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Fix static loading dots - add pulsing animation #18

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Merged
gricha merged 1 commit into from
Jan 7, 2026
Merged

Fix static loading dots - add pulsing animation #18

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58 changes: 42 additions & 16 deletions mobile/src/screens/SessionChatScreen.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ import {
ActivityIndicator,
Keyboard,
ActionSheetIOS,
Animated,
} from 'react-native'
import { useSafeAreaInsets } from 'react-native-safe-area-context'
import { useQuery } from '@tanstack/react-query'
Expand Down Expand Up @@ -197,19 +198,53 @@ function MessageBubble({ message }: { message: ChatMessage }) {
)
}

function ThinkingDots() {
const dot1 = useRef(new Animated.Value(0.3)).current
const dot2 = useRef(new Animated.Value(0.3)).current
const dot3 = useRef(new Animated.Value(0.3)).current

useEffect(() => {
const animate = (dot: Animated.Value, delay: number) => {
return Animated.loop(
Animated.sequence([
Animated.delay(delay),
Animated.timing(dot, { toValue: 1, duration: 300, useNativeDriver: true }),
Animated.timing(dot, { toValue: 0.3, duration: 300, useNativeDriver: true }),
])
)
}

const anim1 = animate(dot1, 0)
const anim2 = animate(dot2, 150)
const anim3 = animate(dot3, 300)

anim1.start()
anim2.start()
anim3.start()

return () => {
anim1.stop()
anim2.stop()
anim3.stop()
}
}, [dot1, dot2, dot3])

return (
<View style={styles.thinkingDots}>
<Animated.View style={[styles.dot, { opacity: dot1 }]} />
<Animated.View style={[styles.dot, { opacity: dot2 }]} />
<Animated.View style={[styles.dot, { opacity: dot3 }]} />
</View>
)
}

function StreamingBubble({ parts }: { parts: MessagePart[] }) {
const hasContent = parts.some(p => p.content.length > 0)

return (
<View style={styles.partsContainer}>
{renderPartsWithPairedTools(parts)}
{!hasContent && (
<View style={styles.thinkingDots}>
<View style={[styles.dot, styles.dot1]} />
<View style={[styles.dot, styles.dot2]} />
<View style={[styles.dot, styles.dot3]} />
</View>
)}
{!hasContent && <ThinkingDots />}
</View>
)
}
Expand Down Expand Up @@ -857,15 +892,6 @@ const styles = StyleSheet.create({
borderRadius: 4,
backgroundColor: '#636366',
},
dot1: {
opacity: 0.4,
},
dot2: {
opacity: 0.6,
},
dot3: {
opacity: 0.8,
},
loadingMore: {
alignItems: 'center',
paddingVertical: 16,
Expand Down