android 保存网络图片到本地

╰+攻爆jí腚メ 2022-08-21 12:47 432阅读 0赞

//是否存在sdcard.
public boolean isSdcard() {
    try {
        return Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return false;
}
public String saveToSdCard(Bitmap bitmap, String filename) {
    String path = null;
    File file;
    if (isSdcard()) {
        file = new File(Environment.getExternalStorageDirectory() + "noClear/capture/photos/", filename + ".jpg");
        //如果文件夹不存在则创建
        if (!file.exists() && !file.isDirectory()) {
            file.mkdirs();
        }
    } else {
        file = new File(Environment.getRootDirectory() + "noClear/capture/photos/", filename + ".jpg");
        //如果文件夹不存在则创建
        if (!file.exists() && !file.isDirectory()) {
            file.mkdirs();
        }
    }
    try {
        FileOutputStream out = new FileOutputStream(file);
        bitmap.compress(Bitmap.CompressFormat.JPEG, 90, out);
        out.flush();
        out.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return file.getPath();
}