android拍照、相冊選取的方法询吴，權(quán)限獲取用的RxPermissions掠河。

拍照

private Uri outputFileUri; //返回文件uri

public void camera() {
        if (SdkVersionUtils.hasMarshmallow()) { //6.0
            rxPermissions
                    .request(Manifest.permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE) //相機亮元、外部存儲卡權(quán)限
                    .subscribe(granted -> {
                        if (granted) { // Always true pre-M
                            if (SdkVersionUtils.hasN()) { //7.0 獲取uri
                                mFile = FileUtils.createImageFile();
                                ContentValues contentValues = new ContentValues(1);
                                contentValues.put(MediaStore.Images.Media.DATA, mFile.getAbsolutePath());
                                outputFileUri = getContext().getContentResolver().insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,contentValues);
                            } else {
                                mFile = FileUtils.createImageFile();
                                outputFileUri = Uri.fromFile(mFile);
                            }
                            Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                            intent.putExtra(MediaStore.EXTRA_OUTPUT, outputFileUri);
                            if (intent.resolveActivity(getActivity().getPackageManager()) != null) {
                                startActivityForResult(intent, Constant.TAKE_PHOTO);
                            }
                        } else if (shouldShowRequestPermissionRationale(Manifest.permission.CAMERA)) {
                            ToastUtils.showShortToast(getContext(),"已拒絕權(quán)限");
                            FileUtils.deleteFile(mFile);
                        } else {
                            ToastUtils.showShortToast(getContext(),"獲取權(quán)限失敗猛计，需去系統(tǒng)設(shè)置中打開");
                            FileUtils.deleteFile(mFile);
                        }
                    });
        } else {
            mFile = FileUtils.createImageFile();
            outputFileUri = Uri.fromFile(mFile);
            Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
            intent.putExtra(MediaStore.EXTRA_OUTPUT, outputFileUri);
            if (intent.resolveActivity(getActivity().getPackageManager()) != null) {
                startActivityForResult(intent, Constant.TAKE_PHOTO);
            }
        }
    }

相冊

 public void album() {
        if (SdkVersionUtils.hasMarshmallow()) {
            rxPermissions
                    .request(Manifest.permission.READ_EXTERNAL_STORAGE)
                    .subscribe(granted -> {
                        if (granted) {
                            Intent intent = new Intent();
                            intent.setType("image/*");
                            intent.setAction(Intent.ACTION_GET_CONTENT);
                            startActivityForResult(intent, Constant.IMPORT_IMG);
                        } else if (shouldShowRequestPermissionRationale(Manifest.permission.READ_EXTERNAL_STORAGE)) {
                            ToastUtils.showShortToast(mContext, "已拒絕讀取外部存儲卡權(quán)限");
                        } else {
                            ToastUtils.showShortToast(mContext, "獲取外部存儲卡權(quán)限失敗，需去系統(tǒng)設(shè)置中打開");
                        }
                    });
        } else {
            Intent intent = new Intent();
            intent.setType("image/*");
            intent.setAction(Intent.ACTION_GET_CONTENT);
            startActivityForResult(intent, Constant.IMPORT_IMG);
        }
    }