| 1 | import { Observable } from 'rxjs/Observable';
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| 2 | /**
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| 3 | * @name DB Meter
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| 4 | * @description This plugin defines a global DBMeter object, which permits to get the decibel values from the microphone.
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| 5 | * @usage
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| 6 | * ```typescript
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| 7 | * import { DBMeter } from 'ionic-native';
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| 8 | *
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| 9 | *
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| 10 | * // Start listening
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| 11 | * let subscription = DBMeter.start().subscribe(
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| 12 | * data => console.log(data)
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| 13 | * );
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| 14 | *
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| 15 | * // Check if we are listening
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| 16 | * DBMeter.isListening().then(
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| 17 | * (isListening: boolean) => console.log(isListening)
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| 18 | * );
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| 19 | *
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| 20 | * // Stop listening
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| 21 | * subscription.unsubscribe();
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| 22 | *
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| 23 | * // Delete DBMeter instance from memory
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| 24 | * DBMeter.delete().then(
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| 25 | * () => console.log('Deleted DB Meter instance'),
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| 26 | * error => console.log('Error occurred while deleting DB Meter instance')
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| 27 | * );
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| 28 | * ```
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| 29 | */
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| 30 | export declare class DBMeter {
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| 31 | /**
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| 32 | * Starts listening
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| 33 | * @returns {Observable<any>} Returns an observable. Subscribe to start listening. Unsubscribe to stop listening.
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| 34 | */
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| 35 | static start(): Observable<any>;
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| 36 | /**
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| 37 | * Stops listening
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| 38 | * @private
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| 39 | */
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| 40 | static stop(): Promise<any>;
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| 41 | /**
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| 42 | * Check if the DB Meter is listening
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| 43 | * @returns {Promise<boolean>} Returns a promise that resolves with a boolean that tells us whether the DB meter is listening
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| 44 | */
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| 45 | static isListening(): Promise<boolean>;
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| 46 | /**
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| 47 | * Delete the DB Meter instance
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| 48 | * @returns {Promise<any>} Returns a promise that will resolve if the instance has been deleted, and rejects if errors occur.
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| 49 | */
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| 50 | static delete(): Promise<any>;
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| 51 | }
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