package com.example.smarthome;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.os.Bundle;
import android.os.Handler;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.Gravity;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.ToggleButton;
public class Devicestatus extends Activity {
private final Handler mHandler = new Handler();
TextView textView1,textView2,textView3,textView4;
ImageView devicestatus;
static ToggleButton toggleButton1,toggleButton2,toggleButton3,toggleButton4;
static String houseUrl;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Fetch all data from MySQL DB
getData();
this.setContentView(R.layout.devicestatus);
textView1 = (TextView)findViewById(R.id.textView1);
textView2 = (TextView)findViewById(R.id.textView2);
textView3 = (TextView)findViewById(R.id.textView3);
textView4 = (TextView)findViewById(R.id.textView4);
toggleButton1 = (ToggleButton)findViewById(R.id.toggleButton1);
toggleButton2 = (ToggleButton)findViewById(R.id.toggleButton2);
toggleButton3 = (ToggleButton)findViewById(R.id.toggleButton3);
toggleButton4 = (ToggleButton)findViewById(R.id.toggleButton4);
// Update the status of all toggle buttons
updateToggles();
toggleButton1.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
if (toggleButton1.isChecked()) {
Smarthome.status = true;
Devicestatus.postData();
} else {
// Set status to false
// Send to DB
Smarthome.status = false;
Devicestatus.postData();
}
}
});
toggleButton2.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
if (toggleButton2.isChecked()) {
Smarthome.status = true;
Devicestatus.postData();
} else {
// Set status to false
// Send to DB
Smarthome.status = false;
Devicestatus.postData();
}
}
});
toggleButton3.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
if (toggleButton3.isChecked()) {
Smarthome.status = true;
Devicestatus.postData();
} else {
// Set status to false
// Send to DB
Smarthome.status = false;
Devicestatus.postData();
}
}
});
toggleButton4.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
if (toggleButton4.isChecked()) {
Smarthome.status = true;
Devicestatus.postData();
} else {
// Set status to false
// Send to DB
Smarthome.status = false;
Devicestatus.postData();
}
}
});
// Add mTask to execution queue and execute right away
mHandler.post(mTask); // This is the timed thread handler
} // end of onCreate
// Timed thread for updating graphics and status
private Runnable mTask = new Runnable() {
public void run() {
// Remove comment for debug only
// counter1++;
// Collect all data from MySQL DB
getData();
// Remove comment to display DB Update URL as toast (For debug only)
//ShowToast(houseUrl);
// Update all toggle graphics and texts
updateToggles();
// Call mTask 5 seconds later
// mTask calls itself 5 seconds later from stack
mHandler.postDelayed(mTask, 5000);
}
};
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
// Since first tab, default is 0
Smarthome.tabNumber = 0;
// On orientation change or keyboard pop-up preserve tab data
Intent intent = new Intent(getBaseContext(),
Smarthome.class);
// Disables close and re-open animation
overridePendingTransition(0, 0);
intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
// Finish the current activity
finish();
// Override remaining graphics
overridePendingTransition(0, 0);
// Call new intent of new orientation change
startActivity(intent);
}
// Method called when application is closed
protected void onDestroy(){
// Make process Super
super.onDestroy();
// Kill timer handler
mHandler.removeCallbacks(mTask);
}
// Method called when application moved to background
protected void onPause(){
super.onPause();
// When in background preserve default tab
Smarthome.tabNumber = 0;
}
// Collect data from MySQL DB
static public void getData(){
try {
// Create a URL object
URL url = new URL("http://10.0.2.2/smarthome/DataRead.php");
// Read all of the text returned by the HTTP server
BufferedReader in = new BufferedReader
(new InputStreamReader(url.openStream()));
// Create data collection variables, string and string array
String htmlText;
String[] results;
while ((htmlText = in.readLine()) != null) {
// Keep in mind that readLine() strips the newline characters
// Split the array based on the comma separation
results = htmlText.split(",");
// Load all labels
Smarthome.id = results[1];
Smarthome.id = results[2];
Smarthome.id = results[3];
Smarthome.id = results[4];
// Load all statuses
if (results[1].equals("1")) {Smarthome.status = true;} else {Smarthome.status = false;}
if (results[2].equals("1")) {Smarthome.status = true;} else {Smarthome.status = false;}
if (results[3].equals("1")) {Smarthome.status = true;} else {Smarthome.status = false;}
if (results[4].equals("1")) {Smarthome.status = true;} else {Smarthome.status = false;}
}
// Close the open file
in.close();
} catch (MalformedURLException e) {
e.printStackTrace(); // Need code for exception
System.exit(0);
//Smarthome mSmarthome = new Smarthome();
//mSmarthome.testHttpGet();
} catch (IOException e) {
e.printStackTrace(); // Need code for exception
System.exit(0);
//Smarthome mSmarthome = new Smarthome();
//mSmarthome.testHttpGet();
}
// Return to caller
return;
}
public static void postData(){
// Local string from boolean status variables
String mstatus;
// Resolve boolean status to strings
if (Smarthome.status.equals(true)) {mstatus = "1";} else {mstatus = "0";}
if (Smarthome.status.equals(true)) {mstatus = "1";} else {mstatus = "0";}
if (Smarthome.status.equals(true)) {mstatus = "1";} else {mstatus = "0";}
if (Smarthome.status.equals(true)) {mstatus = "1";} else {mstatus = "0";}
// Build URL
houseUrl = "http://10.0.2.2/smarthome/UpdateTable.php";
houseUrl += "?status=" + Smarthome.gpiopin;
houseUrl += "&status=" + Smarthome.gpiopin;
houseUrl += "&status=" + Smarthome.gpiopin;
houseUrl += "&status=" + Smarthome.gpiopin;
houseUrl += "&status=" + mstatus;
houseUrl += "&status=" + mstatus;
houseUrl += "&status=" + mstatus;
houseUrl += "&status=" + mstatus;
// Capture all spaces make them encoded for URL Transfer
houseUrl = (houseUrl.replace(" ", "%20"));
// Attempt HTTP Post to Apache Server using MySQL/PHP Script
try {
// Access the HTTP world
HttpClient client = new DefaultHttpClient();
// Supply built URL
String postURL = houseUrl;
// Post data from URL in the background
HttpPost post = new HttpPost(postURL);
// Collect response
HttpResponse responsePOST = client.execute(post);
// Get response from HTTP Client
HttpEntity resEntity = responsePOST.getEntity();
if (resEntity != null) { // Log event
Log.i("RESPONSE",EntityUtils.toString(resEntity));
}
} catch (Exception e) {
e.printStackTrace(); // Need exception handling
}
// Return to caller
return;
}
// Show display message on toast when called with variable argument
public void ShowToast(String msg) {
// Create new toast message with length long
Toast toast = Toast.makeText(getApplicationContext(), msg,
Toast.LENGTH_LONG);
// Set the toast to display on top at 0,0 position
toast.setGravity(Gravity.TOP, 0, 0);
// Display toast
toast.show();
}
// Method to update all toggles and status
public void updateToggles(){
// Change toggles from default to loaded value when first called
// Toggle 1
toggleButton1.setTextOn(Smarthome.gpiopin +"\nON");
toggleButton1.setTextOff(Smarthome.gpiopin +"\nOFF");
// Toggle 2
toggleButton2.setTextOn(Smarthome.gpiopin +"\nON");
toggleButton2.setTextOff(Smarthome.gpiopin +"\nOFF");
// Toggle 3
toggleButton3.setTextOn(Smarthome.gpiopin +"\nON");
toggleButton3.setTextOff(Smarthome.gpiopin +"\nOFF");
// Toggle 4
toggleButton4.setTextOn(Smarthome.gpiopin +"\nON");
toggleButton4.setTextOff(Smarthome.gpiopin +"\nOFF");
// Load the graphical status of toggles
toggleButton1.setChecked(Smarthome.status);
toggleButton2.setChecked(Smarthome.status);
toggleButton3.setChecked(Smarthome.status);
toggleButton4.setChecked(Smarthome.status);
// Change defaults of values in local cached flash
SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(getBaseContext());
SharedPreferences.Editor editor = settings.edit();
editor.putString("room1Pref",Smarthome.gpiopin);
editor.putString("room2Pref",Smarthome.gpiopin);
editor.putString("room3Pref",Smarthome.gpiopin);
editor.putString("room4Pref",Smarthome.gpiopin);
editor.commit();
}
}
ส่วนนี่ หน้า main Code (Android-Java)
package com.example.smarthome;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.app.TabActivity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.Resources;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TabHost;
import android.widget.TabHost.TabSpec;
public class Smarthome extends TabActivity {
static String toggleButton1, toggleButton2, toggleButton3, toggleButton4;
static TabHost tabHost;
static int tabNumber;
static String id,gpiopin;
static Boolean status;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_smarthome);
// Test connection at boot to Apache web-server
testHttpGet();
// Call all from MySQL Database
Devicestatus.getData();
// Record all default values from MySQL DB to local flash cache
SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(getBaseContext());
SharedPreferences.Editor editor = settings.edit();
/*editor.putString("room1Pref",Smarthome.id);
editor.putString("room2Pref",Smarthome.id);
editor.putString("room3Pref",Smarthome.id);
editor.putString("room4Pref",Smarthome.id);*/
// Commit to record to flash
editor.commit();
tabHost = (TabHost)findViewById(android.R.id.tabhost);
Resources res = getResources(); // Resource object to get Drawables
TabSpec firstTabSpec = tabHost.newTabSpec("tid1");
TabSpec secondTabSpec = tabHost.newTabSpec("tid1");
TabSpec thirdTabSpec = tabHost.newTabSpec("tid1");
firstTabSpec.setIndicator("Home Status",
res.getDrawable(R.drawable.icon_devicestatus_tab)).setContent(new Intent(this,Devicestatus.class));
secondTabSpec.setIndicator("Change Password",
res.getDrawable(R.drawable.icon_changepass_tab)).setContent(new Intent(this,Change.class));
thirdTabSpec.setIndicator("About Us",
res.getDrawable(R.drawable.icon_aboutus_tab)).setContent(new Intent(this,Aboutus.class));
tabHost.addTab(firstTabSpec);
tabHost.addTab(secondTabSpec);
tabHost.addTab(thirdTabSpec);
tabHost.setCurrentTab(tabNumber);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_smarthome, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle item selection
switch (item.getItemId()) {
case R.id.exit_app:
// if user press exit, finish application
// free all memory with exit animation
// Return to default tab
this.finish();
System.exit(0); // Remove all application resources from memory
System.runFinalizersOnExit(true); // Tell Android application is closed
return true;
}
// menu pressed again, exit menu
return super.onOptionsItemSelected(item);
}
protected void onStop(){
// Make process Super
super.onStop();
// Kill timer handler
// We need an Editor object to make preference changes.
// All objects are from android.context.Context
// Editor is at application private level 0 data cannot be shared with world
SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(getBaseContext());
SharedPreferences.Editor editor = settings.edit();
// Commit the edits!
editor.commit();
}
public void testHttpGet() {
try {
// Create a URL object
URL url = new URL("http://10.0.2.2/smarthome/Present.php");
// Read all of the text returned by the HTTP server
BufferedReader in = new BufferedReader
(new InputStreamReader(url.openStream()));
// Create data collection variables
@SuppressWarnings("unused") // It is used, glitch maybe?
String htmlText;
while ((htmlText = in.readLine()) != null) {
}
// Close the open file
in.close();
} catch (MalformedURLException e) {
e.printStackTrace(); // Need code for exception
} catch (IOException e) {
Intent settingsActivity = new Intent(getBaseContext(),
offline.class);
startActivity(settingsActivity); // Start Death Box
finish();
System.exit(0);
}
}
}
Load balance : Server 03
