add samples readme

.gitignore

@@ -55,3 +55,6 @@ android/src/main/res/drawable/
 **/*.*~
 **/*.swp
 **/*.~
+.project
+.settings
+.classpath

samples/README.md

@@ -0,0 +1,5 @@
+# react native agora samples
+
+| name | description |
+| :-------------: | :-------------: |
+| [simpleDemo](./simpleDemo) | react-native-agora demo for beginner |

samples/simpleDemo/App.js

@@ -57,7 +57,8 @@ export default class App extends Component<Props> {
       channelProfile: 1,
       videoProfile: 40,
       clientRole: 1,
-      swapWidthAndHeight: true
+      swapWidthAndHeight: true,
+      channelName: 'defaultChannel'
     };
   }
 
@@ -83,6 +84,7 @@ export default class App extends Component<Props> {
         videoProfile={this.state.videoProfile}
         clientRole={this.state.clientRole}
         swapWidthAndHeight={this.state.swapWidthAndHeight}
+        channelName={this.state.channelName}
       ></AgoraRTCView>);
     }
     return (
@@ -119,6 +121,11 @@ export default class App extends Component<Props> {
               this.setState({clientRole: +matched})
             }          }
         } />
+        <TextInput
+          style={{height: 40}}
+          placeholder="Enter channelName"
+          onChnageText={(text) => this.setState({channelName: text})}
+        />
         <TouchableOpacity
           style={styles.button}
           onPress={this.joinChannel}
@@ -128,4 +135,4 @@ export default class App extends Component<Props> {
       </View>
     );
   }
-}
+}

samples/simpleDemo/README.md

@@ -17,6 +17,40 @@
   npm install
   npm run android
   ```
+## Build Signed App
+### Generate keystore file.
+
+  ```bash
+    keytool -genkey -v -keystore my-release-key.keystore -alias my-key-alias -keyalg RSA -keysize 2048 -validity 10000
+  ```
+### Edit android/app/build.gradle
+
+  ```java
+    signingConfigs {
+        release {
+            if (project.hasProperty('MYAPP_RELEASE_STORE_FILE')) {
+                storeFile file(MYAPP_RELEASE_STORE_FILE)
+                storePassword MYAPP_RELEASE_STORE_PASSWORD
+                keyAlias MYAPP_RELEASE_KEY_ALIAS
+                keyPassword MYAPP_RELEASE_KEY_PASSWORD
+            }
+        }
+    }
+  ```
+
+### Edit android/gradle.properties
+
+  ```
+  MYAPP_RELEASE_STORE_FILE=my-release-key.keystore # your keystore file name
+  MYAPP_RELEASE_KEY_ALIAS=my-key-alias # key alias
+  MYAPP_RELEASE_STORE_PASSWORD=****** # password
+  MYAPP_RELEASE_KEY_PASSWORD=****** # password confirm
+  ```
+
+### Build
+  ```
+  npm run build-android
+  ```
 
 # iOS Setup
 
@@ -31,4 +65,4 @@
   ```bash
   npm install
   npm run ios
-  ```
+  ```