using arraylist to populate the existing data in sqlite into spinner
-2
Hi guys i have trouble to bind the existing data from sqlite to spinner. Do i have to apply arraylist ? If so how do i do it? Please help me i'm still new and this is for my project.
this is how the data taken from database :
public Cursor alldata()
{
ArrayList<String> values = new ArrayList<String>();
SQLiteDatabase db = this.getReadableDatabase();
Cursor cursor = db.rawQuery("Select * from shop", null);
return cursor;
}
this is the coding that supposedly to receive the data and show it on spinner but i have no idea to do it :
SpListofShop = (Spinner) findViewById(R.id.SpListofShop);
Cursor cursor = db.alldata();
if(cursor.getCount()==0)
{
Toast.makeText(getApplicationContext(), "NO DATA", Toast.LENGTH_SHORT).show();
}
else
{
while(cursor.moveToNext())
{
}
}
i really hope any of you can help me i'm too desperate
Coding to call the public arraylist function
this is the coding to call the public arraylist in databasehelper.java :
Spinner SpListofShop = findViewById(R.id.SpListofShop);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(getApplicationContext(), android.R.layout.simple_spinner_dropdown_item, db.alldata());
adapter.setDropDownViewResource( android.R.layout.simple_spinner_dropdown_item);
SpListofShop.setAdapter(adapter);
android sqlite arraylist android-sqlite asked Nov 24 '18 at 8:38
j-h13j-h13
13
add a comment |
-2
Hi guys i have trouble to bind the existing data from sqlite to spinner. Do i have to apply arraylist ? If so how do i do it? Please help me i'm still new and this is for my project.
this is how the data taken from database :
public Cursor alldata()
{
ArrayList<String> values = new ArrayList<String>();
SQLiteDatabase db = this.getReadableDatabase();
Cursor cursor = db.rawQuery("Select * from shop", null);
return cursor;
}
this is the coding that supposedly to receive the data and show it on spinner but i have no idea to do it :
SpListofShop = (Spinner) findViewById(R.id.SpListofShop);
Cursor cursor = db.alldata();
if(cursor.getCount()==0)
{
Toast.makeText(getApplicationContext(), "NO DATA", Toast.LENGTH_SHORT).show();
}
else
{
while(cursor.moveToNext())
{
}
}
i really hope any of you can help me i'm too desperate
Coding to call the public arraylist function
this is the coding to call the public arraylist in databasehelper.java :
Spinner SpListofShop = findViewById(R.id.SpListofShop);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(getApplicationContext(), android.R.layout.simple_spinner_dropdown_item, db.alldata());
adapter.setDropDownViewResource( android.R.layout.simple_spinner_dropdown_item);
SpListofShop.setAdapter(adapter);
asked Nov 24 '18 at 8:38
j-h13j-h13
13
you dont need any array or list andwhile(cursor.moveToNext())loop - just useSimpleCursorAdapterinstead
– pskink
Nov 24 '18 at 8:46
and no - do NOT use anyArrayAdapters for that
– pskink
Nov 24 '18 at 8:57
may i know why i cant use ArrayAdapter ? the existing data have a table named shop with only a column called shopname. So the data that i am about display on spinner is the one in shopname. is it bc i only have one column ? or? @pskink
– j-h13
Nov 24 '18 at 9:23
why? because you dont have to use any loops for popolate tne list/arrau used byArrayAdapter,- withSimpleCursorAdapteryou simply pass aCursorin the constructor - thats ALL - also as a bonus you have valididinOnItemSelectedListener#onItemSelectedmethod
– pskink
Nov 24 '18 at 9:25
ok now i see thank you for the info :) @pskink
– j-h13
Nov 24 '18 at 9:48
add a comment |
-2
-2
-2
Hi guys i have trouble to bind the existing data from sqlite to spinner. Do i have to apply arraylist ? If so how do i do it? Please help me i'm still new and this is for my project.
this is how the data taken from database :
public Cursor alldata()
{
ArrayList<String> values = new ArrayList<String>();
SQLiteDatabase db = this.getReadableDatabase();
Cursor cursor = db.rawQuery("Select * from shop", null);
return cursor;
}
this is the coding that supposedly to receive the data and show it on spinner but i have no idea to do it :
SpListofShop = (Spinner) findViewById(R.id.SpListofShop);
Cursor cursor = db.alldata();
if(cursor.getCount()==0)
{
Toast.makeText(getApplicationContext(), "NO DATA", Toast.LENGTH_SHORT).show();
}
else
{
while(cursor.moveToNext())
{
}
}
i really hope any of you can help me i'm too desperate
Coding to call the public arraylist function
this is the coding to call the public arraylist in databasehelper.java :
Spinner SpListofShop = findViewById(R.id.SpListofShop);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(getApplicationContext(), android.R.layout.simple_spinner_dropdown_item, db.alldata());
adapter.setDropDownViewResource( android.R.layout.simple_spinner_dropdown_item);
SpListofShop.setAdapter(adapter);
asked Nov 24 '18 at 8:38
j-h13j-h13
13
Hi guys i have trouble to bind the existing data from sqlite to spinner. Do i have to apply arraylist ? If so how do i do it? Please help me i'm still new and this is for my project.
this is how the data taken from database :
public Cursor alldata()
{
ArrayList<String> values = new ArrayList<String>();
SQLiteDatabase db = this.getReadableDatabase();
Cursor cursor = db.rawQuery("Select * from shop", null);
return cursor;
}
this is the coding that supposedly to receive the data and show it on spinner but i have no idea to do it :
SpListofShop = (Spinner) findViewById(R.id.SpListofShop);
Cursor cursor = db.alldata();
if(cursor.getCount()==0)
{
Toast.makeText(getApplicationContext(), "NO DATA", Toast.LENGTH_SHORT).show();
}
else
{
while(cursor.moveToNext())
{
}
}
i really hope any of you can help me i'm too desperate
Coding to call the public arraylist function
this is the coding to call the public arraylist in databasehelper.java :
Spinner SpListofShop = findViewById(R.id.SpListofShop);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(getApplicationContext(), android.R.layout.simple_spinner_dropdown_item, db.alldata());
adapter.setDropDownViewResource( android.R.layout.simple_spinner_dropdown_item);
SpListofShop.setAdapter(adapter);
asked Nov 24 '18 at 8:38
j-h13j-h13
13
asked Nov 24 '18 at 8:38
j-h13j-h13
13
edited Nov 25 '18 at 7:20
j-h13
asked Nov 24 '18 at 8:38
j-h13j-h13
13
asked Nov 24 '18 at 8:38
j-h13j-h13
13
asked Nov 24 '18 at 8:38
j-h13j-h13
13
13
you dont need any array or list andwhile(cursor.moveToNext())loop - just useSimpleCursorAdapterinstead
– pskink
Nov 24 '18 at 8:46
and no - do NOT use anyArrayAdapters for that
– pskink
Nov 24 '18 at 8:57
may i know why i cant use ArrayAdapter ? the existing data have a table named shop with only a column called shopname. So the data that i am about display on spinner is the one in shopname. is it bc i only have one column ? or? @pskink
– j-h13
Nov 24 '18 at 9:23
why? because you dont have to use any loops for popolate tne list/arrau used byArrayAdapter,- withSimpleCursorAdapteryou simply pass aCursorin the constructor - thats ALL - also as a bonus you have valididinOnItemSelectedListener#onItemSelectedmethod
– pskink
Nov 24 '18 at 9:25
ok now i see thank you for the info :) @pskink
– j-h13
Nov 24 '18 at 9:48
add a comment |
you dont need any array or list andwhile(cursor.moveToNext())loop - just useSimpleCursorAdapterinstead
– pskink
Nov 24 '18 at 8:46
and no - do NOT use anyArrayAdapters for that
– pskink
Nov 24 '18 at 8:57
may i know why i cant use ArrayAdapter ? the existing data have a table named shop with only a column called shopname. So the data that i am about display on spinner is the one in shopname. is it bc i only have one column ? or? @pskink
– j-h13
Nov 24 '18 at 9:23
why? because you dont have to use any loops for popolate tne list/arrau used byArrayAdapter,- withSimpleCursorAdapteryou simply pass aCursorin the constructor - thats ALL - also as a bonus you have valididinOnItemSelectedListener#onItemSelectedmethod
– pskink
Nov 24 '18 at 9:25
ok now i see thank you for the info :) @pskink
– j-h13
Nov 24 '18 at 9:48
you dont need any array or list and
while(cursor.moveToNext()) loop - just use SimpleCursorAdapter instead– pskink
Nov 24 '18 at 8:46
you dont need any array or list and
while(cursor.moveToNext()) loop - just use SimpleCursorAdapter instead– pskink
Nov 24 '18 at 8:46
and no - do NOT use any
ArrayAdapters for that– pskink
Nov 24 '18 at 8:57
and no - do NOT use any
ArrayAdapters for that– pskink
Nov 24 '18 at 8:57
may i know why i cant use ArrayAdapter ? the existing data have a table named shop with only a column called shopname. So the data that i am about display on spinner is the one in shopname. is it bc i only have one column ? or? @pskink
– j-h13
Nov 24 '18 at 9:23
may i know why i cant use ArrayAdapter ? the existing data have a table named shop with only a column called shopname. So the data that i am about display on spinner is the one in shopname. is it bc i only have one column ? or? @pskink
– j-h13
Nov 24 '18 at 9:23
why? because you dont have to use any loops for popolate tne list/arrau used by
ArrayAdapter,- with SimpleCursorAdapter you simply pass a Cursor in the constructor - thats ALL - also as a bonus you have valid id in OnItemSelectedListener#onItemSelected method– pskink
Nov 24 '18 at 9:25
why? because you dont have to use any loops for popolate tne list/arrau used by
ArrayAdapter,- with SimpleCursorAdapter you simply pass a Cursor in the constructor - thats ALL - also as a bonus you have valid id in OnItemSelectedListener#onItemSelected method– pskink
Nov 24 '18 at 9:25
ok now i see thank you for the info :) @pskink
– j-h13
Nov 24 '18 at 9:48
ok now i see thank you for the info :) @pskink
– j-h13
Nov 24 '18 at 9:48
add a comment |
1 Answer
1
active
oldest
votes
0
1.change alldata as follows:
public ArrayList<String> alldata()
{
ArrayList<String> values = new ArrayList<String>();
SQLiteDatabase db = this.getReadableDatabase();
Cursor cursor = db.rawQuery("Select * from shop", null);
for (int i=0;i<cursor.getCount();i++){
values.add(cursor.getString(cursor.getColumnIndex("row_name")));
//edit, change row_name with your row
}
cursor.close();
return values;
}
2.change spinner code like this:
Spinner SpListofShop = findViewById(R.id.SpListofShop);
ArrayAdapter<String> adapter = new ArrayAdapter<>(getApplicationContext(), android.R.layout.simple_spinner_dropdown_item, alldata());
adapter.setDropDownViewResource( android.R.layout.simple_spinner_dropdown_item);
SpListofShop.setAdapter(adapter);
answered Nov 24 '18 at 8:52
Touhidul IslamTouhidul Islam
1,3141415
i wanna ask whether the row_name is the first data or the column name? i get confused and also thank you so much for the steps and the coding :) @touhidul islam
– j-h13
Nov 24 '18 at 9:26
@j-h13 i just answered above why you should NOT useArrayAdapterwhen your data comes from aCursor- why do you insist in using it?
– pskink
Nov 24 '18 at 9:29
@j-h13,select *...return all data from your table, but, you want to show a specific name on the spinner, say, value ofnamerow. If so, replacerow_namewithname
– Touhidul Islam
Nov 24 '18 at 9:37
@j-h13 has this answer solved your problem? if so, please accept it
– Touhidul Islam
Nov 24 '18 at 15:52
@TouhidulIslam sorry sir its not working sorry for late reply
– j-h13
Nov 24 '18 at 18:58
|
show 7 more comments
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1 Answer
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1.change alldata as follows:
public ArrayList<String> alldata()
{
ArrayList<String> values = new ArrayList<String>();
SQLiteDatabase db = this.getReadableDatabase();
Cursor cursor = db.rawQuery("Select * from shop", null);
for (int i=0;i<cursor.getCount();i++){
values.add(cursor.getString(cursor.getColumnIndex("row_name")));
//edit, change row_name with your row
}
cursor.close();
return values;
}
2.change spinner code like this:
Spinner SpListofShop = findViewById(R.id.SpListofShop);
ArrayAdapter<String> adapter = new ArrayAdapter<>(getApplicationContext(), android.R.layout.simple_spinner_dropdown_item, alldata());
adapter.setDropDownViewResource( android.R.layout.simple_spinner_dropdown_item);
SpListofShop.setAdapter(adapter);
answered Nov 24 '18 at 8:52
Touhidul IslamTouhidul Islam
1,3141415
i wanna ask whether the row_name is the first data or the column name? i get confused and also thank you so much for the steps and the coding :) @touhidul islam
– j-h13
Nov 24 '18 at 9:26
@j-h13 i just answered above why you should NOT useArrayAdapterwhen your data comes from aCursor- why do you insist in using it?
– pskink
Nov 24 '18 at 9:29
@j-h13,select *...return all data from your table, but, you want to show a specific name on the spinner, say, value ofnamerow. If so, replacerow_namewithname
– Touhidul Islam
Nov 24 '18 at 9:37
@j-h13 has this answer solved your problem? if so, please accept it
– Touhidul Islam
Nov 24 '18 at 15:52
@TouhidulIslam sorry sir its not working sorry for late reply
– j-h13
Nov 24 '18 at 18:58
|
show 7 more comments
0
1.change alldata as follows:
public ArrayList<String> alldata()
{
ArrayList<String> values = new ArrayList<String>();
SQLiteDatabase db = this.getReadableDatabase();
Cursor cursor = db.rawQuery("Select * from shop", null);
for (int i=0;i<cursor.getCount();i++){
values.add(cursor.getString(cursor.getColumnIndex("row_name")));
//edit, change row_name with your row
}
cursor.close();
return values;
}
2.change spinner code like this:
Spinner SpListofShop = findViewById(R.id.SpListofShop);
ArrayAdapter<String> adapter = new ArrayAdapter<>(getApplicationContext(), android.R.layout.simple_spinner_dropdown_item, alldata());
adapter.setDropDownViewResource( android.R.layout.simple_spinner_dropdown_item);
SpListofShop.setAdapter(adapter);
answered Nov 24 '18 at 8:52
Touhidul IslamTouhidul Islam
1,3141415
i wanna ask whether the row_name is the first data or the column name? i get confused and also thank you so much for the steps and the coding :) @touhidul islam
– j-h13
Nov 24 '18 at 9:26
@j-h13 i just answered above why you should NOT useArrayAdapterwhen your data comes from aCursor- why do you insist in using it?
– pskink
Nov 24 '18 at 9:29
@j-h13,select *...return all data from your table, but, you want to show a specific name on the spinner, say, value ofnamerow. If so, replacerow_namewithname
– Touhidul Islam
Nov 24 '18 at 9:37
@j-h13 has this answer solved your problem? if so, please accept it
– Touhidul Islam
Nov 24 '18 at 15:52
@TouhidulIslam sorry sir its not working sorry for late reply
– j-h13
Nov 24 '18 at 18:58
|
show 7 more comments
0
0
0
1.change alldata as follows:
public ArrayList<String> alldata()
{
ArrayList<String> values = new ArrayList<String>();
SQLiteDatabase db = this.getReadableDatabase();
Cursor cursor = db.rawQuery("Select * from shop", null);
for (int i=0;i<cursor.getCount();i++){
values.add(cursor.getString(cursor.getColumnIndex("row_name")));
//edit, change row_name with your row
}
cursor.close();
return values;
}
2.change spinner code like this:
Spinner SpListofShop = findViewById(R.id.SpListofShop);
ArrayAdapter<String> adapter = new ArrayAdapter<>(getApplicationContext(), android.R.layout.simple_spinner_dropdown_item, alldata());
adapter.setDropDownViewResource( android.R.layout.simple_spinner_dropdown_item);
SpListofShop.setAdapter(adapter);
answered Nov 24 '18 at 8:52
Touhidul IslamTouhidul Islam
1,3141415
1.change alldata as follows:
public ArrayList<String> alldata()
{
ArrayList<String> values = new ArrayList<String>();
SQLiteDatabase db = this.getReadableDatabase();
Cursor cursor = db.rawQuery("Select * from shop", null);
for (int i=0;i<cursor.getCount();i++){
values.add(cursor.getString(cursor.getColumnIndex("row_name")));
//edit, change row_name with your row
}
cursor.close();
return values;
}
2.change spinner code like this:
Spinner SpListofShop = findViewById(R.id.SpListofShop);
ArrayAdapter<String> adapter = new ArrayAdapter<>(getApplicationContext(), android.R.layout.simple_spinner_dropdown_item, alldata());
adapter.setDropDownViewResource( android.R.layout.simple_spinner_dropdown_item);
SpListofShop.setAdapter(adapter);
answered Nov 24 '18 at 8:52
Touhidul IslamTouhidul Islam
1,3141415
answered Nov 24 '18 at 8:52
Touhidul IslamTouhidul Islam
1,3141415
answered Nov 24 '18 at 8:52
Touhidul IslamTouhidul Islam
1,3141415
answered Nov 24 '18 at 8:52
Touhidul IslamTouhidul Islam
1,3141415
1,3141415
i wanna ask whether the row_name is the first data or the column name? i get confused and also thank you so much for the steps and the coding :) @touhidul islam
– j-h13
Nov 24 '18 at 9:26
@j-h13 i just answered above why you should NOT useArrayAdapterwhen your data comes from aCursor- why do you insist in using it?
– pskink
Nov 24 '18 at 9:29
@j-h13,select *...return all data from your table, but, you want to show a specific name on the spinner, say, value ofnamerow. If so, replacerow_namewithname
– Touhidul Islam
Nov 24 '18 at 9:37
@j-h13 has this answer solved your problem? if so, please accept it
– Touhidul Islam
Nov 24 '18 at 15:52
@TouhidulIslam sorry sir its not working sorry for late reply
– j-h13
Nov 24 '18 at 18:58
|
show 7 more comments
i wanna ask whether the row_name is the first data or the column name? i get confused and also thank you so much for the steps and the coding :) @touhidul islam
– j-h13
Nov 24 '18 at 9:26
@j-h13 i just answered above why you should NOT useArrayAdapterwhen your data comes from aCursor- why do you insist in using it?
– pskink
Nov 24 '18 at 9:29
@j-h13,select *...return all data from your table, but, you want to show a specific name on the spinner, say, value ofnamerow. If so, replacerow_namewithname
– Touhidul Islam
Nov 24 '18 at 9:37
@j-h13 has this answer solved your problem? if so, please accept it
– Touhidul Islam
Nov 24 '18 at 15:52
@TouhidulIslam sorry sir its not working sorry for late reply
– j-h13
Nov 24 '18 at 18:58
i wanna ask whether the row_name is the first data or the column name? i get confused and also thank you so much for the steps and the coding :) @touhidul islam
– j-h13
Nov 24 '18 at 9:26
i wanna ask whether the row_name is the first data or the column name? i get confused and also thank you so much for the steps and the coding :) @touhidul islam
– j-h13
Nov 24 '18 at 9:26
@j-h13 i just answered above why you should NOT use
ArrayAdapter when your data comes from a Cursor - why do you insist in using it?– pskink
Nov 24 '18 at 9:29
@j-h13 i just answered above why you should NOT use
ArrayAdapter when your data comes from a Cursor - why do you insist in using it?– pskink
Nov 24 '18 at 9:29
@j-h13,
select *... return all data from your table, but, you want to show a specific name on the spinner, say, value of name row. If so, replace row_name with name– Touhidul Islam
Nov 24 '18 at 9:37
@j-h13,
select *... return all data from your table, but, you want to show a specific name on the spinner, say, value of name row. If so, replace row_name with name– Touhidul Islam
Nov 24 '18 at 9:37
@j-h13 has this answer solved your problem? if so, please accept it
– Touhidul Islam
Nov 24 '18 at 15:52
@j-h13 has this answer solved your problem? if so, please accept it
– Touhidul Islam
Nov 24 '18 at 15:52
@TouhidulIslam sorry sir its not working sorry for late reply
– j-h13
Nov 24 '18 at 18:58
@TouhidulIslam sorry sir its not working sorry for late reply
– j-h13
Nov 24 '18 at 18:58
|
show 7 more comments
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you dont need any array or list and
while(cursor.moveToNext())loop - just useSimpleCursorAdapterinstead– pskink
Nov 24 '18 at 8:46
and no - do NOT use any
ArrayAdapters for that– pskink
Nov 24 '18 at 8:57
may i know why i cant use ArrayAdapter ? the existing data have a table named shop with only a column called shopname. So the data that i am about display on spinner is the one in shopname. is it bc i only have one column ? or? @pskink
– j-h13
Nov 24 '18 at 9:23
why? because you dont have to use any loops for popolate tne list/arrau used by
ArrayAdapter,- withSimpleCursorAdapteryou simply pass aCursorin the constructor - thats ALL - also as a bonus you have valididinOnItemSelectedListener#onItemSelectedmethod– pskink
Nov 24 '18 at 9:25
ok now i see thank you for the info :) @pskink
– j-h13
Nov 24 '18 at 9:48