update docs

docs/v2/android.md

 
 # Step 1. Add `AndroidManifest.xml`
 ```xml
-<uses-permission android:name="android.permission.RECORD_AUDIO" />
-<uses-permission android:name="android.permission.CAMERA" />
-<uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
-<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+  <uses-permission android:name="android.permission.RECORD_AUDIO" />
+  <uses-permission android:name="android.permission.CAMERA" />
+  <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
+  <uses-permission android:name="android.permission.INTERNET" />
+  <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>
 ```
 
 # Step 2. Add `react-native-agora` to `settings.gradle`

docs/v2/android.zh.md

 
 # Step 1. 新增 `AndroidManifest.xml`
 ```xml
-<uses-permission android:name="android.permission.RECORD_AUDIO" />
-<uses-permission android:name="android.permission.CAMERA" />
-<uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
-<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+  <uses-permission android:name="android.permission.RECORD_AUDIO" />
+  <uses-permission android:name="android.permission.CAMERA" />
+  <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
+  <uses-permission android:name="android.permission.INTERNET" />
+  <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>
 ```
 
 # Step 2. 在android目录里的`settings.gradle`新增`react-native-agora`的依赖管理

docs/v2/ios.md

 
 # Step 1. install pod dependencies
 ```bash
+cd ios
 pod install
 ```
+pod install success will create `<projectName>`.xcworkspace file in ios folder.
 
-# Step 2. Open Workspace Project in Xcode  
+# Step 2. Open the xcworkspace Project in Xcode  
 Open `ios/projectName.xcworkspace` with XCode
 ![Step 2](./IOS_INSTALLATION/1.2_OpenProject.png)
 
 # Step 3. Add RCTAgora to the Project Libraries folder
 ![Step 3.1](./IOS_INSTALLATION/1.3_Add_Files_To_Project.png)
 ![Step 3.2](./IOS_INSTALLATION/1.3.1_RCTAgora.png)
+select the AgoraRtcEngineKit and re-added by below steps.
+![Step 3.3](./IOS_INSTALLATION/1.3.3_UPDATE_RCTAgora_AgoraRtcEngineKit_Framework.png)
+![Step 3.4](./IOS_INSTALLATION/1.3.4_SELECT_AgoraRtcEngineKit_from_iOS_Pods_folder.png)
+![Step 3.5](./IOS_INSTALLATION/1.3.5_DRAG_IT_INTO_Link_Binary_With_Libraries.png)
 
-# Step 4. Add Linked Library to the xcode project
-![Step 4.1](./IOS_INSTALLATION/1.4.1_SET_LINKED_LIBARIES.png)
-![Step 4.2](./IOS_INSTALLATION/1.4.1_SET_LINKED_LIBARIES.png)
-![Step 4.3](./IOS_INSTALLATION/1.4.2_SET_RCTAgora.a.png)
-
-# Step 5. Set Framework and Libraries Search Paths
-![Step 5.1](./IOS_INSTALLATION/1.5.1_Add_Framework_Search_Paths.png)
-![Step 5.2](./IOS_INSTALLATION/1.5.2_Add_Library_Search_Paths.png)
-
-
-# Step 6. build and run it with xcode
+# Step 4. Only Add Linked Library to the xcode project
+![Step 4.3](./IOS_INSTALLATION/1.4.1_SET_RCTAgora.a.png)
 
+# Step 5. build and run it with xcode

docs/v2/ios.zh.md

 # Step 3. 在项目里新增RCTAgora项目到Libraries目录里
 ![Step 3.1](./IOS_INSTALLATION/1.3_Add_Files_To_Project.png)
 ![Step 3.2](./IOS_INSTALLATION/1.3.1_RCTAgora.png)
+根据以下的步骤。重新加载RCTAgora里面的AgoraRtcEngineKit。
+![Step 3.3](./IOS_INSTALLATION/1.3.3_UPDATE_RCTAgora_AgoraRtcEngineKit_Framework.png)
+![Step 3.4](./IOS_INSTALLATION/1.3.4_SELECT_AgoraRtcEngineKit_from_iOS_Pods_folder.png)
+![Step 3.5](./IOS_INSTALLATION/1.3.5_DRAG_IT_INTO_Link_Binary_With_Libraries.png)
 
-# Step 4. 把react-native-agora添加到linked libraries里
-![Step 4.1](./IOS_INSTALLATION/1.4.1_SET_LINKED_LIBARIES.png)
-![Step 4.2](./IOS_INSTALLATION/1.4.1_SET_LINKED_LIBARIES.png)
-![Step 4.3](./IOS_INSTALLATION/1.4.2_SET_RCTAgora.a.png)
+# Step 4. 把RCTAgora.a 添加到linked libraries里
+![Step 4.3](./IOS_INSTALLATION/1.4.1_SET_RCTAgora.a.png)
 
-# Step 5. 设置 Framework & Libraries Search Paths
-![Step 5.1](./IOS_INSTALLATION/1.5.1_Add_Framework_Search_Paths.png)
-![Step 5.2](./IOS_INSTALLATION/1.5.2_Add_Library_Search_Paths.png)
-
-
-# Step 6. xcode 编译并运行
+# Step 5. xcode 编译并运行
 

samples/simpleDemo/ios/simpleDemo.xcodeproj/project.pbxproj

 		00C302E91ABCBA2D00DB3ED1 /* libRCTNetwork.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 00C302DC1ABCB9D200DB3ED1 /* libRCTNetwork.a */; };
 		00C302EA1ABCBA2D00DB3ED1 /* libRCTVibration.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 00C302E41ABCB9EE00DB3ED1 /* libRCTVibration.a */; };
 		00E356F31AD99517003FC87E /* simpleDemoTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 00E356F21AD99517003FC87E /* simpleDemoTests.m */; };
-		0842E3912206D315003875AC /* libc++.tbd in Frameworks */ = {isa = PBXBuildFile; fileRef = 0842E36A2206D315003875AC /* libc++.tbd */; };
-		0842E3932206D31B003875AC /* libresolv.tbd in Frameworks */ = {isa = PBXBuildFile; fileRef = 0842E3922206D31B003875AC /* libresolv.tbd */; };
-		0842E3952206D320003875AC /* AVFoundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0842E3942206D320003875AC /* AVFoundation.framework */; };
-		0842E3982206D32B003875AC /* VideoToolbox.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0842E3962206D32B003875AC /* VideoToolbox.framework */; };
-		0842E3992206D32B003875AC /* AudioToolbox.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0842E3972206D32B003875AC /* AudioToolbox.framework */; };
-		0842E39C2206D332003875AC /* CoreMedia.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0842E39A2206D331003875AC /* CoreMedia.framework */; };
-		0842E39D2206D332003875AC /* CoreMotion.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0842E39B2206D332003875AC /* CoreMotion.framework */; };
-		0842E39F2206D338003875AC /* CoreTelephony.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0842E39E2206D338003875AC /* CoreTelephony.framework */; };
 		08CCEBFC221537CD003E31DF /* libRCTAgora.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 08CCEBD7221536C0003E31DF /* libRCTAgora.a */; };
 		11D1A2F320CAFA9E000508D9 /* libRCTAnimation.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 5E9157331DD0AC6500FF2AA8 /* libRCTAnimation.a */; };
 		133E29F31AD74F7200F7D852 /* libRCTLinking.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 78C398B91ACF4ADC00677621 /* libRCTLinking.a */; };
 			buildActionMask = 2147483647;
 			files = (
 				08CCEBFC221537CD003E31DF /* libRCTAgora.a in Frameworks */,
-				0842E39F2206D338003875AC /* CoreTelephony.framework in Frameworks */,
-				0842E39C2206D332003875AC /* CoreMedia.framework in Frameworks */,
-				0842E39D2206D332003875AC /* CoreMotion.framework in Frameworks */,
-				0842E3982206D32B003875AC /* VideoToolbox.framework in Frameworks */,
-				0842E3992206D32B003875AC /* AudioToolbox.framework in Frameworks */,
-				0842E3952206D320003875AC /* AVFoundation.framework in Frameworks */,
-				0842E3932206D31B003875AC /* libresolv.tbd in Frameworks */,
-				0842E3912206D315003875AC /* libc++.tbd in Frameworks */,
 				ED297163215061F000B7C4FE /* JavaScriptCore.framework in Frameworks */,
 				ADBDB9381DFEBF1600ED6528 /* libRCTBlob.a in Frameworks */,
 				11D1A2F320CAFA9E000508D9 /* libRCTAnimation.a in Frameworks */,
 			baseConfigurationReference = AF777D8452EEC1290F3E6AE9 /* Pods-simpleDemo.debug.xcconfig */;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CODE_SIGN_IDENTITY = "iPhone Developer";
 				CODE_SIGN_STYLE = Manual;
 				CURRENT_PROJECT_VERSION = 1;
 				DEAD_CODE_STRIPPING = NO;
 					"-ObjC",
 					"-lc++",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = io.agora.simpleDemo;
+				PRODUCT_BUNDLE_IDENTIFIER = tori.mobi.agora;
 				PRODUCT_NAME = simpleDemo;
 				PROVISIONING_PROFILE_SPECIFIER = "";
 				VERSIONING_SYSTEM = "apple-generic";
 			baseConfigurationReference = 1CD9D1AEC7C4C297784C698B /* Pods-simpleDemo.release.xcconfig */;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CODE_SIGN_IDENTITY = "iPhone Developer";
 				CODE_SIGN_STYLE = Manual;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_TEAM = "";
 					"-ObjC",
 					"-lc++",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = io.agora.simpleDemo;
+				PRODUCT_BUNDLE_IDENTIFIER = tori.mobi.agora;
 				PRODUCT_NAME = simpleDemo;
 				PROVISIONING_PROFILE_SPECIFIER = "";
 				VERSIONING_SYSTEM = "apple-generic";