android - keyboard isn't showing up when edit text is touched -

i testing app on genymotion. want keyboard show when edit text touched please me this. this screen shot of app

here xml

<relativelayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" xmlns:app="http://schemas.android.com/apk/res-auto" android:background="#5a5ab5" android:paddingleft="@dimen/activity_horizontal_margin" android:paddingright="@dimen/activity_horizontal_margin"  android:paddingbottom="@dimen/activity_vertical_margin" tools:context=".mainactivity" android:clickable="false">  <com.github.florent37.materialtextfield.materialtextfield     android:layout_width="300dp"     android:layout_height="wrap_content"     android:layout_below="@+id/view"     app:mtf_image="@drawable/phon"     android:id="@+id/view3">  <edittext     android:layout_width="wrap_content"     android:layout_height="40dp"     android:id="@+id/phoneno"     android:paddingleft="5dp"     android:textsize="18sp"     android:inputtype="phone"     android:background="@drawable/phone"     android:hint="phone number"     android:layout_centervertical="true"     android:layout_alignparentleft="true"     android:layout_alignparentstart="true" /> 

as described on code used material library in code. please read library documentation. show keyboard code described in description.

app:mtf_openkeyboardonfocus="true" 

add in material views, material library description here.