android,如何将位图转换为文件对象

希望对你有帮助

private static void persistImage(Bitmap bitmap, String name) {
File filesDir = getAppContext().getFilesDir();
File imageFile = new File(filesDir, name + ".jpg");

OutputStream os;
try {
  os = new FileOutputStream(imageFile);
  bitmap.compress(Bitmap.CompressFormat.JPEG, 100, os);
  os.flush();
  os.close();
} catch (Exception e) {
  Log.e(getClass().getSimpleName(), "Error writing bitmap", e);
  }
}