How to Add Manifest Permission to an Application

How to add manifest permission to an application?

Assuming you do not have permissions set from your LogCat error description, here is my contents for my AndroidManifest.xml file that has access to the internet:

<manifest xlmns:android...>
 ...
 <uses-permission android:name="android.permission.INTERNET" />
 <application ...
</manifest>

Other than that, you should be fine to download a file from the internet.

How to add multiple permissions? one from manifest and one from runtime at same time

First, check the permissions are granted which you will need.

        int rc1 = ActivityCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE);
        int rc2 = ActivityCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE);
        int rc3 = ActivityCompat.checkSelfPermission(this, Manifest.permission.CAMERA);
        int rc4 = ActivityCompat.checkSelfPermission(this, Manifest.permission.INTERNET);

        if (rc1 == PackageManager.PERMISSION_GRANTED &&
                rc2 == PackageManager.PERMISSION_GRANTED &&
                rc3 == PackageManager.PERMISSION_GRANTED &&
                rc4 == PackageManager.PERMISSION_GRANTED) {
            allGoodProceed();
        } else {
            requestPermission();
        }

then call requestPermission method.

    private void requestPermission() {
            final String[] permissions = new String[]{Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.CAMERA,
Manifest.permission.INTERNET};

            boolean isPermissionDeniedPermanent = false;

            for (int i = 0, len = permissions.length; i < len; i++) {
                String permission = permissions[i];

                if (ActivityCompat.checkSelfPermission(this, permissions[i]) == PackageManager.PERMISSION_DENIED) {
                    // user rejected the permission
                    boolean showRationale = shouldShowRequestPermissionRationale(permission);

                    if (showRationale) {
                        isPermissionDeniedPermanent = showRationale;
                    }
                }
            }

            if (isPermissionDeniedPermanent) {
                                showPermissionsDialog();
            } else {
                if (!ActivityCompat.shouldShowRequestPermissionRationale(this,
                        Manifest.permission.CAMERA)) {
                    ActivityCompat.requestPermissions(this, permissions, HANDLE_STORAGE_PERMISSION);
                }
            }
        }

Also, override onRequestPermissionsResult method to check permissions result.

    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
                                           @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        boolean isSomePermissionsMissing = false;
        for (int i = 0, len = permissions.length; i < len; i++) {
            if (ActivityCompat.checkSelfPermission(this, permissions[i]) == PackageManager.PERMISSION_DENIED) {
                isSomePermissionsMissing = true;
            }
        }

        if (isSomePermissionsMissing) {
            showPermissionsDialog();
        } else {
            //all good proceed...
        }
    }


private void showPermissionsDialog() {
    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setTitle("Action required").setMessage("To proceed you have to grant some permissions");
    builder.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
        @Override
        public void onClick(DialogInterface dialog, int which) {
            Intent intent = new Intent();
            intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
            Uri uri = Uri.fromParts("package", getPackageName(), null);
            intent.setData(uri);
            startActivity(intent);
        }
    });
    builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
        @Override
        public void onClick(DialogInterface dialog, int which) {

        }
    });

    AlertDialog alertDialog=builder.create();
    alertDialog.show();
}

You can add the permissions to be checked before proceeding as you need. Please revert back if this resolves your query.

I added to manifest, but android permission but it is missing

In newer android versions you must request certain permissions from the user at runtime in addition to declaring them in the Manifest.

See the official documentation for more info

Hope this helps.

Adding Permissions in AndroidManifest.xml in Android Studio?

You can only type them manually, but the content assist helps you there, so it is pretty easy.

Add this line

<uses-permission android:name="android.permission."/> 

and hit ctrl + space after the dot (or cmd + space on Mac). If you need an explanation for the permission, you can hit ctrl + q.

Denying a permission to a specific library/module

We need our app to have this permission, but the SDK must not have it.

That is not a thing, sorry.

if our app has READ_CONTACTS permission, does that also grant this permission to SDK?

Yes. There is no difference between a library and code that you typed in yourself.

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