Merge pull request #2 from sophisticode/master

PR pauldemarco#919

Author: usae-dev

android/src/main/java/com/pauldemarco/flutter_blue/FlutterBluePlugin.java

@@ -627,6 +627,24 @@ public void onMethodCall(MethodCall call, Result result) {
                 break;
             }
 
+            case "readRssi":
+            {
+                String remoteId = (String)call.arguments;
+                BluetoothGatt gatt;
+                try {
+                    gatt = locateGatt(remoteId);
+                    if(gatt.readRemoteRssi()) {
+                        result.success(null);
+                    } else {
+                        result.error("readRssi", "gatt.readRemoteRssi returned false", null);
+                    }
+                } catch(Exception e) {
+                    result.error("readRssi", e.getMessage(), e);
+                }
+
+                break;
+            }
+
             default:
             {
                 result.notImplemented();
@@ -964,6 +982,12 @@ public void onReliableWriteCompleted(BluetoothGatt gatt, int status) {
         @Override
         public void onReadRemoteRssi(BluetoothGatt gatt, int rssi, int status) {
             log(LogLevel.DEBUG, "[onReadRemoteRssi] rssi: " + rssi + " status: " + status);
+            if(status == BluetoothGatt.GATT_SUCCESS) {
+                Protos.ReadRssiResult.Builder p = Protos.ReadRssiResult.newBuilder();
+                p.setRemoteId(gatt.getDevice().getAddress());
+                p.setRssi(rssi);
+                invokeMethodUIThread("ReadRssiResult", p.build().toByteArray());
+            }
         }
 
         @Override

example/ios/Podfile

@@ -10,78 +10,29 @@ project 'Runner', {
   'Release' => :release,
 }
 
-def parse_KV_file(file, separator='=')
-  file_abs_path = File.expand_path(file)
-  if !File.exists? file_abs_path
-    return [];
+def flutter_root
+  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__)
+  unless File.exist?(generated_xcode_build_settings_path)
+    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first"
   end
-  generated_key_values = {}
-  skip_line_start_symbols = ["#", "/"]
-  File.foreach(file_abs_path) do |line|
-    next if skip_line_start_symbols.any? { |symbol| line =~ /^\s*#{symbol}/ }
-    plugin = line.split(pattern=separator)
-    if plugin.length == 2
-      podname = plugin[0].strip()
-      path = plugin[1].strip()
-      podpath = File.expand_path("#{path}", file_abs_path)
-      generated_key_values[podname] = podpath
-    else
-      puts "Invalid plugin specification: #{line}"
-    end
-  end
-  generated_key_values
-end
-
-target 'Runner' do
-  # Flutter Pod
-
-  copied_flutter_dir = File.join(__dir__, 'Flutter')
-  copied_framework_path = File.join(copied_flutter_dir, 'Flutter.framework')
-  copied_podspec_path = File.join(copied_flutter_dir, 'Flutter.podspec')
-  unless File.exist?(copied_framework_path) && File.exist?(copied_podspec_path)
-    # Copy Flutter.framework and Flutter.podspec to Flutter/ to have something to link against if the xcode backend script has not run yet.
-    # That script will copy the correct debug/profile/release version of the framework based on the currently selected Xcode configuration.
-    # CocoaPods will not embed the framework on pod install (before any build phases can generate) if the dylib does not exist.
 
-    generated_xcode_build_settings_path = File.join(copied_flutter_dir, 'Generated.xcconfig')
-    unless File.exist?(generated_xcode_build_settings_path)
-      raise "Generated.xcconfig must exist. If you're running pod install manually, make sure flutter pub get is executed first"
-    end
-    generated_xcode_build_settings = parse_KV_file(generated_xcode_build_settings_path)
-    cached_framework_dir = generated_xcode_build_settings['FLUTTER_FRAMEWORK_DIR'];
-
-    unless File.exist?(copied_framework_path)
-      FileUtils.cp_r(File.join(cached_framework_dir, 'Flutter.framework'), copied_flutter_dir)
-    end
-    unless File.exist?(copied_podspec_path)
-      FileUtils.cp(File.join(cached_framework_dir, 'Flutter.podspec'), copied_flutter_dir)
-    end
+  File.foreach(generated_xcode_build_settings_path) do |line|
+    matches = line.match(/FLUTTER_ROOT\=(.*)/)
+    return matches[1].strip if matches
   end
+  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get"
+end
 
-  # Keep pod path relative so it can be checked into Podfile.lock.
-  pod 'Flutter', :path => 'Flutter'
+require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
 
-  # Plugin Pods
+flutter_ios_podfile_setup
 
-  # Prepare symlinks folder. We use symlinks to avoid having Podfile.lock
-  # referring to absolute paths on developers' machines.
-  system('rm -rf .symlinks')
-  system('mkdir -p .symlinks/plugins')
-  plugin_pods = parse_KV_file('../.flutter-plugins')
-  plugin_pods.each do |name, path|
-    symlink = File.join('.symlinks', 'plugins', name)
-    File.symlink(path, symlink)
-    pod name, :path => File.join(symlink, 'ios')
-  end
+target 'Runner' do
+  flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
 end
 
-# Prevent Cocoapods from embedding a second Flutter framework and causing an error with the new Xcode build system.
-install! 'cocoapods', :disable_input_output_paths => true
-
 post_install do |installer|
   installer.pods_project.targets.each do |target|
-    target.build_configurations.each do |config|
-      config.build_settings['ENABLE_BITCODE'] = 'NO'
-    end
+    flutter_additional_ios_build_settings(target)
   end
 end

example/ios/Podfile.lock

@@ -1,6 +1,4 @@
 PODS:
-  - e2e (0.0.1):
-    - Flutter
   - Flutter (1.0.0)
   - flutter_blue (0.0.1):
     - Flutter
@@ -11,7 +9,6 @@ PODS:
   - Protobuf (3.11.4)
 
 DEPENDENCIES:
-  - e2e (from `.symlinks/plugins/e2e/ios`)
   - Flutter (from `Flutter`)
   - flutter_blue (from `.symlinks/plugins/flutter_blue/ios`)
 
@@ -20,19 +17,16 @@ SPEC REPOS:
     - Protobuf
 
 EXTERNAL SOURCES:
-  e2e:
-    :path: ".symlinks/plugins/e2e/ios"
   Flutter:
     :path: Flutter
   flutter_blue:
     :path: ".symlinks/plugins/flutter_blue/ios"
 
 SPEC CHECKSUMS:
-  e2e: 967b9b1fc533b7636a3b7a719f840c27f301fe1f
-  Flutter: 0e3d915762c693b495b44d77113d4970485de6ec
+  Flutter: 434fef37c0980e73bb6479ef766c45957d4b510c
   flutter_blue: eeb381dc4727a0954dede73515f683865494b370
   Protobuf: 176220c526ad8bd09ab1fb40a978eac3fef665f7
 
-PODFILE CHECKSUM: 3dbe063e9c90a5d7c9e4e76e70a821b9e2c1d271
+PODFILE CHECKSUM: 8e679eca47255a8ca8067c4c67aab20e64cb974d
 
-COCOAPODS: 1.9.1
+COCOAPODS: 1.10.1

example/lib/main.dart

@@ -247,9 +247,22 @@ class DeviceScreen extends StatelessWidget {
               stream: device.state,
               initialData: BluetoothDeviceState.connecting,
               builder: (c, snapshot) => ListTile(
-                leading: (snapshot.data == BluetoothDeviceState.connected)
-                    ? Icon(Icons.bluetooth_connected)
-                    : Icon(Icons.bluetooth_disabled),
+                leading: Column(
+                  mainAxisAlignment: MainAxisAlignment.end,
+                  children: [
+                    Icon(snapshot.data == BluetoothDeviceState.connected
+                        ? Icons.bluetooth_connected
+                        : Icons.bluetooth_disabled),
+                    snapshot.data == BluetoothDeviceState.connected
+                        ? FutureBuilder<int>(
+                        future: device.readRssi(),
+                        builder: (context, snapshot) {
+                          return Text(snapshot.hasData ? '${snapshot.data}' : '',
+                              style: Theme.of(context).textTheme.caption);
+                        })
+                        : Text('', style: Theme.of(context).textTheme.caption),
+                  ],
+                ),
                 title: Text(
                     'Device is ${snapshot.data.toString().split('.')[1]}.'),
                 subtitle: Text('${device.id}'),

ios/Classes/FlutterBluePlugin.m

@@ -253,6 +253,15 @@ - (void)handleMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result {
     }
   } else if([@"requestMtu" isEqualToString:call.method]) {
     result([FlutterError errorWithCode:@"requestMtu" message:@"iOS does not allow mtu requests to the peripheral" details:NULL]);
+  } else if([@"readRssi" isEqualToString:call.method]) {
+    NSString *remoteId = [call arguments];
+    @try {
+      CBPeripheral *peripheral = [self findPeripheral:remoteId];
+      [peripheral readRSSI];
+      result(nil);
+    } @catch(FlutterError *e) {
+      result(e);
+    }
   } else {
     result(FlutterMethodNotImplemented);
   }
@@ -538,6 +547,13 @@ - (void)peripheral:(CBPeripheral *)peripheral didWriteValueForDescriptor:(CBDesc
   [_channel invokeMethod:@"WriteDescriptorResponse" arguments:[self toFlutterData:result]];
 }
 
+- (void)peripheral:(CBPeripheral *)peripheral didReadRSSI:(NSNumber *)rssi error:(NSError *)error {
+  ProtosReadRssiResult *result = [[ProtosReadRssiResult alloc] init];
+  [result setRemoteId:[peripheral.identifier UUIDString]];
+  [result setRssi:[rssi intValue]];
+  [_channel invokeMethod:@"ReadRssiResult" arguments:[self toFlutterData:result]];
+}
+
 //
 // Proto Helper methods
 //