RN-237 Re-added workaround for pressing enter on Android (#679)

* Stop 'make stop-packager' from erroring when packager isn't running

* RN-237 Re-added workaround for pressing enter on Android

Makefile

@@ -113,7 +113,9 @@ start-packager:
 
 stop-packager:
 	@echo Stopping React Native packager server
-	@kill -9 `cat server.PID` && rm server.PID
+	@if [ -e "server.PID" ] ; then \
+		kill -9 `cat server.PID` && rm server.PID; \
+	fi
 
 check-ios-target:
 ifneq ($(ios_target), $(filter $(ios_target), dev beta release))

app/components/post_textbox/post_textbox.js

@@ -217,6 +217,20 @@ class PostTextbox extends PureComponent {
         });
     };
 
+    handleSubmit = () => {
+        // Workaround for android as the multiline is not working
+        if (Platform.OS === 'android') {
+            if (this.timeout) {
+                clearTimeout(this.timeout);
+            }
+            this.timeout = setTimeout(() => {
+                let {value: msg} = this.props;
+                msg += '\n';
+                this.handleTextChange(msg);
+            }, 10);
+        }
+    };
+
     attachAutocomplete = (c) => {
         this.autocomplete = c;
     };
@@ -453,6 +467,7 @@ class PostTextbox extends PureComponent {
                             blurOnSubmit={false}
                             underlineColorAndroid='transparent'
                             style={[style.input, {height: textInputHeight}]}
+                            onSubmitEditing={this.handleSubmit}
                             onLayout={this.handleInputSizeChange}
                         />
                         {this.canSend() &&