R.layout.custom_tab, null);
TextView tabThree = rootView3.findViewById(R.id.tab);
tabThree.setText("THREE");
tabLayout.getTabAt(2).setCustomView(rootView3);
}
/**
* Adding fragments to ViewPager
*
* @param viewPager
*/
private void setupViewPager(ViewPager viewPager) {
ViewPagerAdapter adapter = new ViewPagerAdapter(getSupportFragmentManager());
adapter.addFrag(new OneFragment(), "ONE");
adapter.addFrag(new TwoFragment(), "TWO");
adapter.addFrag(new ThreeFragment(), "THREE");
viewPager.setAdapter(adapter);
}
class ViewPagerAdapter extends FragmentPagerAdapter {
private final List<Fragment> mFragmentList = new ArrayList<>();
private final List<String> mFragmentTitleList = new ArrayList<>();
private String tabTitles[] = new String[]{"Tab1", "Tab2", "Tab3"};
private int[] imageResId = {R.drawable.ic_tab_contacts, R.drawable.ic_tab_call, R.drawable.ic_tab_favourite};
public ViewPagerAdapter(FragmentManager manager) {
super(manager);
}
@Override
public Fragment getItem(int position) {
return mFragmentList.get(position);
}
@Override
public int getCount() {
return mFragmentList.size();
}
public void addFrag(Fragment fragment, String title) {
mFragmentList.add(fragment);
mFragmentTitleList.add(title);
}
@Override
public CharSequence getPageTitle(int position) {
return mFragmentTitleList.get(position);
}
}
}
activity_main.xml：
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:layout_scrollFlags="scroll|enterAlways"
app:popupTheme="@style/ThemeOverlay.AppCompat.Light" />
<android.support.design.widget.TabLayout
android:id="@+id/tabs"
android:layout_width="match_parent"
android:layout_height="@dimen/custom_tab_layout_height"
app:tabMode="fixed"
app:tabGravity="fill"/>
</android.support.design.widget.AppBarLayout>
<android.support.v4.view.ViewPager
android:id="@+id/viewpager"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />
</android.support.design.widget.CoordinatorLayout>
【问题讨论】：
-
尝试创建您的 customTab 视图
-
放上你的相关代码和设计。
-
如果您使用
TabLayout，您可以将CustomView 设置为选项卡。使用yourTab.setCustomView(yourCustomView); -
在设置自定义视图的同时，我们可以为图像和文本设置单独的点击监听器吗？