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@emedinaa
Last active December 17, 2015 11:49
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Fundamentos Java
package com.area51.projects.pappjavafundamentos;
public class Nino extends Persona
{
}
package com.area51.projects.pappjavafundamentos;
import android.util.Log;
public class Persona {
private int edad=10;
private String nombre="Eduardo";
private String apellidos ="Medina";
private void correr()
{
Log.v("console","CORRER");
};
public void dormir()
{
}
public int sumar(int _valor1,int _valor2)
{
return _valor1+_valor2;
}
public int getEdad() {
return edad;
}
public void setEdad(int edad) {
this.edad = edad;
}
public String getNombre() {
return nombre;
}
public void setNombre(String nombre) {
this.nombre = nombre;
}
public String getApellidos() {
return apellidos;
}
public void setApellidos(String apellidos) {
this.apellidos = apellidos;
};
}
package com.area51.pappactivity;
import android.net.Uri;
import android.os.Bundle;
import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
public class LoginActivity extends Activity implements OnClickListener{
private Button btnLogin;
private EditText txtUserName, txtPassword;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
//inicializando controles
btnLogin=(Button)findViewById(R.id.btnLogin);
txtUserName=(EditText)findViewById(R.id.txtUserName);
txtPassword=(EditText)findViewById(R.id.txtPassword);
//events
btnLogin.setOnClickListener(this);
/*Intent intent=new Intent(this, MainActivity.class);
startActivity(intent);*/
/*String url="http://area51.pe/";
Intent intent=new Intent(Intent.ACTION_VIEW);
intent.setData(Uri.parse(url));*/
//startActivity(intent);
//--------------------------------
/*try {
String phoneNumber="tel:976052576";
Intent intent2=new Intent(Intent.ACTION_DIAL);
intent2.setData(Uri.parse(phoneNumber));
startActivity(intent2);
} catch (ActivityNotFoundException e) {
// TODO: handle exception
}*/
}
@Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
}
@Override
protected void onStop() {
// TODO Auto-generated method stub
super.onStop();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.login, menu);
return true;
}
@Override
public void onClick(View e)
{
// TODO Auto-generated method stub
if(e.getId()==R.id.btnLogin)
{
//acciòn
}
}
}
package com.area51.projects.pappjavafundamentos;
import java.util.Random;
import android.os.Bundle;
import android.app.Activity;
import android.util.Log;
import android.view.Menu;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//codeando
// Tipos de Datos -----------------------------------
byte a=100;
byte b=-50;
short s=10000;
short r=-20000;
int sueldo=5000;
double precio=200.50;
boolean casado=false;//true
Character letterA='A';
String mensaje="Hola Mundo";
//Arrays --------------------------------------------
String[] dias={"lunes","martes","miercoles","jueves","viernes"};
double[] pares={2,4,6,8,10};
//CONDICIONALES ------------------------------------------
int numero=35;
if(numero>20 && numero<40)
{
Log.v("console","En este rango");
}else
{
Log.v("console","No esta en el rango");
}
int edad=20;
if(edad<18)
{
Log.v("console","menor de edad");
}else if(edad==18)
{
Log.v("console","tiene 18");
}else if(edad>18)
{
Log.v("console","mayor 18");
}
if(casado)
{
}
if(numero%2==0)
{
System.out.print("Es un número par");
Log.v("console","Es un número par");
}else
{
System.out.print("Es un número impar");
Log.v("console","Es un número impar");
}
/* Log.v("console",mensaje);//ctrl+alt+flecha abajo
Log.v("console","letterA "+letterA);//ctrl+flecha abajo
Log.v("console","casado "+casado);
Log.v("console","dias length "+dias.length);
Log.v("console","dias [0] "+dias[0]);
Log.v("console","dias ùltimo elemento "+dias[dias.length-1]);
Log.v("console","pares "+pares[0]);
Log.v("console","precio"+precio);*/
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
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