Question
How can I align a specific part of the text in an Android TextView to the right?
TextView textView = findViewById(R.id.myTextView);
// Create a Spannable string
SpannableString spannableString = new SpannableString("Left aligned text.\nRight aligned text here.");
// Set alignment for specific text
spannableString.setSpan(new AlignmentSpan.Standard(Layout.Alignment.ALIGN_OPPOSITE), 19, 39, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
textView.setText(spannableString);
Answer
Aligning specific text within a TextView in Android can be achieved using SpannableString along with the AlignmentSpan class. This approach allows you to set different alignments for different parts of the text, providing greater flexibility in designing your UI.
TextView textView = findViewById(R.id.myTextView);
// Create a Spannable string
SpannableString spannableString = new SpannableString("Left aligned text.\nRight aligned text here.");
// Set alignment for specific text
spannableString.setSpan(new AlignmentSpan.Standard(Layout.Alignment.ALIGN_OPPOSITE), 19, 39, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
textView.setText(spannableString);
Causes
- Lack of awareness on how to use Spannable Strings effectively in Android.
- Not understanding the AlignmentSpan class and its usage.
Solutions
- Use SpannableString to create a styled string that supports different alignments.
- Apply AlignmentSpan to the portion of text you wish to align differently.
Common Mistakes
Mistake: Trying to set gravity on the TextView instead of using SpannableString.
Solution: Use SpannableString with AlignmentSpan to control specific text alignment.
Mistake: Forgetting to specify the correct indices for the text span.
Solution: Double-check the start and end indices for your AlignmentSpan to ensure they capture the right text.
Helpers
- Android TextView right align text
- SpannableString Android example
- AlignmentSpan Android
- TextView text alignment
- Android UI design tips