Size her bir sekmeye bağlı bir ViewPager, TabListener ve Fragments sistemi olan kodumu göstereceğim. Bu ABS uygular, ancak henüz itibariyle hala Gingerbread çöker ve alt (gerçi, ICS üzerinde güzel çalışıyor):
import java.util.ArrayList;
import library.DatabaseHandler;
import org.json.JSONObject;
import com.actionbarsherlock.R;
import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.app.ActionBar.Tab;
import com.actionbarsherlock.app.SherlockFragmentActivity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.MenuItem.OnMenuItemClickListener;
import android.view.View.OnClickListener;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Switch;
import android.widget.TextView;
import android.widget.Toast;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
public class Polling extends SherlockFragmentActivity {
private ViewPager mViewPager;
private TabsAdapter mTabsAdapter;
private final static String TAG = "21st Polling:";
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mViewPager = new ViewPager(this);
mViewPager.setId(R.id.pager);
setContentView(mViewPager);
ActionBar bar = getSupportActionBar();
bar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
bar.setDisplayShowTitleEnabled(false);
bar.setDisplayShowHomeEnabled(false);
mTabsAdapter = new TabsAdapter(this, mViewPager);
mTabsAdapter.addTab(bar.newTab().setText(R.string.login),
LoginFragment.class, null);
mTabsAdapter.addTab(bar.newTab().setText(R.string.economics),
EconFragment.class, null);
mTabsAdapter.addTab(bar.newTab().setText(R.string.elections),
ElectionsFragment.class, null);
mTabsAdapter.addTab(bar.newTab().setText(R.string.politics),
PoliticsFragment.class, null);
mTabsAdapter.addTab(bar.newTab().setText(R.string.science),
ScienceFragment.class, null);
mTabsAdapter.addTab(bar.newTab().setText(R.string.finance),
FinanceFragment.class, null);
mTabsAdapter.addTab(bar.newTab().setText(R.string.religion),
ReligionFragment.class, null);
mTabsAdapter.addTab(bar.newTab().setText(R.string.military),
MilitaryFragment.class, null);
mTabsAdapter.addTab(bar.newTab().setText(R.string.international),
InternationalFragment.class, null);
Log.v(TAG, (String)bar.getTabAt(0).getText());
}
public static class TabsAdapter extends FragmentPagerAdapter
implements ActionBar.TabListener, ViewPager.OnPageChangeListener {
private final Context mContext;
private final ActionBar mActionBar;
private final ViewPager mViewPager;
private final ArrayList<TabInfo> mTabs = new ArrayList<TabInfo>();
static final class TabInfo {
private final Class<?> clss;
private final Bundle args;
TabInfo(Class<?> _class, Bundle _args) {
clss = _class;
args = _args;
}
}
public TabsAdapter(SherlockFragmentActivity activity, ViewPager pager) {
super(activity.getSupportFragmentManager());
mContext = activity;
mActionBar = activity.getSupportActionBar();
mViewPager = pager;
mViewPager.setAdapter(this);
mViewPager.setOnPageChangeListener(this);
}
public void addTab(ActionBar.Tab tab, Class<?> clss, Bundle args) {
TabInfo info = new TabInfo(clss, args);
tab.setTag(info);
tab.setTabListener(this);
mTabs.add(info);
mActionBar.addTab(tab);
notifyDataSetChanged();
}
public int getCount() {
return mTabs.size();
}
public SherlockFragment getItem(int position) {
TabInfo info = mTabs.get(position);
return (SherlockFragment)Fragment.instantiate(mContext, info.clss.getName(), info.args);
}
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
}
public void onPageSelected(int position) {
mActionBar.setSelectedNavigationItem(position);
}
public void onPageScrollStateChanged(int state) {
}
public void onTabSelected(Tab tab, FragmentTransaction ft) {
mViewPager.setCurrentItem(tab.getPosition());
//Log.v(TAG, "clicked");
Object tag = tab.getTag();
for (int i=0; i<mTabs.size(); i++) {
if (mTabs.get(i) == tag) {
mViewPager.setCurrentItem(i);
}
}
}
public void onTabUnselected(Tab tab, FragmentTransaction ft) {}
public void onTabReselected(Tab tab, FragmentTransaction ft) {}
public void onTabReselected(Tab tab, android.app.FragmentTransaction ft) {}
public void onTabUnselected(Tab tab, android.app.FragmentTransaction ft) {}
}
Ve burada bir parçası gibi görünür:
package com.davekelley.polling;
import com.actionbarsherlock.R;
import com.actionbarsherlock.app.SherlockFragment;
import android.support.v4.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
public class MilitaryFragment extends SherlockFragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
return inflater.inflate(R.layout.militaryfragment, container, false);
}
}
Benim son not Benim kodum hala başka bir soruna sahip olur: bireysel fragmanlar kullanıcı geri çekildikten sonra her zaman arayüzlerini yeniden yüklemez (bu, hangi uygulamanın/uygulamanın tamamlandığından bağımsız olarak ekrandan tüm uygulamanın kaldırılmasına neden olur, çünkü backStack'ım yok) . Yani şu an üzerinde çalışıyorum. Sanırım sıraladığım zaman, neden hala Gingerbread uygulamasının düzgün bir şekilde çalışmamasına karar vereceğim. Her iki durumda da, bu kodun size yardımcı olacağını umuyorum. İşte
bazı onClickListeners bir parçasıdır.
import com.actionbarsherlock.R;
import com.actionbarsherlock.app.SherlockFragment;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Context;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TableLayout;
import android.widget.TableRow;
import android.widget.TextView;
import android.widget.Toast;
public class LoginFragment extends SherlockFragment {
Button loginButton;
Button registerButton;
Polling activity;
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.loginfragment, container, false);
return v;
}
public void onResume() {
super.onResume();
Log.d("Econ", "onresume");
loginButton = (Button) getActivity().findViewById(R.id.loginButton);
loginButton.setOnClickListener(loginListener);
registerButton = (Button) getActivity().findViewById(R.id.registerButton);
registerButton.setOnClickListener(registerListener);
}
public OnClickListener loginListener = new OnClickListener() {
@Override
public void onClick(View v) {
if(loginButton.getText().toString() == "Log Out") {
activity.loginReport(2);
loginButton.setText(R.string.login);
//Remove user from dB sqllite when I know how
}
else {
Log.v("LoginF", "onclick");
ProgressDialog progressDialog = new ProgressDialog(getActivity());
progressDialog.setMessage("Logging in...");
LoginTask loginTask = new LoginTask((Polling) getActivity(), progressDialog);
loginTask.execute();
}
}
};
public OnClickListener registerListener = new OnClickListener() {
@Override
public void onClick(View v) {
Log.v("Register", "onclick");
ProgressDialog progressDialog = new ProgressDialog(getActivity());
progressDialog.setMessage("Registering new user...");
RegisterTask registerTask = new RegisterTask((Polling) getActivity(), progressDialog);
registerTask.execute();
}
};
public void onAttach(Activity activity) {
super.onAttach(activity);
this.activity = (Polling) activity;
}
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
}
public void onStart() {
super.onStart();
Log.d("Econ", "onstart");
}
public void onPause() {
super.onPause();Log.d("Econ", "onpause");
}
public void onStop() {
super.onStop();
Log.d("Econ", "onstop");
}
public void onDestroyView() {
super.onDestroyView();
Log.d("Econ", "ondestroyview");
}
public void onDestroy() {
super.onDestroy();
Log.d("Econ", "ondestroy");
}
public void onDetach() {
super.onDetach();
Log.d("Econ", "ondetach");
}
}
Eğer ASyncTask uzatmak sınıfları aslında bkz loginTask nesneleri - onlar benim sunucuya bağlanırken ve kayıt tanıtıcı/günlük
düşündüm Bir parça kod daha eklemek yararlı olacaktır. Bu, LoginFragment gibi parçalarımdan başka bir tanesidir, ancak bir UI'yi biraz daha farklı bir şekilde şişirir. Ben FragmentTabsPager
Aktivite taşıdık ve gelen Fragments ilişkilendirmiş
public class EconFragment extends SherlockFragment {
private TableLayout questionContainer;
int pos = 0;
private String[] titles = {"The first title ", "hallo1","hallo2", "hallo3",
"hallo4", "hallo5","hallo6", "hallo7","hallo8", "hallo9"};
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
Log.v("Econ", "onCreateView");
View v = inflater.inflate(R.layout.econfragment, container, false);
questionContainer = (TableLayout) v.findViewById(R.id.questionContainer);
//bs
int leftMargin=5;
int topMargin=5;
int rightMargin=5;
int bottomMargin=5;
while (pos < 10) {
View question = inflater.inflate(R.layout.question, null);
question.setId(pos);
TextView title = (TextView) question.findViewById(R.id.questionTextView);
title.setText(titles[pos]);
Button charts = (Button) question.findViewById(R.id.chartsButton);
charts.setId(pos);
charts.setOnClickListener(chartsListener);
TableRow tr = (TableRow) question;
TableLayout.LayoutParams trParams = new TableLayout.LayoutParams(
TableLayout.LayoutParams.MATCH_PARENT,
TableLayout.LayoutParams.WRAP_CONTENT);
trParams.setMargins(leftMargin, topMargin, rightMargin, bottomMargin);
tr.setLayoutParams(trParams);
Log.v("econ", "while loop");
questionContainer.addView(tr);
pos++;
}
pos = 0;
return v;
}
https://github.com/JakeWharton/ActionBarSherlock/blob/master/samples/fragments/src/com/actionbarsherlock/sample/fragments/FragmentTabsPager.java –