Reduce

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    android:viewportHeight="28.1"

    android:width="20.7dp"

    android:height="28.1dp">

<vector xmlns:android="http://schemas.android.com/apk/res/android" xmlns:aapt="http://schemas.android.com/aapt"

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 No newline at end of file

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            android:layout_height="wrap_content" />

    </LinearLayout>

    <ImageButton

        android:id="@+id/floating_button"

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        android:src="@drawable/ic_ime_switch"

        android:contentDescription="@string/ime_switch_button"

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        android:clickable="true"

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        android:clickable="true" />

</FrameLayout>