Mixing
How to retreive all data from datasnapshot AndroidStudio?
0
I am trying to get all the data about receta from my firebase real time database (Link to my firebase recetas image)
image
When I get the data from it using the code below, I get all the data but description and origin that is set to null
database = FirebaseDatabase.getInstance();
recetasReference = database.getReference().child("recetas");
recetasReference.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
for(DataSnapshot ds: dataSnapshot.getChildren()){
Receta new_receta = ds.getValue(Receta.class);
recetas.add(new_receta);
}
myAdapter.notifyDataSetChanged();
}
@Override
public void onCancelled(@NonNull DatabaseError databaseError) {
Toast.makeText(getApplicationContext(), "Error al mostrar",
Toast.LENGTH_LONG)
.show();
}
});
I tried debuggin, ds has the descripcion and origen correctly but i do not why they are set to null when creating the receta.
ds
receta
Any Idea?
Sorry if i made any mistake on the post, it is my first one.
Receta class:
public class Receta {
private String name;
private String autor;
private String desc;
private String origin;
private String tiempoPrep;
private String filepath;
public Receta(String user, String nombre, String
descripcion, String origen, String tiempo
, String filepath) {
this.autor = user;
this.name = nombre;
this.desc = descripcion;
this.origin = origen;
this.tiempoPrep = tiempo;
this.filepath = filepath;
}
public Receta(String user, String nombre, String
descripcion, String origen, String tiempo) {
this.autor = user;
this.name = nombre;
this.desc = descripcion;
this.origin = origen;
this.tiempoPrep = tiempo;
}
public Receta(){}
public String getNombre() {
return name;
}
public void setNombre(String nombre) {
this.name = nombre;
}
public String getAutor() {
return autor;
}
public void setAutor(String autor) {
this.autor = autor;
}
public String getDesc() {
return desc;
}
public void setDesc(String desc) {
this.desc = desc;
}
public String getOrigin() {
return origin;
}
public void setOrigin(String origen) {
this.origin = origen;
}
public String getTiempoPrep() {
return tiempoPrep;
}
public void setTiempoPrep(String tiempoPrep) {
this.tiempoPrep = tiempoPrep;
}
public String getFilepath() {
return filepath;
}
public void setFilepath(String filepath) {
this.filepath = filepath;
}
}
android firebase-realtime-database edited Jan 2 at 5:50
Priyanka
17639
asked Jan 2 at 0:19
MacanaMacana
34
add a comment |
0
I am trying to get all the data about receta from my firebase real time database (Link to my firebase recetas image)
image
When I get the data from it using the code below, I get all the data but description and origin that is set to null
database = FirebaseDatabase.getInstance();
recetasReference = database.getReference().child("recetas");
recetasReference.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
for(DataSnapshot ds: dataSnapshot.getChildren()){
Receta new_receta = ds.getValue(Receta.class);
recetas.add(new_receta);
}
myAdapter.notifyDataSetChanged();
}
@Override
public void onCancelled(@NonNull DatabaseError databaseError) {
Toast.makeText(getApplicationContext(), "Error al mostrar",
Toast.LENGTH_LONG)
.show();
}
});
I tried debuggin, ds has the descripcion and origen correctly but i do not why they are set to null when creating the receta.
ds
receta
Any Idea?
Sorry if i made any mistake on the post, it is my first one.
Receta class:
public class Receta {
private String name;
private String autor;
private String desc;
private String origin;
private String tiempoPrep;
private String filepath;
public Receta(String user, String nombre, String
descripcion, String origen, String tiempo
, String filepath) {
this.autor = user;
this.name = nombre;
this.desc = descripcion;
this.origin = origen;
this.tiempoPrep = tiempo;
this.filepath = filepath;
}
public Receta(String user, String nombre, String
descripcion, String origen, String tiempo) {
this.autor = user;
this.name = nombre;
this.desc = descripcion;
this.origin = origen;
this.tiempoPrep = tiempo;
}
public Receta(){}
public String getNombre() {
return name;
}
public void setNombre(String nombre) {
this.name = nombre;
}
public String getAutor() {
return autor;
}
public void setAutor(String autor) {
this.autor = autor;
}
public String getDesc() {
return desc;
}
public void setDesc(String desc) {
this.desc = desc;
}
public String getOrigin() {
return origin;
}
public void setOrigin(String origen) {
this.origin = origen;
}
public String getTiempoPrep() {
return tiempoPrep;
}
public void setTiempoPrep(String tiempoPrep) {
this.tiempoPrep = tiempoPrep;
}
public String getFilepath() {
return filepath;
}
public void setFilepath(String filepath) {
this.filepath = filepath;
}
}
edited Jan 2 at 5:50
Priyanka
17639
asked Jan 2 at 0:19
MacanaMacana
34
add a comment |
0
0
0
I am trying to get all the data about receta from my firebase real time database (Link to my firebase recetas image)
image
When I get the data from it using the code below, I get all the data but description and origin that is set to null
database = FirebaseDatabase.getInstance();
recetasReference = database.getReference().child("recetas");
recetasReference.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
for(DataSnapshot ds: dataSnapshot.getChildren()){
Receta new_receta = ds.getValue(Receta.class);
recetas.add(new_receta);
}
myAdapter.notifyDataSetChanged();
}
@Override
public void onCancelled(@NonNull DatabaseError databaseError) {
Toast.makeText(getApplicationContext(), "Error al mostrar",
Toast.LENGTH_LONG)
.show();
}
});
I tried debuggin, ds has the descripcion and origen correctly but i do not why they are set to null when creating the receta.
ds
receta
Any Idea?
Sorry if i made any mistake on the post, it is my first one.
Receta class:
public class Receta {
private String name;
private String autor;
private String desc;
private String origin;
private String tiempoPrep;
private String filepath;
public Receta(String user, String nombre, String
descripcion, String origen, String tiempo
, String filepath) {
this.autor = user;
this.name = nombre;
this.desc = descripcion;
this.origin = origen;
this.tiempoPrep = tiempo;
this.filepath = filepath;
}
public Receta(String user, String nombre, String
descripcion, String origen, String tiempo) {
this.autor = user;
this.name = nombre;
this.desc = descripcion;
this.origin = origen;
this.tiempoPrep = tiempo;
}
public Receta(){}
public String getNombre() {
return name;
}
public void setNombre(String nombre) {
this.name = nombre;
}
public String getAutor() {
return autor;
}
public void setAutor(String autor) {
this.autor = autor;
}
public String getDesc() {
return desc;
}
public void setDesc(String desc) {
this.desc = desc;
}
public String getOrigin() {
return origin;
}
public void setOrigin(String origen) {
this.origin = origen;
}
public String getTiempoPrep() {
return tiempoPrep;
}
public void setTiempoPrep(String tiempoPrep) {
this.tiempoPrep = tiempoPrep;
}
public String getFilepath() {
return filepath;
}
public void setFilepath(String filepath) {
this.filepath = filepath;
}
}
edited Jan 2 at 5:50
Priyanka
17639
asked Jan 2 at 0:19
MacanaMacana
34
I am trying to get all the data about receta from my firebase real time database (Link to my firebase recetas image)
image
When I get the data from it using the code below, I get all the data but description and origin that is set to null
database = FirebaseDatabase.getInstance();
recetasReference = database.getReference().child("recetas");
recetasReference.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
for(DataSnapshot ds: dataSnapshot.getChildren()){
Receta new_receta = ds.getValue(Receta.class);
recetas.add(new_receta);
}
myAdapter.notifyDataSetChanged();
}
@Override
public void onCancelled(@NonNull DatabaseError databaseError) {
Toast.makeText(getApplicationContext(), "Error al mostrar",
Toast.LENGTH_LONG)
.show();
}
});
I tried debuggin, ds has the descripcion and origen correctly but i do not why they are set to null when creating the receta.
ds
receta
Any Idea?
Sorry if i made any mistake on the post, it is my first one.
Receta class:
public class Receta {
private String name;
private String autor;
private String desc;
private String origin;
private String tiempoPrep;
private String filepath;
public Receta(String user, String nombre, String
descripcion, String origen, String tiempo
, String filepath) {
this.autor = user;
this.name = nombre;
this.desc = descripcion;
this.origin = origen;
this.tiempoPrep = tiempo;
this.filepath = filepath;
}
public Receta(String user, String nombre, String
descripcion, String origen, String tiempo) {
this.autor = user;
this.name = nombre;
this.desc = descripcion;
this.origin = origen;
this.tiempoPrep = tiempo;
}
public Receta(){}
public String getNombre() {
return name;
}
public void setNombre(String nombre) {
this.name = nombre;
}
public String getAutor() {
return autor;
}
public void setAutor(String autor) {
this.autor = autor;
}
public String getDesc() {
return desc;
}
public void setDesc(String desc) {
this.desc = desc;
}
public String getOrigin() {
return origin;
}
public void setOrigin(String origen) {
this.origin = origen;
}
public String getTiempoPrep() {
return tiempoPrep;
}
public void setTiempoPrep(String tiempoPrep) {
this.tiempoPrep = tiempoPrep;
}
public String getFilepath() {
return filepath;
}
public void setFilepath(String filepath) {
this.filepath = filepath;
}
}
edited Jan 2 at 5:50
Priyanka
17639
asked Jan 2 at 0:19
MacanaMacana
34
edited Jan 2 at 5:50
Priyanka
17639
asked Jan 2 at 0:19
MacanaMacana
34
edited Jan 2 at 5:50
Priyanka
17639
edited Jan 2 at 5:50
Priyanka
17639
edited Jan 2 at 5:50
Priyanka
17639
17639
asked Jan 2 at 0:19
MacanaMacana
34
asked Jan 2 at 0:19
MacanaMacana
34
asked Jan 2 at 0:19
MacanaMacana
34
34
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
0
Your model class receta property name(descripcion instead of desc and origen instead of origin) should be identical to the key name in the Firebase database.
Your data class should look like these instead, having different names refering to the same variable is confusing.
public class Receta {
private String name;
private String autor;
private String descripcion;
private String origen;
private String tiempoPrep;
private String filepath;
public Receta(String name, String autor, String descripcion, String origen,
String tiempoPrep, String filepath) {
this.name = name;
this.autor = autor;
this.descripcion = descripcion;
this.origen = origen;
this.tiempoPrep = tiempoPrep;
this.filepath = filepath;
}
public Receta(String name, String autor, String descripcion, String origen,
String tiempoPrep) {
this.name = name;
this.autor = autor;
this.descripcion = descripcion;
this.origen = origen;
this.tiempoPrep = tiempoPrep;
}
public Receta() {
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAutor() {
return autor;
}
public void setAutor(String autor) {
this.autor = autor;
}
public String getDescripcion() {
return descripcion;
}
public void setDescripcion(String descripcion) {
this.descripcion = descripcion;
}
public String getOrigen() {
return origen;
}
public void setOrigen(String origen) {
this.origen = origen;
}
public String getTiempoPrep() {
return tiempoPrep;
}
public void setTiempoPrep(String tiempoPrep) {
this.tiempoPrep = tiempoPrep;
}
public String getFilepath() {
return filepath;
}
public void setFilepath(String filepath) {
this.filepath = filepath;
}
}
answered Jan 2 at 0:42
Dr4ke the b4dassDr4ke the b4dass
166214
The names where the same, descripcion and origen, i changed them to desc and origin to try with different names to the ones un firebase. I'll put the back as they where
– Macana
Jan 2 at 1:04
make sure they are written the same way. please upload your model class Receta
– Dr4ke the b4dass
Jan 2 at 1:06
I have added the Receta class
– Macana
Jan 2 at 1:18
check out the data class. If on windows use shortcutAlt+Insertthen choose generate either constructor or getters, setters. You'll avoid typos and is faster.
– Dr4ke the b4dass
Jan 2 at 1:30
I correct the spelling mistake from origin to origen. Try now.
– Dr4ke the b4dass
Jan 2 at 1:34
|
show 2 more comments
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
0
Your model class receta property name(descripcion instead of desc and origen instead of origin) should be identical to the key name in the Firebase database.
Your data class should look like these instead, having different names refering to the same variable is confusing.
public class Receta {
private String name;
private String autor;
private String descripcion;
private String origen;
private String tiempoPrep;
private String filepath;
public Receta(String name, String autor, String descripcion, String origen,
String tiempoPrep, String filepath) {
this.name = name;
this.autor = autor;
this.descripcion = descripcion;
this.origen = origen;
this.tiempoPrep = tiempoPrep;
this.filepath = filepath;
}
public Receta(String name, String autor, String descripcion, String origen,
String tiempoPrep) {
this.name = name;
this.autor = autor;
this.descripcion = descripcion;
this.origen = origen;
this.tiempoPrep = tiempoPrep;
}
public Receta() {
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAutor() {
return autor;
}
public void setAutor(String autor) {
this.autor = autor;
}
public String getDescripcion() {
return descripcion;
}
public void setDescripcion(String descripcion) {
this.descripcion = descripcion;
}
public String getOrigen() {
return origen;
}
public void setOrigen(String origen) {
this.origen = origen;
}
public String getTiempoPrep() {
return tiempoPrep;
}
public void setTiempoPrep(String tiempoPrep) {
this.tiempoPrep = tiempoPrep;
}
public String getFilepath() {
return filepath;
}
public void setFilepath(String filepath) {
this.filepath = filepath;
}
}
answered Jan 2 at 0:42
Dr4ke the b4dassDr4ke the b4dass
166214
The names where the same, descripcion and origen, i changed them to desc and origin to try with different names to the ones un firebase. I'll put the back as they where
– Macana
Jan 2 at 1:04
make sure they are written the same way. please upload your model class Receta
– Dr4ke the b4dass
Jan 2 at 1:06
I have added the Receta class
– Macana
Jan 2 at 1:18
check out the data class. If on windows use shortcutAlt+Insertthen choose generate either constructor or getters, setters. You'll avoid typos and is faster.
– Dr4ke the b4dass
Jan 2 at 1:30
I correct the spelling mistake from origin to origen. Try now.
– Dr4ke the b4dass
Jan 2 at 1:34
|
show 2 more comments
0
Your model class receta property name(descripcion instead of desc and origen instead of origin) should be identical to the key name in the Firebase database.
Your data class should look like these instead, having different names refering to the same variable is confusing.
public class Receta {
private String name;
private String autor;
private String descripcion;
private String origen;
private String tiempoPrep;
private String filepath;
public Receta(String name, String autor, String descripcion, String origen,
String tiempoPrep, String filepath) {
this.name = name;
this.autor = autor;
this.descripcion = descripcion;
this.origen = origen;
this.tiempoPrep = tiempoPrep;
this.filepath = filepath;
}
public Receta(String name, String autor, String descripcion, String origen,
String tiempoPrep) {
this.name = name;
this.autor = autor;
this.descripcion = descripcion;
this.origen = origen;
this.tiempoPrep = tiempoPrep;
}
public Receta() {
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAutor() {
return autor;
}
public void setAutor(String autor) {
this.autor = autor;
}
public String getDescripcion() {
return descripcion;
}
public void setDescripcion(String descripcion) {
this.descripcion = descripcion;
}
public String getOrigen() {
return origen;
}
public void setOrigen(String origen) {
this.origen = origen;
}
public String getTiempoPrep() {
return tiempoPrep;
}
public void setTiempoPrep(String tiempoPrep) {
this.tiempoPrep = tiempoPrep;
}
public String getFilepath() {
return filepath;
}
public void setFilepath(String filepath) {
this.filepath = filepath;
}
}
answered Jan 2 at 0:42
Dr4ke the b4dassDr4ke the b4dass
166214
The names where the same, descripcion and origen, i changed them to desc and origin to try with different names to the ones un firebase. I'll put the back as they where
– Macana
Jan 2 at 1:04
make sure they are written the same way. please upload your model class Receta
– Dr4ke the b4dass
Jan 2 at 1:06
I have added the Receta class
– Macana
Jan 2 at 1:18
check out the data class. If on windows use shortcutAlt+Insertthen choose generate either constructor or getters, setters. You'll avoid typos and is faster.
– Dr4ke the b4dass
Jan 2 at 1:30
I correct the spelling mistake from origin to origen. Try now.
– Dr4ke the b4dass
Jan 2 at 1:34
|
show 2 more comments
0
0
0
Your model class receta property name(descripcion instead of desc and origen instead of origin) should be identical to the key name in the Firebase database.
Your data class should look like these instead, having different names refering to the same variable is confusing.
public class Receta {
private String name;
private String autor;
private String descripcion;
private String origen;
private String tiempoPrep;
private String filepath;
public Receta(String name, String autor, String descripcion, String origen,
String tiempoPrep, String filepath) {
this.name = name;
this.autor = autor;
this.descripcion = descripcion;
this.origen = origen;
this.tiempoPrep = tiempoPrep;
this.filepath = filepath;
}
public Receta(String name, String autor, String descripcion, String origen,
String tiempoPrep) {
this.name = name;
this.autor = autor;
this.descripcion = descripcion;
this.origen = origen;
this.tiempoPrep = tiempoPrep;
}
public Receta() {
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAutor() {
return autor;
}
public void setAutor(String autor) {
this.autor = autor;
}
public String getDescripcion() {
return descripcion;
}
public void setDescripcion(String descripcion) {
this.descripcion = descripcion;
}
public String getOrigen() {
return origen;
}
public void setOrigen(String origen) {
this.origen = origen;
}
public String getTiempoPrep() {
return tiempoPrep;
}
public void setTiempoPrep(String tiempoPrep) {
this.tiempoPrep = tiempoPrep;
}
public String getFilepath() {
return filepath;
}
public void setFilepath(String filepath) {
this.filepath = filepath;
}
}
answered Jan 2 at 0:42
Dr4ke the b4dassDr4ke the b4dass
166214
Your model class receta property name(descripcion instead of desc and origen instead of origin) should be identical to the key name in the Firebase database.
Your data class should look like these instead, having different names refering to the same variable is confusing.
public class Receta {
private String name;
private String autor;
private String descripcion;
private String origen;
private String tiempoPrep;
private String filepath;
public Receta(String name, String autor, String descripcion, String origen,
String tiempoPrep, String filepath) {
this.name = name;
this.autor = autor;
this.descripcion = descripcion;
this.origen = origen;
this.tiempoPrep = tiempoPrep;
this.filepath = filepath;
}
public Receta(String name, String autor, String descripcion, String origen,
String tiempoPrep) {
this.name = name;
this.autor = autor;
this.descripcion = descripcion;
this.origen = origen;
this.tiempoPrep = tiempoPrep;
}
public Receta() {
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAutor() {
return autor;
}
public void setAutor(String autor) {
this.autor = autor;
}
public String getDescripcion() {
return descripcion;
}
public void setDescripcion(String descripcion) {
this.descripcion = descripcion;
}
public String getOrigen() {
return origen;
}
public void setOrigen(String origen) {
this.origen = origen;
}
public String getTiempoPrep() {
return tiempoPrep;
}
public void setTiempoPrep(String tiempoPrep) {
this.tiempoPrep = tiempoPrep;
}
public String getFilepath() {
return filepath;
}
public void setFilepath(String filepath) {
this.filepath = filepath;
}
}
answered Jan 2 at 0:42
Dr4ke the b4dassDr4ke the b4dass
166214
edited Jan 2 at 1:34
answered Jan 2 at 0:42
Dr4ke the b4dassDr4ke the b4dass
166214
answered Jan 2 at 0:42
Dr4ke the b4dassDr4ke the b4dass
166214
answered Jan 2 at 0:42
Dr4ke the b4dassDr4ke the b4dass
166214
166214
The names where the same, descripcion and origen, i changed them to desc and origin to try with different names to the ones un firebase. I'll put the back as they where
– Macana
Jan 2 at 1:04
make sure they are written the same way. please upload your model class Receta
– Dr4ke the b4dass
Jan 2 at 1:06
I have added the Receta class
– Macana
Jan 2 at 1:18
check out the data class. If on windows use shortcutAlt+Insertthen choose generate either constructor or getters, setters. You'll avoid typos and is faster.
– Dr4ke the b4dass
Jan 2 at 1:30
I correct the spelling mistake from origin to origen. Try now.
– Dr4ke the b4dass
Jan 2 at 1:34
|
show 2 more comments
The names where the same, descripcion and origen, i changed them to desc and origin to try with different names to the ones un firebase. I'll put the back as they where
– Macana
Jan 2 at 1:04
make sure they are written the same way. please upload your model class Receta
– Dr4ke the b4dass
Jan 2 at 1:06
I have added the Receta class
– Macana
Jan 2 at 1:18
check out the data class. If on windows use shortcutAlt+Insertthen choose generate either constructor or getters, setters. You'll avoid typos and is faster.
– Dr4ke the b4dass
Jan 2 at 1:30
I correct the spelling mistake from origin to origen. Try now.
– Dr4ke the b4dass
Jan 2 at 1:34
The names where the same, descripcion and origen, i changed them to desc and origin to try with different names to the ones un firebase. I'll put the back as they where
– Macana
Jan 2 at 1:04
The names where the same, descripcion and origen, i changed them to desc and origin to try with different names to the ones un firebase. I'll put the back as they where
– Macana
Jan 2 at 1:04
make sure they are written the same way. please upload your model class Receta
– Dr4ke the b4dass
Jan 2 at 1:06
make sure they are written the same way. please upload your model class Receta
– Dr4ke the b4dass
Jan 2 at 1:06
I have added the Receta class
– Macana
Jan 2 at 1:18
I have added the Receta class
– Macana
Jan 2 at 1:18
check out the data class. If on windows use shortcut
Alt+Insert then choose generate either constructor or getters, setters. You'll avoid typos and is faster.– Dr4ke the b4dass
Jan 2 at 1:30
check out the data class. If on windows use shortcut
Alt+Insert then choose generate either constructor or getters, setters. You'll avoid typos and is faster.– Dr4ke the b4dass
Jan 2 at 1:30
I correct the spelling mistake from origin to origen. Try now.
– Dr4ke the b4dass
Jan 2 at 1:34
I correct the spelling mistake from origin to origen. Try now.
– Dr4ke the b4dass
Jan 2 at 1:34
|
show 2 more comments
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