Intent拍照

    private void takePicture() {
        String photoPath = getFilesDir() + "/Pictures/";
        Intent intent  = new Intent();
        intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
        intent.addCategory(Intent.CATEGORY_DEFAULT);
        Uri uri = FileProvider.getUriForFile(this, "com.tct.rxproject.provider", new File(photoPath + "aaa.jpg"));
        intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_GRANT_READ_URI_PERMISSION
                | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
        startActivityForResult(intent, 0);
    }