import android.content.Context;
import android.os.Build;
import android.os.Bundle;
-import android.support.annotation.ColorInt;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.support.design.widget.CollapsingToolbarLayout;
-import android.support.design.widget.FloatingActionButton;
-import android.support.design.widget.TextInputLayout;
-import android.support.v4.app.Fragment;
+import androidx.annotation.ColorInt;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+import com.google.android.material.textfield.TextInputLayout;
+import androidx.fragment.app.Fragment;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;