Apps Switching activities

[Yathushan]

Hi all,
I have just started on my first app. I was just wondering how can I move from one activity to another.
I have used onClickListeners. It does not seem to work for me even though I have pretty much followed every tutorial I can find step by step.

mainmenu.java

package com.transport.assistant;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class mainmenu extends Activity {
	/** Called when activity is initially created. */
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		
		 // click-handlers for buttons
		Button underground = (Button) findViewById(R.id.ButtonM1);
		underground.setOnClickListener(new View.OnClickListener() {
			
			public void onClick(View v) {
				Intent myIntent = new Intent(view.getContext(), underground.class);
                		startActivityForResult(myIntent, 0);
			}
			
		});
	}
}

main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">
    
    <TextView
    android:id="@+id/textView1"
    android:layout_height="wrap_content"
    android:layout_width="match_parent"
    android:text="@string/app_name">
    </TextView>
    
    <Button
    android:id="@+id/ButtonM1"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:text="@string/Underground">
    </Button>
    
    <Button
    android:id="@+id/ButtonM2"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:text="@string/Bus">
    </Button>
    
    <Button
    android:id="@+id/ButtonM3"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:text="@string/oyster_locations">
    </Button>
    
    <Button android:id="@+id/ButtonM4"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:text="@string/plan_journey">
    </Button>
    
    <Button
    android:id="@+id/ButtonM5"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:text="@string/Settings">
    </Button>
    
</LinearLayout>

Any advise would be much appreciated!!

 

[Tapirboy]

You are using the intent wrong, the second argument, Class, should be a class of the Activity you want to start, like OtherActivity.class.

Intent  i = new Intent(mainmenu.this, OtherActivity.class);

 

[Yathushan]

Hey I tried this. It does not work. I have just modified the code but it still doesn't bring up the next screen.

 

[cr5315]

Instead of

startActivityForResult(myIntent, 0);

try

startActivity(myIntent);

Along with the change Tapirboy had for the line before this one.

Intent  myIntent = new Intent(mainmenu.this, OtherActivity.class);
startActivity(myIntent);

 

[Yathushan]

Still does not seem to work.

I just want to clarify. These are initial menus. So that once you start up that app it shows main.xml . Then you click on buttonM1 which takes you to the next menu set, underground.xml . I was wondering whether the second screen needed specific coding as well.

 

[cr5315]

There shouldn't be any special code in the next activity, although, in the code you posted, you were launching for result, which is different than just launching the activity.
I have made many apps that launch new activities and the code I provided works just fine for me. I'm going to try to build a replica of what you've provided so far and see if I can get it working.

 

[Yathushan]

I was just wondering is there any other way for me to display two screens as in one view and then proceed into a brand new view after they select a button?