use POST in http requests; use different url for outgoing sms; poll for outgoing sms more frequently; notify server when sms messages are sent

src/org/envaya/kalsms/App.java

@@ -0,0 +1,158 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.envaya.kalsms;
+
+import android.app.PendingIntent;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.preference.PreferenceManager;
+import android.telephony.SmsManager;
+import android.util.Log;
+
+/**
+ *
+ * @author Jesse
+ */
+public class App {
+    
+    public static final int OUTGOING_POLL_SECONDS = 30;
+       
+    public static final String LOG_NAME = "KALSMS";    
+    public static final String LOG_INTENT = "org.envaya.kalsms.LOG";
+    public static final String SEND_STATUS_INTENT = "org.envaya.kalsms.SEND_STATUS";
+    
+    public Context context;
+    public SharedPreferences settings;
+    
+    public App(Context context)
+    {
+        this.context = context;
+        this.settings = PreferenceManager.getDefaultSharedPreferences(context);
+    }
+    
+    static void debug(String msg)
+    {
+        Log.d(LOG_NAME, msg);          
+    }
+    
+    public void log(String msg) 
+    {
+        Log.d(LOG_NAME, msg);
+        
+        Intent broadcast = new Intent(App.LOG_INTENT);
+        broadcast.putExtra("message", msg);
+        context.sendBroadcast(broadcast);        
+    }
+
+    public void logError(Throwable ex)
+    {
+        logError("ERROR", ex);
+    }    
+    
+    public void logError(String msg, Throwable ex)
+    {
+        logError(msg, ex, false);
+    }
+    
+    public void logError(String msg, Throwable ex, boolean detail)
+    {
+        log(msg + ": " + ex.getClass().getName() + ": " + ex.getMessage());
+        
+        if (detail)
+        {
+            for (StackTraceElement elem : ex.getStackTrace())
+            {
+                log(elem.getClassName() + ":" + elem.getMethodName() + ":" + elem.getLineNumber());
+            }
+            Throwable innerEx = ex.getCause();
+            if (innerEx != null)
+            {
+                logError("Inner exception:", innerEx, true);
+            }
+        }
+    }        
+    
+    public String getIncomingUrl()
+    {
+        return getServerUrl() + "/pg/receive_sms";
+    }
+    
+    public String getOutgoingUrl()
+    {
+        return getServerUrl() + "/pg/dequeue_sms";
+    }    
+    
+    public String getSendStatusUrl()
+    {
+        return getServerUrl() + "/pg/sms_sent";
+    }
+    
+    public String getServerUrl()
+    {
+        return settings.getString("server_url", "");
+    }
+
+    public String getPhoneNumber()
+    {
+        return settings.getString("phone_number", "");
+    }
+    
+    public String getPassword()
+    {
+        return settings.getString("password", "");
+    }       
+    
+    private SQLiteDatabase db;
+    public SQLiteDatabase getWritableDatabase()
+    {
+        if (db == null)
+        {
+            db = new DBHelper(context).getWritableDatabase();
+        }
+        return db;
+    }
+    
+    public void sendSMS(OutgoingSmsMessage sms)
+    {       
+        String serverId = sms.getServerId();
+        
+        if (serverId != null)
+        {
+            SQLiteDatabase db = this.getWritableDatabase();
+            Cursor cursor = 
+                db.rawQuery("select 1 from sent_sms where server_id=?", new String[] { serverId });
+        
+            boolean exists = (cursor.getCount() > 0);
+            cursor.close();
+            if (exists)
+            {
+                log(sms.getLogName() + " already sent, skipping");
+                return;
+            }
+            
+            ContentValues values = new ContentValues();
+            values.put("server_id", serverId);
+            db.insert("sent_sms", null, values);
+        }         
+
+        SmsManager smgr = SmsManager.getDefault();
+                
+        Intent intent = new Intent(App.SEND_STATUS_INTENT);
+        intent.putExtra("serverId", serverId);
+        
+        PendingIntent sentIntent = PendingIntent.getBroadcast(
+                this.context,
+                0,
+                intent,
+                PendingIntent.FLAG_ONE_SHOT);
+        
+        log("Sending " +sms.getLogName() + " to " + sms.getTo());
+        smgr.sendTextMessage(sms.getTo(), null, sms.getMessage(), sentIntent, null);
+    }
+}