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我需要发送一个值，当我点击一个在recyclerview中的行到另一个片段时（我在适配器中的OnBind上瘦了）。然后，我需要关闭包含recyclerview的片段并打开接收器片段。我读了一些我们可以使用bundle的地方，但是我对android编程非常陌生，所以我很困惑。如何从Recyclerview适配器将值从一个片段发送到另一个片段。然后关闭第一个片段并打开新的片段
这是片段包含RecyclerView
public class PasienFragment extends Fragment {
// TODO: Rename parameter arguments, choose names that match
// the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
private static final String ARG_PARAM1 = "param1";
private static final String ARG_PARAM2 = "param2";
// TODO: Rename and change types of parameters
private String mParam1;
private String mParam2;
private OnPasienFragmentInteractionListener mPasienListener;
public PasienFragment() {
// Required empty public constructor
}
int countICU=0;
int countINAP=0;
int countUMUM=0;
int countBPJS=0;
RequestQueue queue;
String jenisAsuransi,jenisKamar;
String id="C0E0607E";
ImageView ivTotal,ivIcu,ivInap,ivBpjs,ivUmum;
TextView tvTOTAL,tvICU,tvINAP,tvBPJS,tvUMUM;
public static final String URL_JUMLAH = "http:";
public static PasienFragment newInstance(String param1, String param2) {
PasienFragment fragment = new PasienFragment();
Bundle args = new Bundle();
args.putString(ARG_PARAM1, param1);
args.putString(ARG_PARAM2, param2);
fragment.setArguments(args);
return fragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments() != null) {
mParam1 = getArguments().getString(ARG_PARAM1);
mParam2 = getArguments().getString(ARG_PARAM2);
}
queue = Volley.newRequestQueue(getActivity());
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
final View view = inflater.inflate(R.layout.fragment_pasien, container, false);
ivTotal = (ImageView) view.findViewById(R.id.ivTotal);
ivIcu = (ImageView) view.findViewById(R.id.ivICU);
ivBpjs = (ImageView) view.findViewById(R.id.ivBPJS);
ivInap = (ImageView) view.findViewById(R.id.ivINAP);
ivUmum = (ImageView) view.findViewById(R.id.ivUMUM);
tvTOTAL = (TextView) view.findViewById(R.id.tvTotal);
tvICU = (TextView) view.findViewById(R.id.tvICU);
tvBPJS = (TextView) view.findViewById(R.id.tvBPJS);
tvINAP = (TextView) view.findViewById(R.id.tvINAP);
tvUMUM = (TextView) view.findViewById(R.id.tvUMUM);
ivTotal.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
mPasienListener.onPasienFragmentInteraction("Daftar Pasien");
}
});
ivIcu.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
mPasienListener.onPasienFragmentInteraction("Daftar Pasien ICU");
}
});
ivBpjs.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
mPasienListener.onPasienFragmentInteraction("Daftar Pasien BPJS");
}
});
ivInap.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
mPasienListener.onPasienFragmentInteraction("Daftar Pasien INAP");
}
});
ivUmum.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
mPasienListener.onPasienFragmentInteraction("Daftar Pasien UMUM");
}
});
String url1 = URL_JUMLAH+id;
JsonObjectRequest req = new JsonObjectRequest(url1, null,
new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
JSONArray users = null;
try {
users = response.getJSONArray("result1");
} catch (JSONException e) {
e.printStackTrace();
}
for (int i = 0; i < users.length(); i++) {
try {
JSONObject obj = users.getJSONObject(i);
jenisAsuransi = (String) obj.get("Jenis_Asuransi");
jenisKamar = (String) obj.get("Jenis_Kamar");
if(jenisAsuransi.equals("BPJS")){
countBPJS++;
}
if(jenisAsuransi.equals("UMUM")){
countUMUM++;
}
if(jenisKamar.equals("INAP")){
countINAP++;
}
if(jenisKamar.equals("ICU")){
countICU++;
}
} catch (JSONException e) {
e.printStackTrace();
}
}
tvTOTAL.setText(String.valueOf(users.length()));
tvBPJS.setText(String.valueOf(countBPJS));
tvUMUM.setText(String.valueOf(countUMUM));
tvINAP.setText(String.valueOf(countINAP));
tvICU.setText(String.valueOf(countICU));
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
//Toast.makeText(Home.this,"Terjadi Kendala Koneksi",Toast.LENGTH_LONG).show();
}
});
queue.add(req);
return view;
}
// TODO: Rename method, update argument and hook method into UI event
public void onButtonPressed(String sentence) {
if (mPasienListener != null) {
mPasienListener.onPasienFragmentInteraction(sentence);
}
}
@Override
public void onAttach(Context context) {
super.onAttach(context);
if (context instanceof OnPasienFragmentInteractionListener) {
mPasienListener = (OnPasienFragmentInteractionListener) context;
} else {
throw new RuntimeException(context.toString()
+ " must implement OnFragmentInteractionListener");
}
}
@Override
public void onDetach() {
super.onDetach();
mPasienListener = null;
}
public interface OnPasienFragmentInteractionListener {
// TODO: Update argument type and name
void onPasienFragmentInteraction(String sentence);
}
}
这是RecyclerView适配器
public class ListPasienAdapter extends RecyclerView.Adapter<ListPasienAdapter.PasienViewHolder> {
private List<Pasien> pasienList;
public int count = 0;
public ListPasienAdapter(List<Pasien> pasienList) {
this.pasienList = pasienList;
}
@Override
public void onBindViewHolder(final PasienViewHolder pasienViewHolder, int i) {
final Pasien pi = pasienList.get(i);
pasienViewHolder.tvTanggal.setText(pi.Tgl_Masuk);
pasienViewHolder.tvNama.setText(pi.Nama_Pasien + "/" + pi.Gender);
pasienViewHolder.tvKamar.setText(pi.No_Kamar);
if (pi.Perawatan.toString().equals("Merah")) {
pasienViewHolder.ivRambu.setImageResource(R.drawable.merah);
} else if (pi.Perawatan.toString().equals("Kuning")) {
pasienViewHolder.ivRambu.setImageResource(R.drawable.kuning);
} else if (pi.Perawatan.toString().equals("Hijau")) {
pasienViewHolder.ivRambu.setImageResource(R.drawable.hijau);
}
pasienViewHolder.ivRambu.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
}
});
}
@Override
public ListPasienAdapter.PasienViewHolder onCreateViewHolder(ViewGroup viewGroup, int viewType) {
View itemView = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.card_view_pasien, viewGroup, false);
return new ListPasienAdapter.PasienViewHolder(itemView);
}
@Override
public int getItemCount() {
return pasienList.size();
}
public static class PasienViewHolder extends RecyclerView.ViewHolder {
protected TextView tvTanggal;
protected TextView tvNama;
protected TextView tvKamar;
protected TextView tvGender;
protected ImageView ivRambu;
protected ImageView ivDown;
protected ImageView btnIngat;
protected ImageView btnTerkirim;
protected TextView tvPeringatan;
protected LinearLayout btnDetail;
public PasienViewHolder(View v) {
super(v);
tvTanggal = (TextView) v.findViewById(R.id.tvTanggal);
tvNama = (TextView) v.findViewById(R.id.tvNama);
tvKamar = (TextView) v.findViewById(R.id.tvKamar);
ivRambu = (ImageView) v.findViewById(R.id.ivRambu);
ivDown = (ImageView) v.findViewById(R.id.ivDown);
//btnIngat = (ImageView) v.findViewById(R.id.btnIngat);
//btnTerkirim = (ImageView) v.findViewById(R.id.btnTerkirim);
btnDetail = (LinearLayout) v.findViewById(R.id.btnDetail);
//tvPeringatan = (TextView) v.findViewById(R.id.tvPeringatan);
}
}
}
这是接收器片段
public class ListAktivitas extends Fragment {
private static final String ARG_PARAM1 = "param1";
private static final String ARG_PARAM2 = "param2";
// TODO: Rename and change types of parameters
private String mParam1;
private String mParam2;
private OnFragmentInteractionListener mListener;
public ListAktivitas() {
// Required empty publtic constructor
}
public static final String URL_LIST_Aktivitas = "http";
public static final String URL_Pasien = "http://";
String id="3";
RequestQueue queue;
List<Aktivitas> resultAktivitas = new ArrayList<>();
List<Pasien> resultPasien = new ArrayList<>();
Aktivitas a = new Aktivitas();
ListAktivitasAdapter laa;
RecyclerView cardListAktivitas;
Integer Urut;
String Nama_Prosedur;
String Id_Prosedur;
String Id_Aktivitas;
String Status;
String Nama_Pasien, No_Kamar, Gender;
Context context;
TextView tvNamaPasien,tvKamar;
public static ListAktivitas newInstance(String param1, String param2) {
ListAktivitas fragment = new ListAktivitas();
Bundle args = new Bundle();
args.putString(ARG_PARAM1, param1);
args.putString(ARG_PARAM2, param2);
fragment.setArguments(args);
return fragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments() != null) {
mParam1 = getArguments().getString(ARG_PARAM1);
mParam2 = getArguments().getString(ARG_PARAM2);
}
queue = Volley.newRequestQueue(getActivity());
context = getActivity();
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View view = inflater.inflate(R.layout.fragment_list_aktivitas, container, false);
cardListAktivitas = (RecyclerView) view.findViewById(R.id.cardListAktivitas);
cardListAktivitas.setHasFixedSize(true);
LinearLayoutManager llm = new LinearLayoutManager(getActivity());
llm.setOrientation(LinearLayoutManager.VERTICAL);
cardListAktivitas.setLayoutManager(llm);
tvNamaPasien = (TextView) view.findViewById(R.id.tvNamaPasien);
tvKamar = (TextView) view.findViewById(R.id.tvKamar);
String url2 = URL_Pasien+id;
JsonObjectRequest req2 = new JsonObjectRequest(url2, null,
new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
JSONArray users = null;
try {
users = response.getJSONArray("result1");
} catch (JSONException e) {
e.printStackTrace();
}
try {
JSONObject obj = users.getJSONObject(0);
Nama_Pasien = (String) obj.get("Nama_Pasien");
No_Kamar = (String) obj.get("No_Kamar");
if(obj.get("Gender").toString().equals("Laki-laki")){
Gender = "L";
}else if (obj.get("Gender").toString().equals("Perempuan")){
Gender = "P";
}
resultPasien.add(new Pasien(Nama_Pasien, No_Kamar,Gender));
} catch (JSONException e) {
e.printStackTrace();
}
tvNamaPasien.setText(Nama_Pasien+"/"+Gender);
tvKamar.setText("kamar:"+No_Kamar);
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
//Toast.makeText(Home.this,"Terjadi Kendala Koneksi",Toast.LENGTH_LONG).show();
}
});
queue.add(req2);
String url1 = URL_LIST_Aktivitas+id;
Toast.makeText(getActivity(), url1, Toast.LENGTH_SHORT).show();
JsonObjectRequest req = new JsonObjectRequest(url1, null,
new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
JSONArray users = null;
try {
users = response.getJSONArray("result1");
} catch (JSONException e) {
e.printStackTrace();
}
Toast.makeText(getActivity(), "yes", Toast.LENGTH_SHORT).show();
Toast.makeText(getActivity(), String.valueOf(users.length()), Toast.LENGTH_SHORT).show();
for (int i = 0; i < users.length(); i++) {
try {
JSONObject obj = users.getJSONObject(i);
Urut = (Integer) obj.get("Urut");
Nama_Prosedur= (String) obj.get("Nama_Prosedur");
Id_Prosedur = (String) obj.get("Id_Prosedur");
Id_Aktivitas = String.valueOf(obj.getInt(Id_Aktivitas));
Status = (String) obj.get("Status");
} catch (JSONException e) {
e.printStackTrace();
}
Toast.makeText(context,Nama_Prosedur, Toast.LENGTH_SHORT).show();
resultAktivitas.add(new Aktivitas(Urut, Nama_Prosedur, Id_Prosedur, Id_Aktivitas, Status));
laa = new ListAktivitasAdapter(resultAktivitas);
cardListAktivitas.setAdapter(laa);
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(getActivity(),"Terjadi Kendala Koneksi",Toast.LENGTH_LONG).show();
}
});
queue.add(req);
return view;
}
// TODO: Rename method, update argument and hook method into UI event
public void onButtonPressed(Uri uri) {
if (mListener != null) {
mListener.onFragmentInteraction(uri);
}
}
/*
@Override
public void onAttach(Context context) {
super.onAttach(context);
if (context instanceof OnFragmentInteractionListener) {
mListener = (OnFragmentInteractionListener) context;
} else {
throw new RuntimeException(context.toString()
+ " must implement OnFragmentInteractionListener");
}
}
@Override
public void onDetach() {
super.onDetach();
mListener = null;
}
*/
public interface OnFragmentInteractionListener {
// TODO: Update argument type and name
void onFragmentInteraction(Uri uri);
}
}
这是包含2片段
public class PasienActivity extends AppCompatActivity
implements NavigationView.OnNavigationItemSelectedListener,PasienFragment.OnPasienFragmentInteractionListener {
PasienFragment pasienFragment;
ListPasienFragment listPasienFragment;
ListAktivitas listAktivitasFragment;
RequestQueue queue;
String Nama_Dokter,Nama_RS;
public static final String URL_LIST = "http:";
String id="vvvv";
View navHeaderView;
TextView tvNavDokter, tvNavRS;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_pasien);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
queue = Volley.newRequestQueue(this);
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.setDrawerListener(toggle);
toggle.syncState();
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
listPasienFragment = new ListPasienFragment();
listPasienFragment.setArguments(getIntent().getExtras());
getSupportFragmentManager().beginTransaction().add(R.id.listPasienContainer, listPasienFragment).commit();
pasienFragment = new PasienFragment();
pasienFragment.setArguments(getIntent().getExtras());
getSupportFragmentManager().beginTransaction().add(R.id.pasienFragmentContainer,pasienFragment).commit();
listAktivitasFragment = new ListAktivitas();
listAktivitasFragment.setArguments(getIntent().getExtras());
getSupportFragmentManager().beginTransaction().add(R.id.listAktivitasContainer, listAktivitasFragment).commit();
View navHeaderView = navigationView.getHeaderView(0);
tvNavDokter = (TextView) navHeaderView.findViewById(R.id.tvNavDokter);
tvNavRS = (TextView) navHeaderView.findViewById(R.id.tvNavRS);
String url1 = URL_LIST+id;
JsonObjectRequest req = new JsonObjectRequest(url1, null,
new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
JSONArray users = null;
try {
users = response.getJSONArray("result1");
} catch (JSONException e) {
e.printStackTrace();
}
try {
JSONObject obj = users.getJSONObject(0);
Nama_Dokter = (String) obj.get("Nama_Dokter");
Nama_RS = (String) obj.get("Rumah_Sakit");
tvNavDokter.setText(Nama_Dokter);
tvNavRS.setText(Nama_RS);
} catch (JSONException e) {
e.printStackTrace();
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
//Toast.makeText(Home.this,"Terjadi Kendala Koneksi",Toast.LENGTH_LONG).show();
}
});
queue.add(req);
}
@Override
public void onBackPressed() {
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
if (drawer.isDrawerOpen(GravityCompat.START)) {
drawer.closeDrawer(GravityCompat.START);
} else {
super.onBackPressed();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.pasien, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
int id = item.getItemId();
/*
if (id == R.id.nav_camera) {
// Handle the camera action
} else if (id == R.id.nav_gallery) {
} else if (id == R.id.nav_slideshow) {
} else if (id == R.id.nav_manage) {
} else if (id == R.id.nav_share) {
} else if (id == R.id.nav_send) {
}
*/
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;
}
@Override
public void onPasienFragmentInteraction(String sentence) {
if(listPasienFragment!=null)
listPasienFragment.updateSentence(sentence);
}
}
[与其它片段通讯]（https://developer.android.com/training/basics/fragments/communicating.html） – matoni