I tried to add some string between strings. I want to add "themev2" to
<SEC_FLOATING_FEATURE_COMMON_CONFIG_CHANGEABLE_UI></SEC_FLOATING_FEATURE_COMMON_CONFIG_CHANGEABLE_UI>
so that the result is
<SEC_FLOATING_FEATURE_COMMON_CONFIG_CHANGEABLE_UI>themev2</SEC_FLOATING_FEATURE_COMMON_CONFIG_CHANGEABLE_UI>
I tried to use
lama="<SEC_FLOATING_FEATURE_COMMON_CONFIG_CHANGEABLE_UI></SEC_FLOATING_FEATURE_COMMON_CONFIG_CHANGEABLE_UI>"
baru="<SEC_FLOATING_FEATURE_COMMON_CONFIG_CHANGEABLE_UI>themev2</SEC_FLOATING_FEATURE_COMMON_CONFIG_CHANGEABLE_UI>
sed -i 's/$lama/$baru/g' /system/etc/floating_feature.xml;
But it does not work :(