You implement All material icons at https://material.io/icons/ are now available in Android Studio , You do not even need to download them. Just right click on the drawings> New> Vector Resource
A dialog like

After clicking the small Android icon, select an image and save it. This will create an xml drawable that you can open and edit as you wish.
This is how it will look
<vector xmlns:android="http://schemas.android.com/apk/res/android" android:alpha="0.8" <!--set the transparency from here --> android:width="24dp" android:height="24dp" android:viewportWidth="24.0" android:viewportHeight="24.0"> <path android:fillColor="#FF000000" <!-- Use this for setting your color --> android:pathData="M9.4,16.6L4.8,12l4.6,-4.6L8,6l-6,6 6,6 1.4,-1.4zM14.6,16.6l4.6,-4.6 -4.6,-4.6L16,6l6,6 -6,6 -1.4,-1.4z"/> </vector>
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