he he vì đơn giản là mình thấy nó rất tổng quát và đầy đủ so với các PHP Frameworks khác, hơn nữa nó còn đuợc hỗ trợ tối đa từ công ty Zend.
package com.exercise.AndroidBubbleSort;
import java.util.Random;
import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;
public class AndroidBubbleSortActivity extends Activity {
TextView src, result;
int[] data = new int[10];
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
src = (TextView)findViewById(R.id.src);
result = (TextView)findViewById(R.id.result);
Random random = new Random();
String stringSrc = "Src = ";
for (int i = 0; i < data.length; i++){
data[i] = random.nextInt(100);
stringSrc += data[i] + " ";
}
src.setText(stringSrc);
bubblesort();
String stringResult = "Result = ";
for (int i = 0; i < data.length; i++){
stringResult += data[i] + " ";
}
result.setText(stringResult);
}
void bubblesort() {
int min;
for (int i = 0; i < data.length - 1; i++){
min = i;
for (int j = i + 1; j < data.length; j++){
if (data[j] < data[min]){
min = j;
}
}
if (i != min){
int tmp = data[i];
data[i] = data[min];
data[min] = tmp;
}
}
}
}
Nguồn : Android-er.
AlertDialog.Builder myAlertDialog = new AlertDialog.Builder(AndroidAlertDialog.this);
myAlertDialog.setTitle("--- Title ---");
myAlertDialog.setMessage("Alert Dialog Message");
myAlertDialog.setPositiveButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0, int arg1) {
// do something when the OK button is clicked
}});
myAlertDialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0, int arg1) {
// do something when the Cancel button is clicked
}});
myAlertDialog.show();(Suu tam). 
<?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"
android:padding="8dp" >
<Button
android:id="@+id/buttonViewContacts"
android:text="View Contacts"
android:layout_width="fill_parent"
android:layout_height="40px" >
</Button>
<Button
android:id="@+id/buttonViewCallLog"
android:text="View Call Log"
android:layout_width="fill_parent"
android:layout_height="40px" >
</Button>
<Button
android:id="@+id/buttonViewGallery"
android:text="View Gallery"
android:layout_width="fill_parent"
android:layout_height="40px" >
</Button>
<Button
android:id="@+id/buttonViewPhone"
android:text="View Phone Call"
android:layout_width="fill_parent"
android:layout_height="40px" >
</Button>
</LinearLayout>
package com.example.intends;
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 Intends extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button buttonContacts = (Button) findViewById(R.id.buttonViewContacts);
buttonContacts.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
Intent i = new Intent();
i.setAction(Intent.ACTION_VIEW);
i.setData(android.provider.Contacts.People.CONTENT_URI);
startActivity(i);
}
});
Button buttonCallLog = (Button) findViewById(R.id.buttonViewCallLog);
buttonCallLog.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
Intent i = new Intent();
i.setAction(Intent.ACTION_CALL_BUTTON);
startActivity(i);
}
});
Button buttonGallery = (Button) findViewById(R.id.buttonViewGallery);
buttonGallery.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
Intent i = new Intent();
i.setAction(Intent.ACTION_VIEW);
i.setData(android.provider.MediaStore.Images.Media.INTERNAL_CONTENT_URI);
startActivity(i);
}
});
Button buttonPhone = (Button) findViewById(R.id.buttonViewPhone);
buttonPhone.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
Intent i = new Intent();
i.setAction(Intent.ACTION_DIAL);
startActivity(i);
}
});
}
}
<?xml version="1.0" encoding="UTF-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<ImageView
android:id="@+id/Thumbnail"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/icon"/>
<TextView
android:id="@+id/FilePath"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
</LinearLayout>package com.exercise.AndroidThumbnailList;
import android.app.ListActivity;
import android.content.Context;
import android.graphics.Bitmap;
import android.media.ThumbnailUtils;
import android.os.Bundle;
import android.provider.MediaStore.Video.Thumbnails;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;
public class AndroidThumbnailList extends ListActivity{
String[] videoFileList = {
"/sdcard/Video/Android 2.0 Official Video_low.mp4",
"/sdcard/Video/Android 2.2 Official Video_low.mp4",
"/sdcard/Video/Android 2.3 Official Video_low.mp4",
"/sdcard/Video/Android 3.0 Preview_low.mp4",
"/sdcard/Video/Android Demo_low.mp4",
"/sdcard/Video/Android in Spaaaaaace!.mp4",
"/sdcard/Video/Android in Spaaaaaace!_low.mp4",
"/sdcard/Video/What is an Android phone-_low.mp4"
};
public class MyThumbnaildapter extends ArrayAdapter<String>{
public MyThumbnaildapter(Context context, int textViewResourceId,
String[] objects) {
super(context, textViewResourceId, objects);
// TODO Auto-generated constructor stub
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
View row = convertView;
if(row==null){
LayoutInflater inflater=getLayoutInflater();
row=inflater.inflate(R.layout.row, parent, false);
}
TextView textfilePath = (TextView)row.findViewById(R.id.FilePath);
textfilePath.setText(videoFileList[position]);
ImageView imageThumbnail = (ImageView)row.findViewById(R.id.Thumbnail);
Bitmap bmThumbnail;
bmThumbnail = ThumbnailUtils.createVideoThumbnail(videoFileList[position], Thumbnails.MICRO_KIND);
imageThumbnail.setImageBitmap(bmThumbnail);
return row;
}
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setListAdapter(new MyThumbnaildapter(AndroidThumbnailList.this, R.layout.row, videoFileList));
}
}
