Examples with RxPermissionTransformer com.xxf.permission.transformer.RxPermissionTransformer used on opensource projects

Example 1 with RxPermissionTransformer

use of com.xxf.permission.transformer.RxPermissionTransformer in project xxf_android by NBXXF.

the class SystemUtils method selectFileUri.

/**
 * 获取文件的uri 但是不是真实的文件路径
 * 建议 UriUtils.getPath(activity, uri); 但是对于android 10 大文件拷贝较慢  2G==3s拷贝时间
 *
 * @param activity
 * @param mimeTypes
 * @return
 */
public static Observable<Uri> selectFileUri(final FragmentActivity activity, String[] mimeTypes) {
    Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
    intent.addCategory(Intent.CATEGORY_OPENABLE);
    intent.setType("*/*");
    intent.putExtra(Intent.EXTRA_MIME_TYPES, mimeTypes);
    return XXF.requestPermission(activity, Manifest.permission.WRITE_EXTERNAL_STORAGE).compose(new RxPermissionTransformer(activity, Manifest.permission.WRITE_EXTERNAL_STORAGE)).flatMap(new Function<Boolean, ObservableSource<Uri>>() {

        @Override
        public ObservableSource<Uri> apply(Boolean aBoolean) throws Throwable {
            return XXF.startActivityForResult(activity, intent, REQUEST_CODE_DOCUMENT).flatMap(new Function<ActivityResult, ObservableSource<Uri>>() {

                @Override
                public ObservableSource<Uri> apply(ActivityResult activityResult) throws Throwable {
                    if (!activityResult.isOk()) {
                        return Observable.empty();
                    }
                    return Observable.just(activityResult.getData().getData());
                }
            }).observeOn(AndroidSchedulers.mainThread());
        }
    });
}

Example 2 with RxPermissionTransformer

use of com.xxf.permission.transformer.RxPermissionTransformer in project xxf_android by NBXXF.

the class SystemUtils method saveImageToAlbum.

/**
 * 保存图片到相册
 * 自动请求权限 没有权限报异常 {@link PermissionDeniedException}
 *
 * @param context
 * @param picName 是name 不说full path
 * @param bmp
 * @return
 */
public static Observable<File> saveImageToAlbum(FragmentActivity context, String picName, Bitmap bmp) {
    return XXF.requestPermission(context, Manifest.permission.WRITE_EXTERNAL_STORAGE).compose(new RxPermissionTransformer(context, Manifest.permission.WRITE_EXTERNAL_STORAGE)).flatMap(new Function<Boolean, ObservableSource<File>>() {

        @Override
        public ObservableSource<File> apply(Boolean aBoolean) throws Exception {
            return Observable.fromCallable(new Callable<File>() {

                @Override
                public File call() throws Exception {
                    // 其次把文件插入到系统图库
                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
                        ContentValues values = new ContentValues();
                        values.put(MediaStore.MediaColumns.DISPLAY_NAME, picName);
                        values.put(MediaStore.MediaColumns.MIME_TYPE, com.xxf.utils.FileUtils.getMimeType(picName));
                        values.put(MediaStore.MediaColumns.RELATIVE_PATH, Environment.DIRECTORY_DCIM);
                        ContentResolver contentResolver = context.getContentResolver();
                        Uri uri = contentResolver.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);
                        if (uri == null) {
                            throw new RuntimeException("图片保存失败");
                        }
                        OutputStream fos = contentResolver.openOutputStream(uri);
                        bmp.compress(Bitmap.CompressFormat.PNG, 100, fos);
                        fos.flush();
                        fos.close();
                        return new File(UriUtils.getPath(applicationContext, uri));
                    } else {
                        File appDir = applicationContext.getExternalFilesDir(Environment.DIRECTORY_PICTURES);
                        if (!appDir.exists()) {
                            appDir.mkdir();
                        }
                        // 文件的名称设置为 系统时间.jpg
                        File file = new File(appDir, picName);
                        try {
                            FileOutputStream fos = new FileOutputStream(file);
                            bmp.compress(Bitmap.CompressFormat.PNG, 100, fos);
                            fos.flush();
                            fos.close();
                        } catch (FileNotFoundException e) {
                            e.printStackTrace();
                        } catch (IOException e) {
                            e.printStackTrace();
                        }
                        MediaScannerConnection.scanFile(context, new String[] { file.getAbsolutePath() }, new String[] { com.xxf.utils.FileUtils.getMimeType(file.getAbsolutePath()) }, new MediaScannerConnection.OnScanCompletedListener() {

                            @Override
                            public void onScanCompleted(String path, Uri uri) {
                            }
                        });
                        // 锤子8.1 必须下面这种扫描方式
                        MediaStore.Images.Media.insertImage(context.getContentResolver(), file.getAbsolutePath(), picName, null);
                        context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.fromFile(file)));
                        return file;
                    }
                }
            }).subscribeOn(Schedulers.io()).observeOn(AndroidSchedulers.mainThread());
        }
    });
}