Lập trình Android: Game đếm số pdf

Trung tâm Tin học – ĐH KHTN
Game đếm số
Project name: GameDemSoCuaDac
Build Target: Android 2.3.3
Application name: GameDemSoCuaDac
Package name: com.dac
Create Activity: GameDemSoCuaDacActivity
Trong file main.xml:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android=" /> android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<LinearLayout android:id="@+id/linearLayout1"
android:layout_width="fill_parent"
android:layout_height="335px">
<ImageSwitcher android:id="@+id/image_switcher"
android:layout_width="fill_parent"
android:layout_height="match_parent"
android:clickable="true" />
</LinearLayout>
<TableLayout
android:id="@+id/tableLayout1"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="center"
android:gravity="bottom"
android:paddingBottom="3px" >

<TableRow android:id="@+id/tableRow1"
android:gravity="center"
android:layout_width="wrap_content"

android:layout_height="match_parent">
<! android:background="@drawable/android_button" >
<Button android:gravity="center"
android:layout_marginRight="10px"
Lập trình Android – Page 1
Trung tâm Tin học – ĐH KHTN
android:layout_marginLeft="10px"
android:text="1"
android:textSize="20px"
android:id="@+id/button1"
android:layout_width="45px"
android:layout_height="45px"></Button>
<! android:background="@drawable/android_btn2" >
<Button android:gravity="center"
android:layout_marginRight="10px"
android:text="2"
android:textSize="20px"
android:id="@+id/button2"
android:layout_width="45px"
android:layout_height="45px"></Button>
<! android:background="@drawable/android_btn3" >
<Button android:gravity="center"
android:layout_marginRight="10px"
android:id="@+id/button3"
android:text="3"
android:textSize="20px"
android:layout_width="45px"
android:layout_height="45px"></Button>
<! android:background="@drawable/android_btn4" >
<Button android:layout_width="45px"

android:layout_marginRight="10px"
android:layout_height="45px"
android:text="4"
android:textSize="20px"
android:id="@+id/button4"
android:gravity="center"></Button>
<! android:background="@drawable/android_btn5"" >
<Button android:layout_width="45px"
android:layout_marginRight="10px"
android:layout_height="45px"
android:text="5"
android:textSize="20px"
android:id="@+id/button5"
android:gravity="center"></Button>

</TableRow>
<TableRow android:id="@+id/tableRow2"
android:gravity="center"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<! android:background="@drawable/android_btn6" >
<Button android:gravity="center"
android:layout_marginRight="10px"
android:layout_marginLeft="10px"
android:id="@+id/button6"
android:text="6"
android:textSize="20px"
android:layout_width="45px"
Lập trình Android – Page 2
Trung tâm Tin học – ĐH KHTN

android:layout_height="45px"></Button>
<! android:background="@drawable/android_btn7" >
<Button android:gravity="center"
android:layout_marginRight="10px"
android:text="7"
android:textSize="20px"
android:id="@+id/button7"
android:layout_width="45px"
android:layout_height="45px"></Button>
<! android:background="@drawable/android_btn8" >
<Button android:gravity="center"
android:layout_marginRight="10px"
android:id="@+id/button8"
android:text="8"
android:textSize="20px"
android:layout_width="45px"
android:layout_height="45px"></Button>
<! android:background="@drawable/android_btn9" >
<Button android:layout_width="45px"
android:layout_marginRight="10px"
android:text="9"
android:textSize="20px"
android:layout_height="45px"
android:id="@+id/button9"
android:gravity="center"></Button>
<! android:background="@drawable/android_btn10" >
<Button android:layout_width="45px"
android:layout_marginRight="10px"
android:text="10"
android:textSize="10px"

android:layout_height="45px"
android:id="@+id/button10"
android:gravity="center"></Button>
</TableRow>


</TableLayout>
</LinearLayout>
Trong file Activity:
package com.dac;
import android.app.Activity;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
Lập trình Android – Page 3
Trung tâm Tin học – ĐH KHTN
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnTouchListener;
import android.view.ViewGroup.LayoutParams;
import android.widget.Button;
import android.widget.ImageSwitcher;
import android.widget.ImageView;
import android.widget.ViewSwitcher.ViewFactory;
public class GameDemSoCuaDacActivity extends Activity {
Button button1, button2, button3, button4, button5;

Button button6, button7, button8, button9, button10;
private static final int Quaylai = -1;
private static final int Tiep =1;
private MediaPlayer mp;
private SharedPreferences preference;
private static final String current_position = "current";
private static final int start_position = 0;
private static final int MIN_SWIPE_WIDTH = 50;
private static final String Tag="TCGB";
private int[] toado = {0,0};
private static int[] pictureIds = {
R.drawable.dem1, R.drawable.dem2, R.drawable.dem3, R.drawable.dem4,
R.drawable.dem5,
R.drawable.dem6, R.drawable.dem7, R.drawable.dem8, R.drawable.dem9,
R.drawable.dem10
};
private int[] soundIds =
{R.raw.caydan,R.raw.conca,R.raw.ngoisao,R.raw.conbuom,
R.raw.conbo,R.raw.caichuong,R.raw.caibanh,R.raw.traitim,R.raw.mayanh,R.raw.caiphao};
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
setVolumeControlStream(AudioManager.STREAM_MUSIC);
button1 = (Button) findViewById(R.id.button1);
button2 = (Button) findViewById(R.id.button2);
button3 = (Button) findViewById(R.id.button3);
button4 = (Button) findViewById(R.id.button4);
button5 = (Button) findViewById(R.id.button5);

button6 = (Button) findViewById(R.id.button6);
button7 = (Button) findViewById(R.id.button7);
button8 = (Button) findViewById(R.id.button8);
Lập trình Android – Page 4
Trung tâm Tin học – ĐH KHTN
button9 = (Button) findViewById(R.id.button9);
button10 = (Button) findViewById(R.id.button10);
button1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
int t = getCurrentPos();
if(pictureIds[t] == R.drawable.dem1)
{
playDung();
}
else
{
playSai();
}
}
});
button2.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
int t = getCurrentPos();
if(pictureIds[t] == R.drawable.dem2)
{
playDung();

}
else
{
playSai();
}
}
});
button3.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
int t = getCurrentPos();
if(pictureIds[t] == R.drawable.dem3)
{
playDung();
}
else
{
playSai();
}
}
});
button4.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Lập trình Android – Page 5
Trung tâm Tin học – ĐH KHTN
int t = getCurrentPos();
if(pictureIds[t] == R.drawable.dem4)

{
playDung();
}
else
{
playSai();
}
}
});
button5.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
int t = getCurrentPos();
if(pictureIds[t] == R.drawable.dem5)
{
playDung();
}
else
{
playSai();
}
}
});
button6.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
int t = getCurrentPos();
if(pictureIds[t] == R.drawable.dem6)

{
playDung();
}
else
{
playSai();
}
}
});
button7.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
int t = getCurrentPos();
if(pictureIds[t] == R.drawable.dem7)
{
playDung();
}
else
{
Lập trình Android – Page 6
Trung tâm Tin học – ĐH KHTN
playSai();
}
}
});
button8.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub

int t = getCurrentPos();
if(pictureIds[t] == R.drawable.dem8)
{
playDung();
}
else
{
playSai();
}
}
});
button8.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
int t = getCurrentPos();
if(pictureIds[t] == R.drawable.dem8)
{
playDung();
}
else
{
playSai();
}
}
});
button9.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub

int t = getCurrentPos();
if(pictureIds[t] == R.drawable.dem9)
{
playDung();
}
else
{
playSai();
}
}
});
button10.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Lập trình Android – Page 7
Trung tâm Tin học – ĐH KHTN
// TODO Auto-generated method stub
int t = getCurrentPos();
if(pictureIds[t] == R.drawable.dem10)
{
playDung();
}
else
{
playSai();
}
}
});
preference = getPreferences(MODE_PRIVATE);
setStartPosition();

ImageSwitcher i = (ImageSwitcher)findViewById(R.id.image_switcher);
i.setFactory(new MyImageSwitcherFactory());
i.setOnTouchListener(o);
displayCurrentImange();
playCurrentSound();
}
private int getCurrentPos()
{
return preference.getInt(current_position, 0);
}
private void playDung()
{
stopPlaySound();
mp = MediaPlayer.create(this, R.raw.correct);
mp.start();
}
private void playSai()
{
stopPlaySound();
mp = MediaPlayer.create(this, R.raw.incorrect);
mp.start();
}
private void stopPlaySound()
{
if(mp!=null)
{
mp.release();
}
}
private void setStartPosition()

{
SharedPreferences.Editor e = preference.edit();
e.putInt(current_position, start_position);
e.commit();
}
Lập trình Android – Page 8
Trung tâm Tin học – ĐH KHTN
private void updateCureentPosition(int d)
{
int t = getCurrentPos();
int updatePosition = (pictureIds.length + t +d) % pictureIds.length;
Editor e = preference.edit();
e.putInt(current_position, updatePosition);
e.commit();
}
private void updateAnimation(int d)
{
ImageSwitcher i = (ImageSwitcher)findViewById(R.id.image_switcher);
switch (d) {
case Quaylai:
i.setInAnimation(this, R.anim.slide_in_left);
i.setOutAnimation(this, R.anim.slide_out_right);
break;
case Tiep:
i.setInAnimation(this, R.anim.slide_in_right);
i.setOutAnimation(this, R.anim.slide_out_left);
break;
default:
break;
}

}
private void playCurrentSound()
{
stopPlaySound();
int t = getCurrentPos();
int currentSound = soundIds[t];
mp = MediaPlayer.create(this, currentSound);
mp.start();
}
private void displayCurrentImange()
{
int t = getCurrentPos();
ImageSwitcher i = (ImageSwitcher)findViewById(R.id.image_switcher);
i.setImageResource(pictureIds[t]);
}
OnTouchListener o = new OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
// TODO Auto-generated method stub
if (event.getAction() == MotionEvent.ACTION_DOWN) {
toado[0] = (int)event.getX();
return true;
}
else {
if(event.getAction() == MotionEvent.ACTION_UP)
{
Lập trình Android – Page 9
Trung tâm Tin học – ĐH KHTN
toado[1] =(int)event.getX();
if(toado[1] - toado[0] > MIN_SWIPE_WIDTH)

{
Log.d(Tag, "User swiped right");
updateCureentPosition(Quaylai);
updateAnimation(Quaylai);
stopPlaySound();
playCurrentSound();
displayCurrentImange();
}
else if (toado[0] - toado[1] > MIN_SWIPE_WIDTH)
{
Log.d(Tag, "User swiped left");
updateCureentPosition(Tiep);
updateAnimation(Tiep);
stopPlaySound();
playCurrentSound();
displayCurrentImange();
}
return true;
}
return false;
}
}
};
private class MyImageSwitcherFactory implements ViewFactory
{
@Override
public View makeView() {
// TODO Auto-generated method stub
ImageView i = new ImageView(GameDemSoCuaDacActivity.this);
i.setScaleType(ImageView.ScaleType.CENTER_CROP);

i.setLayoutParams(new
ImageSwitcher.LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.FILL_PARENT));
return i;
}
}
}
Ngoài ra còn 1 số file hình ảnh, âm thanh khác các bạn download Project để tìm hiểu
thêm.
Lập trình Android – Page 10
Trung tâm Tin học – ĐH KHTN
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Lập trình Android – Page 11