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Android開発で新しく、メインアクティビティのデータをリストビューで渡して特定の製品を選択し、フラグメンテーションtablayoutで新しいアクティビティに移動する方法がわかりません...私は...メインアクティビティリストビューからフラグメントを使用した詳細アクティビティにデータを送信する
MainActivity.java インポートパッケージおかげで...私は主な活動からのフラグメントtablayout内のデータを得ることができる方法を知りたい
public class HomeActivity extends AppCompatActivity {
String s_firstname, s_lastname, s_password, s_email, Err;
TextView fname,lname,email,password,err,sid;
private DrawerLayout drawerLayout;
private Toolbar toolbar;
private ListView lv;
private List<String> classList;
private FloatingActionButton fab;
Context ctx=this;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_home);
toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
initNavigationDrawer();
lv = (ListView) findViewById(R.id.listView);
SharedPreferences ui = this.getSharedPreferences("UserInfo", Context.MODE_PRIVATE);
String s_id = ui.getString("s_id","s_id");
new SignupActivity(this).execute(s_id);
lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
String c_name = (String) lv.getItemAtPosition(position);
Intent intent = new Intent(HomeActivity.this,ClassDetailsActivity.class);
intent.putExtra("c_name", c_name);
startActivity(intent);
}
});
fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent = new Intent(HomeActivity.this,JoinclassActivity.class);
startActivity(intent);
}
});
}
}
DetailsProduct.java
public class ClassDetailsActivity extends AppCompatActivity {
private Toolbar toolbar;
private TabLayout tabLayout;
private ViewPager viewPager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_class_details);
String name = getIntent().getExtras().getString("c_name");
viewPager = (ViewPager) findViewById(R.id.viewpager);
setupViewPager(viewPager);
tabLayout = (TabLayout) findViewById(R.id.tabs);
tabLayout.setupWithViewPager(viewPager);
}
private void setupViewPager(ViewPager viewPager) {
ViewPagerAdapter adapter = new ViewPagerAdapter(getSupportFragmentManager());
adapter.addFragment(new EventFragment(), "Event");
viewPager.setAdapter(adapter);
}
class ViewPagerAdapter extends FragmentPagerAdapter {
private final List<Fragment> mFragmentList = new ArrayList<>();
private final List<String> mFragmentTitleList = new ArrayList<>();
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 addFragment(Fragment fragment, String title) {
mFragmentList.add(fragment);
mFragmentTitleList.add(title);
}
@Override
public CharSequence getPageTitle(int position) {
return mFragmentTitleList.get(position);
}
}
}
OneFragement.java
public class EventFragment extends Fragment {
TextView tv;
public EventFragment() {
// Required empty public constructor
}
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.fragment_event, container, false);
}
}