/**
     * 保存图片到相册
     */
    public static boolean saveImgToPics(Context context, String path) {
        try {
            ContentResolver mResolver = context.getContentResolver();
            String insertImage = MediaStore.Images.Media.insertImage(mResolver, path, "name", "description");
            //需进行此转换操作，否则保存的图片时间为1970年的，会出现在相册的最上面
            String absPath = getRealPathFromUri(Uri.parse(insertImage), context);
            if (TextUtils.isEmpty(absPath)) {
                CrashReport.postCatchedException(new Exception("保存图片到相册失败，absPath=" + absPath));
                return false;
            }
            context.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.fromFile(new File(absPath))));
            return true;
        } catch (Exception e) {
            CrashReport.postCatchedException(e);
            return false;
        }
    }

    /**
     * 得到绝对地址
     */
    private static String getRealPathFromUri(Uri contentUri, Context context) {
        String[] proj = {MediaStore.Images.Media.DATA};
        Cursor cursor = context.getContentResolver().query(contentUri, proj, null, null, null);
        try {
            int columnIndex = 0;
            if (cursor != null) {
                columnIndex = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
                cursor.moveToFirst();
                return cursor.getString(columnIndex);
            } else {
                return "";
            }
        } catch (Exception e) {
            CrashReport.postCatchedException(e);
            return "";
        } finally {
            if (cursor != null) {
                cursor.close();
            }
        }
    }

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