Questions tagged [android-editable]
9 questions
2
votes
1 answer
Android StringBuilder vs Editable
While trying to comprehend this answer, I failed to understand the difference between StringBuilder and Editable. This image (minus the hand-drawn red circles) comes from that answer.
Both of them have methods to append, delete, insert, and replace…
Suragch
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1
vote
1 answer
What really happens when setText() is called on an EditText?
This is a part of the code:
editText.setText("Some Text", TextView.BufferType.EDITABLE);
Editable editable = (Editable) editText.getText();
// value of editable.toString() here is "Some Text"
editText.setText("Another Text",…
H. Riantsoa
- 89
- 8
1
vote
0 answers
Why we should not change content of returned value from TextView#getText()?
Android Docs in about TextView.getText() say:
Note: The content of the return value should not be modified. If you want a modifiable one, you should make your own copy first.
Also TextView has setText (CharSequence text, TextView.BufferType type)…
hasanghaforian
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0
votes
1 answer
Relationship between Editable objects and EditText text attribute
The app I've created just shows what users have typed in the EditText.
This is the onCreate method of its MainActivity:
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
…
H. Riantsoa
- 89
- 8
0
votes
1 answer
How to change span position automatically, if some text added before spanned text in EditText?
Am creating an application in which edittext adds style span to certain positions of text
editable.setSpan(new StyleSpan(Typeface.BOLD), start, start+replacement.length(),Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
My issue is that if user adds, some text…
Bincy Baby
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0
votes
1 answer
EditText: Cursor does not update when calling setText() with a custom Editable
I'm experiencing issues trying to use a custom type that implements Editable as the basis for an EditText. Here is my code:
// This is a custom type that implements Editable.
// It's just a wrapper over a SpannableStringBuilder, with some
//…
James Ko
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0
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2 answers
How can I validate EditText. App is getting crashed on submit without any value in EditText
I'm trying to validate EditText for mandatory check. So I created Validation.java with hasText() function. Even after using this my app is getting crashed when no value is passed in EditText instead of displaying warning.
Attaching my code below.…
Pavithran
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- 5
-1
votes
1 answer
Android Editable is abstract; cannot be instantiated
I'm creating an EditText subclass and I want to make an Editable variable to pass to the super class.
When I originally tried
private Editable unicodeText = new Editable();
I got the error
'Editable' is abstract; cannot be…
Suragch
- 484,302
- 314
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-4
votes
1 answer
android dialog with editable listview
I am trying to create a ListView with editable lines:
MainActivity
public class AlertDialogList extends AppCompatActivity {
protected final String DEBUG_TAG = this.getClass().getName();
List> headers = new…
Alex B
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