Pdf Creation Using Android Native API (Above Kitkat OS version)

This is the activity class

public class MainActivity extends AppCompatActivity {
    int docX, docY; // holds the size of an A4 page    int viewX, viewY; // holds the size of your view    float scaleX, scaleY;
    TextView one, two, three;

    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        final RelativeLayout con = (RelativeLayout) findViewById(R.id.totlay);
        one = (TextView) findViewById(R.id.one);
        three = (TextView) findViewById(R.id.three);
        two = (TextView) findViewById(R.id.two);
        ViewTreeObserver vto = con.getViewTreeObserver();
        vto.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
            @Override            public void onGlobalLayout() {
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                    if (checkSelfPermission(Manifest.permission.READ_EXTERNAL_STORAGE)
                            != PackageManager.PERMISSION_GRANTED) {
                        // We will need to request the permission                        if (shouldShowRequestPermissionRationale(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
                            // Explain to the user why we need to read the storage                            Toast.makeText(MainActivity.this, "Signature will saved as image", Toast.LENGTH_SHORT).show();
                        }

                        requestPermissions(new String[]{Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.WRITE_EXTERNAL_STORAGE},
                                1);
                    } else {
                        File FilesFolder = new File(Environment.getExternalStorageDirectory() + File.separator, "PasuraContent");
                        if (!FilesFolder.exists()) {
                            FilesFolder.mkdirs();
                        }
                        File TheFile = new File(FilesFolder, "PdfCretion.pdf");
                        try {
                            boolean b = TheFile.createNewFile();
                            if (b == true) {
                                Toast.makeText(MainActivity.this, "file created" + TheFile.getAbsolutePath(), Toast.LENGTH_SHORT).show();
                            } else {
                                Toast.makeText(MainActivity.this, "not created", Toast.LENGTH_SHORT).show();
                            }
                        } catch (IOException e) {
                            e.printStackTrace();
                        }

                        try {
                            PrintAttributes printAttributes = new PrintAttributes.Builder().setColorMode(PrintAttributes.COLOR_MODE_COLOR).
                                    setMediaSize(PrintAttributes.MediaSize.ISO_A4).
                                    setMinMargins(new PrintAttributes.Margins(10, 10, 10, 10)).build();
                            PrintedPdfDocument Doc = new PrintedPdfDocument(MainActivity.this, printAttributes);
                            docY = Doc.getPageHeight();
                            docX = Doc.getPageWidth();


// use arrayList item for id terminology change your layout is now referred to as a View
                            viewY = con.getHeight();
                            viewX = con.getWidth();
                            one.setText("hi this is sunil");
                            two.setText("i am here to check pdf creation");
                            three.setText("result?");
                            scaleX = (float) docX / viewX; // this will be lower or higher than 1.0                            scaleY = (float) docY / viewY; // higher increasing the size lower decreasing                            PdfDocument.Page currentPage = Doc.startPage(0);

// draw something on the page con being the view that you’ve created  and //  scale it before drawing it
                            Canvas draw = currentPage.getCanvas();

                            draw.scale(scaleX, scaleY);

                            con.draw(draw);

// finish the page and assign it to the document to be later be transferred                            Doc.finishPage(currentPage);
                            try {
                                Doc.writeTo(new FileOutputStream(TheFile));

/* self explanitory really write whats been queued in Doc to the file we create whats worth saying is that a String value required for OutputFile not a File type */                            } catch (FileNotFoundException e) {
                                e.printStackTrace();
                            } catch (IOException e) {
                                e.printStackTrace();
                            }

//close the document                            Doc.close();
                        } catch (Exception e) {
                            e.printStackTrace();
                        }
                    }
                }
            }
        });


    }

    @Override    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        switch (requestCode) {
            case 1:
                try {

                } catch (Exception e) {
                    Log.v("Gestures", e.getMessage());
                    e.printStackTrace();
                }

                break;
        }
    }
}

And Here is xml layout

<?xml version="1.0" encoding="utf-8"?><RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:id="@+id/totlay"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:paddingBottom="@dimen/activity_vertical_margin"    android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    tools:context="pmgnt.gwebitsol.com.pdfcreate.MainActivity">

    <TextView        android:id="@+id/one"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="Hello World!" />
    <TextView        android:id="@+id/two"        android:layout_below="@id/one"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="Hello World!" />
    <TextView        android:id="@+id/three"        android:layout_below="@id/two"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="Hello World!" />
    <TextView     android:layout_below="@id/three"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="Hello World!" />
</RelativeLayout>