App Android: tambah ikon launcher (hijau zamrud, grafik putih, badge Rp)

flutter/android/app/src/main/AndroidManifest.xml

@@ -3,7 +3,7 @@
     <application
         android:label="Saat Invest"
         android:name="${applicationName}"
-        android:icon="@mipmap/ic_launcher"
+        android:icon="@mipmap/launcher_icon"
         android:usesCleartextTraffic="true">
         <activity
             android:name=".MainActivity"

flutter/pubspec.lock

@@ -1,6 +1,14 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  archive:
+    dependency: transitive
+    description:
+      name: archive
+      sha256: ace891da0862b0e4cabbb064ee3fd87b2728b898949fdb366d83fe98342c9f19
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.2.0"
   args:
     dependency: transitive
     description:
@@ -33,6 +41,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.4.1"
+  checked_yaml:
+    dependency: transitive
+    description:
+      name: checked_yaml
+      sha256: "959525d3162f249993882720d52b7e0c833978df229be20702b33d48d91de70f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.4"
+  cli_util:
+    dependency: transitive
+    description:
+      name: cli_util
+      sha256: ff6785f7e9e3c38ac98b2fb035701789de90154024a75b6cb926445e83197d1c
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.4.2"
   clock:
     dependency: transitive
     description:
@@ -102,6 +126,14 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_launcher_icons:
+    dependency: "direct dev"
+    description:
+      name: flutter_launcher_icons
+      sha256: "10f13781741a2e3972126fae08393d3c4e01fa4cd7473326b94b72cf594195e7"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.14.4"
   flutter_lints:
     dependency: "direct dev"
     description:
@@ -192,6 +224,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.1.2"
+  image:
+    dependency: transitive
+    description:
+      name: image
+      sha256: "1976370a4df3091bb0f72409c187ad1f9132a818bc6b95ca59c0bae1c75c688e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.9.2"
   intl:
     dependency: "direct main"
     description:
@@ -224,6 +264,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.0"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      sha256: "2a743920d81b7910627f68ee2c9ac1fc0bfee32b9fc3403587d7c6791ca12f80"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.12.0"
   leak_tracker:
     dependency: transitive
     description:
@@ -376,6 +424,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.8"
+  posix:
+    dependency: transitive
+    description:
+      name: posix
+      sha256: bc1bad54ad2b735816e31f8d4600cfde6c7839975085ddfbca48b6c9f7c4044e
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.5.2"
   pub_semver:
     dependency: transitive
     description:

flutter/pubspec.yaml

@@ -48,6 +48,7 @@ dev_dependencies:
   # package. See that file for information about deactivating specific lint
   # rules and activating additional ones.
   flutter_lints: ^6.0.0
+  flutter_launcher_icons: ^0.14.4
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec
@@ -60,6 +61,14 @@ flutter:
   # the material Icons class.
   uses-material-design: true
 
+  assets:
+    - assets/icon/app_icon.png
+
+flutter_launcher_icons:
+  android: "launcher_icon"
+  image_path: "assets/icon/app_icon.png"
+  min_sdk_android: 21
+
   # To add assets to your application, add an assets section, like this:
   # assets:
   #   - images/a_dot_burr.jpeg

scripts/gen_icon.py

@@ -0,0 +1,86 @@
+#!/usr/bin/env python3
+"""Generate app icon for Saat Invest (1024x1024, anti-aliased 4x supersample).
+Desain: bg hijau zamrud gradient, garis grafik naik putih tebal, titik akhir,
+badge 'Rp' kecil. Simpan ke flutter/assets/icon/app_icon.png."""
+import math
+from PIL import Image, ImageDraw, ImageFont
+
+SS = 4          # supersample factor
+SIZE = 1024
+W = H = SIZE * SS
+
+# --- background gradient (emerald) ---
+top = (0x16, 0x8a, 0x63)   # lebih terang
+bot = (0x07, 0x53, 0x3a)   # lebih gelap
+img = Image.new('RGB', (W, H))
+px = img.load()
+for y in range(H):
+    t = y / (H - 1)
+    r = int(top[0] + (bot[0] - top[0]) * t)
+    g = int(top[1] + (bot[1] - top[1]) * t)
+    b = int(top[2] + (bot[2] - top[2]) * t)
+    for x in range(W):
+        px[x, y] = (r, g, b)
+
+d = ImageDraw.Draw(img)
+WHITE = (255, 255, 255, 255)
+SOFT = (255, 255, 255, 128)
+
+def pt(x, y):
+    """convert normalized (0..1) to supersampled px coords."""
+    return (x * W, y * H)
+
+# --- line chart (naik) ---
+# area chart di tengah (safe zone); baseline 0.78 -> puncak 0.34
+line_pts = [
+    (0.18, 0.72),
+    (0.36, 0.58),
+    (0.52, 0.62),
+    (0.68, 0.46),
+    (0.82, 0.34),
+]
+pts_px = [pt(x, y) for x, y in line_pts]
+
+# stroke tebal dengan join bulat
+lw = int(0.078 * W)
+d.line(pts_px, fill=WHITE, width=lw, joint='curve')
+
+# titik pada tiap vertex (bulatan kecil)
+r = int(0.042 * W)
+for (x, y) in pts_px:
+    d.ellipse([x - r, y - r, x + r, y + r], fill=WHITE)
+
+# area di bawah garis (fill lembut)
+base_y = 0.80 * H
+poly = [(pts_px[0][0], base_y)] + list(pts_px) + [(pts_px[-1][0], base_y)]
+overlay = Image.new('RGBA', (W, H), (0, 0, 0, 0))
+od = ImageDraw.Draw(overlay)
+od.polygon(poly, fill=(255, 255, 255, 45))
+img = Image.alpha_composite(img.convert('RGBA'), overlay)
+d = ImageDraw.Draw(img)
+
+# --- badge 'Rp' ---
+# posisikan di kiri-atas dari ujung grafik, tetap dalam safe zone
+font_path = '/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf'
+fsize = int(0.105 * W)
+f = ImageFont.truetype(font_path, fsize)
+text = 'Rp'
+bbox = d.textbbox((0, 0), text, font=f)
+tw = bbox[2] - bbox[0]
+th = bbox[3] - bbox[1]
+# badge bulat: di atas segmen terakhir, kiri dari titik ujung
+bcx = pts_px[-2][0] * 0.92 + pts_px[-1][0] * 0.08 - 0.10 * W
+bcy = pts_px[-2][1] * 0.5 + pts_px[-1][1] * 0.5 - 0.20 * H
+br = int(0.105 * W)
+d.ellipse([bcx - br, bcy - br, bcx + br, bcy + br], fill=(255, 255, 255, 240))
+# teks Rp hijau tua di badge
+d.text((bcx - tw / 2 - bbox[0], bcy - th / 2 - bbox[1]), text,
+       font=f, fill=(0x07, 0x53, 0x3a, 255))
+
+# --- downscale to 1024 (Lanczos) ---
+out = img.resize((SIZE, SIZE), Image.Resampling.LANCZOS).convert('RGB')
+
+import os
+os.makedirs('flutter/assets/icon', exist_ok=True)
+out.save('flutter/assets/icon/app_icon.png')
+print('saved flutter/assets/icon/app_icon.png', out.size)