我正在使用相机意图进行工作。在 Android 10 中一切都很正常,但在 Android 11 中,结果代码为 0。
清单权限
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
带有文件创建的意图函数:
private void openCameraApp()
{
Intent picIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE).
addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
try {
String file_path = Environment.getExternalStorageDirectory().toString() +
"/" + mContext.getResources().getString(R.string.app_name);
File dir = new File(file_path);
if (!dir.exists())
dir.mkdirs();
imagePath = new File(dir, mContext.getResources().getString(R.string.app_name) + System.currentTimeMillis() + ".png");
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
picIntent.putExtra(MediaStore.EXTRA_OUTPUT, FileProvider.getUriForFile(mContext, BuildConfig.APPLICATION_ID, imagePath));
setUri(FileProvider.getUriForFile(mContext, BuildConfig.APPLICATION_ID, imagePath));
} else {
picIntent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(imagePath));
setUri(Uri.fromFile(imagePath));
}
((Activity) mContext).startActivityForResult(picIntent, CAMERA_REQUEST);
} catch (Exception e) {
logger.e(e);
}
}
我已经在Manifest文件的应用程序标签中添加了android:requestLegacyExternalStorage="true"