Hello all, I want to make something like this Don't have an account? *Sign Up*
What i am doing is <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/watcher" android:text="Don't have an account? Sign Up" android:textColor="#919191" android:layout_gravity="center_horizontal"/> TextView watcher = (TextView)findViewById(R.id.watcher); watcher.addTextChangedListener(new TextWatcher() { @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { if(s.equals("Don't have an account? Sign Up")){ watcher.setTextColor(Color.parseColor("#26C6DA")); } } @Override public void onTextChanged(CharSequence s, int start, int before, int count) { } @Override public void afterTextChanged(Editable s) { } }); After running above code i am getting an error java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.addTextChangedListener(android.text.TextWatcher)' on a null object reference What i am doing wrong Someone help. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to android-developers+unsubscr...@googlegroups.com. To post to this group, send email to android-developers@googlegroups.com. Visit this group at https://groups.google.com/group/android-developers. To view this discussion on the web visit https://groups.google.com/d/msgid/android-developers/8f13ceb5-07ea-4a58-b90d-94ad3a4a63af%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.