在Android 11及更高版本中,Google已经对相机权限进行了更严格的限制。因此,您需要提供许多新的权限并遵循新的安全机制,以便应用程序可以访问设备上的Camera API。
以下是可以解决Camera Intent在API 30+上工作不正确的代码示例:
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { if (checkSelfPermission(Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED) { Intent i = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); startActivityForResult(i, CAPTURE_IMAGE_REQUEST); } else { requestPermissions(new String[]{Manifest.permission.CAMERA}, REQUEST_CAMERA_PERMISSION); } } else { Intent i = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); startActivityForResult(i, CAPTURE_IMAGE_REQUEST); }
Bitmap bitmap = null;
if (requestCode == CAPTURE_IMAGE_REQUEST && resultCode == RESULT_OK) { Uri photoUri = data.getData(); if (photoUri != null) { try { bitmap = MediaStore.Images.Media.getBitmap(this.getContentResolver(), photoUri); } catch (IOException e) { e.printStackTrace(); } } else { Bundle extras = data.getExtras(); if (extras != null) { bitmap = (Bitmap) extras.get("data"); } } } //如果拍照成功就设置ImageView显示相机拍摄的图片 if (bitmap != null) { imgView.setImageBitmap(bitmap); }
通过遵循这些步