Intents für Mail und Website

Beispielhaft wird anhand eines Impressums eine Beispiel für implizite Intents gegeben. Die Intents befinden sich in einem Fragment.

Xml Datei

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="16dp"
    tools:context=".ImprintFragment">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Impressum"
        android:textSize="20sp"
        android:textStyle="bold" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:paddingTop="8dp"
        android:text="Angaben gemäß § 5 TMG"
        android:textSize="16sp"
        android:textStyle="bold" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:paddingTop="4dp"
        android:text="David Höll"
        android:textSize="16sp" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Südstraße 33"
        android:textSize="16sp" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:paddingBottom="16dp"
        android:text="48153 Münster"
        android:textSize="16sp" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Kontakt"
        android:textSize="16sp"
        android:textStyle="bold" />

    <TextView
        android:id="@+id/tvEmail"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="E-Mail: info@hl-dev.de"
        android:autoLink="email"
        android:textSize="16sp" />

    <TextView
        android:id="@+id/tvWebsite"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:paddingBottom="16dp"
        android:text="Website: https://hl-dev.de"
        android:autoLink="web"
        android:textSize="16sp" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Redaktionell verantwortlich"
        android:textSize="16sp"
        android:textStyle="bold" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="David Höll"
        android:textSize="16sp" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Südstraße 33"
        android:textSize="16sp" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="48153 Münster"
        android:textSize="16sp" />

</LinearLayout>

Java Datei

public class ImprintFragment extends Fragment {

    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment_imprint, container, false);
    }

    @Override
    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);

        TextView tvEmail = view.findViewById(R.id.tvEmail);
        tvEmail.setOnClickListener(v -> callMailApp());
        TextView tvWebsite = view.findViewById(R.id.tvWebsite);
        tvWebsite.setOnClickListener(v -> callBrowserApp());
    }

    private void callBrowserApp() {
        String url = "https://hl-dev.de";
        Uri webpage = Uri.parse(url);
        Intent intent = new Intent(Intent.ACTION_VIEW, webpage);
        try {
            startActivity(intent);
        } catch (ActivityNotFoundException e) {
            Toast.makeText(getContext(), "No browser app installed", Toast.LENGTH_LONG).show();
        }
    }

    private void callMailApp() {
        Intent intent = new Intent(Intent.ACTION_SEND);
        intent.setType("plan/text");
        intent.putExtra(Intent.EXTRA_EMAIL, new String[]{"info@hl-dev.de"});
        try {
            startActivity(intent);
        } catch (ActivityNotFoundException e) {
            Toast.makeText(getContext(), "No mailing app installed", Toast.LENGTH_LONG).show();
        }
    }
}