How to handle the ActivityNotFoundException?

Question

In my app , I need to use startActivity to see the content of the file , or use the default application to open the certain file , but sometimes the android system may not i

Answer 1

You can use resolveActivity method

    if (intent.resolveActivity(getPackageManager()) != null) {
        startActivity(intent);
    }else {
        Toast.makeText(this,"No suitable app found!",Toast.LENGTH_SHORT).show();
    }