My Code is not working. Do not opening email via this code. Their shows a null error.

CodePudding user response：

Add this in AndroidManifest.xml just above of application

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

<queries>
    <intent>
        <action android:name="android.intent.action.VIEW" />
        <category android:name="android.intent.category.BROWSABLE" />
        <data android:scheme="https" />
    </intent>
    <!-- If your app opens https URLs -->
    <intent>
        <action android:name="android.intent.action.VIEW" />
        <data android:scheme="http" />
    </intent>
    <!-- If your app opens https URLs -->
    <intent>
        <action android:name="android.intent.action.VIEW" />
        <data android:scheme="https" />
    </intent>
</queries>

CodePudding user response：

In launch you are converting it to a string whereas it would require a uri to be launched. Remove .toString from the launch method

launch(emailLaunchUri);