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Document @NativeClass and co.

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#12 2 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
35/100
Issue type
Documentation
Clarity
Mostly clear
Activity status
Stale
Tech stack
android, ios, typescript

Research direction

Start by reviewing the existing NativeScript documentation structure and the Android example in this issue, then identify the current guidance for @NativeClass, @ObjCProtocols, @JavaProxy, and @Interfaces. Document common Android and iOS native-access patterns, including delegates, and ensure each annotation's usage and purpose are explained.

Written by the indexing model from the issue text.

Description

From @vallemar

...how and when to use the @NativeClass or @Interface annotations, also how to add delegates in iOS. In general, how to access native under the most common situations

Example android class
@NativeClass()
@Interfaces([android.hardware.SensorEventListener])
class SensorEventListenerAndroid
  extends java.lang.Object
  implements android.hardware.SensorEventListener
{
  callback: (event: number[]) => void;
  callbackOnAccuracyChanged: (
    sensor: android.hardware.Sensor,
    accuracy: number
  ) => void;

  constructor(callback: (data) => void) {
    super();
    this.callback = callback;
    return global.__native(this);
  }

  onAccuracyChanged(sensor: android.hardware.Sensor, accuracy: number): void {
    if (this.callbackOnAccuracyChanged) {
      this.callbackOnAccuracyChanged(sensor, accuracy);
    }
  }

  onSensorChanged(event: android.hardware.SensorEvent): void {
    if (!event || (event.values.length === 0 && event.values[0])) return;
    this.callback(event.values as number[]);
  }
}

export { SensorEventListenerAndroid };

Document:

  • @NativeClass
  • @ObjCProtocols
  • @JavaProxy
  • @Interfaces
  • ... ?

Eventually, we'll consolidate all of these into the @NativeClass as parameters, but until then, let's document all of these.

Dominant language
JavaScript
Stars
17
Forks
31
Avg merge
8h 51m
Merged PRs (30d)
2

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