相机应用程序在 Marshmallow API 23 中运行良好，但是在 API 中拍摄大于 23 的相机时崩溃

Question

I created a simple app to taking photos that will store in the SURVEYASSIST folder in the SD card. It is working fine in my mobile Redmi 3s prime (Android version Marshmallow 6.0.1), but when I open the app in Redmi Note 5 pro (Oreo 8.1.0) and click on the camera button, the app is crashing. And error code is attaching as seen in the image.

public class MainActivity extends AppCompatActivity {

    public static final int CAPTURE_IMAGE_FULLSIZE_ACTIVITY_REQUEST_CODE = 1777;
    private DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    public static final String Demo_ImagePath ="/storage/emulated/0/SURVEYASSIST/";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Button button = (Button) findViewById(R.id.button);

        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");
                String imgcurTime = dateFormat.format(new Date());
                String _path = Demo_ImagePath + File.separator + imgcurTime + ".jpg";
                File file = new File(_path);

                intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(file));
                startActivityForResult(intent, CAPTURE_IMAGE_FULLSIZE_ACTIVITY_REQUEST_CODE);
            }
        });
    }
}

Answer 1

The FileUriExposedException is what is being thrown. From documentation :

The exception that is thrown when an application exposes a file:// Uri to another app.

There's a good article on how to fix this here but I will summarize in case the link goes dead at some point:

1. Add this to your manifest:

    <manifest...> <application...> <provider android:name="android.support.v4.content.FileProvider" android:authorities="${applicationId}.provider" android:exported="false" android:grantUriPermissions="true"> <meta-data android:name="android.support.FILE_PROVIDER_PATHS" android:resource="@xml/provider_paths"/> </provider> </application>

2. Create XML file res/xml/provider_paths.xml

    <?xml version="1.0" encoding="utf-8"?> <paths xmlns:android="http://schemas.android.com/apk/res/android"> <external-path name="external_files" path="."/> </paths>

3. Change your code: From:

    intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(file));

   To:

    Uri apkURI = FileProvider.getUriForFile( this, this.getApplicationContext().getPackageName() + ".provider", file); intent.setDataAndType(apkURI, "image/*"); intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);