Merge pull request #18 from swapnil1104/hint_support

fixing NPE in OtpEditText

Author: swapnil1104

app/src/main/java/com/broooapps/otpedittext/MainActivity.java

@@ -21,19 +21,15 @@ protected void onCreate(Bundle savedInstanceState) {
         setContentView(R.layout.activity_main);
 
         otpEditText = findViewById(R.id.oev_view);
-
         textDisplay = findViewById(R.id.text_display);
 
-
         otpEditText.setOnCompleteListener(new OnCompleteListener() {
             @SuppressLint("SetTextI18n")
             @Override
             public void onComplete(String value) {
                 textDisplay.setText("Entered Value: " + value);
             }
         });
-
-
     }
 
     public void displayText(View view) {

app/src/main/res/layout/activity_main.xml

@@ -25,7 +25,6 @@
         android:digits="0123456789"
         android:maxLength="6"
         android:padding="32dp"
-        android:hint="126786786"
         android:textSize="30sp"
         app:layout_constraintTop_toBottomOf="@+id/textView"
         app:oev_box_style="@string/style_rounded_underline"

otpedittext2/src/main/java/com/broooapps/otpedittext2/OtpEditText.java

@@ -228,7 +228,7 @@ protected void onDraw(Canvas canvas) {
         textWidths = new float[textLength];
 
 
-        if (text.length() == 0 && !mHintText.isEmpty()) {
+        if (text.length() == 0 && mHintText != null && !mHintText.isEmpty()) {
             getPaint().getTextWidths("1", 0, 1, hintWidth);
             for (int i = 0; i < mNumChars && i < mHintText.length(); i++) {
                 float middle = hintStartX + mCharSize / 2;