Hi,
Please bear with me, I am a newbie geriatric who started programming
when computers had discrete transistors and am only now returning
after about a decade of forced retirement. Spent the last year
using .NET and now trying to come to grips with Android/Java.
Evidently, I still need to purchase some more books, but in the
mantime, someone out there might be able to put me back onto the
straight and narrow.
OVERVIEW: In the manifest I start with 'inthebeginning' activity.
This does nothing more than start another activity called
MainMenuActivity which in turn has three buttons, each of which calls
their own activity. InTheBeginningActivity works fine and amazed me
that I actually got something working so easily.
InTheBeginningActivity
package com.cit.BroadcastSim;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
public class InTheBeginningActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.splash); // Inflate the
inthebeginning.xml file
startActivity(new Intent(this, MainMenuActivity.class));
// Since we wont be coming back to this activity ever again
InTheBeginningActivity.this.finish();
}
}
Now for the troublesome one. Although there are three buttons, I have
only tried coding one adn have come a cropper.
package com.cit.BroadcastSim;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.Button;
import android.view.*;
public class MainMenuActivity extends Activity {
// Launched by InTheBeginningActivity.
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.mainmenu); // Inflate the
mainmenu.xml file
// Set up listeners for the three menu buttons
// Broadcast, Setup and Exit
// Firstly we have to find the buttons.
// We do this by using their IDs and findViewById()
Button btnBroadcast = (Button)
this.findViewById(R.id.btnBroadcast);
btnBroadcast.setOnClickListener(new View.OnClickListener(){
public void onClick(View v){
// Start Activity Class Broadcast
startActivity(new Intent(this,
BroadcastActivity.class));
// Since we wont be coming back to this activity ever
again
MainMenuActivity.this.finish();
}
});
}
}
The line with startActivity has a lightbulb with a red x :-( and teh
error message when I hover over it is:
The constructor Intent(new View.OnClickListener(){},Class
<BroadcastActivity>) is undefined
Everything within brackets is underlined in red and when I hover it I
get the same as above with a hyperlinked hint
remove arguments to match Intent()
which works, the error goes, but then I am left with
startActivity(new Intent());
which doesn't do very much!
Have scratched my head till all the hair has fallen out, so can
someone out there in programming land tell me (gently) what I am doing
wrong.
Thanks
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