Turn off autosuggest for EditText?

I had the same question but I still wanted to set this option in my XML file so I did a little more research until I found it out myself.

Add this line into your EditText.

android:inputType="textFilter" 

Here is a Tip. Use this line if you want to be able to use the "enter" key.

android:inputType="textFilter|textMultiLine"

You can solve this problem by using this:

android:importantForAutofill="no" 

Android O has the feature to support Auto-filling for fields,Just only use this in your xml, It will disable autofill hints

For the android version 8.0 or above this code is not working and for the autocomplete textview also this code not working so i will suggest you to use below code for the Disable the auto suggestions in 8.0 or above android vesrion use this property of edittext android:importantForAutofill="no"

                   <EditText
                            android:id="@+id/name"
                            android:layout_width="match_parent"
                            android:layout_height="wrap_content"
                            android:enabled="false"
                            android:focusable="false"
                            android:imeOptions="actionDone"
                            android:maxLength="80"
                            android:maxLines="1"
                            android:textColor="@color/colorBlack"
                            android:textColorHint="@color/colorBlack"
                            android:importantForAutofill="no"
                            android:textSize="@dimen/_12sdp"
                            app:bFontsEdt="light" />

and for the AutoComplete textview like this use this Field to Disable Auto suggestion android:importantForAutofill="no" :

      <AutoCompleteTextView
                        android:id="@+id/autocompleteEditTextView"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:layout_marginLeft="@dimen/_3sdp"
                        android:layout_marginTop="@dimen/_5sdp"
                        android:background="@null"
                        android:imeOptions="actionDone"
                        android:singleLine="true"
                        android:text=""
                        android:textColor="@color/colorBlack"
                        android:textColorHint="@color/colorGrayDark"
                        android:importantForAutofill="no"
                        android:textSize="@dimen/_12sdp" />

This worked for me

android:importantForAutofill="no" 
android:inputType="none|textNoSuggestions"

OK, the problem was - in Eclipse you don't get suggestion for flag named: textNoSuggestion

And you can't set it in main.xml (where you design UI) because that attribute for inputType isn't recognized. So you can set it in code using int const:

EditText txtTypeIt = (EditText) this.findViewById(R.id.txtTypeIt);
txtTypeIt.setInputType(524288);

And thanks jasta00 for helping me out figure answer for this one.

    // 100% correct & tested
    txtKey = (EditText) view.findViewById(R.id.txtKey);
    txtKey.setPrivateImeOptions("nm");
    txtKey.setInputType(InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
        txtKey.setImportantForAutofill(View.IMPORTANT_FOR_AUTOFILL_NO);
    }

if you don't want suggestion you can use "none"

android:inputType="none|numberDecimal"

Find a good solution for auto suggestions with TextWatcher. The suggestions will appear for user, but user will not be able accept them.

/*...*/

editText.addTextChangedListener(textWatcher);

/*...*/
}

private final TextWatcher textWatcher = new TextWatcher() {
    
    long timestamp = 0L;
    
    @Override
    public void beforeTextChanged(CharSequence s, int start, int count, int after) {
    }
    
    @Override
    public void onTextChanged(CharSequence s, int start, int before, int count) {
        if (!longClickable && count - before > 1 && timestamp < System.currentTimeMillis()) { // disable suggestions click
            String str = s.toString();
            str = str.substring(0, before);
            timestamp = System.currentTimeMillis() + 20;
            inputText.setText(str);
            inputText.setSelection(inputText.getText().length());
        }
    }

    @Override
    public void afterTextChanged(Editable s) {
    }
};

Also this works good when you don't need a long click with copy/paste functionality