<vector xmlns:android= "Http://schemas.android.com/apk/res/android"
xmlns:aapt= "Http://schemas.android.com/aapt"
android:width= "108DP"
android:height= "108DP"
android:viewportheight= "108"
android:viewportwidth= "108" >
<path
android:filltype= "EvenOdd"
android:pathdata= "m32,64c32,64 38.39,52.99 44.13,50.95c51.37,48.37 70.14,49.57 70.14,49.57l108.26,87.69l108,10 9.01l75.97,107.97l32,64z "
android:strokecolor= "#00000000"
android:strokewidth= "1" >
<aapt:attr name= "Android:fillcolor" >
<gradient
android:endx= "78.5885"
android:endy= "90.9159"
android:startx= "48.7653"
android:starty= "61.0927"
android:type= "linear" >
<item
android:color= "#44000000"
android:offset= "0.0"/>
<item
android:color= "#00000000"
android:offset= "1.0"/>
</gradient>
</aapt:attr>
</path>
<path
android:fillcolor= "#FFFFFF"
android:filltype= "Nonzero"
android:pathdata= "M66.94,46.02l66.94,46.02c72.44,50.07 76,56.61 76,64l32,64c32, 56.61 35.56,50.11 40.98,46.06l36.18,41.19c35.45,40.45 35.45,39.3 36.18,38.56c36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05l69.11,38.56c69.84,37.81 70.98,37.81 71.71,38.56c72.44,39.3 72.44,40.45 71.71,41.19l66.94,46.02zm62.94,56.92c64.08,56.92 65,56.01 65,54.88c65,53.76 64.08,52.85 62.94,52.85c61.8,52.85 60.88,53.76 60.88,54.88c60.88,56.01 61.8,56.92 62.94,56.92zm45.06,56.92c46.2,56.92 47.13,56.01 47.13,54.88c47.13,53.76 46.2,52.85 45.06,52.85c43.92,52.85 43,53.76 43,54.88c43,56.01 43.92,56.92 45.06,56.92z "
android:strokecolor= "#00000000"
android:strokewidth= "1"/>
</vector>
The final solution is to elevate the targetsdkversion to
<vector xmlns:android= "Http://schemas.android.com/apk/res/android"
xmlns:aapt= "Http://schemas.android.com/aapt"
android:width= "108DP"
android:height= "108DP"
android:viewportheight= "108"
android:viewportwidth= "108" >
<path
android:filltype= "EvenOdd"
android:pathdata= "m32,64c32,64 38.39,52.99 44.13,50.95c51.37,48.37 70.14,49.57 70.14,49.57l108.26,87.69l108,10 9.01l75.97,107.97l32,64z "
android:strokecolor= "#00000000"
android:strokewidth= "1" >
<aapt:attr name= "Android:fillcolor" >
<gradient
android:endx= "78.5885"
android:endy= "90.9159"
android:startx= "48.7653"
android:starty= "61.0927"
android:type= "linear" >
<item
android:color= "#44000000"
android:offset= "0.0"/>
<item
android:color= "#00000000"
android:offset= "1.0"/>
</gradient>
</aapt:attr>
</path>
<path
android:fillcolor= "#FFFFFF"
android:filltype= "Nonzero"
android:pathdata= "M66.94,46.02l66.94,46.02c72.44,50.07 76,56.61 76,64l32,64c32, 56.61 35.56,50.11 40.98,46.06l36.18,41.19c35.45,40.45 35.45,39.3 36.18,38.56c36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05l69.11,38.56c69.84,37.81 70.98,37.81 71.71,38.56c72.44,39.3 72.44,40.45 71.71,41.19l66.94,46.02zm62.94,56.92c64.08,56.92 65,56.01 65,54.88c65,53.76 64.08,52.85 62.94,52.85c61.8,52.85 60.88,53.76 60.88,54.88c60.88,56.01 61.8,56.92 62.94,56.92zm45.06,56.92c46.2,56.92 47.13,56.01 47.13,54.88c47.13,53.76 46.2,52.85 45.06,52.85c43.92,52.85 43,53.76 43,54.88c43,56.01 43.92,56.92 45.06,56.92z "
android:strokecolor= "#00000000"
android:strokewidth= "1"/>
</vector>
Vector android:filltype Gradient android:endx attribute not found