<Picker
	style={styles.picker}
	selectedValue={this.state.estado}
	onValueChange={(itemValue, itemIndex) =>
		this.setState({ estado: itemValue })
	}>
	<Picker.Item label="AC" value="AC" />
	<Picker.Item label="AL" value="AL" />
	<Picker.Item label="AP" value="AP" />
	<Picker.Item label="AM" value="AM" />
	<Picker.Item label="BA" value="BA" />
	<Picker.Item label="CE" value="CE" />
	<Picker.Item label="DF" value="DF" />
	<Picker.Item label="ES" value="ES" />
	<Picker.Item label="GO" value="GO" />
	<Picker.Item label="MA" value="MA" />
	<Picker.Item label="MG" value="MG" />
	<Picker.Item label="MS" value="MS" />
	<Picker.Item label="MT" value="MT" />
	<Picker.Item label="PA" value="PA" />
	<Picker.Item label="PB" value="PB" />
	<Picker.Item label="PE" value="PE" />
	<Picker.Item label="PI" value="PI" />
	<Picker.Item label="PR" value="PR" />
	<Picker.Item label="RJ" value="RJ" />
	<Picker.Item label="RO" value="RO" />
	<Picker.Item label="RR" value="RR" />
	<Picker.Item label="RS" value="RS" />
	<Picker.Item label="SC" value="SC" />
	<Picker.Item label="SE" value="SE" />
	<Picker.Item label="SP" value="SP" />
	<Picker.Item label="TO" value="TO" />
</Picker>