Refactor update

src/screens/SettingsScreen.js.old

@@ -0,0 +1,78 @@
+import React from 'react';
+import {
+    View,
+    Text,
+    TextInput,
+    } from 'react-native';
+import {
+        Header,
+        Button,
+    } from 'react-native-elements';
+
+
+class SettingsScreen extends React.Component {
+    // 1
+    constructor(props) {
+      super(props);
+      let initv = this.getMyStringValue;
+      this.state = { value : initv };
+      
+    }
+  
+    setStringValue = async (value) => {
+      try {
+        await AsyncStorage.setItem('key', value)
+      } catch(e) {
+        // save error
+      }
+    
+      //console.log('Done.')
+    }
+
+    getMyStringValue = async () => {
+      try {
+        return await AsyncStorage.getItem('@key')
+      } catch(e) {
+        // read error
+      }
+    
+      //console.log('Done.')
+      //this.state.value =rv;
+    
+    }
+
+
+    
+    static navigationOptions = ({ navigation }) => {
+      return {
+        title: navigation.getParam('otherParam', 'Settings'),
+        headerStyle: {
+          backgroundColor: '#3333ff',
+        },
+        headerTintColor: '#fff',
+      };
+    };
+   
+  
+   
+    render() {
+      let value = this.state.value;
+     
+      return (
+        <View style={{ flex: 1, alignItems: 'center', justifyContent: 'center'}}>
+    <Text>Settings Screen{"\n"}{"\n"}
+      RPI Media Center Control v 1.0 beta Settings{"\n"}</Text>
+      <Text>{"\n"}server IP/hostname: </Text>
+        <TextInput onChangeText={newValue => this.setStringValue(newValue)}  style={{borderWidth: 1, width: 100}} >{value}</TextInput>
+      <Text>{"\n"}</Text>
+      
+         
+        
+    
+        </View>
+  
+      );
+    }
+  }
+
+  export default SettingsScreen;