How To Add Back Button With Option Menu In Title Bar android studio - Androidpro.in

 Step – 1 Add this Java code down to the main activity

ActionBar actionBar = getSupportActionBar();

        actionBar.setDisplayHomeAsUpEnabled(true);

//

        getSupportActionBar().setDisplayHomeAsUpEnabled(true);

 

Step – 2 paste code up to last closing brasher in main activity

 @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        // Inflate the menu; this adds items to the action bar if it is present.

        getMenuInflater().inflate(R.menu.menu_main_activity2, menu);

        return true;

    }

    @Override

    public boolean onOptionsItemSelected(MenuItem item) {

        int id = item.getItemId();

        switch (id) {

            case R.id.action_settings:

                Uri uri = Uri.parse("market://details?id=" + getPackageName());

                Intent goToMarket = new Intent(Intent.ACTION_VIEW, uri);

                // To count with Play market backstack, After pressing back button,

                // to taken back to our application, we need to add following flags to intent.

                goToMarket.addFlags(Intent.FLAG_ACTIVITY_NO_HISTORY |

                        Intent.FLAG_ACTIVITY_NEW_DOCUMENT |

                        Intent.FLAG_ACTIVITY_MULTIPLE_TASK);

                try {

                    startActivity(goToMarket);

                } catch (ActivityNotFoundException e) {

                    startActivity(new Intent(Intent.ACTION_VIEW,

                            Uri.parse("https://play.google.com/store/apps/details?id=in.app.androidpro.htmlcourse" + getPackageName())));

                }

//                Toast.makeText(getApplicationContext(), "Item 1 Selected", Toast.LENGTH_LONG).show();

                return true;

            case R.id.action_settings1:

                ApplicationInfo api = getApplicationContext().getApplicationInfo();

                String apkpath = api.sourceDir;

                Intent intent = new Intent(Intent.ACTION_SEND);

                intent.setType("application/vnd.android.package-archive");

                intent.putExtra(Intent.EXTRA_STREAM,Uri.fromFile(new File(apkpath)));

                startActivity(Intent.createChooser(intent,"ShareVia"));

//                Toast.makeText(getApplicationContext(), "Item 2 Selected", Toast.LENGTH_LONG).show();

                return true;

            case R.id.action_settings2:

                Intent intent4 = new Intent(Intent.ACTION_VIEW);

                intent4.setData(Uri.parse("https://play.google.com/store/apps/developer?id=Androidpro"));

                startActivity(intent4);

//                Toast.makeText(getApplicationContext(), "Item 3 Selected", Toast.LENGTH_LONG).show();

                return true;

            case android.R.id.home:

                finish();

                return true;

            default:

                return super.onOptionsItemSelected(item);

        }}

 

Step 3 (Menu file name) menu_main_activity2.xml

<menu xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:app="http://schemas.android.com/apk/res-auto"

    xmlns:tools="http://schemas.android.com/tools"

    tools:context="in.app.androidpro.htmlcourse.MainActivity2">

    <item

        android:id="@+id/action_settings"

        android:orderInCategory="100"

        android:title="Rate"

        app:showAsAction="never" />

    <item

        android:id="@+id/action_settings1"

        android:orderInCategory="100"

        android:title="Share "

        app:showAsAction="never" />

    <item

        android:id="@+id/action_settings2"

        android:orderInCategory="100"

        android:title="More App"

        app:showAsAction="never" />

</menu>

 

Now your project is ready