我有一個TabLayout和ViewPager來容納和瀏覽我的片段(其中3個),但工作正常,但我很困惑我如何與每個片段交互,例如按鈕點擊或編輯文本。這是我的主要活動xml。關於片段及其活動的混淆
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto">
<android.support.design.widget.TabLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:id="@+id/tabLayout"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:background="@color/colorPrimary"
app:tabMode="fixed"
app:tabGravity="fill" />
<android.support.v4.view.ViewPager
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/viewPager"
android:layout_centerHorizontal="true"
android:layout_below="@+id/tabLayout" />
</RelativeLayout>
這是它的活動。
public class ActivityMain extends AppCompatActivity {
private String tabTitles[] = new String[] { "contacts", "home", "search" };
TabLayout tabLayout;
ViewPager viewPager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main_activity);
viewPager = (ViewPager) findViewById(R.id.viewPager);
viewPager.setAdapter(new CustomAdapater(getSupportFragmentManager(),getApplicationContext()));
tabLayout = (TabLayout) findViewById(R.id.tabLayout);
tabLayout.setupWithViewPager(viewPager);
tabLayout.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
@Override
public void onTabSelected(TabLayout.Tab tab) {
viewPager.setCurrentItem(tab.getPosition());
}
@Override
public void onTabUnselected(TabLayout.Tab tab) {
viewPager.setCurrentItem(tab.getPosition());
}
@Override
public void onTabReselected(TabLayout.Tab tab) {
viewPager.setCurrentItem(tab.getPosition());
}
});
}
private class CustomAdapater extends FragmentPagerAdapter {
private String fragments [] = {"contacts", "home", "search"};
public CustomAdapater(FragmentManager supportFragmentManager, Context applicationContext) {
super(supportFragmentManager);
}
@Override
public Fragment getItem(int position) {
switch (position){
case 0:
return new FragmentContacts();
case 1:
return new FragmentMain();
case 2:
return new FragmentSearch();
default:
return null;
}
}
@Override
public int getCount() {
return fragments.length;
}
@Override
public CharSequence getPageTitle(int position) {
// Generate title based on item position
return tabTitles[position];
}
}
}
這裏是一個片段活動。
public class FragmentSearch extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState){
return inflater.inflate(R.layout.fragment_search,container,false);
}
}
現在說我R.layout.fragment_search我只是例子着想的按鈕,我該如何設置它的onclicklistener?它是在FragmentSearch還是ActivityMain中?我已經四處搜尋,但我只是越來越困惑。
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment1, container, false);
myButton = (Button) rootView.findViewById(R.id.buttonId);
myButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// Perform action on click
}
});
return rootView;
}
一切都是關於onClickListener
一樣的,因爲你可以看到: