requestWindowFeature(Window.FEATURE_NO_TITLE);

if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN) {
    View decorView = getWindow().getDecorView();
    int uiOptions = View.SYSTEM_UI_FLAG_FULLSCREEN;
    decorView.setSystemUiVisibility(uiOptions);
} else
    getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);

<LayoutSizeChangedSensorFrameLayout>
 <RelativeLayout>

   #1
   <LinearLayout vertical, aligned to parent-top>
    <ImageView/>
    <TextView/>
    <CirclePageIndicator/>
   </LinearLayout>

   #2
   <ImageView aligned to parent-bottom, and below #1 />
   <ViewPager aligned to the ImageView from all sides/>

   #3
   <LinearLayout vertical, aligned to the parent-bottom>
    <TextView/>
    <EditText/>
    <Button/>
    </LinearLayout>

 </RelativeLayout>
</LayoutSizeChangedSensorFrameLayout>

<style name="AppTheme.Material" parent="@style/Theme.AppCompat.Light.DarkActionBar">
    ...
    <item name="windowActionBar">false</item>
    <item name="android:windowNoTitle">true</item>
    <item name="android:windowActionBar">false</item>
    <item name="windowNoTitle">true</item>
    <item name="android:windowTranslucentNavigation" tools:ignore="NewApi">true</item>
    <item name="android:windowTranslucentStatus" tools:ignore="NewApi">true</item>
    <item name="android:navigationBarColor" tools:ignore="NewApi">@android:color/transparent</item>
</style>

//No title bar is set for the activity
requestWindowFeature(Window.FEATURE_NO_TITLE);
//Full screen is set for the Window
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
        WindowManager.LayoutParams.FLAG_FULLSCREEN);

<style name="CustomTheme" parent="Theme.AppCompat.Light.NoActionBar">
    <item name="android:windowFullscreen">true</item>
</style>