From fce66be9d662d6d98d23191a3c623cae549a29b2 Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Mon, 29 Jun 2015 23:41:53 +0200
Subject: o Supporting re-activation of the MainActivity. Must initialize the
 local data with the device list if it is already in the 'ready' state.

---
 .../soilmoisture/DefaultSoilMoistureService.java       | 18 ++++++++++++++++--
 .../java/io/trygvis/soilmoisture/MainActivity.java     | 12 ++++++++++--
 .../main/java/io/trygvis/soilmoisture/SmDevice.java    |  8 ++++++++
 .../io/trygvis/soilmoisture/SoilMoistureService.java   |  4 ++++
 4 files changed, 38 insertions(+), 4 deletions(-)

(limited to 'app/src/main/java/io/trygvis/soilmoisture')

diff --git a/app/src/main/java/io/trygvis/soilmoisture/DefaultSoilMoistureService.java b/app/src/main/java/io/trygvis/soilmoisture/DefaultSoilMoistureService.java
index 8f748a8..0becb24 100644
--- a/app/src/main/java/io/trygvis/soilmoisture/DefaultSoilMoistureService.java
+++ b/app/src/main/java/io/trygvis/soilmoisture/DefaultSoilMoistureService.java
@@ -63,6 +63,8 @@ public class DefaultSoilMoistureService extends Service implements SoilMoistureS
 
     private BtService<SmDevice> btService;
 
+    private boolean ready;
+
     @Override
     public IBinder onBind(Intent intent) {
         return binder;
@@ -76,10 +78,12 @@ public class DefaultSoilMoistureService extends Service implements SoilMoistureS
             @SuppressWarnings("unchecked")
             @Override
             public void onServiceConnected(ComponentName componentName, IBinder service) {
+                Log.i(TAG, "onServiceConnected, componentName=" + componentName.toShortString() + ", binder=" + service.toString());
+
                 btService = ((LocalBinder<BtService<SmDevice>>) service).getService();
-                boolean ok = btService.initialize(DefaultSoilMoistureService.this::createTag);
+                ready = btService.initialize(DefaultSoilMoistureService.this::createTag);
 
-                sendBroadcast(createReady(ok));
+                sendBroadcast(createReady(ready));
             }
 
             @Override
@@ -279,6 +283,11 @@ public class DefaultSoilMoistureService extends Service implements SoilMoistureS
     // SmDevicesManager Implementation
     // -----------------------------------------------------------------------
 
+    @Override
+    public List<SmDevice> getDevices() {
+        return getDevices(SmDevice.addressComparator);
+    }
+
     @Override
     public List<SmDevice> getDevices(Comparator<SmDevice> comparator) {
         Set<SmDevice> devices = new TreeSet<>(comparator);
@@ -293,6 +302,11 @@ public class DefaultSoilMoistureService extends Service implements SoilMoistureS
         return btService.getTag(address);
     }
 
+    @Override
+    public boolean isReady() {
+        return ready;
+    }
+
     @Override
     public boolean isScanning() {
         return btService.isScanning();
diff --git a/app/src/main/java/io/trygvis/soilmoisture/MainActivity.java b/app/src/main/java/io/trygvis/soilmoisture/MainActivity.java
index 984016a..017d207 100644
--- a/app/src/main/java/io/trygvis/soilmoisture/MainActivity.java
+++ b/app/src/main/java/io/trygvis/soilmoisture/MainActivity.java
@@ -83,6 +83,14 @@ public class MainActivity extends ListActivity {
                 Log.i(TAG, "onServiceConnected");
                 soilMoistureService = ((LocalBinder<SoilMoistureService>) service).getService();
                 registerReceiver(serviceListener, SoilMoistureListener.INTENT_FILTER);
+
+                if (soilMoistureService.isReady()) {
+                    serviceListener.onReady(true);
+
+                    for (SmDevice smDevice : soilMoistureService.getDevices()) {
+                        serviceListener.onNewDevice(smDevice.getBtDevice().getAddress());
+                    }
+                }
             }
 
             @Override
@@ -646,7 +654,8 @@ public class MainActivity extends ListActivity {
 
         @Override
         public void onReady(boolean ok) {
-            if (!ok) {
+            ready = ok;
+            if (!ready) {
                 Toast.makeText(context,
                         "Could not initialize services.",
                         Toast.LENGTH_SHORT).
@@ -654,7 +663,6 @@ public class MainActivity extends ListActivity {
 
                 finish();
             } else {
-                ready = true;
                 deviceList = new DeviceListAdapter();
                 setListAdapter(deviceList);
 
diff --git a/app/src/main/java/io/trygvis/soilmoisture/SmDevice.java b/app/src/main/java/io/trygvis/soilmoisture/SmDevice.java
index e114f3c..f72020b 100644
--- a/app/src/main/java/io/trygvis/soilmoisture/SmDevice.java
+++ b/app/src/main/java/io/trygvis/soilmoisture/SmDevice.java
@@ -5,6 +5,7 @@ import android.util.Log;
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
+import java.util.Comparator;
 import java.util.List;
 
 import io.trygvis.android.Optional;
@@ -35,6 +36,13 @@ class SmDevice {
 
     private List<SmSensor> sensors = new ArrayList<>();
 
+    public static Comparator<SmDevice> addressComparator = new Comparator<SmDevice>() {
+        @Override
+        public int compare(SmDevice lhs, SmDevice rhs) {
+            return lhs.btDevice.getAddress().compareTo(rhs.btDevice.getAddress());
+        }
+    };
+
     public SmDevice(DefaultSoilMoistureService smService, BtDevice<SmDevice> btDevice, long id) {
         this.smService = smService;
         this.btDevice = btDevice;
diff --git a/app/src/main/java/io/trygvis/soilmoisture/SoilMoistureService.java b/app/src/main/java/io/trygvis/soilmoisture/SoilMoistureService.java
index 40f4262..8b42c9e 100644
--- a/app/src/main/java/io/trygvis/soilmoisture/SoilMoistureService.java
+++ b/app/src/main/java/io/trygvis/soilmoisture/SoilMoistureService.java
@@ -9,12 +9,16 @@ import java.util.Comparator;
 import java.util.List;
 
 public interface SoilMoistureService {
+    List<SmDevice> getDevices();
+
     List<SmDevice> getDevices(Comparator<SmDevice> comparator);
 
     SmDevice getDevice(String address);
 
     void probe(String address);
 
+    boolean isReady();
+
     boolean isScanning();
 
     boolean startScanning(long scanPeriod);
-- 
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