如何在Android上获取设备音频级别的百分比？

int sampleRate = 44100; // 采样率
int channelConfig = AudioFormat.CHANNEL_IN_MONO; // 单声道
int audioFormat = AudioFormat.ENCODING_PCM_16BIT; // 16位PCM编码
int bufferSize = AudioRecord.getMinBufferSize(sampleRate, channelConfig, audioFormat);

AudioRecord audioRecord = new AudioRecord(MediaRecorder.AudioSource.MIC, sampleRate, channelConfig, audioFormat, bufferSize);

short[] buffer = new short[bufferSize]; // 缓冲区

audioRecord.startRecording();

while (isRecording) {
    int bytesRead = audioRecord.read(buffer, 0, bufferSize);
    // 在这里处理音频数据
}

double sum = 0;

for (int i = 0; i < bytesRead; i++) {
    sum += buffer[i] * buffer[i];
}

double amplitude = Math.sqrt(sum / bytesRead);
double percentage = (amplitude / 32767) * 100; // 将振幅转换为百分比

audioRecord.stop();
audioRecord.release();