Apps Help on code

[rtfpessoa]

I'm making my first android app and i'm having some problems.
Can anybody help me creating an app with one button that when is pressed a Number in the screen increases one value.

My actual code:

package com.rodrigo;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class Contador_IAED extends Activity {
    /** Called when the activity is first created. */
	int count;
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
    
    Button startButton = (Button) findViewById(R.id.trigger);
    startButton.setOnClickListener(new View.OnClickListener() {
    	public void onClick(View view) { 
    		++count;
    		}
    	
    });
    TextView tv = (TextView) findViewById(R.id.hello_text);
    tv.setText(count);
}}

 

[idavis]

You need to have the button update the text:

startButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
++count;
TextView tv = (TextView) findViewById(R.id.hello_text);
tv.setText(count);
}
});