A simple wrapper for Android's Spinner in react-native
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README.md

react-native-dropdown-android

A simple wrapper for Android's Spinner

Installation Android

  1. npm install --save react-native-dropdown-android

  2. In android/settings.gradle

    ...
    include ':ReactNativeDropdownAndroid', ':app'
    project(':ReactNativeDropdownAndroid').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-dropdown-android/android')
  3. In android/app/build.gradle

    ...
    dependencies {
        ...
        compile project(':ReactNativeDropdownAndroid')
    }
  4. Register module (in MainActivity.java)

    4.1. With RN < 0.19.0

     ```java
     import com.chymtt.reactnativedropdown.DropdownPackage; // <----- import
    
     public class MainActivity extends Activity implements DefaultHardwareBackBtnHandler {
       ......
    
       @Override
       protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         mReactRootView = new ReactRootView(this);
    
         mReactInstanceManager = ReactInstanceManager.builder()
           .setApplication(getApplication())
           .setBundleAssetName("index.android.bundle")
           .setJSMainModuleName("index.android")
           .addPackage(new MainReactPackage())
           .addPackage(new DropdownPackage())              // <------ add here
           .setUseDeveloperSupport(BuildConfig.DEBUG)
           .setInitialLifecycleState(LifecycleState.RESUMED)
           .build();
    
         mReactRootView.startReactApplication(mReactInstanceManager, "ExampleRN", null);
    
         setContentView(mReactRootView);
       }
       ......
     }
     ```
    

    4.2. With RN >= 0.19.0

     ```java
     import com.chymtt.reactnativedropdown.DropdownPackage; // <----- import
    
     public class MainActivity extends ReactActivity {
         ...
    
         @Override
         protected List<ReactPackage> getPackages() {
           return Arrays.<ReactPackage>asList(
             new MainReactPackage(),
             new DropdownPackage() // <------ add here
           );
         }
     }
     ```
    

Usage

var Dropdown = require('react-native-dropdown-android');
...

  render() {
    return (
      <Dropdown
        style={{ height: 20, width: 200}}
        values={[ '--Choose--', 'one', 2, 3.5, { four: 4 }, [ 5, 6, 7 ], false ]}
        selected={1} onChange={(data) => { console.log(data); }} />
    );
  }

Props

style

Right now you should always and only provide its height and width, otherwise the dropdown won't show up at all

values

An array of options. This should be provided with an array of strings. Any type other than string will be converted to its string representation

selected

An int indicating which option (zero-based) is currently selected

onChange(data)

Callback with data in the form data = { selected: 1, value: 'one' }

Questions or suggestions?

Feel free to open an issue Pull requests are also welcome