FragmentActivity から Fragment にデータを転送する方法がわかりません。
MainScreen.class
public class MainScreen extends FragmentActivity {
CollectionPagerAdapter mCollectionPagerAdapter;
ViewPager mViewPager;
public static String currentCityId;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.tabs_collection);
mCollectionPagerAdapter = new CollectionPagerAdapter(getSupportFragmentManager());
final ActionBar actionBar = getActionBar();
actionBar.setDisplayHomeAsUpEnabled(false);
actionBar.setTitle(getString(R.string.app_name));
actionBar.setIcon(R.drawable.device_access_brightness_high);
mViewPager = (ViewPager) findViewById(R.id.pager);
mViewPager.setAdapter(mCollectionPagerAdapter);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.mainmenu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.action_refresh:
Log.w("Refresh", "refresh");
break;
case R.id.action_options:
break;
case R.id.submenu_about:
break;
case R.id.submenu_help:
break;
case R.id.submenu_buy:
break;
case R.id.submenu_settings:
break;
case R.id.submenu_share:
break;
default:
break;
}
return true;
}
public class CollectionPagerAdapter extends FragmentStatePagerAdapter {
FragmentManager fm;
public CollectionPagerAdapter(FragmentManager fm) {
super(fm);
this.fm = fm;
}
@Override
public Fragment getItem(int position) {
switch (position) {
case 0:
return new FragmentDay();
case 1:
return new FragmentHour();
case 2:
return new FragmentDaily();
default:
return new FragmentDay();
}
}
@Override
public int getCount() {
return 3;
}
@Override
public CharSequence getPageTitle(int position) {
switch (position) {
case 0:
return getString(R.string.tab_day);
case 1:
return getString(R.string.tab_hour);
case 2:
return getString(R.string.tab_daily);
default:
return getString(R.string.tab_day);
}
}
}
FragmentDay.class
public class FragmentDay extends Fragment {
TextView currentTemp;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.hour_screen, container, false);
Bundle args = getArguments();
currentTemp = (TextView)rootView.findViewById(R.id.day_current_temp);
return rootView;
}
}
main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:ads="http://schemas.android.com/apk/lib/com.google.ads"
android:layout_height="match_parent"
android:layout_width="match_parent"
android:background="@drawable/bk_new">
<android.support.v4.view.ViewPager
android:id="@+id/pager"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.v4.view.PagerTitleStrip
android:id="@+id/pager_title_strip"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="top"
android:background="#33b5e5"
android:textColor="#fff"
android:paddingTop="4dp"
android:paddingBottom="4dp"/>
</android.support.v4.view.ViewPager>
および fragment.xml:
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/dayScreen"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/bk_new">
<TextView
android:id="@+id/day_current_temp"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:layout_centerHorizontal="true"
android:text="22 C"
android:textColor="#FFFFFF"
android:textSize="38dp"
android:layout_marginTop="270dp"/>
これらの記事 ( ViewPager Activity to notify a Fragment of a Fragment of specific event , Updating Fragments from Activity in a ViewPager , ViewPager - Update fragment from activity ) を読んでも、何をすべきかわからない! 私は助けてくれてとても感謝しています!