add manual position from GPS

res/values/strings.xml

@@ -182,6 +182,7 @@
 <!-- manual position -->
 <string name="p_source_lat">Latitude</string>
 <string name="p_source_lon">Longitude</string>
+<string name="p_source_get_last">Use last GPS position</string>
 
 <!-- connection type properties -->
 <string name="p_host">Server</string>

res/xml/location_manual.xml

@@ -20,6 +20,16 @@
 		android:title="@string/p_source_lon"
 		android:summary=""
 		android:dialogTitle="@string/p_source_lon" />
+
+    <PreferenceScreen
+	    android:title="@string/p_source_get_last"
+	    android:summary="">
+
+            <intent android:action="android.intent.action.MAIN"
+		    android:data="gps2manual"
+                    android:targetPackage="org.aprsdroid.app"
+                    android:targetClass="org.aprsdroid.app.LocationPrefs" />
+    </PreferenceScreen>
                 
         <EditTextPreference
                 android:key="interval"

src/LocationPrefs.scala

@@ -1,5 +1,7 @@
 package org.aprsdroid.app
 
+import _root_.android.content.Context
+import _root_.android.location.{Location, LocationManager}
 import _root_.android.os.Bundle
 import _root_.android.preference.{PreferenceActivity, PreferenceManager}
 
@@ -7,6 +9,26 @@ class LocationPrefs extends PreferenceActivity {
 	override def onCreate(savedInstanceState: Bundle) {
 		super.onCreate(savedInstanceState)
 		val prefs = new PrefsWrapper(this)
+		if (checkGpsManualPosition(prefs)) {
+			finish()
+			return
+		}
 		addPreferencesFromResource(LocationSource.instanciatePrefsAct(prefs))
 	}
+
+	def checkGpsManualPosition(prefs : PrefsWrapper) = {
+		val i = getIntent()
+		if (i != null && i.getDataString() != null && i.getDataString().equals("gps2manual")) {
+			val l = getSystemService(Context.LOCATION_SERVICE).asInstanceOf[LocationManager]
+					.getLastKnownLocation(LocationManager.GPS_PROVIDER)
+			if (l != null) {
+				val pe = prefs.prefs.edit()
+				pe.putString("manual_lat", l.getLatitude().toString())
+				pe.putString("manual_lon", l.getLongitude().toString())
+				pe.commit()
+			}
+			true
+		}
+		false
+	}
 }