ReactNativeAndroidAudioConverterModule.java 文件源码

/**
 * Function to convert a given audio file to MP3 format
 *
 * @param fileName        - input file name
 * @param errorCallback   - function called if the file could not be converted
 * @param successCallback - function called if the conversion was successful
 */
@ReactMethod
public void convertAudioFile(String fileName,
                             final Callback errorCallback,
                             final Callback successCallback) {
    File flacFile = new File(Environment.getExternalStorageDirectory(), fileName);
    Log.d("Output file location", Environment.getExternalStorageDirectory().toString() + fileName);


    IConvertCallback callback = new IConvertCallback() {
        @Override
        public void onSuccess(File convertedFile) {
            // So fast? Love it!
            Log.d("rnaac notice", "convert success");
            successCallback.invoke("convert success");
        }

        @Override
        public void onFailure(Exception error) {
            // Oops! Something went wrong
            errorCallback.invoke("convert failure: " + error.toString());
            Log.d("rnaac notice", error.toString());
            error.printStackTrace();
        }
    };
    AndroidAudioConverter.with(this.getReactApplicationContext())
            // Your current audio file
            .setFile(flacFile)

            // Your desired audio format
            .setFormat(AudioFormat.MP3)

            // An callback to know when conversion is finished
            .setCallback(callback)

            // Start conversion
            .convert();
}