The react-native UI Kit you've been looking for.
Button
<ButtonBordered text="Secondary Button"/>
<ButtonPrimary text="Primary Button"/>
text property can be customized to change the text that appears on the button
Chat Bubble
<ChatBubble text="Lorem ipsum dolor sit amet, consectetur adipiscing elit." />
text property can be customized to change the text
Pills
<Pills text="Pill button"/>
<PillPrimary text="Pill button"/>
text property can be customized to change the text
Input field
<InputField placeholder="placeholder text" />
placeholder property can be customized to change the placeholder text
Loader
<Loader message="Loading.."/>