Few demo projects

Author: jsphkhan

.DS_Store

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+{
+  "presets": ["react-native"]
+}

AnimationExample/.babelrc

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+
+[android]
+  target = Google Inc.:Google APIs:23
+
+[maven_repositories]
+  central = https://repo1.maven.org/maven2

AnimationExample/.buckconfig

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+[ignore]
+; We fork some components by platform
+.*/*[.]android.js
+
+; Ignore "BUCK" generated dirs
+<PROJECT_ROOT>/\.buckd/
+
+; Ignore unexpected extra "@providesModule"
+.*/node_modules/.*/node_modules/fbjs/.*
+
+; Ignore duplicate module providers
+; For RN Apps installed via npm, "Libraries" folder is inside
+; "node_modules/react-native" but in the source repo it is in the root
+.*/Libraries/react-native/React.js
+
+; Ignore polyfills
+.*/Libraries/polyfills/.*
+
+; Ignore metro
+.*/node_modules/metro/.*
+
+[include]
+
+[libs]
+node_modules/react-native/Libraries/react-native/react-native-interface.js
+node_modules/react-native/flow/
+node_modules/react-native/flow-github/
+
+[options]
+emoji=true
+
+module.system=haste
+
+munge_underscores=true
+
+module.name_mapper='^[./a-zA-Z0-9$_-]+\.\(bmp\|gif\|jpg\|jpeg\|png\|psd\|svg\|webp\|m4v\|mov\|mp4\|mpeg\|mpg\|webm\|aac\|aiff\|caf\|m4a\|mp3\|wav\|html\|pdf\)$' -> 'RelativeImageStub'
+
+module.file_ext=.js
+module.file_ext=.jsx
+module.file_ext=.json
+module.file_ext=.native.js
+
+suppress_type=$FlowIssue
+suppress_type=$FlowFixMe
+suppress_type=$FlowFixMeProps
+suppress_type=$FlowFixMeState
+
+suppress_comment=\\(.\\|\n\\)*\\$FlowFixMe\\($\\|[^(]\\|(\\(<VERSION>\\)? *\\(site=[a-z,_]*react_native[a-z,_]*\\)?)\\)
+suppress_comment=\\(.\\|\n\\)*\\$FlowIssue\\((\\(<VERSION>\\)? *\\(site=[a-z,_]*react_native[a-z,_]*\\)?)\\)?:? #[0-9]+
+suppress_comment=\\(.\\|\n\\)*\\$FlowFixedInNextDeploy
+suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
+
+[version]
+^0.67.0

AnimationExample/.flowconfig

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+*.pbxproj -text

AnimationExample/.gitattributes

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+# OSX
+#
+.DS_Store
+
+# Xcode
+#
+build/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata
+*.xccheckout
+*.moved-aside
+DerivedData
+*.hmap
+*.ipa
+*.xcuserstate
+project.xcworkspace
+
+# Android/IntelliJ
+#
+build/
+.idea
+.gradle
+local.properties
+*.iml
+
+# node.js
+#
+node_modules/
+npm-debug.log
+yarn-error.log
+
+# BUCK
+buck-out/
+\.buckd/
+*.keystore
+
+# fastlane
+#
+# It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the
+# screenshots whenever they are needed.
+# For more information about the recommended setup visit:
+# https://docs.fastlane.tools/best-practices/source-control/
+
+*/fastlane/report.xml
+*/fastlane/Preview.html
+*/fastlane/screenshots
+
+# Bundle artifact
+*.jsbundle

AnimationExample/.gitignore

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+{}

AnimationExample/.watchmanconfig

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+import React, { Component } from 'react';
+import {
+  Platform,
+  StyleSheet,
+  Text,
+  View,
+  Animated
+} from 'react-native';
+
+export default class App extends Component {
+  constructor(props) {
+    super(props);
+
+    this.state = {
+      animationfactor: new Animated.Value(50),
+      interpolationFactor: new Animated.Value(1),
+      interpolationFactor1: new Animated.Value(0)
+    };
+  }
+  componentDidMount() {
+    Animated.timing(this.state.animationfactor, {
+      toValue: 300,
+      duration: 1000,
+      delay: 1000,
+      //useNativeDriver: true
+    }).start(() => {
+      alert('done'); //callback arrow fn calledd after animation is done
+    });
+
+    Animated.timing(this.state.interpolationFactor, {
+      toValue: 0,
+      duration: 1000,
+      useNativeDriver: true
+    }).start();
+
+    Animated.timing(this.state.interpolationFactor1, {
+      toValue: 1,
+      duration: 1000,
+      useNativeDriver: true
+    }).start();
+  }
+  render() {
+    return (
+      <View style={styles.container}>
+        <Animated.View 
+          style={{width: this.state.animationfactor, height: 10, backgroundColor: 'red', position: 'absolute', left: 20, top: 300}}>
+        </Animated.View>
+
+        <Animated.View style={{
+          width: 100, 
+          height: 100, 
+          backgroundColor: 'green', 
+          opacity: this.state.interpolationFactor.interpolate({
+            inputRange: [0, 1],
+            outputRange: [1, 0]
+          }),
+          transform: [{
+            translateX: this.state.interpolationFactor.interpolate({
+              inputRange: [0, 1],
+              outputRange: [0, 100]
+            })
+          }, {
+            rotate: this.state.interpolationFactor.interpolate({
+              inputRange: [0, 1],
+              outputRange: ['360deg', '0deg']
+            })
+          }]
+        }}>
+        </Animated.View>
+
+        <Animated.View style={{
+          width: 50, 
+          height: 50, 
+          backgroundColor: 'blue', 
+          marginTop: 40,
+          transform: [{
+            scale: this.state.interpolationFactor1.interpolate({
+              inputRange: [0, 1],
+              outputRange: [1, 3]
+            })
+          }, {
+            rotate: this.state.interpolationFactor1.interpolate({
+              inputRange: [0, 1],
+              outputRange: ['0deg', '-415deg']
+            })
+          }]
+        }}>
+        </Animated.View>
+      </View>
+    );
+  }
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    justifyContent: 'center',
+    alignItems: 'center',
+    backgroundColor: '#F5FCFF',
+  },
+
+});

AnimationExample/App.js

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+import React, { Component} from 'react';
+import {
+	View, 
+	Text,
+	Animated,
+	ScrollView,
+	StyleSheet,
+	Dimensions
+} from 'react-native';
+
+export default class ScrollViewAnimationExample extends Component {
+	constructor(props) {
+		super(props);
+		this.data = [1,2,3,4,5,6,7,8,1,2,3,4,5,6,7,8,1,2,3,4,5,6,7,8,1,2,3,4,5,6,7,8];
+		this.state = {
+			xOffset: new Animated.Value(0)
+		}
+	}
+	render() {
+		return (
+			<View style={{flex: 1, padding: 20}}>
+				<Animated.View style={{
+					width: 50, 
+					height: 50, 
+					backgroundColor: 'red',
+					transform: [{
+						translateX: this.state.xOffset
+					}]
+				}}>
+				</Animated.View>
+				<Animated.ScrollView 
+				  scrollEventThrottle={16}
+				  horizontal={false}
+				  paginEnabled={false}
+				  showsHorizontalScrollIndicator={false}
+				  onScroll={Animated.event(
+				  	[
+				  		{
+				  			nativeEvent: {
+				  				contentOffset: {
+				  					y: this.state.xOffset
+				  				}
+				  			}
+				  		}
+			  	  	], 
+			  	  	{useNativeDriver: true})
+				  }>
+					{this.data.map((item, index) => {
+						return (
+							<View key={index} style={styles.row}>
+								<Text>{`This is row ${item}`}</Text>
+							</View>
+						)
+					})}	
+				</Animated.ScrollView>
+			</View>
+		);
+	}
+}
+
+const styles = StyleSheet.create({
+	row: {
+		padding: 10,
+		backgroundColor: '#ccc',
+		marginBottom: 5,
+		flex: 1,
+		width: Dimensions.get('window').width
+	}
+});

AnimationExample/ScrollViewAnimationExample.js

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+# To learn about Buck see [Docs](https://buckbuild.com/).
+# To run your application with Buck:
+# - install Buck
+# - `npm start` - to start the packager
+# - `cd android`
+# - `keytool -genkey -v -keystore keystores/debug.keystore -storepass android -alias androiddebugkey -keypass android -dname "CN=Android Debug,O=Android,C=US"`
+# - `./gradlew :app:copyDownloadableDepsToLibs` - make all Gradle compile dependencies available to Buck
+# - `buck install -r android/app` - compile, install and run application
+#
+
+lib_deps = []
+
+for jarfile in glob(['libs/*.jar']):
+  name = 'jars__' + jarfile[jarfile.rindex('/') + 1: jarfile.rindex('.jar')]
+  lib_deps.append(':' + name)
+  prebuilt_jar(
+    name = name,
+    binary_jar = jarfile,
+  )
+
+for aarfile in glob(['libs/*.aar']):
+  name = 'aars__' + aarfile[aarfile.rindex('/') + 1: aarfile.rindex('.aar')]
+  lib_deps.append(':' + name)
+  android_prebuilt_aar(
+    name = name,
+    aar = aarfile,
+  )
+
+android_library(
+    name = "all-libs",
+    exported_deps = lib_deps,
+)
+
+android_library(
+    name = "app-code",
+    srcs = glob([
+        "src/main/java/**/*.java",
+    ]),
+    deps = [
+        ":all-libs",
+        ":build_config",
+        ":res",
+    ],
+)
+
+android_build_config(
+    name = "build_config",
+    package = "com.animationexample",
+)
+
+android_resource(
+    name = "res",
+    package = "com.animationexample",
+    res = "src/main/res",
+)
+
+android_binary(
+    name = "app",
+    keystore = "//android/keystores:debug",
+    manifest = "src/main/AndroidManifest.xml",
+    package_type = "debug",
+    deps = [
+        ":app-code",
+    ],
+)