Share Image via whatsapp

gistfile1.txt

public Bitmap takeScreenshot() {
        View rootView = findViewById(android.R.id.content).getRootView();
        rootView.setDrawingCacheEnabled(true);
        return rootView.getDrawingCache();
    }

    private String saveImage(Bitmap finalBitmap) {
        File myDir = new File(Environment.getExternalStorageDirectory().toString() + "/GoodOffers");
        myDir.mkdirs();
        String fname = "GoodOffers_"+ mData.mOffers +".jpeg";
        File file = new File(myDir, fname);
        if (file.exists()) file.delete ();
        try {
            FileOutputStream out = new FileOutputStream(file);
            finalBitmap.compress(Bitmap.CompressFormat.JPEG, 100, out);
            out.flush();
            out.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return file.getAbsolutePath();
    }

    private void shareImage(String uri) {
        Intent intent = new Intent();
        intent.setAction(Intent.ACTION_SEND);
        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
        intent.setType("image/jpeg");
        intent.putExtra(android.content.Intent.EXTRA_SUBJECT, "GoodOffers");
        intent.putExtra(android.content.Intent.EXTRA_TEXT,  R.string.share_offer+R.string.playstore_url+ getApplicationContext().getPackageName());
        intent.setPackage("com.whatsapp");
        File mFile = new File(uri);
        Uri uris = FileProvider.getUriForFile(View_Offer.this, BuildConfig.APPLICATION_ID + ".provider",mFile);
        intent.putExtra(Intent.EXTRA_STREAM, uris);
        try {
            startActivity(Intent.createChooser(intent, "Share Screenshot"));
        } catch (ActivityNotFoundException e) {
            Toast.makeText(this, "No App Available", Toast.LENGTH_SHORT).show();
        }

    }


//Provider xml

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