186 lines
6.0 KiB
HTML
186 lines
6.0 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Android Adaptive Icon Generator</title>
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<style>
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body {
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font-family: Arial, sans-serif;
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max-width: 800px;
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margin: 50px auto;
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padding: 20px;
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background: #f5f5f5;
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}
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.container {
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background: white;
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padding: 30px;
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border-radius: 10px;
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box-shadow: 0 2px 10px rgba(0,0,0,0.1);
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}
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h1 {
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color: #1976D2;
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text-align: center;
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}
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.preview {
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display: flex;
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justify-content: space-around;
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margin: 30px 0;
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}
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.icon-preview {
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text-align: center;
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}
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canvas {
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border: 2px solid #ddd;
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border-radius: 10px;
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margin: 10px;
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}
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input[type="file"] {
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display: block;
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margin: 20px auto;
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padding: 10px;
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}
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button {
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background: #1976D2;
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color: white;
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border: none;
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padding: 12px 30px;
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border-radius: 5px;
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cursor: pointer;
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font-size: 16px;
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display: block;
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margin: 20px auto;
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}
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button:hover {
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background: #1565C0;
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}
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.info {
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background: #E3F2FD;
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padding: 15px;
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border-radius: 5px;
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margin: 20px 0;
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}
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.safe-zone {
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position: absolute;
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border: 3px dashed #FF5722;
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border-radius: 50%;
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pointer-events: none;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<h1>🎨 Android Adaptive Icon Generator</h1>
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<div class="info">
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<strong>📱 Android Adaptive Icon Safe Zone:</strong><br>
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Your icon will be displayed in different shapes (circle, square, squircle).<br>
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Important content must stay within the <span style="color: #FF5722;">red circle</span> (66% area).
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</div>
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<input type="file" id="imageInput" accept="image/*">
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<div class="preview">
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<div class="icon-preview">
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<h3>Original</h3>
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<canvas id="originalCanvas" width="300" height="300"></canvas>
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</div>
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<div class="icon-preview">
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<h3>Adaptive Icon (66% size)</h3>
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<div style="position: relative; display: inline-block;">
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<canvas id="adaptiveCanvas" width="300" height="300"></canvas>
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<div class="safe-zone" style="width: 198px; height: 198px; top: 51px; left: 51px;"></div>
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</div>
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</div>
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</div>
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<button onclick="downloadIcon()">⬇️ Download Fixed Icon (1024x1024)</button>
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<div class="info">
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<strong>Next steps after download:</strong><br>
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1. Replace <code>assets/images/app_icon.png</code> with downloaded file<br>
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2. Run: <code>flutter pub run flutter_launcher_icons</code><br>
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3. Build: <code>flutter build apk --release</code>
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</div>
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</div>
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<script>
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const originalCanvas = document.getElementById('originalCanvas');
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const adaptiveCanvas = document.getElementById('adaptiveCanvas');
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const originalCtx = originalCanvas.getContext('2d');
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const adaptiveCtx = adaptiveCanvas.getContext('2d');
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let currentImage = null;
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document.getElementById('imageInput').addEventListener('change', function(e) {
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const file = e.target.files[0];
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if (file) {
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const reader = new FileReader();
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reader.onload = function(event) {
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const img = new Image();
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img.onload = function() {
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currentImage = img;
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drawIcons();
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};
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img.src = event.target.result;
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};
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reader.readAsDataURL(file);
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}
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});
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function drawIcons() {
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if (!currentImage) return;
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// Clear canvases
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originalCtx.clearRect(0, 0, 300, 300);
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adaptiveCtx.clearRect(0, 0, 300, 300);
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// Draw original
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originalCtx.drawImage(currentImage, 0, 0, 300, 300);
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// Draw adaptive with background
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adaptiveCtx.fillStyle = '#1976D2';
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adaptiveCtx.fillRect(0, 0, 300, 300);
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// Draw icon at 66% size (centered)
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const scaledSize = 300 * 0.66;
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const offset = (300 - scaledSize) / 2;
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adaptiveCtx.drawImage(currentImage, offset, offset, scaledSize, scaledSize);
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}
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function downloadIcon() {
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if (!currentImage) {
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alert('Please load an image first!');
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return;
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}
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// Create high-res canvas for export (1024x1024)
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const exportCanvas = document.createElement('canvas');
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exportCanvas.width = 1024;
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exportCanvas.height = 1024;
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const ctx = exportCanvas.getContext('2d');
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// Fill with transparent or background
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ctx.fillStyle = 'transparent';
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ctx.fillRect(0, 0, 1024, 1024);
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// Draw icon at 66% size (safe zone)
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const scaledSize = 1024 * 0.66;
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const offset = (1024 - scaledSize) / 2;
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ctx.drawImage(currentImage, offset, offset, scaledSize, scaledSize);
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// Download
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exportCanvas.toBlob(function(blob) {
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const url = URL.createObjectURL(blob);
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const a = document.createElement('a');
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a.href = url;
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a.download = 'app_icon_fixed.png';
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document.body.appendChild(a);
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a.click();
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document.body.removeChild(a);
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URL.revokeObjectURL(url);
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});
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}
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</script>
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</body>
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</html>
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