In Android EditText, how to force writing uppercase?

Question

In my Android application I have different EditText where the user can enter information. But I need to force user to write in uppercase letters. Do you know a

Answer 1

Just do this:

// ****** Every first letter capital in word *********
<EditText
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:inputType="textCapWords"
    />

//***** if all letters are capital ************

    android:inputType="textCapCharacters"

Answer 2

You should put android:inputType="textCapCharacters" with Edittext in xml file.

Answer 3

Use input filter

editText = (EditText) findViewById(R.id.enteredText);
editText.setFilters(new InputFilter[]{new InputFilter.AllCaps()});

Answer 4

edittext.addTextChangedListener(new TextWatcher() {

    @Override
    public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {            

    }
        @Override
    public void beforeTextChanged(CharSequence arg0, int arg1, int arg2,
                    int arg3) {             
    }
    @Override
    public void afterTextChanged(Editable et) {
          String s=et.toString();
      if(!s.equals(s.toUpperCase()))
      {
         s=s.toUpperCase();
         edittext.setText(s);
      }
      editText.setSelection(editText.getText().length());
    }
});  

Answer 5

try this code it will make your input into upper case

edittext.setFilters(new InputFilter[] {new InputFilter.AllCaps()});

Answer 6

Simply, Add below code to your EditText of your xml file.

android:digits="ABCDEFGHIJKLMNOPQRSTUVWXYZ"

And if you want to allow both uppercase text and digits then use below code.

android:digits="ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890"