Mixing
TextView is not programmatically added to my Layout
1
I am trying to add TextViews to LinearLayout programmatically. The amount of TextViews is based on UserInput which he can type in using AlertDialog Builder
But the TextViews are not added to the Layout. I don't know why. Here is my whole code. What is wrong in my code?
public class HandleTableClick extends AppCompatActivity {
public int personsnumber;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.handle_table_click);
final LinearLayout myLayout = (LinearLayout) findViewById(R.id.myLayout);
final LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams( LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
AlertDialog.Builder alert = new AlertDialog.Builder(this);
alert.setTitle("Type number of persons");
final EditText input = new EditText(this);
input.setInputType(InputType.TYPE_CLASS_NUMBER);
input.setRawInputType(Configuration.KEYBOARD_12KEY);
String persons = input.getText().toString();
try {
personsnumber = Integer.parseInt(persons);
}
catch (NumberFormatException nfe){
}
alert.setView(input);
alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
TextView pairs=new TextView[personsnumber];
for(int l=0; l<personsnumber; l++)
{
pairs[l] = new TextView(HandleTableClick.this);
pairs[l].setTextSize(15);
pairs[l].setLayoutParams(lp);
pairs[l].setId(l);
pairs[l].setText((l + 1) + ": something");
myLayout.addView(pairs[l]);
}
}
});
alert.show();
}
}
android layout edited Nov 20 '18 at 16:32
Fantômas
32.5k156388
asked Nov 20 '18 at 15:29
BlnpwrBlnpwr
5341726
|
show 3 more comments
1
I am trying to add TextViews to LinearLayout programmatically. The amount of TextViews is based on UserInput which he can type in using AlertDialog Builder
But the TextViews are not added to the Layout. I don't know why. Here is my whole code. What is wrong in my code?
public class HandleTableClick extends AppCompatActivity {
public int personsnumber;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.handle_table_click);
final LinearLayout myLayout = (LinearLayout) findViewById(R.id.myLayout);
final LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams( LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
AlertDialog.Builder alert = new AlertDialog.Builder(this);
alert.setTitle("Type number of persons");
final EditText input = new EditText(this);
input.setInputType(InputType.TYPE_CLASS_NUMBER);
input.setRawInputType(Configuration.KEYBOARD_12KEY);
String persons = input.getText().toString();
try {
personsnumber = Integer.parseInt(persons);
}
catch (NumberFormatException nfe){
}
alert.setView(input);
alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
TextView pairs=new TextView[personsnumber];
for(int l=0; l<personsnumber; l++)
{
pairs[l] = new TextView(HandleTableClick.this);
pairs[l].setTextSize(15);
pairs[l].setLayoutParams(lp);
pairs[l].setId(l);
pairs[l].setText((l + 1) + ": something");
myLayout.addView(pairs[l]);
}
}
});
alert.show();
}
}
edited Nov 20 '18 at 16:32
Fantômas
32.5k156388
asked Nov 20 '18 at 15:29
BlnpwrBlnpwr
5341726
1
Did you debug at all? Specifically, did you check the value ofpersonsnumberinonClick()?
– Mike M.
Nov 20 '18 at 15:34
1
I think a possible reason could be because yourEditTexthas thefinalkeyword. Try taking that out. Also try doingEditText input = findViewById(R.id.editText);.
– Ishaan Javali
Nov 20 '18 at 15:36
2
Look at when you're getting that value from theEditText– before theAlertDialogis even shown. You need to get that value inonClick(). (Btw, that's the kind of info you want to include in your question.)
– Mike M.
Nov 20 '18 at 15:37
1
You don't needfindViewById(). You already have a reference to theEditText. Move theString persons = input.getText().toString();and parsing section to insideonClick().
– Mike M.
Nov 20 '18 at 15:40
1
Thank you very much that worked!!
– Blnpwr
Nov 20 '18 at 15:41
|
show 3 more comments
1
1
1
1
I am trying to add TextViews to LinearLayout programmatically. The amount of TextViews is based on UserInput which he can type in using AlertDialog Builder
But the TextViews are not added to the Layout. I don't know why. Here is my whole code. What is wrong in my code?
public class HandleTableClick extends AppCompatActivity {
public int personsnumber;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.handle_table_click);
final LinearLayout myLayout = (LinearLayout) findViewById(R.id.myLayout);
final LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams( LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
AlertDialog.Builder alert = new AlertDialog.Builder(this);
alert.setTitle("Type number of persons");
final EditText input = new EditText(this);
input.setInputType(InputType.TYPE_CLASS_NUMBER);
input.setRawInputType(Configuration.KEYBOARD_12KEY);
String persons = input.getText().toString();
try {
personsnumber = Integer.parseInt(persons);
}
catch (NumberFormatException nfe){
}
alert.setView(input);
alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
TextView pairs=new TextView[personsnumber];
for(int l=0; l<personsnumber; l++)
{
pairs[l] = new TextView(HandleTableClick.this);
pairs[l].setTextSize(15);
pairs[l].setLayoutParams(lp);
pairs[l].setId(l);
pairs[l].setText((l + 1) + ": something");
myLayout.addView(pairs[l]);
}
}
});
alert.show();
}
}
edited Nov 20 '18 at 16:32
Fantômas
32.5k156388
asked Nov 20 '18 at 15:29
BlnpwrBlnpwr
5341726
I am trying to add TextViews to LinearLayout programmatically. The amount of TextViews is based on UserInput which he can type in using AlertDialog Builder
But the TextViews are not added to the Layout. I don't know why. Here is my whole code. What is wrong in my code?
public class HandleTableClick extends AppCompatActivity {
public int personsnumber;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.handle_table_click);
final LinearLayout myLayout = (LinearLayout) findViewById(R.id.myLayout);
final LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams( LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
AlertDialog.Builder alert = new AlertDialog.Builder(this);
alert.setTitle("Type number of persons");
final EditText input = new EditText(this);
input.setInputType(InputType.TYPE_CLASS_NUMBER);
input.setRawInputType(Configuration.KEYBOARD_12KEY);
String persons = input.getText().toString();
try {
personsnumber = Integer.parseInt(persons);
}
catch (NumberFormatException nfe){
}
alert.setView(input);
alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
TextView pairs=new TextView[personsnumber];
for(int l=0; l<personsnumber; l++)
{
pairs[l] = new TextView(HandleTableClick.this);
pairs[l].setTextSize(15);
pairs[l].setLayoutParams(lp);
pairs[l].setId(l);
pairs[l].setText((l + 1) + ": something");
myLayout.addView(pairs[l]);
}
}
});
alert.show();
}
}
edited Nov 20 '18 at 16:32
Fantômas
32.5k156388
asked Nov 20 '18 at 15:29
BlnpwrBlnpwr
5341726
edited Nov 20 '18 at 16:32
Fantômas
32.5k156388
asked Nov 20 '18 at 15:29
BlnpwrBlnpwr
5341726
edited Nov 20 '18 at 16:32
Fantômas
32.5k156388
edited Nov 20 '18 at 16:32
Fantômas
32.5k156388
edited Nov 20 '18 at 16:32
Fantômas
32.5k156388
32.5k156388
asked Nov 20 '18 at 15:29
BlnpwrBlnpwr
5341726
asked Nov 20 '18 at 15:29
BlnpwrBlnpwr
5341726
asked Nov 20 '18 at 15:29
BlnpwrBlnpwr
5341726
5341726
1
Did you debug at all? Specifically, did you check the value ofpersonsnumberinonClick()?
– Mike M.
Nov 20 '18 at 15:34
1
I think a possible reason could be because yourEditTexthas thefinalkeyword. Try taking that out. Also try doingEditText input = findViewById(R.id.editText);.
– Ishaan Javali
Nov 20 '18 at 15:36
2
Look at when you're getting that value from theEditText– before theAlertDialogis even shown. You need to get that value inonClick(). (Btw, that's the kind of info you want to include in your question.)
– Mike M.
Nov 20 '18 at 15:37
1
You don't needfindViewById(). You already have a reference to theEditText. Move theString persons = input.getText().toString();and parsing section to insideonClick().
– Mike M.
Nov 20 '18 at 15:40
1
Thank you very much that worked!!
– Blnpwr
Nov 20 '18 at 15:41
|
show 3 more comments
1
Did you debug at all? Specifically, did you check the value ofpersonsnumberinonClick()?
– Mike M.
Nov 20 '18 at 15:34
1
I think a possible reason could be because yourEditTexthas thefinalkeyword. Try taking that out. Also try doingEditText input = findViewById(R.id.editText);.
– Ishaan Javali
Nov 20 '18 at 15:36
2
Look at when you're getting that value from theEditText– before theAlertDialogis even shown. You need to get that value inonClick(). (Btw, that's the kind of info you want to include in your question.)
– Mike M.
Nov 20 '18 at 15:37
1
You don't needfindViewById(). You already have a reference to theEditText. Move theString persons = input.getText().toString();and parsing section to insideonClick().
– Mike M.
Nov 20 '18 at 15:40
1
Thank you very much that worked!!
– Blnpwr
Nov 20 '18 at 15:41
1
1
Did you debug at all? Specifically, did you check the value of
personsnumber in onClick()?– Mike M.
Nov 20 '18 at 15:34
Did you debug at all? Specifically, did you check the value of
personsnumber in onClick()?– Mike M.
Nov 20 '18 at 15:34
1
1
I think a possible reason could be because your
EditText has the final keyword. Try taking that out. Also try doing EditText input = findViewById(R.id.editText);.– Ishaan Javali
Nov 20 '18 at 15:36
I think a possible reason could be because your
EditText has the final keyword. Try taking that out. Also try doing EditText input = findViewById(R.id.editText);.– Ishaan Javali
Nov 20 '18 at 15:36
2
2
Look at when you're getting that value from the
EditText – before the AlertDialog is even shown. You need to get that value in onClick(). (Btw, that's the kind of info you want to include in your question.)– Mike M.
Nov 20 '18 at 15:37
Look at when you're getting that value from the
EditText – before the AlertDialog is even shown. You need to get that value in onClick(). (Btw, that's the kind of info you want to include in your question.)– Mike M.
Nov 20 '18 at 15:37
1
1
You don't need
findViewById(). You already have a reference to the EditText. Move the String persons = input.getText().toString(); and parsing section to inside onClick().– Mike M.
Nov 20 '18 at 15:40
You don't need
findViewById(). You already have a reference to the EditText. Move the String persons = input.getText().toString(); and parsing section to inside onClick().– Mike M.
Nov 20 '18 at 15:40
1
1
Thank you very much that worked!!
– Blnpwr
Nov 20 '18 at 15:41
Thank you very much that worked!!
– Blnpwr
Nov 20 '18 at 15:41
|
show 3 more comments
1 Answer
1
active
oldest
votes
0
I already tested it! and function perfect! :)
And I added the setWeightSum to distribute the textView
public class MainActivity extends AppCompatActivity {
TextView textView;
Integer personsnumber;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
personsnumber=0;
final LinearLayout myLayout = (LinearLayout) findViewById(R.id.myLayout);
final LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams( LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT,1);
AlertDialog.Builder alert = new AlertDialog.Builder(this);
alert.setTitle("Type number of persons");
final EditText input = new EditText(this);
input.setInputType(InputType.TYPE_CLASS_NUMBER);
input.setRawInputType(Configuration.KEYBOARD_12KEY);
alert.setView(input);
alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
String persons = input.getText().toString();
try {
personsnumber = Integer.parseInt(persons);
}
catch (NumberFormatException nfe){
}
myLayout.setWeightSum(personsnumber);
for(int l=0; l<personsnumber; l++)
{
textView= new TextView(MainActivity.this);
textView.setTextSize(15);
textView.setId(l);
textView.setText((l + 1) + ": something");
textView.setLayoutParams(lp);
myLayout.addView(textView);
}
dialog.dismiss();
}
});
alert.show();
}
}
answered Nov 20 '18 at 16:12
Vero GorenaVero Gorena
214
add a comment |
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I already tested it! and function perfect! :)
And I added the setWeightSum to distribute the textView
public class MainActivity extends AppCompatActivity {
TextView textView;
Integer personsnumber;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
personsnumber=0;
final LinearLayout myLayout = (LinearLayout) findViewById(R.id.myLayout);
final LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams( LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT,1);
AlertDialog.Builder alert = new AlertDialog.Builder(this);
alert.setTitle("Type number of persons");
final EditText input = new EditText(this);
input.setInputType(InputType.TYPE_CLASS_NUMBER);
input.setRawInputType(Configuration.KEYBOARD_12KEY);
alert.setView(input);
alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
String persons = input.getText().toString();
try {
personsnumber = Integer.parseInt(persons);
}
catch (NumberFormatException nfe){
}
myLayout.setWeightSum(personsnumber);
for(int l=0; l<personsnumber; l++)
{
textView= new TextView(MainActivity.this);
textView.setTextSize(15);
textView.setId(l);
textView.setText((l + 1) + ": something");
textView.setLayoutParams(lp);
myLayout.addView(textView);
}
dialog.dismiss();
}
});
alert.show();
}
}
answered Nov 20 '18 at 16:12
Vero GorenaVero Gorena
214
add a comment |
0
I already tested it! and function perfect! :)
And I added the setWeightSum to distribute the textView
public class MainActivity extends AppCompatActivity {
TextView textView;
Integer personsnumber;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
personsnumber=0;
final LinearLayout myLayout = (LinearLayout) findViewById(R.id.myLayout);
final LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams( LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT,1);
AlertDialog.Builder alert = new AlertDialog.Builder(this);
alert.setTitle("Type number of persons");
final EditText input = new EditText(this);
input.setInputType(InputType.TYPE_CLASS_NUMBER);
input.setRawInputType(Configuration.KEYBOARD_12KEY);
alert.setView(input);
alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
String persons = input.getText().toString();
try {
personsnumber = Integer.parseInt(persons);
}
catch (NumberFormatException nfe){
}
myLayout.setWeightSum(personsnumber);
for(int l=0; l<personsnumber; l++)
{
textView= new TextView(MainActivity.this);
textView.setTextSize(15);
textView.setId(l);
textView.setText((l + 1) + ": something");
textView.setLayoutParams(lp);
myLayout.addView(textView);
}
dialog.dismiss();
}
});
alert.show();
}
}
answered Nov 20 '18 at 16:12
Vero GorenaVero Gorena
214
add a comment |
0
0
0
I already tested it! and function perfect! :)
And I added the setWeightSum to distribute the textView
public class MainActivity extends AppCompatActivity {
TextView textView;
Integer personsnumber;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
personsnumber=0;
final LinearLayout myLayout = (LinearLayout) findViewById(R.id.myLayout);
final LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams( LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT,1);
AlertDialog.Builder alert = new AlertDialog.Builder(this);
alert.setTitle("Type number of persons");
final EditText input = new EditText(this);
input.setInputType(InputType.TYPE_CLASS_NUMBER);
input.setRawInputType(Configuration.KEYBOARD_12KEY);
alert.setView(input);
alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
String persons = input.getText().toString();
try {
personsnumber = Integer.parseInt(persons);
}
catch (NumberFormatException nfe){
}
myLayout.setWeightSum(personsnumber);
for(int l=0; l<personsnumber; l++)
{
textView= new TextView(MainActivity.this);
textView.setTextSize(15);
textView.setId(l);
textView.setText((l + 1) + ": something");
textView.setLayoutParams(lp);
myLayout.addView(textView);
}
dialog.dismiss();
}
});
alert.show();
}
}
answered Nov 20 '18 at 16:12
Vero GorenaVero Gorena
214
I already tested it! and function perfect! :)
And I added the setWeightSum to distribute the textView
public class MainActivity extends AppCompatActivity {
TextView textView;
Integer personsnumber;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
personsnumber=0;
final LinearLayout myLayout = (LinearLayout) findViewById(R.id.myLayout);
final LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams( LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT,1);
AlertDialog.Builder alert = new AlertDialog.Builder(this);
alert.setTitle("Type number of persons");
final EditText input = new EditText(this);
input.setInputType(InputType.TYPE_CLASS_NUMBER);
input.setRawInputType(Configuration.KEYBOARD_12KEY);
alert.setView(input);
alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
String persons = input.getText().toString();
try {
personsnumber = Integer.parseInt(persons);
}
catch (NumberFormatException nfe){
}
myLayout.setWeightSum(personsnumber);
for(int l=0; l<personsnumber; l++)
{
textView= new TextView(MainActivity.this);
textView.setTextSize(15);
textView.setId(l);
textView.setText((l + 1) + ": something");
textView.setLayoutParams(lp);
myLayout.addView(textView);
}
dialog.dismiss();
}
});
alert.show();
}
}
answered Nov 20 '18 at 16:12
Vero GorenaVero Gorena
214
edited Nov 20 '18 at 17:07
answered Nov 20 '18 at 16:12
Vero GorenaVero Gorena
214
answered Nov 20 '18 at 16:12
Vero GorenaVero Gorena
214
answered Nov 20 '18 at 16:12
Vero GorenaVero Gorena
214
214
add a comment |
add a comment |
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1
Did you debug at all? Specifically, did you check the value of
personsnumberinonClick()?– Mike M.
Nov 20 '18 at 15:34
1
I think a possible reason could be because your
EditTexthas thefinalkeyword. Try taking that out. Also try doingEditText input = findViewById(R.id.editText);.– Ishaan Javali
Nov 20 '18 at 15:36
2
Look at when you're getting that value from the
EditText– before theAlertDialogis even shown. You need to get that value inonClick(). (Btw, that's the kind of info you want to include in your question.)– Mike M.
Nov 20 '18 at 15:37
1
You don't need
findViewById(). You already have a reference to theEditText. Move theString persons = input.getText().toString();and parsing section to insideonClick().– Mike M.
Nov 20 '18 at 15:40
1
Thank you very much that worked!!
– Blnpwr
Nov 20 '18 at 15:41