通过调用系统照相机拍摄视频并将其复制到指定的文件夹下。

 Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);

//0为匹配的标示符，和返回的requestCode对应。

@Override    protected void onActivityResult(int requestCode, int resultCode, Intent intent) {        super.onActivityResult(requestCode, resultCode, intent);        Log.i(RecordActivity.this.toString(), "录制结果" + "requestCode:" + requestCode + ", " +                "" + "resultCode:" + resultCode + ", data:" + intent.toString() + intent.getData().toString());        //如果返回的request代码和startActivityForResult的代码不匹配或录制取消则直接返回        if(requestCode != 0){            return ;        }else if(resultCode != -1){            return;        }        //通过Uri获取文件的绝对地址        Uri uri = intent.getData();        Cursor cursor = this.getContentResolver().query(uri, null, null,                null, null);        String filePath = null;        if (cursor != null && cursor.moveToNext()) {            int id = cursor.getInt(cursor.getColumnIndex(MediaStore.Video.VideoColumns._ID));            filePath = cursor.getString(cursor.getColumnIndex(MediaStore.Video.VideoColumns.DATA));            cursor.close();        }        //将文件拷贝到制定的文件夹下        if(null != filePath){            File tmpFile = new File(filePath);            String fileSuffix = filePath.substring(filePath.lastIndexOf("."));            if(tmpFile.exists()){                String localPath = UserAccount.getInstance().getLocalDir("video/")+nameEdit.getText()+fileSuffix;                File localFile = new File(localPath);                tmpFile.renameTo(localFile);                tmpFile.delete();                Log.i(RecordActivity.this.toString(), "文件地址"+filePath+localFile.getAbsolutePath());            }        }    }