I am just a beginner in app dev and referring the documentation wanted to build an email sending app using Implicit Intents. this works well when we write
Intent intent = new Intent(Intent.ACTION_SEND);
intent.setType("*/*");
but when we write the following code to filter out only the mailing app it makes a toast saying that No app is installed which i have made in order to prevent my app from misbehaving.
Below is the simple code pls read it for once
package com.example.emailsender;
//necessary imports
public class MainActivity extends AppCompatActivity {
//necessary variables edittext em, subject& button sub(submit)
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
em = findViewById(R.id.editTextTextEmailAddress);
subject = findViewById(R.id.sub);
sub = findViewById(R.id.button);
sub.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
String ema=em.getText().toString();
String emails[]=ema.split(",");
String s = subject.getText().toString();
Intent intent = new Intent(Intent.ACTION_SENDTO);
intent.setData(Uri.parse("mailto:"));
intent.putExtra(Intent.EXTRA_EMAIL, emails);
intent.putExtra(Intent.EXTRA_SUBJECT, s);
if (intent.resolveActivity(getPackageManager()) != null) {
startActivity(intent);
}
else
Toast.makeText(MainActivity.this, "No app is installed", Toast.LENGTH_SHORT).show();
}
});
}
}