Aplicaciones de Android

INDICE1. Hola Mundo

2. WalPaper3. Acelerometro

4. Galeria5. Calculadora

6. Camara7. CheckBox8. Radio Button

9. Giroscopio10. Sonidos animales

11. Widget12. Notificacion13. Navegador

14. Progress Bar15. ToggleButton

16. PhoneGap17. List View

18. Navegador19 VideoView

20. BD insertar21. BD eliminar22. BD modificar23. BD consultar

CODIGO XML

< ImageView android:id="@+id/image" android:layout_width="match_parent" android:layout_height="200dp" android:src="@drawable/image" />

< ImageView android:id="@+id/image1" android:layout_width="100sp" android:layout_height="100sp" android:src="@drawable/image1" />

< ImageView android:id="@+id/image10" android:layout_width="100sp" android:layout_height="100sp" android:src="@drawable/image10" /> </LinearLayout><Button android:id="@+id/cambiar" android:layout_width="200sp" android:layout_marginLeft="55sp" android:layout_height="70sp" android:layout_marginTop="20sp" android:background="#FF6699" android:text = "Cambiar fondo de pantalla" /></LinearLayout>

CODIGO JAVA

package tania.wallpaper;

import android.app.Activity;import android.app.WallpaperManager;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.*;

public class MainActivity extends Activity implements OnClickListener {ImageView image, image1, image2, image3, image4, image5, image6, image7,

image8, image9, image10;Button btn;int fondo;

@Overrideprotected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);image = (ImageView) findViewById(R.id.image);image1 = (ImageView) findViewById(R.id.image1);image2 = (ImageView) findViewById(R.id.image2);image3 = (ImageView) findViewById(R.id.image3);image4 = (ImageView) findViewById(R.id.image4);image5 = (ImageView) findViewById(R.id.image5);image6 = (ImageView) findViewById(R.id.image6);image7 = (ImageView) findViewById(R.id.image7);image8 = (ImageView) findViewById(R.id.image8);image9 = (ImageView) findViewById(R.id.image9);image10 = (ImageView) findViewById(R.id.image10);btn = (Button) findViewById(R.id.cambiar);image.setOnClickListener(this);image1.setOnClickListener(this);

image2.setOnClickListener(this);image3.setOnClickListener(this);image4.setOnClickListener(this);image5.setOnClickListener(this);image6.setOnClickListener(this);image7.setOnClickListener(this);image8.setOnClickListener(this);image9.setOnClickListener(this);image10.setOnClickListener(this);btn.setOnClickListener(this);

public void onClick(View v) {switch (v.getId()) {case R.id.image1:

image.setImageResource(R.drawable.image1);fondo = R.drawable.image1;break;

case R.id.image2:image.setImageResource(R.drawable.image2);fondo = R.drawable.image2;break;

case R.id.cambiar:WallpaperManager mywp = WallpaperManager

.getInstance(getApplicationContext());try {

mywp.setResource(fondo);} catch (Exception e) {

e.printStackTrace();}Toast.makeText(this, "Se ha cambiado tu fondo de pantalla",

Toast.LENGTH_LONG).show();

break; } } }

ACELEROMETRO

El primer texview es para

El segundo texview es para

El tercer texview es para Z

Aplicamos un Protected void

onResume

Protected onCreate

Implementamos los metodos

Librerias

Nuestro resultado final es este

CODIGO XML

</RelativeLayout>

CODIGO JAVA

package tania.acelerometro;

import java.util.List;import android.hardware.Sensor;

import android.hardware.SensorEvent;import android.hardware.SensorEventListener;import android.hardware.SensorManager;import android.os.Bundle;import android.app.Activity;import android.content.pm.ActivityInfo;import android.view.Menu;import android.widget.TextView;

public class MainActivity extends Activity implements SensorEventListener {TextView x, y, z;private Sensor mAccelerometer;

super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);x = (TextView) findViewById(R.id.textView1);y = (TextView) findViewById(R.id.textView2);z = (TextView) findViewById(R.id.textView3);

this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);}

protected void onResume() {super.onResume();SensorManager sm = (SensorManager) getSystemService(SENSOR_SERVICE);List<Sensor> sensors = sm.getSensorList(Sensor.TYPE_ACCELEROMETER);if (sensors.size() > 0) {

sm.registerListener(this, sensors.get(0),SensorManager.SENSOR_DELAY_GAME);

protected void onPause() {SensorManager mSensorManager = (SensorManager)

getSystemService(SENSOR_SERVICE);mSensorManager.unregisterListener(this, mAccelerometer);super.onPause();

protected void onStop() {SensorManager mSensorManager = (SensorManager)

getSystemService(SENSOR_SERVICE);mSensorManager.unregisterListener(this, mAccelerometer);super.onStop();

@Overridepublic void onAccuracyChanged(Sensor arg0, int arg1) {}

@Overridepublic void onSensorChanged(SensorEvent event) {

this.x.setText("X=" + event.values[SensorManager.DATA_X]);this.y.setText("X=" + event.values[SensorManager.DATA_Y]);this.z.setText("X=" + event.values[SensorManager.DATA_Z]);

GALLERY

RESULTADO FINAL DE LA APP

CODIGO XML

< ImageView android:id="@+id/image1" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_gravity="center_horizontal" android:background="#000000" android:paddingTop="5dp" android:paddingBottom="5dp" android:paddingLeft="10dp" android:paddingRight="10dp" android:src="@drawable/pic7" />

</LinearLayout>

CODIGO DE JAVA

package androidinterview.com.androidgalleryview;import android.app.Activity;import android.content.Context;import android.content.res.TypedArray;import android.os.Bundle;import android.view.View;import android.view.ViewGroup;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.BaseAdapter;import android.widget.Gallery;import android.widget.ImageView;import android.widget.Toast;@SuppressWarnings("deprecation")public class MainActivity extends Activity {

Integer[] imageIDs = { R.drawable.pic1, R.drawable.pic2, R.drawable.pic3,

R.drawable.pic4, R.drawable.pic5, R.drawable.pic6, R.drawable.pic7 };

super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);Gallery gallery = (Gallery) findViewById(R.id.gallery1);gallery.setAdapter(new ImageAdapter(this));

gallery.setOnItemClickListener(new OnItemClickListener() {public void onItemClick(AdapterView<?> parent, View v,int position, long

id) {switch(position){case 1:

Toast.makeText(getBaseContext(),"DBZ Magin Boo Mr Satan Absorbido" + (position) + " seleccionada",Toast.LENGTH_SHORT).show();

break;case 2:

Toast.makeText(getBaseContext(),"DBZ Magin Boo Vegito Absorbido" + (position) + " seleccionada",Toast.LENGTH_SHORT).show();

break;case 3:

Toast.makeText(getBaseContext(),"Mi Pequeña La Adoro" + (position) + " seleccionada",Toast.LENGTH_SHORT).show();

break;case 4:

Toast.makeText(getBaseContext(),"Uniforme Paris Saint-Germain" + (position) + " seleccionada",Toast.LENGTH_SHORT).show();

break;case 5:

Toast.makeText(getBaseContext(),"DBZ Magin Boo Hecho Cosita" + (position) + " seleccionada",Toast.LENGTH_SHORT).show();

break;case 6:

Toast.makeText(getBaseContext(),"Cosita" + (position) + " seleccionada",Toast.LENGTH_SHORT).show();

break;case 7:

Toast.makeText(getBaseContext(),"Hecho Cosita" + (position) + " seleccionada",Toast.LENGTH_SHORT).show();

break;case 8:

Toast.makeText(getBaseContext(),"Hola" + (position) + " seleccionada",Toast.LENGTH_SHORT).show();

break;case 9:

Toast.makeText(getBaseContext(),"XD" + (position) + " seleccionada",Toast.LENGTH_SHORT).show();

break;case 10:

Toast.makeText(getBaseContext(),"Descupcion" + (position) + " seleccionada",Toast.LENGTH_SHORT).show();

break;}ImageView imageView = (ImageView) findViewById(R.id.image1);imageView.setImageResource(imageIDs[position]);

}public class ImageAdapter extends BaseAdapter {

private Context context;private int itemBackground;public ImageAdapter(Context c) {

context = c;TypedArray a =

obtainStyledAttributes(R.styleable.MyGallery);itemBackground = a.getResourceId(

R.styleable.MyGallery_android_galleryItemBackground, 0);a.recycle();

}public int getCount() {

return imageIDs.length;}

public Object getItem(int position) {return position;

}public long getItemId(int position) {

return position;}public View getView(int position, View convertView, ViewGroup parent)

{ImageView imageView = new ImageView(context);imageView.setImageResource(imageIDs[position]);imageView.setLayoutParams(new Gallery.LayoutParams(100, 100));imageView.setBackgroundResource(itemBackground);return imageView;

CALCULADORA

ESULTADO FINAL

CODIGO XML

<TextView android:id="@+id/display" android:layout_width="match_parent" android:layout_height="match_parent"

android:layout_weight="1" android:background="@drawable/fondo" android:gravity="right" android:textColor="#FFFFFF" android:textSize = "30dp" /> </LinearLayout>

< Button android:id="@+id/siete" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight = "1" android:background="@drawable/imagen" android:text = "7" android:textColor="#FFFFFF" android:textSize = "40dp" />

< Button android:id="@+id/ocho" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:background="@drawable/imagen" android:text = "8" android:textColor="#FFFFFF" android:textSize = "40dp" />

< Button android:id="@+id/nueve" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:background="@drawable/imagen" android:text = "9" android:textColor="#FFFFFF" android:textSize = "40dp" />

< Button android:id="@+id/borrartodo" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:background="@drawable/imagess" android:text = "AC" android:textColor="#FFFFFF" /> </LinearLayout>

<LinearLayout

android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:orientation="horizontal" >

< Button android:id="@+id/cuatro" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight = "1" android:background="@drawable/imagen" android:text = "4" android:textColor="#FFFFFF" android:textSize = "40dp" />

< Button android:id="@+id/cinco" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:background="@drawable/imagen" android:text = "5" android:textColor="#FFFFFF" android:textSize = "40dp" />

< Button android:id="@+id/seis" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:background="@drawable/imagen" android:text = "6" android:textColor="#FFFFFF" android:textSize = "40dp" />

< Button android:id="@+id/mas" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:background="@drawable/imagess" android:text = "+" android:textColor="#FFFFFF" android:textSize = "40dp" /> </LinearLayout>

< Button android:id="@+id/uno" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight = "1" android:background="@drawable/imagen" android:text = "1" android:textColor="#FFFFFF" android:textSize = "40dp" />

< Button android:id="@+id/dos"

android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:background="@drawable/imagen" android:text = "2" android:textColor="#FFFFFF" android:textSize = "40dp" />

< Button android:id="@+id/tres" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:background="@drawable/imagen" android:text = "3" android:textColor="#FFFFFF" android:textSize = "40dp" />

< Button android:id="@+id/menos" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:background="@drawable/imagess" android:text = "-" android:textColor="#FFFFFF" android:textSize = "40dp" /> </LinearLayout>

< Button android:id="@+id/cero" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight = "1" android:background="@drawable/imagen" android:text = "0" android:textColor="#FFFFFF" android:textSize = "40dp" />

< Button android:id="@+id/punto" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:background="@drawable/imagess" android:text = "." android:textColor="#FFFFFF" android:textSize = "40dp" />

< Button android:id="@+id/igual" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:background="@drawable/imagess" android:text = "=" android:textColor="#FFFFFF" android:textSize = "40dp" />

< Button android:id="@+id/entre" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:background="@drawable/imagess" android:text = "/" android:textColor="#FFFFFF" android:textSize = "40dp" />

< Button android:id="@+id/por" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:background="@drawable/imagess" android:text = "*" android:textColor="#FFFFFF" android:textSize = "40dp" /> </LinearLayout>

</LinearLayout>

CODIGO DE JAVA

package tania.calculadora;import android.os.Bundle;import android.animation.ValueAnimator;import android.app.Activity;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.*;public class MainActivity extends Activity implements OnClickListener {

TextView display, anterior;float resultado = 0, num1 = 0, num2 = 0;int o = 0;boolean p = false, igual = false;

Button mas, menos, por, entre;Button DEL, AC;@Overrideprotected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);DEL = (Button) findViewById(R.id.borraruno);AC = (Button) findViewById(R.id.borrartodo);display = (TextView) findViewById(R.id.display);anterior = (TextView) findViewById(R.id.resultado);Button uno = (Button) findViewById(R.id.uno);Button dos = (Button) findViewById(R.id.dos);Button tres = (Button) findViewById(R.id.tres);Button cuatro = (Button) findViewById(R.id.cuatro);Button cinco = (Button) findViewById(R.id.cinco);Button seis = (Button) findViewById(R.id.seis);Button siete = (Button) findViewById(R.id.siete);Button ocho = (Button) findViewById(R.id.ocho);Button nueve = (Button) findViewById(R.id.nueve);Button cero = (Button) findViewById(R.id.cero);Button p = (Button) findViewById(R.id.punto);

Button igual = (Button) findViewById(R.id.igual);mas = (Button) findViewById(R.id.mas);menos = (Button) findViewById(R.id.menos);por = (Button) findViewById(R.id.por);entre = (Button) findViewById(R.id.entre);uno.setOnClickListener(this);dos.setOnClickListener(this);tres.setOnClickListener(this);cuatro.setOnClickListener(this);cinco.setOnClickListener(this);seis.setOnClickListener(this);siete.setOnClickListener(this);ocho.setOnClickListener(this);nueve.setOnClickListener(this);cero.setOnClickListener(this);p.setOnClickListener(this);igual.setOnClickListener(this);mas.setOnClickListener(this);menos.setOnClickListener(this);por.setOnClickListener(this);entre.setOnClickListener(this);DEL.setOnClickListener(this);AC.setOnClickListener(this);

}public void deshabilitar(){

mas.setEnabled(false);menos.setEnabled(false);por.setEnabled(false);entre.setEnabled(false);

}public void habilitar(){

mas.setEnabled(true);menos.setEnabled(true);por.setEnabled(true);entre.setEnabled(true);

}public boolean validar(){

if(display.getText().equals("")){Toast.makeText(this, "Falta Introducir

Número",Toast.LENGTH_SHORT).show();return false;

}else{if(o==0){num1=Float.parseFloat(display.getText().toString());}else{num2=Float.parseFloat(display.getText().toString());}return true;

}}public void borrar(){

display.setText("");anterior.setText("");resultado=0;num1=0;num2=0;

@Overridepublic void onClick(View v) {

switch(v.getId()){case R.id.mas:

if(validar()==true){if(igual==true)

{resultado=num1;igual=false;}else{resultado=0;}anterior.setText(num1+"+");

display.setText("");o=3;p=false;deshabilitar();

}break;

case R.id.menos:if(validar()==true){

if(igual==true){resultado=num1;igual=false;}else{resultado=0;}

anterior.setText(num1+"-");display.setText("");o=4;p=false;deshabilitar();

}break;

case R.id.por:if(validar()==true){

anterior.setText(num1+"*");display.setText("");o=5;p=false;deshabilitar();

}break;

case R.id.entre:if(validar()==true){

anterior.setText(num1+"/");display.setText("");o=6;p=false;deshabilitar();

}break;

case R.id.uno:if(igual==true){borrar(); igual=false;}display.append("1");break;

case R.id.dos:if(igual==true){borrar(); igual=false;}display.append("2");break;

case R.id.tres:if(igual==true){borrar(); igual=false;}display.append("3");break;

case R.id.cuatro:if(igual==true){borrar(); igual=false;}display.append("4");break;

case R.id.cinco:if(igual==true){borrar(); igual=false;}display.append("5");break;

case R.id.seis:if(igual==true){borrar(); igual=false;}display.append("6");break;

case R.id.siete:

if(igual==true){borrar(); igual=false;}display.append("7");break;

case R.id.ocho:if(igual==true){borrar(); igual=false;}display.append("8");break;

case R.id.nueve:if(igual==true){borrar(); igual=false;}display.append("9");break;

case R.id.cero:if(igual==true){borrar(); igual=false;}display.append("0");break;

case R.id.punto:if(p==false && igual==false){

display.append(".");p=true;

}else{if(p==false){if(resultado!=0){borrar();}display.append(".");p=true;igual=false;}

}break;

case R.id.borrartodo:borrar();habilitar();break;

case R.id.borraruno:String cad=display.getText().toString();if(!cad.equals("")){

char [] cadena=cad.toCharArray();String f="";for(int i=0;i<=cadena.length-2;i++){

f=f+cadena[i];}display.setText(f);

}else{Toast.makeText(this, "No hay

valores",Toast.LENGTH_SHORT).show();resultado=0;habilitar();

}break;

case R.id.igual:if(validar()==true){

switch(o){case 3: resultado=num1+num2;break;case 4: resultado=num1-num2;break;case 5: resultado=num1*num2;break;case 6: resultado=num1/num2;break;}

}o=0;p=false;num1=resultado;igual=true;habilitar();anterior.append(""+num2);display.setText(""+redondear(resultado));

CAMARA

RESULTADO FINAL

CODIGO XML

< ImageView android:id="@+id/imageviewfoto" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_below = "@+id/botoncapturar" android:layout_margin="35sp" /> </LinearLayout>

</LinearLayout>

CODIGO DE JAVA

package tania.camara;

import android.os.Bundle;import android.app.Activity;import android.content.Intent;import android.graphics.Bitmap;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.ImageView;public class camara extends Activity implements OnClickListener {

ImageView image;@Overrideprotected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);image = (ImageView) findViewById(R.id.action_settings);Button boton = (Button) findViewById(R.id.botoncapturar);boton.setOnClickListener(new OnClickListener() {

Intent intent = new Intent(

android.provider.MediaStore.ACTION_IMAGE_CAPTURE);startActivityForResult(intent, 0);

}@Overridepublic void onActivityResult(int requestCode, int resultCode, Intent data)

{super.onActivityResult(requestCode, resultCode, data);Bitmap bitmap = (Bitmap) data.getExtras().get("data");image.setImageBitmap(bitmap);

}@Overridepublic void onClick(View arg0) {

// TODO Auto-generated method stub}

CHECK BOX

RESULTADO FINAL

CODIGO XML

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#990000" android:gravity="center" android:orientation="vertical" tools:context=".Checkbox" >

<CheckBox android:id="@+id/cerealb" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="15sp" android:text = "BasquetBol"

android:textColor="#FFFFFF" android:textSize="20sp" />

</LinearLayout>

CODIGO DE JAVA

package tania.checkbox;import android.app.Activity;import android.app.Notification;import android.app.NotificationManager;import android.app.PendingIntent;import android.content.Context;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.CheckBox;import android.widget.Toast;public class MainActivity extends Activity implements OnClickListener {

String message = "";private CheckBox a, b, c;@Overridepublic void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);a = (CheckBox) findViewById(R.id.cereala);b = (CheckBox) findViewById(R.id.cerealb);c = (CheckBox) findViewById(R.id.cerealc);a.setOnClickListener(new OnClickListener() {

public void onClick(View v) {NotificationManager manager = (NotificationManager)

getSystemService(Context.NOTIFICATION_SERVICE);Notification notificacion = new Notification (

R.drawable. ic_launcher , "Tienes buen gusto" , System . currentTimeMillis ()) ;

Intent intent = new Intent(MainActivity.this,MainActivity.class);

PendingIntent pIntent = PendingIntent.getActivity(MainActivity.this, 0, intent, 0);

notificacion.setLatestEventInfo (MainActivity. this , "CheckBox" , "Seleccionaste una Casilla" , pIntent) ;

manager.notify(0, notificacion);

b.setOnClickListener(new OnClickListener() {

getSystemService(Context.NOTIFICATION_SERVICE);

Notification notificacion = new Notification ( R.drawable. ic_launcher , "Exacto!!!" , System . currentTimeMillis ()) ;

notificacion.setLatestEventInfo (MainActivity. this , "CheckBox" , "Seleccionaste UNa Casilla" , pIntent) ;

manager.notify(0, notificacion);}

});c.setOnClickListener(new OnClickListener() {

getSystemService(Context.NOTIFICATION_SERVICE);

Notification notificacion = new Notification ( R.drawable. ic_launcher , "Exacto!!!" , System . currentTimeMillis ()) ;

notificacion.setLatestEventInfo (MainActivity. this , "CheckBox" , "Seleccionaste UNa Casilla" , pIntent) ;

manager.notify(0, notificacion);}

@Overridepublic void onClick(View arg0) {

switch (arg0.getId()) {case R.id.cereala:

message = "Tu respuesta Futbool Es buen gusto";Toast.makeText(this, message, Toast.LENGTH_SHORT).show();

break;case R.id.cerealb:

message = "Tu respuesta Basquetbol Es Super";Toast.makeText(this, message, Toast.LENGTH_SHORT).show();

break;case R.id.cerealc:

message = "Tu respuesta es Voleibol Es Hermoso";Toast.makeText(this, message, Toast.LENGTH_SHORT).show();

break;

RADIO BUTTON

RESULTADO FINAL

CODIGO XML<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#666666" android:orientation="vertical" tools:context=".MainActivity" > <TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft = "true" android:layout_alignParentTop = "true" android:layout_marginLeft="18dp" android:layout_marginTop="18dp" android:text = "¿Qué te gusta comer mas?" android:textColor="#FFFF33" />

<RadioButton

android:id="@+id/b" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text = "CHATARRA" />

<RadioButton

android:id="@+id/g" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignLeft = "@+id/textView3" android:layout_below = "@+id/g" android:text = "NO" />

</LinearLayout>

CODIGO DE JAVA

package skriom.radiobuttin;import android.os.Bundle;import android.app.Activity;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.RadioButton;import android.widget.Toast;public class MainActivity extends Activity implements OnClickListener {

RadioButton radio1, radio2, radio3, radio4, radio5, radio6, radio7, radio8,radio9;

super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);radio1 = (RadioButton) findViewById(R.id.a);radio2 = (RadioButton) findViewById(R.id.b);radio3 = (RadioButton) findViewById(R.id.c);radio4 = (RadioButton) findViewById(R.id.d);radio5 = (RadioButton) findViewById(R.id.e);radio6 = (RadioButton) findViewById(R.id.f);radio7 = (RadioButton) findViewById(R.id.g);radio8 = (RadioButton) findViewById(R.id.h);radio9 = (RadioButton) findViewById(R.id.i);radio1.setOnClickListener(this);radio2.setOnClickListener(this);radio3.setOnClickListener(this);radio4.setOnClickListener(this);radio5.setOnClickListener(this);radio6.setOnClickListener(this);radio7.setOnClickListener(this);radio8.setOnClickListener(this);radio9.setOnClickListener(this);

public void onClick(View arg0) {switch (arg0.getId()) {case R.id.a:

Toast.makeText(this, "Estas Comiendo Saludable Sigue Asi",Toast.LENGTH_SHORT).show();

break;case R.id.b:

Toast.makeText(this, "Deberias Preocuparte Por Tu Salud",Toast.LENGTH_SHORT).show();

break;case R.id.c:

Toast.makeText(this, "Trata De Disminuir La Chatarra",Toast.LENGTH_SHORT).show();

break;case R.id.d:

Toast.makeText(this, "El refresco es malo para tu salud",

Toast.LENGTH_SHORT).show();break;

case R.id.e:Toast.makeText(this, "Sabes lo que te hace bien en el cuerpo",

Toast.LENGTH_SHORT).show();break;

case R.id.f:Toast.makeText(this,

"Disminuye un poco el refresco y bebe mas agua",Toast.LENGTH_SHORT).show();

break;case R.id.g:

Toast.makeText(this, "Debes comer cada tres horas",Toast.LENGTH_SHORT).show();

break;case R.id.h:

Toast.makeText(this, "Debes comer cada tres horas",Toast.LENGTH_SHORT).show();

break;case R.id.i:

Toast.makeText(this, "Perfecto tienes una dieta saludable",Toast.LENGTH_SHORT).show();

break;}

RADIO BUTTON

CODIGO XML<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <Button android:layout_width="match_parent" android:layout_height="20px" android:background="#000000"/> <view android:layout_width="fill_parent" android:layout_height="wrap_content" class="com.example.pelota.PelotaDibujar" android:id="@+id/view"/>

</LinearLayout>

CODIGO JAVApackage com.example.pelota;import android.os.Bundle;import android.view.*;import android.app.Activity;import android.content.pm.ActivityInfo;public class Pelota extends Activity { PelotaDibujar dibujo; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);

setContentView(R.layout.interfaz); setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); }}package com.example.pelota;import android.content.Context;import android.graphics.*;import android.hardware.*;import android.os.Bundle;import android.util.AttributeSet;import android.util.DisplayMetrics;import android.view.*;import android.widget.Toast;public class PelotaDibujar extends View implements SensorEventListener { Paint pincel = new Paint();

int alto, ancho;int ejeX=0,ejeY=0,ejeZ1=0,ejeZ=0;String X,Y,Z;Context contexto;CharSequence texto="Perdiste";int duracion=Toast.LENGTH_SHORT;public PelotaDibujar(Context interfaz, AttributeSet atributos){

super(interfaz, atributos);SensorManager smAdministrador = (SensorManager)

getContext().getSystemService(Context.SENSOR_SERVICE); Sensor snsRotacion = smAdministrador.getDefaultSensor(Sensor.TYPE_ACCELEROMETER); smAdministrador.registerListener(this, snsRotacion, SensorManager.SENSOR_DELAY_FASTEST); //Se obtienen las medidas de la pantalla Display pantalla = ((WindowManager) getContext() .getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay(); ancho = pantalla.getWidth () ; alto = pantalla.getHeight () ; setMinimumHeight(alto); setMinimumWidth(ancho); }

@Override public void onSensorChanged(SensorEvent cambio) {

ejeX-=cambio.values[0];X=Float.toString(ejeX);if (ejeX < 20){

ejeX = 20;}else if(ejeX > (ancho-20)){

ejeX = ancho-20;}ejeY+=cambio.values[1];Y=Float.toString(ejeY);if (ejeY < 20){

ejeY = 20;}else if(ejeY > alto-60){

ejeY = alto-60;}if (ejeZ <= 30){

ejeZ = 30;if (ejeZ>=80){

ejeZ=80;if (ejeZ > 150){

ejeZ=150;}

} @Override public void onDraw(Canvas lienzo) { lienzo.drawText("Te Quiero", ejeX+10, ejeY+20, pincel); lienzo.drawText("Alma Mariana <3", ejeX*4-(ejeX/10)*3, ejeY/5*6, pincel);

if(ejeX>=29 && ejeX<=31 && ejeY>=29 && ejeY<=31){ejeX=30;ejeY=30;

}pincel.setColor(Color.RED);lienzo.drawText("Eje 'X': "+X, 0, alto-75, pincel);pincel.setColor(Color.GREEN);lienzo.drawText("Eje 'Y': "+Y, 0, alto-60, pincel);if(ejeX!=60 || ejeY!=60){

invalidate();}

} @Override public void onAccuracyChanged(Sensor sensor, int accuracy) { // TODO Auto-generated method stub }}

SONIDOS DE ANIMALES

RESULTADO FINAL

CODIGO XML

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#CC66CC" android:orientation="vertical" tools:context=".MainActivity" >

< Button android:id="@+id/a1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin = "10px" android:layout_weight = "1" android:background="@drawable/burro" android:gravity="center" > </Button>

< Button android:id="@+id/a2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin = "10px" android:layout_weight="1" android:background="@drawable/caballo" android:gravity="center" > </Button>

< Button android:id="@+id/a3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin = "10px" android:layout_weight="1" android:background="@drawable/cerdo" android:gravity="center" > </Button> </LinearLayout>

< Button android:id="@+id/a4" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin = "10px" android:layout_weight = "1" android:background="@drawable/gato" android:gravity="center" > </Button>

< Button android:id="@+id/a5"

android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin = "10px" android:layout_weight="1" android:background="@drawable/obeja" android:gravity="center" > </Button>

< Button android:id="@+id/a6" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin = "10px" android:layout_weight="1" android:background="@drawable/oso" android:gravity="center" > </Button> </LinearLayout>

< Button android:id="@+id/a7" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin = "10px" android:layout_weight = "1" android:background="@drawable/pajaro" android:gravity="center" > </Button>

< Button android:id="@+id/a8" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin = "10px" android:layout_weight="1" android:background="@drawable/perro" android:gravity="center" > </Button>

< Button android:id="@+id/a9" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin = "10px" android:layout_weight="1" android:background="@drawable/vaca" android:gravity="center" > </Button> </LinearLayout>

</LinearLayout>

CODIGO JAVA

package tania.sonidos_animales;

import android.media.AudioManager;import android.media.SoundPool;import android.os.Bundle;import android.app.Activity;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;

public class MainActivity extends Activity implements OnClickListener {SoundPool sp;Button a1, a2, a3, a4, a5, a6, a7, a8, a9, a10;int b1, b2, b3, b4, b5, b6, b7, b8, b9, b10;

super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);a1 = (Button) findViewById(R.id.a1);a2 = (Button) findViewById(R.id.a2);a3 = (Button) findViewById(R.id.a3);a4 = (Button) findViewById(R.id.a4);a5 = (Button) findViewById(R.id.a5);a6 = (Button) findViewById(R.id.a6);a7 = (Button) findViewById(R.id.a7);a8 = (Button) findViewById(R.id.a8);a9 = (Button) findViewById(R.id.a9);a10 = (Button) findViewById(R.id.a10);a1.setOnClickListener((OnClickListener) this);a2.setOnClickListener((OnClickListener) this);a3.setOnClickListener((OnClickListener) this);a4.setOnClickListener((OnClickListener) this);a5.setOnClickListener((OnClickListener) this);a6.setOnClickListener((OnClickListener) this);a7.setOnClickListener((OnClickListener) this);a8.setOnClickListener((OnClickListener) this);a9.setOnClickListener((OnClickListener) this);a10.setOnClickListener((OnClickListener) this);sp = new SoundPool(8, AudioManager.STREAM_MUSIC, 0);b1 = sp.load(this, R.raw.burro, 1);b2 = sp.load(this, R.raw.caballo, 1);b3 = sp.load(this, R.raw.cerdo, 1);b4 = sp.load(this, R.raw.gato, 1);b5 = sp.load(this, R.raw.obeja, 1);b6 = sp.load(this, R.raw.oso, 1);b7 = sp.load(this, R.raw.pajaro, 1);

b8 = sp.load(this, R.raw.perro, 1);b9 = sp.load(this, R.raw.vaca, 1);b10 = sp.load(this, R.raw.pato, 1);

// TODO Auto-generated method stubswitch (v.getId()) {case R.id.a1:

sp.play(b1, 1, 1, 1, 0, 1);break;

case R.id.a2:sp.play(b2, 1, 1, 1, 0, 1);break;

WIDGET

RESULTADO FINAL

CODIGO XML<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#FFFF33" tools:context=".MainActivity" >

</RelativeLayout>}

CODIGO JAVA

package tania.widget;

import android.net.Uri;import android.os.Bundle;import android.app.Activity;import android.app.PendingIntent;import android.appwidget.AppWidgetManager;import android.appwidget.AppWidgetProvider;import android.content.Context;

import android.content.Intent;import android.view.Menu;import android.widget.RemoteViews;

public class MainActivity extends AppWidgetProvider {

public void onUpdate(Context context, AppWidgetManager appWidgetManager,int[] appWidgetIds) {

super.onUpdate(context, appWidgetManager, appWidgetIds);for (int i = 0; i < appWidgetIds.length; i++) {

int appWidget = appWidgetIds[i];Intent intent = new Intent(Intent.ACTION_VIEW,

Uri.parse("https://www.facebook.com"));PendingIntent padingIntent = PendingIntent.getActivity(context,

0,intent, 0);

RemoteViews vistas = new RemoteViews(context.getPackageName(),R.layout.activity_main);

vistas.setOnClickPendingIntent(R.id.abrir, padingIntent);appWidgetManager.updateAppWidget(appWidgetIds, vistas);

NOTIFICACIONES

RESULTADO FINAL

CODIGO XML<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#99FFFF" tools:context=".MainActivity" >

<Button android:id="@+id/btn" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignLeft="@+id/textView1" android:layout_below="@+id/textView1" android:layout_marginLeft="67dp" android:layout_marginTop="74dp"

android:text = "Notificacion" />

</RelativeLayout>

CODIGO DE JAVApackage tania.notificaciones;

import android.os.Bundle;import android.app.Activity;import android.view.Menu;import android.widget.RemoteViews;import android.widget.Button;import android.view.View;import java.util.Timer;import java.util.TimerTask;import android.app.Notification;import android.app.NotificationManager;import android.app.PendingIntent;import android.content.Intent;

public class MainActivity extends Activity {private final int NOTIFICATION_ID = 1010;

private void triggerNotification() {

NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

Notification notification = new Notification (R.drawable. ic_launcher , "¡Nuevo mensaje!" , System. currentTimeMillis ()) ;

RemoteViews contentView = new RemoteViews(getPackageName(),R.layout.activity_main);

contentView.setImageViewResource(R.id.action_settings,R.drawable.ic_launcher);

contentView.setTextViewText(R.id.action_settings,"Ey mundo! Esta es mi notificación personalizada.");

notification.contentView = contentView;

Intent notificationIntent = new Intent();PendingIntent contentIntent = PendingIntent.getActivity(this, 0,

notificationIntent, 0);notification.contentIntent = contentIntent;

notificationManager.notify(NOTIFICATION_ID, notification);}

super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);Button btn = (Button) findViewById(R.id.btn);

btn.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {

Timer timer = new Timer();TimerTask timerTask = new TimerTask() {

@Overridepublic void run() {

triggerNotification();

}};timer.schedule(timerTask, 0);

@Overridepublic 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;

NAVEGADOR

RESULTADO FINAL

CODIGO XML<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" >

<Button android:id="@+id/historial" android:layout_width="match_parent"

android:layout_height="fill_parent" android:layout_weight="4" android:background="@drawable/borrar" /> </LinearLayout>

</LinearLayout>

CODIGO JAVA

package striker.navegador;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.webkit.WebView;import android.widget.*;import android.app.Activity;

public class MainActivity extends Activity implements OnClickListener {

WebView mibuscador;EditText sitio;

super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);mibuscador = (WebView) findViewById(R.id.webview);String defecto = "https://www.google.com.mx";mibuscador.loadUrl(defecto);Button buscar = (Button) findViewById(R.id.buscar);Button atras = (Button) findViewById(R.id.atras);Button sig = (Button) findViewById(R.id.Siguiente);Button act = (Button) findViewById(R.id.actualizar);Button delete = (Button) findViewById(R.id.historial);sitio = (EditText) findViewById(R.id.Buscador);buscar.setOnClickListener(this);atras.setOnClickListener(this);sig.setOnClickListener(this);act.setOnClickListener(this);delete.setOnClickListener(this);

public void onClick(View v) {switch (v.getId()) {case R.id.buscar:

String sitioWeb = sitio.getText().toString();if (!sitioWeb.equals("")) {

mibuscador.loadUrl("https://" + sitioWeb);} else {

Toast.makeText(MainActivity.this, "No hay URL",Toast.LENGTH_LONG).show();

}break;

case R.id.atras:if (mibuscador.canGoBack()) {

mibuscador.goBack();}break;

case R.id.Siguiente:if (mibuscador.canGoForward()) {

mibuscador.goForward();}break;

case R.id.actualizar:mibuscador.reload();break;

case R.id.historial:mibuscador.clearHistory();Toast.makeText(MainActivity.this, "Historial Borrado",

Toast.LENGTH_LONG).show();break;

PROGRESS BAR

RESULTADO

<VideoView android:id="@+id/videoView1"

android:layout_width="match_parent" android:layout_height="wrap_content" />

</LinearLayout>

CODIGO JAVA

package meridame.progresbar;import android.app.Activity;import android.app.ProgressDialog;import android.content.Intent;import android.net.Uri;import android.os.Bundle;import android.os.Handler;import android.view.Menu;import android.view.MenuItem;import android.view.View;import android.widget.Button;import android.widget.MediaController;import android.widget.VideoView;import android.widget.MediaController;

public class MainActivity extends Activity {VideoView video;

Button b1; private ProgressDialog progressBar; private int progressBarStatus = 0; private Handler progressBarbHandler = new Handler(); private long fileSize = 0; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); b1=(Button)findViewById(R.id.button1); video=(VideoView) findViewById(R.id.videoView1); b1.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { progressBar = new ProgressDialog(v.getContext()); progressBar.setCancelable(true); progressBar.setMessage("Descargando..."); progressBar.setProgressStyle(ProgressDialog.STYLE_SPINNER); progressBar.setProgress(0); progressBar.setMax(100); progressBar.show(); progressBarStatus = 0; fileSize = 0; new Thread(new Runnable() { public void run() { while (progressBarStatus < 100) { progressBarStatus = downloadFile();

try { Thread.sleep(1000); } catch (InterruptedException e) { e.printStackTrace(); } progressBarbHandler.post(new Runnable() { public void run() { progressBar.setProgress(progressBarStatus); } }); } if (progressBarStatus >= 100) { try { Thread.sleep(2000); reproducir(); } catch (InterruptedException e) { e.printStackTrace(); } progressBar.dismiss(); } } }).start(); } }); } public int downloadFile() { while (fileSize <= 1000000) { fileSize++; if (fileSize == 100000) { return 10; } else if (fileSize == 200000) { return 20; } else if (fileSize == 300000) { return 30; } else if (fileSize == 400000) { return 40; } else if (fileSize == 500000) { return 50; } else if (fileSize == 700000) { return 70; } else if (fileSize == 800000) { return 80; } } return 100;

} public void reproducir(){

Uri path= Uri.parse("android.resource://meridane.video/" + R.raw.santaflow); video.setVideoURI(path); video.setMediaController(new MediaController(this)); video.start(); video.requestFocus(); } @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; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); //noinspection SimplifiableIfStatement if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); }

DB COMPLEMENTOS

RESULTADO FINAL

CODOGO XML

<Button android:id="@+id/ver" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="10sp"

android:layout_weight="1" android:background="#FFFFFF" android:onClick="Ver" android:text = "Ver" android:textSize="20sp" /> <Button android:id="@+id/borrar" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="10sp" android:layout_weight="1" android:background="#FFFFFF" android:onClick="Borrar" android:text = "Borrar" android:textSize="20sp" />

</LinearLayout>

</LinearLayout>

CODIGO DE JAVA

package com.Sparda.modificar;

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

public class Pricipal extends Activity {EditText eNombre, eApellido, eEdad,id;

TextView tVer; Button insertar, ver,buscar,borrar; int idm; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_pricipal); insertar = (Button)findViewById(R.id.insertar); ver = (Button)findViewById(R.id.ver); buscar = (Button)findViewById(R.id.buscar); borrar = (Button)findViewById(R.id.borrar); eNombre = (EditText)findViewById(R.id.nombre); id = (EditText)findViewById(R.id.id); eApellido = (EditText)findViewById(R.id.apellido); eEdad = (EditText)findViewById(R.id.edad); tVer = (TextView)findViewById(R.id.tver); } public void Insertar(View v){

String marca = eNombre.getText().toString(); String ram = eApellido.getText().toString(); String procesador = eEdad.getText().toString(); Compus p = new Compus(Pricipal.this); p.abrirSqlite(); p.insertar(marca, ram, procesador); p.cerrarSqlite();

} public void Ver(View v){ Compus p = new Compus(Pricipal.this); p.abrirSqlite(); String datos=p.ver(); p.cerrarSqlite(); tVer.setText(datos); }

public void Borrar(View v){

Compus p = new Compus(Pricipal.this); p.abrirSqlite(); p.elimina(idm); p.cerrarSqlite(); Toast.makeText(this,"Registro eliminado id="+idm,

Toast.LENGTH_LONG).show(); limpiar(); }

public void limpiar(){ eApellido.setText("");

eEdad.setText(""); eNombre.setText(""); id.setText(""); tVer.setText(""); } public void Modificar(View v){

String marca = eNombre.getText().toString(); String ram = eApellido.getText().toString(); String procesador = eEdad.getText().toString(); Compus p = new Compus(Pricipal.this); p.abrirSqlite(); p.modificar(idm, marca, ram, procesador); limpiar(); p.cerrarSqlite(); }

public void Buscar(View v){

if(id.length()==0){ Toast.makeText(this,"Introduce ID", Toast.LENGTH_LONG).show();

}else{ Compus p = new Compus(Pricipal.this); int i=Integer.parseInt(id.getText().toString()); p.abrirSqlite(); if(p.consultar(i)==false){ Toast.makeText(this,"Registro no encontrado",

Toast.LENGTH_LONG).show(); } idm=p.getId(); eNombre.setText(""+p.getMarca()); eApellido.setText(""+p.getRam()); eEdad.setText(""+p.getProcesador()); p.cerrarSqlite(); } }

import android.content.ContentValues;import android.content.Context;import android.database.Cursor;import android.database.sqlite.SQLiteDatabase;import android.widget.Toast;

public class Compus {String marca, ram , procesador;

int idn;Context contextoEjecucion;BaseDatos creador;SQLiteDatabase mDatos;

public Compus (Context c){contextoEjecucion = c;

}public Compus abrirSqlite(){

creador = new BaseDatos (contextoEjecucion);mDatos = creador.getWritableDatabase();return this;

}public void elimina(int id){

creador = new BaseDatos (contextoEjecucion);mDatos = creador.getReadableDatabase();String sql = ("delete from compus where id="+id);mDatos.execSQL(sql);

}public void insertar(String marca, String ram, String procesador){

creador = new BaseDatos (contextoEjecucion);mDatos = creador.getReadableDatabase();String sql = ("insert into compus(marca,ram,procesador)

values('"+marca+"','"+ram+"','"+procesador+"')");mDatos.execSQL(sql);

}public void modificar(int id,String marca, String ram, String procesador){

creador = new BaseDatos (contextoEjecucion);mDatos = creador.getReadableDatabase();String sql = ("update compus set marca='"+marca+"', ram='"+ram+"',

procesador='"+procesador+"' where id="+id);mDatos.execSQL(sql);

public boolean consultar(int id){creador = new BaseDatos (contextoEjecucion);mDatos = creador.getReadableDatabase();String sql = ("Select * from compus where id="+id);Cursor cur = mDatos.rawQuery(sql, null);if(cur.getCount()==0){

return false;}else{

cur.moveToFirst();idn=cur.getInt(0);marca=cur.getString(1);ram=cur.getString(2);procesador=cur.getString(3);

return true;}

}public String getMarca(){

return marca;}public String getRam(){

return ram;}public String getProcesador(){

return procesador;}public int getId(){

return idn;}public String ver(){

String datos="";creador = new BaseDatos (contextoEjecucion);

mDatos = creador.getReadableDatabase();String sql = ("Select * from compus");Cursor cur = mDatos.rawQuery(sql, null);cur.moveToFirst();do{

datos+= cur.getString(0) + "\t " + cur.getString(1) + "\t " + cur.getString(2) + " \t" + cur.getString(3) + "\n";

}while (cur.moveToNext());return datos;

}public void cerrarSqlite(){

creador.close();

import android.content.Context;import android.database.sqlite.SQLiteDatabase;import android.database.sqlite.SQLiteDatabase.CursorFactory;import android.database.sqlite.SQLiteOpenHelper;

public class BaseDatos extends SQLiteOpenHelper {

public BaseDatos(Context context) {super(context, "compu.db", null, 1);

@Overridepublic void onCreate(SQLiteDatabase db) {

String sql="Create table compus(id integer primary key autoincrement, marca text, ram text, procesador text);";

db.execSQL(sql);

@Override public void onUpgrade(SQLiteDatabase arg0, int arg1, int arg2) {

Aplicaciones de Android

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