TextView添加Onclick无效

 android:id="@+id/tvTab1"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:background="@drawable/deepGrey"
            android:clickable="true"
            android:drawableTop="@drawable/install"
            android:gravity="center"
            android:onClick="installedSoftTab"
            android:text="@string/install" />