8
私は2つの断片で活動しています。私はPageAdapterを使って2つのビューをスワイプすることに決めましたが、アンドロイドデザインのベストプラクティスに近づくために、私はアクションバーのタブ（固定のもの）を使うことに決めました。私はActionBarSherlockとhereのコードを使ってタブを実装しています。 1ページ目のフラグメント（MatchRugbyButtonFragment）は自分自身のイメージを強調します。私がそれに触れ、何かを移動したり変更したりすると、上のイメージが表示されます。作業断片。 2）2番目のフラグメントに行くと、最初の変数はすべての変数を失います（タイマーリセット、カウンタリセット、ecc）。 片方がSherlockFragmentであり、もう片方がSherlockListFragmentで、その断片をSherlockListFragmentにキャストできないエラーが発生したため、tablistenerに作成する必要がありました。ここ は活動である：ここではTabListener、ActionBarSherlockのフラグメントとListFragment、PageAdapterの混合？混乱
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Vector;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.app.ListFragment;
import android.support.v4.view.ViewPager;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Toast;
import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.app.ActionBar.Tab;
import com.actionbarsherlock.app.SherlockFragment;
import com.actionbarsherlock.app.SherlockFragmentActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuInflater;
import com.actionbarsherlock.view.MenuItem;
public class MatchRugbyFragments extends SherlockFragmentActivity implements View.OnClickListener, View.OnLongClickListener{
public static ArrayList<String> commentary;
public static ArrayAdapter<String> adapter;
// list contains fragments to instantiate in the viewpager
static List<Fragment> fragments = new Vector<Fragment>();
// page adapter between fragment list and view pager
private MyPagerAdapter mPagerAdapter;
// view pager
private ViewPager mPager;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.fragments_rugby);
FragmentManager fragmentManager = getSupportFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
MatchRugbyButtonFragment buttonFrag = new MatchRugbyButtonFragment();
MatchRugbySummaryFragment listFrag = new MatchRugbySummaryFragment();
fragmentTransaction.add(R.id.pager, buttonFrag);
fragmentTransaction.add(R.id.pager, listFrag);
fragmentTransaction.commit();
// creating fragments and adding to list
fragments.add(buttonFrag);
fragments.add(listFrag);
// creating adapter and linking to view pager
this.mPagerAdapter = new MyPagerAdapter(super.getSupportFragmentManager(),fragments);
mPager = (ViewPager) super.findViewById(R.id.pager);
mPager.setAdapter(this.mPagerAdapter);
String[] array = {""};
commentary = new ArrayList<String>();
commentary.addAll(Arrays.asList(array));
adapter = new ArrayAdapter<String>(this,
R.layout.list_item_commentary, commentary);
final ActionBar bar = getSupportActionBar();
bar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
bar.setDisplayOptions(0, ActionBar.DISPLAY_SHOW_TITLE);
bar.setHomeButtonEnabled(true);
bar.addTab(bar.newTab()
.setText("Comandi")
.setTabListener(new TabListener<MatchRugbyButtonFragment>(
this, "comandi", MatchRugbyButtonFragment.class)));
bar.addTab(bar.newTab()
.setText("Riassunto")
.setTabListener(new TabListenerList<MatchRugbySummaryFragment>(
this, "riassunto", MatchRugbySummaryFragment.class)));
if (savedInstanceState != null) {
bar.setSelectedNavigationItem(savedInstanceState.getInt("tab", 0));
}
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putInt("tab", getActionBar().getSelectedNavigationIndex());
}
//Comandi per il click prolungato
public boolean onLongClick(View view) {
return false;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getSupportMenuInflater();
inflater.inflate(R.menu.rugby_match_menu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
// app icon in action bar clicked; go home
Intent intent = new Intent(this, SportScoutActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
return true;
default:
return super.onOptionsItemSelected(item);
}
}
public static void addCommentaryRow(String s){
adapter.add(s);
MatchRugbySummaryFragment f2 = (MatchRugbySummaryFragment) fragments.get(1);
f2.setListAdapter(adapter);
}
public static String commentaryToString(){
String sAdapter= adapter.toString();
return sAdapter;
}
public void onClick(View arg0) {
}
/**
* @return the commentary
*/
public ArrayList<String> getCommentary() {
return commentary;
}
/**
* @param commentary the commentary to set
*/
public void setCommentary(ArrayList<String> commentary) {
MatchRugbyFragments.commentary = commentary;
}
/**
* @return the adapter
*/
public ArrayAdapter<String> getAdapter() {
return adapter;
}
/**
* @param adapter the adapter to set
*/
public void setAdapter(ArrayAdapter<String> adapter) {
MatchRugbyFragments.adapter = adapter;
}
// page 1 fragment listener implementation
public void onPage1(String s) {
// page 2 fragment update
}
public static class TabListener<T> implements ActionBar.TabListener {
private final SherlockFragmentActivity mActivity;
private final String mTag;
private final Class<T> mClass;
private final Bundle mArgs;
private android.support.v4.app.Fragment mFragment;
public TabListener(SherlockFragmentActivity activity, String tag, Class<T> clz) {
this(activity, tag, clz, null);
}
public TabListener(SherlockFragmentActivity activity, String tag, Class<T> clz, Bundle args) {
mActivity = activity;
mTag = tag;
mClass = clz;
mArgs = args;
// Check to see if we already have a fragment for this tab, probably
// from a previously saved state. If so, deactivate it, because our
// initial state is that a tab isn't shown.
mFragment = mActivity.getSupportFragmentManager().findFragmentByTag(mTag);
if (mFragment != null && !mFragment.isDetached()) {
FragmentTransaction ft = mActivity.getSupportFragmentManager().beginTransaction();
ft.detach(mFragment);
ft.commit();
}
}
public void onTabSelected(Tab tab, FragmentTransaction ft) {
if (mFragment == null) {
mFragment = (SherlockFragment) Fragment.instantiate(mActivity, mClass.getName(), mArgs);
ft.add(android.R.id.content, mFragment, mTag);
} else {
ft.attach(mFragment);
}
}
public void onTabUnselected(Tab tab, FragmentTransaction ft) {
if (mFragment != null) {
ft.detach(mFragment);
}
}
public void onTabReselected(Tab tab, FragmentTransaction ft) {
Toast.makeText(mActivity, "Reselected!", Toast.LENGTH_SHORT).show();
}
}
public static class TabListenerList<T> implements ActionBar.TabListener {
private final SherlockFragmentActivity mActivity;
private final String mTag;
private final Class<T> mClass;
private final Bundle mArgs;
private android.support.v4.app.ListFragment mFragment;
public TabListenerList(SherlockFragmentActivity activity, String tag, Class<T> clz) {
this(activity, tag, clz, null);
}
public TabListenerList(SherlockFragmentActivity activity, String tag, Class<T> clz, Bundle args) {
mActivity = activity;
mTag = tag;
mClass = clz;
mArgs = args;
// Check to see if we already have a fragment for this tab, probably
// from a previously saved state. If so, deactivate it, because our
// initial state is that a tab isn't shown.
mFragment = (ListFragment) mActivity.getSupportFragmentManager().findFragmentByTag(mTag);
if (mFragment != null && !mFragment.isDetached()) {
FragmentTransaction ft = mActivity.getSupportFragmentManager().beginTransaction();
ft.detach(mFragment);
ft.commit();
}
}
public void onTabSelected(Tab tab, FragmentTransaction ft) {
if (mFragment == null) {
mFragment = (ListFragment) Fragment.instantiate(mActivity, mClass.getName(), mArgs);
ft.add(android.R.id.content, mFragment, mTag);
} else {
ft.attach(mFragment);
}
}
public void onTabUnselected(Tab tab, FragmentTransaction ft) {
if (mFragment != null) {
ft.detach(mFragment);
}
}
public void onTabReselected(Tab tab, FragmentTransaction ft) {
Toast.makeText(mActivity, "Reselected!", Toast.LENGTH_SHORT).show();
}
}
}
はpageadapterクラスです：
package com.gmail.david.corsalini.sportscout;
import java.util.List;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
public class MyPagerAdapter extends FragmentPagerAdapter {
// fragments to instantiate in the viewpager
private List<Fragment> fragments;
// constructor
public MyPagerAdapter(FragmentManager fm,List<Fragment> fragments) {
super(fm);
this.fragments = fragments;
}
// return access to fragment from position, required override
@Override
public Fragment getItem(int position) {
return this.fragments.get(position);
}
// number of fragments in list, required override
@Override
public int getCount() {
return this.fragments.size();
}
}
解決策を以下の回答として投稿して、未回答のリストからこれを取り除くことができます。ありがとう。 –