aso-cosmicmeta-ss

分类: 工具与效率 | 上传者: abutun | 下载: 0 | 版本: v1.0（最新）
通过设备框架、利益驱动的标题和多语言支持，为 iOS 和 Android 生成高转化率的 App Store 和 Google Play 屏幕截图
更新日志: Source: GitHub https://github.com/abutun/claude-skill-aso-cosmicmeta-ss
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📁 assets/
- 📄 android_frame.png 12.2 KB
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📄 .gitignore 237 B
📄 CLAUDE.md 1.6 KB
📄 compose.py 11.2 KB
📄 gemini_enhance.py 31.5 KB
📄 generate_frame.py 15.3 KB
📄 LICENSE 1.0 KB
📄 README.md 13.8 KB
📄 showcase.py 3.8 KB
📄 SKILL.md 22.7 KB
📄 update.py 4.5 KB
📄 VERSION 6 B
SKILL.md

---
name: aso-cosmicmeta-ss
description: Generate high-converting App Store & Google Play screenshots for iOS and Android with device frames, benefit-driven headlines, and multi-language support
trigger: When users want to create app store screenshots, app listing visuals, or ASO screenshot assets for Apple App Store and/or Google Play Store
---

# ASO Screenshot Generator — iOS & Android

Generate 6-8 polished, high-converting App Store and Google Play screenshots with device frames, benefit-driven headlines, and multi-language support. Produces pixel-perfect images for both platforms simultaneously.

**Output dimensions:**
- iOS (Apple App Store): 1320 × 2868 px (iPhone 6.9" / 16 Pro Max)
- Android (Google Play): 1080 × 1920 px (standard phone)

---

## Phase 1 — Configuration & Recall

### Version check
Before anything else, check if a newer version of this skill is available:

```bash
python3 update.py --check
```

If a new version is available, inform the user and suggest updating:
```bash
python3 update.py --update
```

### Check for saved progress
Check Claude Code memory for any saved progress on this project:
- Look for memory entries related to "aso-screenshots", "store-screenshots", or the project name
- If found, present status of completed phases and ask whether to resume or start fresh

### Gather inputs from user

Ask the user for the following configuration. Present as a clean checklist:

1. **Target platforms** — Which platforms? (default: phone only — iOS and Android)
   - iOS phone (Apple App Store) — 1320×2868
   - Android phone (Google Play Store) — 1080×1920
   - iPad Pro 13" (App Store Connect) — 2064×2752
   - Android tablet (Google Play Large Screen) — 1600×2560
   - Phone only (iOS + Android)
   - All platforms (phone + tablet, both iOS and Android)

2. **Number of screenshots** — How many per platform? (default: 6)
   - 6 screenshots (recommended minimum)
   - 8 screenshots (maximum coverage)

3. **Language** — What language for headline text? (default: English)
   - **Recommended**: Generate in English first, then use Gemini to translate to additional languages (see Phase 6)
   - Or specify a single language directly (English, Turkish, Spanish, German, Japanese, etc.)
   - English-first approach is faster and produces more consistent results across languages

4. **Screenshot source** — Where are the app screenshots coming from?
   - **Auto-capture**: I'll guide you through taking simulator screenshots
   - **Manual input**: User provides screenshot image files directly (PNG/JPG paths)

5. **Brand colour** — Background hex colour (e.g., #E31837)
   - If not provided, attempt to auto-detect from codebase (look for theme colors, brand constants, primary colors in the project)
   - If no codebase available, ask the user

6. **Gemini AI Model** (Required) — All screenshots are enhanced with Gemini AI
   - **Model**: Which Gemini model to use (must pick one)
     - `nano-banana-pro` — Higher quality, slower (recommended for final output)
     - `nano-banana-2` — Faster, good quality (recommended for iteration)
   - **API key**: Gemini API key for authentication (required)
     - Can be provided directly, via `GEMINI_API_KEY` environment variable, or saved to `.gemini_config.json`
     - To save the key for future use: `python3 gemini_enhance.py --save-key "YOUR_KEY"`
   - **IMPORTANT**: The workflow will not proceed without a valid Gemini API key and model selection

Save all configuration to memory:
```
memory_key: aso-screenshots-config
data: { platforms, count, language, source_mode, brand_colour, project_name, gemini_model, gemini_api_key_configured }
```

---

## Phase 2 — Benefit Discovery

Identify the app's core value propositions that will become screenshot headlines.

### If codebase is available:
1. Analyze the app's codebase to identify **6-8 core benefits** (matching requested screenshot count)
2. Focus on features that are visually demonstrable in screenshots
3. **IMPORTANT**: Skip any paywall, subscription, or in-app purchase screens — these must NOT appear in store screenshots

### If no codebase (manual mode):
1. Ask the user to describe their app's key features and benefits
2. Collaboratively refine the list

### Headline format
Each benefit needs two parts:
- **Verb** — A bold action word (1-2 words max). Examples: TRACK, DISCOVER, ORGANIZE, CONNECT, CREATE, MONITOR, PLAN, SHARE
- **Descriptor** — What the user achieves (2-5 words). Examples: YOUR DAILY MOOD, NEW CONNECTIONS, WEEKLY GOALS

**Language adaptation**: If the configured language is not English, translate both verb and descriptor naturally. Don't do literal translations — use idiomatic expressions that sound compelling in the target language.

**CRITICAL — Language-specific characters**: When using non-English languages, pay strict attention to special characters and their correct uppercase/lowercase forms. Headlines are rendered in ALL CAPS, so correct uppercasing is essential:
- **Turkish**: İ/i (not I/i), Ç/ç, Ö/ö, Ü/ü, Ğ/ğ, Ş/ş — e.g., "İZLE" not "IZLE", "GÜÇLÜ" not "GUCLU"
- **German**: Ä/ä, Ö/ö, Ü/ü, ß/SS — e.g., "ÜBERBLICK" not "UBERBLICK"
- **Spanish/French**: accented characters (É, Ñ, À, etc.) must be preserved in uppercase
- **All languages**: Never strip, replace, or ASCII-ify special characters. They are required for correct spelling and readability.

### Present to user
Show the complete benefit list as a numbered table:

| # | Verb | Descriptor | Combined Headline |
|---|------|------------|-------------------|
| 1 | TRACK | YOUR DAILY MOOD | TRACK YOUR DAILY MOOD |
| 2 | ... | ... | ... |

Ask user to approve, modify, or reorder. Iterate until approved.

Save to memory:
```
memory_key: aso-screenshots-benefits
data: { benefits: [{ verb, descriptor, order }], language }
```

---

## Phase 3 — Screenshot Pairing

### If Auto-capture mode:
1. Guide user through taking simulator screenshots for each benefit
2. For each screenshot provided, assess quality honestly:
   - **Great** — Perfect, ready to use
   - **Usable** — Minor issues but workable
   - **Retake** — Recommend retaking (explain why)
3. Match screenshots to benefits based on relevance and visual impact

### If Manual input mode:
1. Ask user to provide paths to their screenshot files
2. Accept any of: absolute paths, relative paths, glob patterns
3. Display thumbnails/filenames and let user assign each to a benefit
4. If fewer screenshots than benefits, ask user to provide more or reduce benefit count

### Screenshot rules
- **NO paywall screenshots** — Skip any screen showing subscription plans, pricing, or IAP items
- **NO purchase confirmation screens** — Skip any checkout or payment success screens
- Prefer screens that show the app's core functionality in action
- Prefer screens with visible content/data rather than empty states

### Quality check
For each screenshot, verify:
- Resolution is sufficient (warn if below 1320px wide for iOS or 1080px for Android)
- Content is appropriate (no placeholder/debug data)
- Screen shows a compelling state of the feature

Save pairings to memory:
```
memory_key: aso-screenshots-pairings
data: { pairings: [{ benefit_index, screenshot_path, assessment }] }
```

---

## Phase 4 — Generation

### Prerequisites
Ensure Python dependencies are available:
```bash
pip install Pillow
```

### Generate device frames (if not already present)
```bash
python generate_frame.py
```
This creates:
- `assets/iphone_frame.png` (iPhone 16 Pro Max)
- `assets/android_frame.png` (Pixel-style phone)
- `assets/ipad_frame.png` (iPad Pro 13")
- `assets/android_tablet_frame.png` (Android 10" tablet)

### Generate screenshots

Output filenames follow the format `{LANG_CODE}_{SS_NUMBER}` (e.g., `en_01.png`, `en_02.png`).

**CRITICAL — pairing rule**: Screenshot number N (filename `en_0N.png`) ALWAYS uses the Nth pairing (1st pairing for en_01, 2nd pairing for en_02, etc.). There is NO "cover" screenshot without a headline — every single compose.py call must have `--verb` and `--desc` from a real pairing. If you pass empty `--verb` or `--desc`, compose.py will error.

Concretely, for N screenshots, run EXACTLY N compose.py calls:

- `en_01.png` → pairing 1 (first benefit, first screenshot)
- `en_02.png` → pairing 2 (second benefit, second screenshot)
- `en_03.png` → pairing 3
- … and so on through `en_0N.png` → pairing N

```bash
# Screenshot 1 — first pairing
python compose.py \
  --platform ios \
  --bg "{brand_colour}" \
  --verb "{verb_1}" \
  --desc "{descriptor_1}" \
  --screenshot "{screenshot_1}" \
  --output "output/en/ios/en_01.png"

# Screenshot 2 — second pairing
python compose.py \
  --platform ios \
  --bg "{brand_colour}" \
  --verb "{verb_2}" \
  --desc "{descriptor_2}" \
  --screenshot "{screenshot_2}" \
  --output "output/en/ios/en_02.png"

# … continue through all N pairings in order …

# Screenshot N — Nth pairing
python compose.py \
  --platform ios \
  --bg "{brand_colour}" \
  --verb "{verb_N}" \
  --desc "{descriptor_N}" \
  --screenshot "{screenshot_N}" \
  --output "output/en/ios/en_0N.png"
```

Run the same set of commands for each additional platform (android, ipad, android_tablet) using the same verbs/descs and the appropriate screenshot paths.

**Note on tablet screenshots**: Tablet app screenshots should ideally be taken from the iPad/tablet simulator. If the user only has phone screenshots, they can still be used — compose.py will scale them to fit the device screen area.

### Output directory structure
```
output/
  en/                          ← default language (English)
    ios/
      en_01.png  (1320×2868)
      en_02.png
      ...
    android/
      en_01.png  (1080×1920)
      en_02.png
      ...
    ipad/                      ← only if tablet selected
      en_01.png  (2064×2752)
      en_02.png
      ...
    android_tablet/            ← only if tablet selected
      en_01.png  (1600×2560)
      en_02.png
      ...
```

### Composition review — REQUIRED before enhancement

**STOP HERE. Do not proceed to Gemini enhancement until the user has reviewed and approved.**

After all compose.py commands have run, open each composed screenshot and present them to the user:

1. Display every composed output file inline so the user can see them
2. Run a quick automated check on each:
   - Text is readable and properly centered
   - Device frame is correctly positioned
   - Screenshot content is visible and well-framed
   - No clipping of important content
3. Present a clear summary table:

| # | File | Text | Frame | Content | Status |
|---|------|------|-------|---------|--------|
| 1 | en_01.png | ✓ | ✓ | ✓ | Ready |
| 2 | en_02.png | ✓ | ✓ | ✓ | Ready |
| … | … | … | … | … | … |

4. **Ask the user explicitly:**
   > "These are your composed screenshots before AI enhancement. Everything look good? Any text, layout, or content issues to fix before I send them to Gemini?"

5. **Wait for approval.** If the user requests changes:
   - Adjust the relevant `compose.py` command (verb, desc, bg colour, screenshot path)
   - Regenerate only the affected screenshots
   - Show the updated files and ask again
   - Repeat until the user confirms all screenshots are approved

6. Only after explicit approval, proceed to AI enhancement below.

> **Why this step matters**: Gemini enhancement is irreversible and consumes API quota. Catching layout or text issues at the compose stage (free, instant) is always better than discovering them after enhancement.

### Consistency
- The first approved screenshot sets the visual tone for the set
- All screenshots must use the same brand colour, font sizing pattern, and layout style
- Maintain visual rhythm across the set — they should look like a cohesive collection

### AI Enhancement with Gemini (Required — only after user approval above)
After the user has approved all composed screenshots, run `gemini_enhance.py` to produce the final polished output. This is the critical step that transforms plain mockups into premium, high-converting visuals.

```bash
# Enhance a single screenshot with app context
python3 gemini_enhance.py \
  --input "output/en/ios/en_{n}.png" \
  --output "output/en/ios/en_{n}.png" \
  --model "{gemini_model}" \
  --app-desc "{short app description}" \
  --bg-color "{brand_colour}" \
  --lang-code "en" \
  --index {n}

# Batch enhance an entire directory (with --lang-code for proper naming)
python3 gemini_enhance.py \
  --input-dir output/en/ios/ \
  --output-dir output/en/ios/ \
  --model "{gemini_model}" \
  --app-desc "{short app description}" \
  --bg-color "{brand_colour}" \
  --lang-code "en"

# Tablet platforms use the same command with different directories
python3 gemini_enhance.py \
  --input-dir output/en/ipad/ \
  --output-dir output/en/ipad/ \
  --model "{gemini_model}" \
  --app-desc "{short app description}" \
  --bg-color "{brand_colour}" \
  --lang-code "en"
```

**Available models:**
- `nano-banana-pro` — Higher quality enhancement (recommended for final output)
- `nano-banana-2` — Faster enhancement, good quality (recommended for iteration)

**What Gemini enhancement does:**
- **Text readability**: Ensures headline text has maximum contrast (white on dark, dark on light) with glows and shadows
- **Floating decorative elements**: Adds app-related icons, abstract shapes, particles, and sparkles around the device
- **3D perspective**: Alternates between straight-on and tilted device angles for visual variety
- **Rich backgrounds**: Enhances flat backgrounds with gradients, organic shapes, ambient lighting, and depth
- **Breakout effects**: Elements that extend beyond the device frame for dynamic compositions
- **Professional polish**: Shadows, reflections, lens flares, and lighting that make each screenshot feel designer-crafted
- **Always** enforces exact store-required dimensions after AI processing

**The script alternates between two built-in prompt styles** (even/odd screenshots) to create visual variety across the set while maintaining consistency.

**API key resolution order:**
1. `--api-key` CLI argument
2. `GEMINI_API_KEY` environment variable
3. `.gemini_config.json` file (saved via `--save-key`)

Save generation state to memory:
```
memory_key: aso-screenshots-generation
data: { generated: [{ benefit_index, platform, output_path, status }] }
```

---

## Phase 5 — Showcase & Delivery

### Generate showcase preview
```bash
python showcase.py \
  --ios output/en/ios/en_01.png output/en/ios/en_02.png output/en/ios/en_03.png \
  --android output/en/android/en_01.png output/en/android/en_02.png output/en/android/en_03.png \
  --output showcase.png
```

### Present results
1. Show the showcase image to the user
2. List all generated files with their dimensions
3. Provide upload instructions:

**For Apple App Store Connect:**
- Navigate to your app > App Store tab > Screenshots section
- Upload each iOS screenshot in order (screenshot_1 through screenshot_N)
- Select "iPhone 6.9-inch Display" as the device type

**For Google Play Console:**
- Navigate to your app > Store listing > Phone screenshots
- Upload each Android screenshot in order
- Ensure "Phone" device type is selected

### Final checklist
- [ ] All screenshots are the correct dimensions
- [ ] Headlines are in the correct language
- [ ] No paywall or IAP screens included
- [ ] Screenshots show compelling app states
- [ ] Visual style is consistent across all screenshots
- [ ] Both platforms have matching content (same benefits, same order)

---

## Phase 6 — Multi-Language Translation (Optional)

Use Gemini to generate translated versions of your English screenshots. This is faster than re-running the full pipeline and works for any number of languages.

### Prerequisites
- English screenshots must already be generated and enhanced (Phase 4 output)
- Same Gemini model and API key from Phase 4

### Pre-translation questions — ask before every language

Before running any translate command, ask the user these two questions:

**Question 1 — Style matching:**
> "Should the translated screenshots keep the same visual style as the English originals (same background colour, gradients, decorative elements)? **[Y/n, default Yes]**"

- **Yes (default)** → omit `--no-style-match` (style is preserved)
- **No** → add `--no-style-match` (Gemini may adapt gradients and decorative elements for the locale)

**Question 2 — Cultural elements:**
> "Should culturally specific visual elements be added for this language (e.g., Ottoman tiles for Turkish, cherry blossoms for Japanese)? **[y/N, default No]**"

- **No (default)** → omit `--cultural-elements`
- **Yes** → add `--cultural-elements` (Gemini weaves culturally resonant motifs into decorative areas)

Save answers to memory and apply them to every `gemini_enhance.py` translate call for this language run.

---

### Translate a single language

Always pass `--lang-code` so output files are named correctly (`tr_01.png`, `tr_02.png`, etc.).
Add `--no-style-match` and/or `--cultural-elements` based on the user's answers above.

```bash
# Translate all iOS phone screenshots to Turkish
# (example with style preserved, no cultural elements — the defaults)
python3 gemini_enhance.py \
  --input-dir output/en/ios/ \
  --output-dir output/tr/ios/ \
  --model "{gemini_model}" \
  --translate-to "Turkish" \
  --lang-code "tr"

# Same, but with style adaptation and cultural elements enabled
python3 gemini_enhance.py \
  --input-dir output/en/ios/ \
  --output-dir output/tr/ios/ \
  --model "{gemini_model}" \
  --translate-to "Turkish" \
  --lang-code "tr" \
  --no-style-match \
  --cultural-elements

# Translate all Android phone screenshots to German
# (append --no-style-match and/or --cultural-elements per user answers)
python3 gemini_enhance.py \
  --input-dir output/en/android/ \
  --output-dir output/de/android/ \
  --model "{gemini_model}" \
  --translate-to "German" \
  --lang-code "de"

# Translate iPad screenshots (same pattern, same optional flags)
python3 gemini_enhance.py \
  --input-dir output/en/ipad/ \
  --output-dir output/tr/ipad/ \
  --model "{gemini_model}" \
  --translate-to "Turkish" \
  --lang-code "tr"

# Translate Android tablet screenshots
python3 gemini_enhance.py \
  --input-dir output/en/android_tablet/ \
  --output-dir output/tr/android_tablet/ \
  --model "{gemini_model}" \
  --translate-to "Turkish" \
  --lang-code "tr"
```

### Translate a single screenshot

```bash
python3 gemini_enhance.py \
  --input output/en/ios/en_01.png \
  --output output/tr/ios/tr_01.png \
  --model "{gemini_model}" \
  --translate-to "Turkish" \
  --lang-code "tr"
  # add --no-style-match and/or --cultural-elements if the user chose those options
```

### Batch translate multiple languages

Run once per target language. Always source from `output/en/`. Output structure:

```
output/
  en/                          ← default English (source for all translations)
    ios/             (en_01.png … en_0N.png)
    android/
    ipad/
    android_tablet/
  tr/                          ← Turkish
    ios/             (tr_01.png … tr_0N.png)
    android/
    ipad/
    android_tablet/
  de/                          ← German
    ios/
    android/
    ...
  ja/                          ← Japanese
    ios/
    android/
    ...
```

### Supported languages
Any language Gemini understands. Use full names for best results:
- European: Turkish, German, French, Spanish, Italian, Portuguese, Dutch, Polish, Ukrainian
- Asian: Japanese, Korean, Simplified Chinese, Traditional Chinese, Hindi, Thai, Indonesian
- Others: Arabic, Russian, etc.

### Cultural touches
When `--lang-code` is provided, Gemini automatically integrates culturally resonant visual elements into the screenshot:

| Code | Cultural aesthetic added |
|------|--------------------------|
| `tr` | Ottoman geometric tiles, tulip motifs, terracotta & turquoise |
| `de` | Bauhaus geometry, cool steel blues, structured minimalism |
| `fr` | Art Nouveau curves, gold accents, Parisian elegance |
| `ja` | Cherry blossoms, wave motifs, generous negative space |
| `ko` | Hanji paper texture, bojagi color geometry |
| `zh` | Cloud ruyi patterns, bamboo, red & gold accents |
| `ar` | Arabesque geometry, crescent motifs, lapis blue & gold |
| `ru` | Constructivist geometry, deep reds & golds |
| `es` | Moorish tile hints, sienna tones, Mediterranean vitality |
| `it` | Renaissance composition, terracotta & cobalt |
| `pt` | Azulejo tile patterns, deep indigo blues |
| `hi` | Mandala patterns, saffron & marigold, Mughal geometry |
| `ja` | Cherry blossom, wabi-sabi, ink-wash texture |
| `uk` | Petrykivka folk florals, sunflowers, blue & gold |

These are woven into decorative elements and backgrounds — never stereotypical, always tasteful.

### Quality notes
- **Idiomatic translation**: Gemini uses natural, compelling language — not literal word-for-word translation
- **Special characters**: The prompt enforces correct character preservation (İ, Ğ, Ü, Ä, etc.)
- **Cultural consistency**: Each language version has its own cultural visual identity while maintaining brand colour
- **Review recommended**: Spot-check a few screenshots per language, especially for languages with non-Latin scripts

### Final checklist for translated sets
- [ ] Headline text is in the correct language and reads naturally
- [ ] Special characters are correct (no ASCII substitutions)
- [ ] Text contrast and readability is preserved
- [ ] Device frame and app content are unchanged
- [ ] All screenshots per language are the correct platform dimensions

---

## Design Guidelines

### Text Safety
- Headlines must stay within the center 70% of canvas width
- Text should never touch or overlap the device frame
- Minimum 40px gap between text bottom and device top

### Device Placement
- Device frames are positioned in the upper-middle area of the canvas
- The bottom of the device intentionally extends beyond/crops at canvas edge
- This creates a professional, dynamic composition

### Colour & Contrast
- Background colour should be bold and brand-aligned
- Text automatically adjusts to white or dark based on background luminance
- Subtle gradient overlay adds depth (can be disabled with --no-gradient)

### Typography
- Action verbs: Maximum impact, largest possible size (150-260pt for iOS, 120-200pt for Android)
- Descriptors: Supporting text, slightly smaller (128pt iOS, 96pt Android)
- All text is uppercase for maximum store shelf impact
- Font: SF Pro Display Black (macOS) with fallbacks for other systems

### What Makes High-CTR Screenshots
1. **Benefit-first messaging** — Lead with what the user gets, not feature names
2. **Action verbs** — Create urgency and engagement (TRACK, DISCOVER, BUILD)
3. **Visual hierarchy** — Eye flows: headline -> device -> app content
4. **Consistent branding** — Same colour, same style, professional set
5. **Real app content** — Show the app in action with realistic data, not empty states
6. **No clutter** — Clean backgrounds, focused messaging, one benefit per screenshot
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