EditText with animated placeholder text in Android Apps.

Text input layout.xml

<android.support.design.widget.TextInputLayout
                        android:id="@+id/settings_weight_input"
                        android:layout_width="@dimen/edit_text"
                        android:layout_height="wrap_content"
                        android:animateLayoutChanges="true"
                        android:layout_alignParentLeft="true">
                        <android.support.design.widget.TextInputEditText
                            android:id="@+id/settings_weight_edt"
                            android:layout_height="match_parent"
                            android:layout_width="match_parent"
                            android:inputType="number"
                            android:maxLength="3"
                            android:theme="@style/AppTheme"
                            android:hint="@string/peso_name" />
                    </android.support.design.widget.TextInputLayout>