How to simply call pictures, videos, audio, recording and taking photos in Android

//Select the image requestCode return logoIntent innerIntent = new Intent(Intent.ACTION_GET_CONTENT); //".GET_CONTENT"
(contentType); //View type String IMAGE_UNSPECIFIED = "image/*";Intent wrapperIntent = (innerIntent, null);
((Activity) context).startActivityForResult(wrapperIntent, requestCode);
//videoIntent innerIntent = new Intent(Intent.ACTION_GET_CONTENT);
(contentType); //String VIDEO_UNSPECIFIED = "video/*";
Intent wrapperIntent = (innerIntent, null);
((Activity) context).startActivityForResult(wrapperIntent, requestCode);
//Add audioIntent innerIntent = new Intent(Intent.ACTION_GET_CONTENT);
(contentType); //String VIDEO_UNSPECIFIED = "video/*";
Intent wrapperIntent = (innerIntent, null);
((Activity) context).startActivityForResult(wrapperIntent, requestCode);
//recordingIntent intent = new Intent(Intent.ACTION_GET_CONTENT);
(ContentType.AUDIO_AMR); //String AUDIO_AMR = "audio/amr";
("",
"");
((Activity) context).startActivityForResult(intent, requestCode);
//Shoot the videoint durationLimit = getVideoCaptureDurationLimit(); //("", 60);
Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
(MediaStore.EXTRA_VIDEO_QUALITY, 0);
(MediaStore.EXTRA_SIZE_LIMIT, sizeLimit);
(MediaStore.EXTRA_DURATION_LIMIT, durationLimit);
startActivityForResult(intent, REQUEST_CODE_TAKE_VIDEO);
//Take a photo REQUEST_CODE_TAKE_PICTURE is the returned identifierIntent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); //".IMAGE_CAPTURE";
(MediaStore.EXTRA_OUTPUT, .CONTENT_URI); // output,("content://mms/scrapSpace");
startActivityForResult(intent, REQUEST_CODE_TAKE_PICTURE);