zhaozepeng / androidaudiocamerapermission Goto Github PK

    int hasCameraPermission = PackageManager.PERMISSION_GRANTED;
    if (Build.VERSION.SDK_INT >= 23) {
        hasCameraPermission = context.checkSelfPermission(Manifest.permission.CAMERA);
    }else{
        Camera mCamera = null;

        try {
            mCamera = Camera.open(0);
            mCamera.setDisplayOrientation(90);
        } catch (Exception e) {
            Log.e(TAG, Log.getStackTraceString(e));
            hasCameraPermission = PackageManager.PERMISSION_DENIED;
        }

        if (hasCameraPermission == PackageManager.PERMISSION_GRANTED) {
            mCamera.release();
            mCamera = null;
        }
    }

    return hasCameraPermission == PackageManager.PERMISSION_GRANTED;
}

    int hasAudioPermission = PackageManager.PERMISSION_GRANTED;

    if (Build.VERSION.SDK_INT >= 23) {
        hasAudioPermission = context.checkSelfPermission(Manifest.permission.RECORD_AUDIO);
    }else {
        bufferSizeInBytes = 0;
        bufferSizeInBytes = AudioRecord.getMinBufferSize(sampleRateInHz,
                channelConfig, audioFormat);
        AudioRecord audioRecord = null;

        try {
            audioRecord = new AudioRecord(audioSource, sampleRateInHz,
                    channelConfig, audioFormat, bufferSizeInBytes);
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }

        //开始录制音频
        try {
            //防止某些手机崩溃，例如联想
            audioRecord.startRecording();
        } catch (IllegalStateException e) {
            e.printStackTrace();
            Log.e(TAG, Log.getStackTraceString(e));
            return false;
        }

        do {
            /**
             * 根据开始录音判断是否有录音权限
             */
            if (audioRecord.getRecordingState() != AudioRecord.RECORDSTATE_RECORDING
                    && audioRecord.getRecordingState() != AudioRecord.RECORDSTATE_STOPPED) {
                Log.e(TAG, "audioRecord.getRecordingState() != AudioRecord.RECORDSTATE_RECORDING : " + audioRecord.getRecordingState());
                //return false;
                hasAudioPermission = PackageManager.PERMISSION_DENIED;
                break;
            }

            if (audioRecord.getRecordingState() == AudioRecord.RECORDSTATE_STOPPED) {
                //如果短时间内频繁检测，会造成audioRecord还未销毁完成，此时检测会返回RECORDSTATE_STOPPED状态，再去read，会读到0的size，所以此时默认权限通过
                //return true;
                hasAudioPermission = PackageManager.PERMISSION_GRANTED;
                break;
            }

            byte[] bytes = new byte[1024];
            int readSize = audioRecord.read(bytes, 0, 1024);
            if (readSize == AudioRecord.ERROR_INVALID_OPERATION || readSize <= 0) {
                Log.e(TAG, "readSize illegal : " + readSize);
                //return false;
                hasAudioPermission = PackageManager.PERMISSION_DENIED;
            }
        }while(false);

        audioRecord.stop();
        audioRecord.release();
        audioRecord = null;
        //return true;
    }

    return hasAudioPermission == PackageManager.PERMISSION_GRANTED;
}