📜  保存位图文件以在 android 10 上共享 - Java 代码示例

📅  最后修改于: 2022-03-11 14:52:45.802000             🧑  作者: Mango

代码示例1
private void saveImage(Bitmap bitmap, @NonNull String name) throws IOException {
    boolean saved;
    OutputStream fos;

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
        ContentResolver resolver = mContext.getContentResolver();
        ContentValues contentValues = new ContentValues();
        contentValues.put(MediaStore.MediaColumns.DISPLAY_NAME, name);
        contentValues.put(MediaStore.MediaColumns.MIME_TYPE, "image/png");
        contentValues.put(MediaStore.MediaColumns.RELATIVE_PATH, "DCIM/" + IMAGES_FOLDER_NAME);
        Uri imageUri = resolver.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, contentValues);
        fos = resolver.openOutputStream(imageUri);
    } else {
        String imagesDir = Environment.getExternalStoragePublicDirectory(
                Environment.DIRECTORY_DCIM).toString() + File.separator + IMAGES_FOLDER_NAME;

        File file = new File(imagesDir);

        if (!file.exists()) {
            file.mkdir();
        }

        File image = new File(imagesDir, name + ".png");
        fos = new FileOutputStream(image)

    }

    saved = bitmap.compress(Bitmap.CompressFormat.PNG, 100, fos);
    fos.flush();
    fos.close();
}