Implement Mp3Player dynamic application

.github/actions/publish-apps/action.yml

@@ -1,21 +0,0 @@
-name: Publish Apps
-
-inputs:
-  sdk_version:
-    description: The SDK version that determines the path on the CDN
-    required: true
-
-runs:
-  using: 'composite'
-  steps:
-    - name: 'Download cdn-files'
-      uses: actions/download-artifact@v4
-      with:
-        name: 'cdn-files'
-        path: cdn_files
-    - name: 'Install boto3'
-      shell: bash
-      run: pip install boto3
-    - name: 'Upload files'
-      shell: bash
-      run: python Buildscripts/CDN/upload-app-files.py cdn_files ${{ inputs.sdk_version }} ${{ env.CDN_ID }} ${{ env.CDN_TOKEN_NAME }} ${{ env.CDN_TOKEN_VALUE }}

.github/actions/release-apps/action.yml

@@ -1,10 +1,5 @@
 name: Release Apps
 
-outputs:
-  sdk_version:
-    description: 'Common SDK version shared by all bundled apps'
-    value: ${{ steps.release.outputs.sdk_version }}
-
 runs:
   using: 'composite'
   steps:
@@ -16,11 +11,8 @@ runs:
       run: rsync -av downloaded_apps/*/*.app cdn_files/
       shell: bash
     - name: 'Create CDN release files'
-      id: release
+      run: python release.py cdn_files/
       shell: bash
-      run: |
-        python release.py cdn_files/
-        echo "sdk_version=$(cat sdk_version.txt)" >> "$GITHUB_OUTPUT"
     - name: 'Upload Artifact'
       uses: actions/upload-artifact@v4
       with:

.github/workflows/main.yml

@@ -16,8 +16,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-        with:
-          persist-credentials: false
       - name: "Build"
         uses: ./.github/actions/build-app
         with:
@@ -25,26 +23,7 @@ jobs:
   Bundle:
     runs-on: ubuntu-latest
     needs: [Build]
-    outputs:
-      sdk_version: ${{ steps.release.outputs.sdk_version }}
     steps:
       - uses: actions/checkout@v4
       - name: "Build"
-        id: release
         uses: ./.github/actions/release-apps
-  PublishApps:
-    runs-on: ubuntu-latest
-    needs: [Bundle]
-    if: (github.event_name == 'push' && github.ref == 'refs/heads/main')
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          persist-credentials: false
-      - name: "Publish Apps"
-        env:
-          CDN_ID: ${{ secrets.CDN_ID }}
-          CDN_TOKEN_NAME: ${{ secrets.CDN_TOKEN_NAME }}
-          CDN_TOKEN_VALUE: ${{ secrets.CDN_TOKEN_VALUE }}
-        uses: ./.github/actions/publish-apps
-        with:
-          sdk_version: ${{ needs.Bundle.outputs.sdk_version }}

Apps/Brainfuck/manifest.properties

@@ -1,8 +1,11 @@
-manifest.version=0.2
-target.sdk=0.8.0-dev
-target.platforms=esp32,esp32s3,esp32c6,esp32p4
-app.id=one.tactility.brainfuck
-app.version.name=0.5.0
-app.version.code=5
-app.name=Brainfuck interpreter
-app.description=Brainfuck esoteric language interpreter
+[manifest]
+version=0.1
+[target]
+sdk=0.7.0-dev
+platforms=esp32,esp32s3,esp32c6,esp32p4
+[app]
+id=one.tactility.brainfuck
+versionName=0.2.0
+versionCode=2
+name=Brainfuck interpreter
+description=Brainfuck esoteric language interpreter

Apps/Breakout/manifest.properties

@@ -1,8 +1,11 @@
-manifest.version=0.2
-target.sdk=0.8.0-dev
-target.platforms=esp32,esp32s3,esp32c6,esp32p4
-app.id=one.tactility.breakout
-app.version.name=0.5.0
-app.version.code=5
-app.name=Breakout
-app.description=Classic brick-breaking arcade game
+[manifest]
+version=0.1
+[target]
+sdk=0.7.0-dev
+platforms=esp32,esp32s3,esp32c6,esp32p4
+[app]
+id=one.tactility.breakout
+versionName=0.2.0
+versionCode=2
+name=Breakout
+description=Classic brick-breaking arcade game

Apps/Calculator/manifest.properties

@@ -1,7 +1,10 @@
-manifest.version=0.2
-target.sdk=0.8.0-dev
-target.platforms=esp32,esp32s3,esp32c6,esp32p4
-app.id=one.tactility.calculator
-app.version.name=0.6.0
-app.version.code=6
-app.name=Calculator
+[manifest]
+version=0.1
+[target]
+sdk=0.7.0-dev
+platforms=esp32,esp32s3,esp32c6,esp32p4
+[app]
+id=one.tactility.calculator
+versionName=0.3.0
+versionCode=3
+name=Calculator

Apps/Diceware/manifest.properties

@@ -1,7 +1,10 @@
-manifest.version=0.2
-target.sdk=0.8.0-dev
-target.platforms=esp32,esp32s3,esp32c6,esp32p4
-app.id=one.tactility.diceware
-app.version.name=0.6.0
-app.version.code=6
-app.name=Diceware
+[manifest]
+version=0.1
+[target]
+sdk=0.7.0-dev
+platforms=esp32,esp32s3,esp32c6,esp32p4
+[app]
+id=one.tactility.diceware
+versionName=0.3.0
+versionCode=3
+name=Diceware

Apps/EpubReader/manifest.properties

@@ -1,8 +1,11 @@
-manifest.version=0.2
-target.sdk=0.8.0-dev
-target.platforms=esp32s3,esp32p4
-app.id=one.tactility.epubreader
-app.version.name=0.4.0
-app.version.code=4
-app.name=Epub Reader
-app.description=Epub and text file reader. Requires PSRAM!
+[manifest]
+version=0.1
+[target]
+sdk=0.7.0-dev
+platforms=esp32s3,esp32p4
+[app]
+id=one.tactility.epubreader
+versionName=0.1.0
+versionCode=1
+name=Epub Reader
+description=Epub and text file reader. Requires PSRAM!

Apps/GPIO/manifest.properties

@@ -1,7 +1,10 @@
-manifest.version=0.2
-target.sdk=0.8.0-dev
-target.platforms=esp32,esp32s3,esp32c6,esp32p4
-app.id=one.tactility.gpio
-app.version.name=0.7.0
-app.version.code=7
-app.name=GPIO
+[manifest]
+version=0.1
+[target]
+sdk=0.7.0-dev
+platforms=esp32,esp32s3,esp32c6,esp32p4
+[app]
+id=one.tactility.gpio
+versionName=0.4.0
+versionCode=4
+name=GPIO

Apps/GraphicsDemo/manifest.properties

@@ -1,7 +1,10 @@
-manifest.version=0.2
-target.sdk=0.8.0-dev
-target.platforms=esp32,esp32s3,esp32c6,esp32p4
-app.id=one.tactility.graphicsdemo
-app.version.name=0.6.0
-app.version.code=6
-app.name=Graphics Demo
+[manifest]
+version=0.1
+[target]
+sdk=0.7.0-dev
+platforms=esp32,esp32s3,esp32c6,esp32p4
+[app]
+id=one.tactility.graphicsdemo
+versionName=0.3.0
+versionCode=3
+name=Graphics Demo

Apps/HelloWorld/manifest.properties

@@ -1,7 +1,10 @@
-manifest.version=0.2
-target.sdk=0.8.0-dev
-target.platforms=esp32,esp32s3,esp32c6,esp32p4
-app.id=one.tactility.helloworld
-app.version.name=0.6.0
-app.version.code=6
-app.name=Hello World
+[manifest]
+version=0.1
+[target]
+sdk=0.7.0-dev
+platforms=esp32,esp32s3,esp32c6,esp32p4
+[app]
+id=one.tactility.helloworld
+versionName=0.3.0
+versionCode=3
+name=Hello World

Apps/M5UnitTest/manifest.properties

@@ -1,7 +1,10 @@
-manifest.version=0.2
-target.sdk=0.8.0-dev
-target.platforms=esp32s3,esp32p4
-app.id=one.tactility.m5unittest
-app.version.name=0.4.0
-app.version.code=4
-app.name=M5 Unit Test
+[manifest]
+version=0.1
+[target]
+sdk=0.7.0-dev
+platforms=esp32s3,esp32p4
+[app]
+id=one.tactility.m5unittest
+versionName=0.1.0
+versionCode=1
+name=M5 Unit Test

Apps/Magic8Ball/manifest.properties

@@ -1,7 +1,10 @@
-manifest.version=0.2
-target.sdk=0.8.0-dev
-target.platforms=esp32,esp32s3,esp32c6,esp32p4
-app.id=one.tactility.magic8ball
-app.version.name=0.5.0
-app.version.code=5
-app.name=Magic 8-Ball
+[manifest]
+version=0.1
+[target]
+sdk=0.7.0-dev
+platforms=esp32,esp32s3,esp32c6,esp32p4
+[app]
+id=one.tactility.magic8ball
+versionName=0.2.0
+versionCode=2
+name=Magic 8-Ball

Apps/MediaKeys/manifest.properties

@@ -1,8 +1,11 @@
-manifest.version=0.2
-target.sdk=0.8.0-dev
-target.platforms=esp32s3,esp32p4
-app.id=one.tactility.mediakeys
-app.version.name=0.4.0
-app.version.code=4
-app.name=Media Keys
-app.description=Bluetooth media keys. Touch or Physical Keyboard control\nB - previous, P - play/pause, N - next, M - mute, D - volume down, U - volume up.\nQ or ESC to exit focus.
+[manifest]
+version=0.1
+[target]
+sdk=0.7.0-dev
+platforms=esp32s3,esp32p4
+[app]
+id=one.tactility.mediakeys
+versionName=0.1.0
+versionCode=1
+name=Media Keys
+description=Bluetooth media keys. Touch or Physical Keyboard control\nB - previous, P - play/pause, N - next, M - mute, D - volume down, U - volume up.\nQ or ESC to exit focus.

Apps/Mp3Player/CMakeLists.txt

@@ -12,5 +12,5 @@ endif()
 include("${TACTILITY_SDK_PATH}/TactilitySDK.cmake")
 set(EXTRA_COMPONENT_DIRS ${TACTILITY_SDK_PATH})
 
-project(RobotArm)
-tactility_project(RobotArm)
+project(Mp3Player)
+tactility_project(Mp3Player)

Apps/Mp3Player/main/CMakeLists.txt

@@ -0,0 +1,6 @@
+file(GLOB_RECURSE SOURCE_FILES Source/*.c)
+
+idf_component_register(
+    SRCS ${SOURCE_FILES}
+    REQUIRES TactilitySDK
+)

Apps/Mp3Player/main/Source/main.c

@@ -0,0 +1,427 @@
+#include <tt_app.h>
+#include <tt_lvgl.h>
+#include <tt_lvgl_toolbar.h>
+
+#include <tactility/device.h>
+#include <tactility/drivers/i2s_controller.h>
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "esp_log.h"
+
+#define MINIMP3_IMPLEMENTATION
+#define MINIMP3_NO_SIMD
+#include "minimp3.h"
+
+#define TAG "Mp3Player"
+#define MP3_INPUT_BUFFER_SIZE 16384
+
+typedef enum {
+    STATE_IDLE,
+    STATE_PLAYING,
+    STATE_PAUSED
+} PlaybackState;
+
+typedef struct {
+    struct Device* i2s_dev;
+    char           filepath[512];
+    PlaybackState  state;
+    
+    // UI elements
+    lv_obj_t*      lbl_title;
+    lv_obj_t*      lbl_status;
+    lv_obj_t*      bar_progress;
+    lv_obj_t*      btn_play_pause;
+    lv_obj_t*      btn_stop;
+    
+    // Playback state variables
+    FILE*          file;
+    mp3dec_t       decoder;
+    uint8_t*       input_buf;
+    mp3d_sample_t* pcm_buf;
+    size_t         buffered_bytes;
+    bool           eof;
+    int            volume;
+    
+    int            sample_rate;
+    int            channels;
+    
+    // Progress calculation
+    size_t         file_size;
+    size_t         bytes_read_total;
+    
+    TaskHandle_t   playback_task_handle;
+} AppCtx;
+
+static AppCtx g_ctx;
+
+/* ─── Update UI ─── */
+static void update_ui(AppCtx* ctx) {
+    if (!ctx->lbl_status) return;
+
+    switch (ctx->state) {
+        case STATE_PLAYING:
+            lv_label_set_text(ctx->lbl_status, "Playing...");
+            lv_label_set_text(lv_obj_get_child(ctx->btn_play_pause, 0), LV_SYMBOL_PAUSE " Pause");
+            lv_obj_clear_state(ctx->btn_play_pause, LV_STATE_DISABLED);
+            lv_obj_clear_state(ctx->btn_stop, LV_STATE_DISABLED);
+            break;
+        case STATE_PAUSED:
+            lv_label_set_text(ctx->lbl_status, "Paused");
+            lv_label_set_text(lv_obj_get_child(ctx->btn_play_pause, 0), LV_SYMBOL_PLAY " Play");
+            lv_obj_clear_state(ctx->btn_play_pause, LV_STATE_DISABLED);
+            lv_obj_clear_state(ctx->btn_stop, LV_STATE_DISABLED);
+            break;
+        case STATE_IDLE:
+        default:
+            if (ctx->filepath[0] != '\0') {
+                lv_label_set_text(ctx->lbl_status, "Ready");
+                lv_obj_clear_state(ctx->btn_play_pause, LV_STATE_DISABLED);
+            } else {
+                lv_label_set_text(ctx->lbl_status, "No file loaded");
+                lv_obj_add_state(ctx->btn_play_pause, LV_STATE_DISABLED);
+            }
+            lv_label_set_text(lv_obj_get_child(ctx->btn_play_pause, 0), LV_SYMBOL_PLAY " Play");
+            lv_obj_add_state(ctx->btn_stop, LV_STATE_DISABLED);
+            lv_bar_set_value(ctx->bar_progress, 0, LV_ANIM_OFF);
+            break;
+    }
+}
+
+/* ─── Playback Task ─── */
+static void mp3_playback_task(void* arg) {
+    AppCtx* ctx = (AppCtx*)arg;
+    
+    ctx->file = fopen(ctx->filepath, "rb");
+    if (!ctx->file) {
+        ESP_LOGE(TAG, "Failed to open file: %s", ctx->filepath);
+        tt_lvgl_lock(portMAX_DELAY);
+        ctx->state = STATE_IDLE;
+        lv_label_set_text(ctx->lbl_status, "Error: File not found");
+        update_ui(ctx);
+        tt_lvgl_unlock();
+        ctx->playback_task_handle = NULL;
+        vTaskDelete(NULL);
+        return;
+    }
+    
+    fseek(ctx->file, 0, SEEK_END);
+    ctx->file_size = ftell(ctx->file);
+    fseek(ctx->file, 0, SEEK_SET);
+    ctx->bytes_read_total = 0;
+    
+    mp3dec_init(&ctx->decoder);
+    ctx->buffered_bytes = 0;
+    ctx->eof = false;
+    ctx->sample_rate = 0;
+    ctx->channels = 0;
+    
+    ESP_LOGI(TAG, "Starting MP3 playback: %s (size: %d bytes)", ctx->filepath, ctx->file_size);
+    
+    while (ctx->state != STATE_IDLE) {
+        if (ctx->state == STATE_PAUSED) {
+            vTaskDelay(pdMS_TO_TICKS(50));
+            continue;
+        }
+        
+        // Fill input buffer
+        if (!ctx->eof && ctx->buffered_bytes < MP3_INPUT_BUFFER_SIZE) {
+            size_t to_read = MP3_INPUT_BUFFER_SIZE - ctx->buffered_bytes;
+            size_t read_bytes = fread(ctx->input_buf + ctx->buffered_bytes, 1, to_read, ctx->file);
+            ctx->buffered_bytes += read_bytes;
+            ctx->bytes_read_total += read_bytes;
+            if (read_bytes == 0) {
+                ctx->eof = true;
+            }
+        }
+        
+        if (ctx->buffered_bytes == 0 && ctx->eof) {
+            ESP_LOGI(TAG, "Reached EOF");
+            break;
+        }
+        
+        // Decode one frame
+        mp3dec_frame_info_t info;
+        memset(&info, 0, sizeof(info));
+        int samples = mp3dec_decode_frame(&ctx->decoder, ctx->input_buf, (int)ctx->buffered_bytes, ctx->pcm_buf, &info);
+        
+        if (info.frame_bytes <= 0) {
+            if (ctx->eof) {
+                break;
+            }
+            // Move 1 byte forward to resync
+            memmove(ctx->input_buf, ctx->input_buf + 1, --ctx->buffered_bytes);
+            continue;
+        }
+        
+        size_t consumed = (size_t)info.frame_bytes;
+        ctx->buffered_bytes -= consumed;
+        memmove(ctx->input_buf, ctx->input_buf + consumed, ctx->buffered_bytes);
+        
+        if (samples > 0) {
+            // Configure I2S if format changed
+            if (ctx->sample_rate != info.hz || ctx->channels != info.channels) {
+                struct I2sConfig config = {
+                    .communication_format = I2S_FORMAT_STAND_I2S,
+                    .sample_rate = (uint32_t)info.hz,
+                    .bits_per_sample = 16,
+                    .channel_left = 0,
+                    .channel_right = (info.channels == 2) ? 1 : I2S_CHANNEL_NONE
+                };
+                
+                device_lock(ctx->i2s_dev);
+                error_t err = i2s_controller_set_config(ctx->i2s_dev, &config);
+                device_unlock(ctx->i2s_dev);
+                
+                if (err != ERROR_NONE) {
+                    ESP_LOGE(TAG, "Failed to set config: %d", err);
+                    break;
+                }
+                ctx->sample_rate = info.hz;
+                ctx->channels = info.channels;
+                ESP_LOGI(TAG, "I2S configured: %d Hz, %d channels", info.hz, info.channels);
+            }
+            
+            // Adjust volume
+            int vol = ctx->volume;
+            int16_t* samples_ptr = (int16_t*)ctx->pcm_buf;
+            size_t sample_count = (size_t)samples * info.channels;
+            for (size_t i = 0; i < sample_count; ++i) {
+                int32_t scaled = (int32_t)samples_ptr[i] * vol / 100;
+                samples_ptr[i] = (int16_t)scaled;
+            }
+            
+            // Play audio to I2S
+            size_t offset = 0;
+            size_t data_size = sample_count * sizeof(int16_t);
+            bool write_err = false;
+            while (offset < data_size && ctx->state == STATE_PLAYING) {
+                size_t written = 0;
+                error_t err = i2s_controller_write(ctx->i2s_dev, (uint8_t*)ctx->pcm_buf + offset, data_size - offset, &written, pdMS_TO_TICKS(250));
+                if (err != ERROR_NONE || written == 0) {
+                    ESP_LOGE(TAG, "I2S write failed: %d", err);
+                    write_err = true;
+                    break;
+                }
+                offset += written;
+            }
+            if (write_err) {
+                break;
+            }
+        }
+        
+        // Update progress UI
+        if (ctx->file_size > 0) {
+            int pct = (int)((ctx->bytes_read_total - ctx->buffered_bytes) * 100 / ctx->file_size);
+            if (pct < 0) pct = 0;
+            if (pct > 100) pct = 100;
+            tt_lvgl_lock(portMAX_DELAY);
+            lv_bar_set_value(ctx->bar_progress, pct, LV_ANIM_OFF);
+            tt_lvgl_unlock();
+        }
+        
+        taskYIELD();
+    }
+    
+    fclose(ctx->file);
+    ctx->file = NULL;
+    
+    ESP_LOGI(TAG, "Playback task finished");
+    
+    tt_lvgl_lock(portMAX_DELAY);
+    ctx->state = STATE_IDLE;
+    update_ui(ctx);
+    tt_lvgl_unlock();
+    
+    ctx->playback_task_handle = NULL;
+    vTaskDelete(NULL);
+}
+
+/* ─── Callbacks ─── */
+static void on_play_pause_click(lv_event_t* e) {
+    AppCtx* ctx = (AppCtx*)lv_event_get_user_data(e);
+    if (ctx->filepath[0] == '\0') return;
+    
+    if (ctx->state == STATE_IDLE) {
+        ctx->state = STATE_PLAYING;
+        update_ui(ctx);
+        xTaskCreate(mp3_playback_task, "mp3_play", 4096, ctx, 5, &ctx->playback_task_handle);
+    } else if (ctx->state == STATE_PLAYING) {
+        ctx->state = STATE_PAUSED;
+        update_ui(ctx);
+    } else if (ctx->state == STATE_PAUSED) {
+        ctx->state = STATE_PLAYING;
+        update_ui(ctx);
+    }
+}
+
+static void on_stop_click(lv_event_t* e) {
+    AppCtx* ctx = (AppCtx*)lv_event_get_user_data(e);
+    if (ctx->state == STATE_IDLE) return;
+    
+    ctx->state = STATE_IDLE;
+    update_ui(ctx);
+}
+
+/* ─── App Lifecycle ─── */
+static void onShowApp(AppHandle app, void* data, lv_obj_t* parent) {
+    memset(&g_ctx, 0, sizeof(g_ctx));
+    g_ctx.volume = 80;
+    
+    // Allocate memory buffers
+    g_ctx.input_buf = (uint8_t*)malloc(MP3_INPUT_BUFFER_SIZE);
+    g_ctx.pcm_buf = (mp3d_sample_t*)malloc(MINIMP3_MAX_SAMPLES_PER_FRAME * sizeof(mp3d_sample_t));
+    
+    // Find device
+    g_ctx.i2s_dev = device_find_by_name("i2s0");
+    if (!g_ctx.i2s_dev) {
+        ESP_LOGE(TAG, "I2S device 'i2s0' not found!");
+    }
+    
+    // Parse launch parameters
+    BundleHandle bundle = tt_app_get_parameters(app);
+    if (bundle) {
+        char file_param[256] = {0};
+        if (tt_bundle_opt_string(bundle, "file", file_param, sizeof(file_param))) {
+            // Safely resolve SD card path
+            if (strncmp(file_param, "/sdcard", 7) == 0) {
+                strncpy(g_ctx.filepath, file_param, sizeof(g_ctx.filepath) - 1);
+            } else {
+                if (file_param[0] == '/') {
+                    snprintf(g_ctx.filepath, sizeof(g_ctx.filepath), "/sdcard%s", file_param);
+                } else {
+                    snprintf(g_ctx.filepath, sizeof(g_ctx.filepath), "/sdcard/%s", file_param);
+                }
+            }
+        }
+    }
+    
+    // ─── UI Layout ───
+    lv_obj_t* toolbar = tt_lvgl_toolbar_create_for_app(parent, app);
+    lv_obj_align(toolbar, LV_ALIGN_TOP_MID, 0, 0);
+    
+    // Player Card (rounded box)
+    lv_obj_t* card = lv_obj_create(parent);
+    lv_obj_set_size(card, lv_pct(90), lv_pct(70));
+    lv_obj_align(card, LV_ALIGN_CENTER, 0, 15);
+    lv_obj_set_style_radius(card, 15, 0);
+    lv_obj_set_style_bg_color(card, lv_color_hex(0x1E1E2E), 0);
+    lv_obj_set_style_border_color(card, lv_color_hex(0x313244), 0);
+    lv_obj_set_style_border_width(card, 2, 0);
+    lv_obj_set_flex_flow(card, LV_FLEX_FLOW_COLUMN);
+    lv_obj_set_flex_align(card, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
+    lv_obj_set_style_pad_all(card, 15, 0);
+    lv_obj_set_style_pad_gap(card, 15, 0);
+    
+    // Audio Icon
+    lv_obj_t* icon = lv_label_create(card);
+    lv_label_set_text(icon, LV_SYMBOL_AUDIO);
+    lv_obj_set_style_text_color(icon, lv_color_hex(0x89B4FA), 0);
+    
+    // Track Title
+    g_ctx.lbl_title = lv_label_create(card);
+    lv_obj_set_width(g_ctx.lbl_title, lv_pct(95));
+    lv_obj_set_style_text_align(g_ctx.lbl_title, LV_TEXT_ALIGN_CENTER, 0);
+    lv_obj_set_style_text_color(g_ctx.lbl_title, lv_color_hex(0xCDD6F4), 0);
+    if (g_ctx.filepath[0] != '\0') {
+        const char* last_slash = strrchr(g_ctx.filepath, '/');
+        const char* filename = last_slash ? last_slash + 1 : g_ctx.filepath;
+        lv_label_set_text(g_ctx.lbl_title, filename);
+        lv_label_set_long_mode(g_ctx.lbl_title, LV_LABEL_LONG_SCROLL_CIRCULAR);
+    } else {
+        lv_label_set_text(g_ctx.lbl_title, "No File Parameter");
+    }
+    
+    // Playback Status
+    g_ctx.lbl_status = lv_label_create(card);
+    lv_obj_set_style_text_color(g_ctx.lbl_status, lv_color_hex(0xA6ADC8), 0);
+    
+    // Progress Bar
+    g_ctx.bar_progress = lv_bar_create(card);
+    lv_obj_set_size(g_ctx.bar_progress, lv_pct(85), 8);
+    lv_bar_set_range(g_ctx.bar_progress, 0, 100);
+    lv_bar_set_value(g_ctx.bar_progress, 0, LV_ANIM_OFF);
+    lv_obj_set_style_bg_color(g_ctx.bar_progress, lv_color_hex(0x45475A), LV_PART_MAIN);
+    lv_obj_set_style_bg_color(g_ctx.bar_progress, lv_color_hex(0x89B4FA), LV_PART_INDICATOR);
+    
+    // Controls Container
+    lv_obj_t* ctrl_box = lv_obj_create(card);
+    lv_obj_remove_style_all(ctrl_box);
+    lv_obj_set_size(ctrl_box, lv_pct(90), 45);
+    lv_obj_set_flex_flow(ctrl_box, LV_FLEX_FLOW_ROW);
+    lv_obj_set_flex_align(ctrl_box, LV_FLEX_ALIGN_SPACE_EVENLY, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
+    
+    // Play/Pause Button
+    g_ctx.btn_play_pause = lv_btn_create(ctrl_box);
+    lv_obj_set_size(g_ctx.btn_play_pause, 100, 36);
+    lv_obj_set_style_radius(g_ctx.btn_play_pause, 18, 0);
+    lv_obj_set_style_bg_color(g_ctx.btn_play_pause, lv_color_hex(0x89B4FA), 0);
+    lv_obj_set_style_text_color(g_ctx.btn_play_pause, lv_color_hex(0x11111B), 0);
+    lv_obj_t* lbl_play = lv_label_create(g_ctx.btn_play_pause);
+    lv_label_set_text(lbl_play, LV_SYMBOL_PLAY " Play");
+    lv_obj_center(lbl_play);
+    lv_obj_add_event_cb(g_ctx.btn_play_pause, on_play_pause_click, LV_EVENT_CLICKED, &g_ctx);
+    
+    // Stop Button
+    g_ctx.btn_stop = lv_btn_create(ctrl_box);
+    lv_obj_set_size(g_ctx.btn_stop, 100, 36);
+    lv_obj_set_style_radius(g_ctx.btn_stop, 18, 0);
+    lv_obj_set_style_bg_color(g_ctx.btn_stop, lv_color_hex(0xF38BA8), 0);
+    lv_obj_set_style_text_color(g_ctx.btn_stop, lv_color_hex(0x11111B), 0);
+    lv_obj_t* lbl_stop = lv_label_create(g_ctx.btn_stop);
+    lv_label_set_text(lbl_stop, LV_SYMBOL_STOP " Stop");
+    lv_obj_center(lbl_stop);
+    lv_obj_add_event_cb(g_ctx.btn_stop, on_stop_click, LV_EVENT_CLICKED, &g_ctx);
+    
+    if (!g_ctx.i2s_dev) {
+        lv_label_set_text(g_ctx.lbl_status, "Error: I2S Not Found");
+        lv_obj_add_state(g_ctx.btn_play_pause, LV_STATE_DISABLED);
+        lv_obj_add_state(g_ctx.btn_stop, LV_STATE_DISABLED);
+    } else if (!g_ctx.input_buf || !g_ctx.pcm_buf) {
+        lv_label_set_text(g_ctx.lbl_status, "Error: Out of Memory");
+        lv_obj_add_state(g_ctx.btn_play_pause, LV_STATE_DISABLED);
+        lv_obj_add_state(g_ctx.btn_stop, LV_STATE_DISABLED);
+    } else {
+        g_ctx.state = STATE_IDLE;
+        update_ui(&g_ctx);
+        
+        // Auto-play if a file parameter was provided
+        if (g_ctx.filepath[0] != '\0') {
+            g_ctx.state = STATE_PLAYING;
+            update_ui(&g_ctx);
+            xTaskCreate(mp3_playback_task, "mp3_play", 4096, &g_ctx, 5, &g_ctx.playback_task_handle);
+        }
+    }
+}
+
+static void onHideApp(AppHandle app, void* data) {
+    if (g_ctx.state != STATE_IDLE) {
+        g_ctx.state = STATE_IDLE; // Signal task to stop
+    }
+    
+    // Wait for the task to finish self-deletion to prevent resource leaks
+    while (g_ctx.playback_task_handle != NULL) {
+        vTaskDelay(pdMS_TO_TICKS(10));
+    }
+    
+    if (g_ctx.input_buf) {
+        free(g_ctx.input_buf);
+        g_ctx.input_buf = NULL;
+    }
+    if (g_ctx.pcm_buf) {
+        free(g_ctx.pcm_buf);
+        g_ctx.pcm_buf = NULL;
+    }
+}
+
+int main(int argc, char* argv[]) {
+    tt_app_register((AppRegistration) {
+        .onShow = onShowApp,
+        .onHide = onHideApp
+    });
+    return 0;
+}

Apps/Mp3Player/manifest.properties

@@ -0,0 +1,10 @@
+[manifest]
+version=0.1
+[target]
+sdk=0.7.0-dev
+platforms=esp32s3
+[app]
+id=one.tactility.mp3player
+versionName=1.0.0
+versionCode=1
+name=MP3 Player

Apps/MystifyDemo/manifest.properties

@@ -1,7 +1,10 @@
-manifest.version=0.2
-target.sdk=0.8.0-dev
-target.platforms=esp32,esp32s3,esp32c6,esp32p4
-app.id=one.tactility.mystifydemo
-app.version.name=0.6.0
-app.version.code=6
-app.name=Mystify Demo
+[manifest]
+version=0.1
+[target]
+sdk=0.7.0-dev
+platforms=esp32,esp32s3,esp32c6,esp32p4
+[app]
+id=one.tactility.mystifydemo
+versionName=0.3.0
+versionCode=3
+name=Mystify Demo

Apps/RobotArm/main/CMakeLists.txt

@@ -1,6 +0,0 @@
-file(GLOB_RECURSE SOURCE_FILES Source/*.c)
-idf_component_register(
-    SRCS ${SOURCE_FILES}
-    REQUIRES TactilitySDK lwip
-)
-target_compile_options(${COMPONENT_LIB} PRIVATE -Wno-format-truncation -Wno-unused-but-set-variable -Wno-unused-function)

Apps/RobotArm/main/Source/main.c

@@ -1,429 +0,0 @@
-#include <tt_app.h>
-#include <tt_lvgl_toolbar.h>
-#include <tactility/lvgl_fonts.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdbool.h>
-#include <unistd.h>
-#include <lwip/sockets.h>
-#include <lwip/inet.h>
-#include "esp_log.h"
-
-#define TAG "RobotArm"
-#define ARM_HOST "192.168.68.103"
-#define ARM_PORT 80
-#define ARM_PATH "/api/mcp"
-#define NUM_JOINTS 6
-#define SEQ_MAX 16
-
-typedef struct {
-    const char* name;
-    const char* cute;
-    uint32_t bg;
-    uint32_t accent;
-    int home, rmin, rmax;
-    int value, last_sent;
-} Joint;
-
-static Joint joints[NUM_JOINTS] = {
-    {"base","Base",0xFFD6E0,0xFF8FA8,70,0,180,70,-1},
-    {"shoulder","Shldr",0xD6E8FF,0x8FB6FF,40,0,70,40,-1},
-    {"elbow","Elbow",0xFFE8C5,0xFFB86A,20,0,120,20,-1},
-    {"pitch","Pitch",0xD5F0D5,0x88D488,90,30,150,90,-1},
-    {"roll","Roll",0xE8D5FF,0xB088FF,90,30,150,90,-1},
-    {"gripper","Grip",0xFFF0B3,0xFFD060,90,0,180,90,-1},
-};
-
-typedef struct { int v[NUM_JOINTS]; } Frame;
-static Frame seq[SEQ_MAX];
-static int seq_len = 0, seq_idx = -1;
-static bool seq_playing = false;
-static int seq_play_pos = 0;
-
-typedef struct {
-    AppHandle app;
-    lv_obj_t* status;
-    lv_obj_t* sliders[6];
-    lv_obj_t* vals[6];
-    lv_obj_t* seq_label;
-    lv_obj_t* play_label;
-    lv_obj_t* blocks[SEQ_MAX];
-    int pend[6];
-    bool has[6];
-    int ticks[6];
-    lv_timer_t* poll;
-    lv_timer_t* seq_timer;
-} Ctx;
-static Ctx* g = NULL;
-
-static uint16_t my_htons(uint16_t v){ return (v<<8)|(v>>8); }
-
-static int http_post(const char* host,int port,const char* path,const char* body,char* out,size_t olen){
-    int fd=lwip_socket(AF_INET,SOCK_STREAM,0);
-    if(fd<0) return -1;
-    struct sockaddr_in s; memset(&s,0,sizeof(s));
-    s.sin_family=AF_INET; s.sin_port=my_htons(port); s.sin_addr.s_addr=ipaddr_addr(host);
-    struct timeval tv={5,0};
-    lwip_setsockopt(fd,SOL_SOCKET,SO_RCVTIMEO,&tv,sizeof(tv));
-    lwip_setsockopt(fd,SOL_SOCKET,SO_SNDTIMEO,&tv,sizeof(tv));
-    if(lwip_connect(fd,(struct sockaddr*)&s,sizeof(s))<0){close(fd);return -2;}
-    char hdr[256];
-    int bl=strlen(body);
-    int hl=snprintf(hdr,sizeof(hdr),"POST %s HTTP/1.1\r\nHost: %s:%d\r\nContent-Type: application/json\r\nContent-Length: %d\r\nConnection: close\r\n\r\n",path,host,port,bl);
-    if(lwip_send(fd,hdr,hl,0)<0){close(fd);return -3;}
-    if(lwip_send(fd,body,bl,0)<0){close(fd);return -3;}
-    int tot=0;
-    while(tot<(int)olen-1){int r=lwip_recv(fd,out+tot,olen-1-tot,0); if(r<=0) break; tot+=r;}
-    out[tot]='\0'; close(fd);
-    char* bp=strstr(out,"\r\n\r\n"); if(bp){bp+=4; memmove(out,bp,strlen(bp)+1);}
-    return tot>0?0:-4;
-}
-
-static bool jget(const char* js,const char* key,int* out){
-    const char* p=strstr(js,key);
-    if(!p) return false;
-    p+=strlen(key);
-    while(*p && *p!=':'){
-        p++;
-        if(!*p) return false;
-    }
-    p++;
-    while(*p && (*p==' '||*p=='\t'||*p=='"'||*p=='\\')) p++;
-    int sign=1;
-    if(*p=='-'){sign=-1;p++;}
-    float v=0,frac=0.1f;
-    bool dot=false,got=false;
-    while(*p){
-        if(*p>='0'&&*p<='9'){got=true; if(!dot) v=v*10+(*p-'0'); else {v+=(*p-'0')*frac; frac*=0.1f;}}
-        else if(*p=='.'&&!dot) dot=true;
-        else break;
-        p++;
-    }
-    if(!got) return false;
-    *out=(int)(v*sign+0.5f);
-    return true;
-}
-static bool parse_state(const char* r,int* b,int* s,int* e,int* p,int* ro,int* gr){
-    int v; bool ok=true;
-    if(jget(r,"base",&v)) *b=v; else ok=false;
-    if(jget(r,"shoulder",&v)) *s=v; else ok=false;
-    if(jget(r,"elbow",&v)) *e=v; else ok=false;
-    if(jget(r,"pitch",&v)) *p=v; else ok=false;
-    if(jget(r,"roll",&v)) *ro=v; else ok=false;
-    if(jget(r,"gripper",&v)) *gr=v; else ok=false;
-    return ok;
-}
-static bool rpc_get(int* b,int* s,int* e,int* p,int* ro,int* gr){
-    const char* body="{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"tools/call\",\"params\":{\"name\":\"get_arm_state\",\"arguments\":{}}}";
-    char resp[2048]; memset(resp,0,sizeof(resp));
-    if(http_post(ARM_HOST,ARM_PORT,ARM_PATH,body,resp,sizeof(resp))!=0) return false;
-    return parse_state(resp,b,s,e,p,ro,gr);
-}
-static bool rpc_move(const char* j,int a){
-    char body[300]; snprintf(body,sizeof(body),
-        "{\"jsonrpc\":\"2.0\",\"id\":2,\"method\":\"tools/call\",\"params\":{\"name\":\"move_joint\",\"arguments\":{\"joint\":\"%s\",\"angle\":%d,\"duration\":0.5}}}",
-        j,a);
-    char r[1024]; memset(r,0,sizeof(r));
-    return http_post(ARM_HOST,ARM_PORT,ARM_PATH,body,r,sizeof(r))==0;
-}
-static bool rpc_move_all(int b,int s,int e,int p,int ro,int gr,float dur){
-    char body[420]; snprintf(body,sizeof(body),
-        "{\"jsonrpc\":\"2.0\",\"id\":3,\"method\":\"tools/call\",\"params\":{\"name\":\"move_all_joints\",\"arguments\":{\"base\":%d,\"shoulder\":%d,\"elbow\":%d,\"pitch\":%d,\"roll\":%d,\"gripper\":%d,\"duration\":%.1f}}}",
-        b,s,e,p,ro,gr,dur);
-    char r[1024]; memset(r,0,sizeof(r));
-    int rc=http_post(ARM_HOST,ARM_PORT,ARM_PATH,body,r,sizeof(r));
-    ESP_LOGI(TAG,"move_all %d %d %d rc=%d",b,s,e,rc);
-    return rc==0;
-}
-static bool rpc_home(void){
-    const char* b="{\"jsonrpc\":\"2.0\",\"id\":3,\"method\":\"tools/call\",\"params\":{\"name\":\"home_arm\",\"arguments\":{\"duration\":1.0}}}";
-    char r[512]; memset(r,0,sizeof(r)); return http_post(ARM_HOST,ARM_PORT,ARM_PATH,b,r,sizeof(r))==0;
-}
-
-static void set_status(const char* t){ if(g&&g->status) lv_label_set_text(g->status,t); }
-static void apply_ui(void){
-    if(!g) return;
-    for(int i=0;i<NUM_JOINTS;i++){
-        if(g->sliders[i]) lv_slider_set_value(g->sliders[i],joints[i].value,LV_ANIM_OFF);
-        if(g->vals[i]){char buf[8]; snprintf(buf,sizeof(buf),"%d",joints[i].value); lv_label_set_text(g->vals[i],buf);}
-    }
-}
-static void refresh_arm(void){
-    set_status("Reading .103...");
-    int b,s,e,p,ro,gr;
-    if(rpc_get(&b,&s,&e,&p,&ro,&gr)){
-        joints[0].value=b; joints[1].value=s; joints[2].value=e;
-        joints[3].value=p; joints[4].value=ro; joints[5].value=gr;
-        for(int i=0;i<NUM_JOINTS;i++){joints[i].last_sent=joints[i].value; if(g){g->pend[i]=joints[i].value; g->has[i]=false; g->ticks[i]=0;}}
-        apply_ui();
-        char buf[32]; snprintf(buf,sizeof(buf),"B%d S%d E%d",b,s,e); set_status(buf);
-    } else set_status("No .103");
-}
-static void del_ref_cb(lv_timer_t* t){ lv_timer_delete(t); refresh_arm(); }
-static void init_cb(lv_timer_t* t){ lv_timer_delete(t); refresh_arm(); }
-static void poll_cb(lv_timer_t* t){
-    (void)t; if(!g) return;
-    for(int i=0;i<NUM_JOINTS;i++){
-        if(!g->has[i]) continue;
-        g->ticks[i]++; if(g->ticks[i]<3) continue;
-        g->has[i]=false; g->ticks[i]=0;
-        int tgt=g->pend[i]; if(joints[i].last_sent==tgt) continue;
-        joints[i].last_sent=tgt; joints[i].value=tgt;
-        char buf[20]; snprintf(buf,sizeof(buf),"%s %d",joints[i].cute,tgt); set_status(buf);
-        bool ok=rpc_move(joints[i].name,tgt);
-        snprintf(buf,sizeof(buf),"%s %d %s",joints[i].cute,tgt,ok?"ok":"fail"); set_status(buf);
-        break;
-    }
-}
-static void slider_cb(lv_event_t* e){
-    int idx=(int)(intptr_t)lv_event_get_user_data(e);
-    int v=(int)lv_slider_get_value(lv_event_get_target(e));
-    joints[idx].value=v;
-    if(g){
-        if(g->vals[idx]){char b[8]; snprintf(b,sizeof(b),"%d",v); lv_label_set_text(g->vals[idx],b);}
-        g->pend[idx]=v; g->has[idx]=true; g->ticks[idx]=0;
-    }
-}
-
-/* ── sequencer ── */
-static void update_seq_ui(void){
-    if(!g) return;
-    if(g->seq_label){
-        if(seq_len==0) lv_label_set_text(g->seq_label,"empty");
-        else {char b[16]; snprintf(b,sizeof(b),"%d/%d", (seq_idx>=0?seq_idx+1:seq_len), seq_len); lv_label_set_text(g->seq_label,b);}
-    }
-    for(int i=0;i<SEQ_MAX;i++){
-        if(!g->blocks[i]) continue;
-        if(i<seq_len){
-            lv_obj_set_style_bg_opa(g->blocks[i],LV_OPA_COVER,0);
-            if(i==seq_idx){
-                lv_obj_set_style_border_width(g->blocks[i],3,0);
-                lv_obj_set_style_border_color(g->blocks[i],lv_color_hex(0xFFFFFF),0);
-            } else {
-                lv_obj_set_style_border_width(g->blocks[i],2,0);
-                lv_obj_set_style_border_color(g->blocks[i],lv_color_hex(0x3A3A3A),0);
-            }
-        } else {
-            lv_obj_set_style_bg_opa(g->blocks[i],LV_OPA_30,0);
-            lv_obj_set_style_border_width(g->blocks[i],0,0);
-        }
-    }
-}
-static void load_frame(int fidx){
-    if(fidx<0||fidx>=seq_len) return;
-    for(int i=0;i<NUM_JOINTS;i++){joints[i].value=seq[fidx].v[i]; joints[i].last_sent=joints[i].value; if(g){g->pend[i]=joints[i].value; g->has[i]=false;}}
-    apply_ui(); seq_idx=fidx; update_seq_ui();
-    char b[20]; snprintf(b,sizeof(b),"Frame %d",fidx+1); set_status(b);
-}
-static void seq_add_cb(void){ if(seq_len>=SEQ_MAX){set_status("Seq full"); return;} for(int i=0;i<NUM_JOINTS;i++) seq[seq_len].v[i]=joints[i].value; seq_len++; seq_idx=seq_len-1; update_seq_ui(); char b[16]; snprintf(b,sizeof(b),"+ %d",seq_len); set_status(b); }
-static void seq_rem_cb(void){
-    if(seq_len==0||seq_idx<0){set_status("Nothing"); return;}
-    int rem=seq_idx;
-    for(int f=rem;f<seq_len-1;f++) seq[f]=seq[f+1];
-    seq_len--; if(seq_len==0){seq_idx=-1; update_seq_ui(); set_status("- empty"); return;}
-    if(seq_idx>=seq_len) seq_idx=seq_len-1;
-    load_frame(seq_idx);
-}
-static void seq_prev_cb(void){ if(seq_len==0) return; int n=(seq_idx<=0)?seq_len-1:seq_idx-1; load_frame(n); }
-static void seq_next_cb(void){ if(seq_len==0) return; int n=(seq_idx>=seq_len-1)?0:seq_idx+1; load_frame(n); }
-
-static void seq_timer_cb(lv_timer_t* t){
-    (void)t; if(!seq_playing||seq_len==0) return;
-    int f=seq_play_pos%seq_len;
-    int* v=seq[f].v;
-    if(!rpc_move_all(v[0],v[1],v[2],v[3],v[4],v[5],0.8f)){
-        set_status("Seq fail"); seq_playing=false;
-        if(g&&g->play_label) lv_label_set_text(g->play_label,"Play");
-        return;
-    }
-    for(int i=0;i<NUM_JOINTS;i++){joints[i].value=v[i]; joints[i].last_sent=v[i]; if(g){g->pend[i]=v[i]; g->has[i]=false;}}
-    apply_ui(); seq_idx=f; update_seq_ui();
-    char b[20]; snprintf(b,sizeof(b),"Play %d/%d",f+1,seq_len); set_status(b);
-    seq_play_pos++; if(seq_play_pos>=seq_len) seq_play_pos=0;
-}
-static void seq_play_cb(lv_event_t* e){
-    (void)e; if(seq_len==0){set_status("No frames"); return;}
-    seq_playing=!seq_playing;
-    if(g&&g->play_label) lv_label_set_text(g->play_label, seq_playing?"Pause":"Play");
-    if(seq_playing){seq_play_pos=(seq_idx>=0?seq_idx:0); set_status("Playing");} else set_status("Paused");
-}
-static void seq_add_ev(lv_event_t* e){(void)e; seq_add_cb();}
-static void seq_rem_ev(lv_event_t* e){(void)e; seq_rem_cb();}
-static void seq_prev_ev(lv_event_t* e){(void)e; seq_prev_cb();}
-static void seq_next_ev(lv_event_t* e){(void)e; seq_next_cb();}
-static void block_click_cb(lv_event_t* e){int idx=(int)(intptr_t)lv_event_get_user_data(e); if(idx<0||idx>=seq_len) return; load_frame(idx);}
-
-static void home_cb(lv_event_t* e){(void)e; set_status("Homing..."); if(rpc_home()){lv_timer_create(del_ref_cb,1200,NULL); set_status("Homed :3");} else set_status("Fail");}
-static void read_cb(lv_event_t* e){(void)e; refresh_arm();}
-static void open_cb(lv_event_t* e){(void)e; joints[5].value=0; apply_ui(); rpc_move("gripper",0); set_status("Open");}
-static void close_cb(lv_event_t* e){(void)e; joints[5].value=180; apply_ui(); rpc_move("gripper",180); set_status("Close");}
-
-static void onShow(AppHandle app,void* data,lv_obj_t* parent){
-    (void)data;
-    Ctx* c=(Ctx*)calloc(1,sizeof(Ctx)); if(!c) return;
-    c->app=app; g=c;
-    for(int i=0;i<NUM_JOINTS;i++){joints[i].last_sent=-1; c->pend[i]=joints[i].value; c->has[i]=false;}
-
-    lv_obj_t* tb=tt_lvgl_toolbar_create_for_app(parent,app); lv_obj_align(tb,LV_ALIGN_TOP_MID,0,0);
-
-    lv_obj_t* root=lv_obj_create(parent);
-    lv_obj_set_size(root,LV_PCT(100),LV_PCT(100));
-    lv_obj_set_style_pad_all(root,2,0); lv_obj_set_style_pad_top(root,34,0);
-    lv_obj_set_style_border_width(root,0,0);
-    lv_obj_set_style_bg_color(root,lv_color_hex(0xFFF8F0),0);
-    lv_obj_set_style_bg_opa(root,LV_OPA_COVER,0);
-    lv_obj_set_scroll_dir(root, LV_DIR_VER);
-
-    lv_obj_t* hdr=lv_obj_create(root); lv_obj_set_size(hdr,LV_PCT(100),16);
-    lv_obj_set_style_border_width(hdr,0,0); lv_obj_set_style_bg_opa(hdr,LV_OPA_TRANSP,0);
-    lv_obj_set_style_pad_all(hdr,0,0); lv_obj_set_pos(hdr,0,0);
-    lv_obj_clear_flag(hdr, LV_OBJ_FLAG_SCROLLABLE);
-    lv_obj_t* title=lv_label_create(hdr); lv_label_set_text(title,"Robot Arm :3");
-    lv_obj_set_style_text_font(title,lvgl_get_text_font(FONT_SIZE_SMALL),0);
-    lv_obj_set_style_text_color(title,lv_color_hex(0x3D2B5A),0); lv_obj_set_pos(title,2,0);
-    c->status=lv_label_create(hdr); lv_label_set_text(c->status,"Conn .103...");
-    lv_obj_set_style_text_font(c->status,lvgl_get_text_font(FONT_SIZE_SMALL),0);
-    lv_obj_set_style_text_color(c->status,lv_color_hex(0xA08090),0); lv_obj_set_pos(c->status,90,0);
-
-    lv_obj_t* brow=lv_obj_create(root); lv_obj_set_size(brow,LV_PCT(100),20);
-    lv_obj_set_style_border_width(brow,0,0); lv_obj_set_style_bg_opa(brow,LV_OPA_TRANSP,0);
-    lv_obj_set_style_pad_all(brow,0,0); lv_obj_set_pos(brow,0,16);
-    lv_obj_clear_flag(brow, LV_OBJ_FLAG_SCROLLABLE);
-    struct { const char* t; uint32_t col; lv_event_cb_t cb; } btns[]={
-        {"Home",0xFFD6E0,home_cb},{"Read",0xD6E8FF,read_cb},{"Open",0xD5F0D5,open_cb},{"Close",0xFFE8C5,close_cb},};
-    for(int i=0;i<4;i++){
-        lv_obj_t* b=lv_btn_create(brow); lv_obj_set_size(b,56,18);
-        lv_obj_set_style_bg_color(b,lv_color_hex(btns[i].col),0); lv_obj_set_style_radius(b,8,0);
-        lv_obj_set_pos(b,i*62+2,0);
-        lv_obj_t* l=lv_label_create(b); lv_label_set_text(l,btns[i].t);
-        lv_obj_set_style_text_font(l,lvgl_get_text_font(FONT_SIZE_SMALL),0);
-        lv_obj_set_style_text_color(l,lv_color_hex(0x4A356A),0); lv_obj_center(l);
-        lv_obj_add_event_cb(b,btns[i].cb,LV_EVENT_CLICKED,NULL);
-    }
-
-    /* ── large nice vertical sliders: 3 cols, 2x height 22x72 per request ── */
-    lv_obj_t* grid=lv_obj_create(root);
-    lv_obj_set_size(grid,LV_PCT(100),196);
-    lv_obj_set_style_border_width(grid,0,0); lv_obj_set_style_bg_opa(grid,LV_OPA_TRANSP,0);
-    lv_obj_set_style_pad_all(grid,2,0); lv_obj_set_pos(grid,0,36);
-    lv_obj_clear_flag(grid, LV_OBJ_FLAG_SCROLLABLE);
-
-    for(int i=0;i<NUM_JOINTS;i++){
-        int col=i%3, row=i/3;
-        lv_obj_t* card=lv_obj_create(grid);
-        lv_obj_set_size(card,102,96);
-        lv_obj_set_pos(card,col*104+2,row*98);
-        lv_obj_set_style_bg_color(card,lv_color_hex(joints[i].bg),0);
-        lv_obj_set_style_bg_opa(card,LV_OPA_90,0);
-        lv_obj_set_style_radius(card,12,0);
-        lv_obj_set_style_border_width(card,0,0);
-        lv_obj_set_style_pad_all(card,3,0);
-        lv_obj_clear_flag(card, LV_OBJ_FLAG_SCROLLABLE);
-
-        lv_obj_t* name=lv_label_create(card);
-        lv_label_set_text(name,joints[i].cute);
-        lv_obj_set_style_text_font(name,lvgl_get_text_font(FONT_SIZE_SMALL),0);
-        lv_obj_set_style_text_color(name,lv_color_hex(0x4A356A),0); lv_obj_set_pos(name,2,0);
-
-        c->vals[i]=lv_label_create(card);
-        char vb[8]; snprintf(vb,sizeof(vb),"%d",joints[i].value);
-        lv_label_set_text(c->vals[i],vb);
-        lv_obj_set_style_text_font(c->vals[i],lvgl_get_text_font(FONT_SIZE_SMALL),0);
-        lv_obj_set_style_text_color(c->vals[i],lv_color_hex(0xC04060),0); lv_obj_set_pos(c->vals[i],40,0);
-
-        lv_obj_t* rlbl=lv_label_create(card);
-        char rb[12]; snprintf(rb,sizeof(rb),"%d-%d",joints[i].rmin,joints[i].rmax);
-        lv_label_set_text(rlbl,rb);
-        lv_obj_set_style_text_font(rlbl,lvgl_get_text_font(FONT_SIZE_SMALL),0);
-        lv_obj_set_style_text_color(rlbl,lv_color_hex(0xA090A0),0); lv_obj_set_pos(rlbl,58,0);
-
-        lv_obj_t* sl=lv_slider_create(card);
-        c->sliders[i]=sl;
-        lv_obj_set_size(sl,22,72);
-        lv_obj_set_pos(sl,40,20);
-        lv_slider_set_range(sl,joints[i].rmin,joints[i].rmax);
-        lv_slider_set_value(sl,joints[i].value,LV_ANIM_OFF);
-        lv_obj_set_style_bg_color(sl,lv_color_hex(0xFFFFFF),LV_PART_MAIN);
-        lv_obj_set_style_bg_opa(sl,LV_OPA_80,LV_PART_MAIN);
-        lv_obj_set_style_radius(sl,10,LV_PART_MAIN);
-        lv_obj_set_style_bg_color(sl,lv_color_hex(joints[i].accent),LV_PART_INDICATOR);
-        lv_obj_set_style_radius(sl,10,LV_PART_INDICATOR);
-        lv_obj_set_style_bg_color(sl,lv_color_hex(0xFFFFFF),LV_PART_KNOB);
-        lv_obj_set_style_border_color(sl,lv_color_hex(joints[i].accent),LV_PART_KNOB);
-        lv_obj_set_style_border_width(sl,2,LV_PART_KNOB);
-        lv_obj_set_style_radius(sl,12,LV_PART_KNOB);
-        lv_obj_set_style_pad_all(sl,3,LV_PART_KNOB);
-        lv_obj_add_event_cb(sl,slider_cb,LV_EVENT_VALUE_CHANGED,(void*)(intptr_t)i);
-    }
-
-    /* ── sequencer at bottom, NOT fixed — scrollable with content ──
-       visual: colored blocks, no info, current highlighted, larger buttons */
-    lv_obj_t* seqbar=lv_obj_create(root);
-    lv_obj_set_size(seqbar,316,96);
-    lv_obj_set_pos(seqbar,2,232);
-    lv_obj_clear_flag(seqbar, LV_OBJ_FLAG_SCROLLABLE);
-    lv_obj_set_style_bg_color(seqbar,lv_color_hex(0xF0E8FF),0);
-    lv_obj_set_style_bg_opa(seqbar,LV_OPA_90,0);
-    lv_obj_set_style_radius(seqbar,12,0);
-    lv_obj_set_style_border_width(seqbar,1,0);
-    lv_obj_set_style_border_color(seqbar,lv_color_hex(0xD0C0E0),0);
-    lv_obj_set_style_pad_all(seqbar,4,0);
-
-    lv_obj_t* seq_t=lv_label_create(seqbar); lv_label_set_text(seq_t,"Seq");
-    lv_obj_set_style_text_font(seq_t,lvgl_get_text_font(FONT_SIZE_SMALL),0);
-    lv_obj_set_style_text_color(seq_t,lv_color_hex(0x3D2B5A),0); lv_obj_set_pos(seq_t,2,0);
-
-    c->seq_label=lv_label_create(seqbar); lv_label_set_text(c->seq_label,"empty");
-    lv_obj_set_style_text_font(c->seq_label,lvgl_get_text_font(FONT_SIZE_SMALL),0);
-    lv_obj_set_style_text_color(c->seq_label,lv_color_hex(0x6A5A7A),0); lv_obj_set_pos(c->seq_label,30,0);
-
-    struct { const char* t; uint32_t col; lv_event_cb_t cb; int play; } sbtns[]={
-        {"-",0xFFB7B7,seq_rem_ev,0},{"<",0xD6E8FF,seq_prev_ev,0},
-        {"Play",0xC5F5C5,seq_play_cb,1},{">",0xD6E8FF,seq_next_ev,0},{"+",0xFFE8A0,seq_add_ev,0},};
-    for(int i=0;i<5;i++){
-        lv_obj_t* b=lv_btn_create(seqbar);
-        lv_obj_set_size(b,(i==2)?56:38,32);
-        lv_obj_set_style_bg_color(b,lv_color_hex(sbtns[i].col),0);
-        lv_obj_set_style_radius(b,8,0);
-        int xs[5]={64,110,158,220,260};
-        lv_obj_set_pos(b,xs[i],0);
-        lv_obj_t* l=lv_label_create(b); if(sbtns[i].play) c->play_label=l;
-        lv_label_set_text(l,sbtns[i].t);
-        lv_obj_set_style_text_font(l,lvgl_get_text_font(FONT_SIZE_SMALL),0);
-        lv_obj_set_style_text_color(l,lv_color_hex(0x2A2A5A),0); lv_obj_center(l);
-        lv_obj_add_event_cb(b,sbtns[i].cb,LV_EVENT_CLICKED,NULL);
-    }
-
-    uint32_t blk_cols[16]={
-        0xFF8FA8,0x8FB6FF,0xFFB86A,0x88D488,0xB088FF,0xFFD060,0xFF7AA2,0x7AC8FF,
-        0xFDBA74,0x86EFAC,0xA78BFA,0xFDE68A,0xFCA5A5,0x93C5FD,0xBEF264,0xFDA4AF
-    };
-    for(int i=0;i<SEQ_MAX;i++){
-        lv_obj_t* blk=lv_btn_create(seqbar);
-        lv_obj_set_size(blk,22,22);
-        lv_obj_set_pos(blk,(i%8)*24+2,(i/8)*24+38);
-        lv_obj_set_style_bg_color(blk,lv_color_hex(blk_cols[i]),0);
-        lv_obj_set_style_radius(blk,6,0);
-        lv_obj_set_style_border_width(blk,0,0);
-        lv_obj_set_style_bg_opa(blk,LV_OPA_30,0);
-        c->blocks[i]=blk;
-        lv_obj_add_event_cb(blk,block_click_cb,LV_EVENT_CLICKED,(void*)(intptr_t)i);
-    }
-    update_seq_ui();
-
-    c->poll=lv_timer_create(poll_cb,100,NULL);
-    c->seq_timer=lv_timer_create(seq_timer_cb,1300,NULL);
-    lv_timer_create(init_cb,600,NULL);
-}
-
-static void onHide(AppHandle app,void* data){
-    (void)app;(void)data;
-    if(g){
-        if(g->poll) lv_timer_delete(g->poll);
-        if(g->seq_timer) lv_timer_delete(g->seq_timer);
-        free(g); g=NULL;
-    }
-    seq_playing=false;
-}
-int main(int argc,char* argv[]){(void)argc;(void)argv; tt_app_register((AppRegistration){.onShow=onShow,.onHide=onHide}); return 0;}

Apps/RobotArm/manifest.properties

@@ -1,13 +0,0 @@
-[manifest]
-version=0.1
-
-[target]
-sdk=0.8.0-dev
-platforms=esp32s3
-
-[app]
-id=one.tactility.robotarm
-versionName=0.1.0
-versionCode=1
-name=Robot Arm
-description=Cute controller for MCP robot arm

Apps/SerialConsole/manifest.properties

@@ -1,7 +1,10 @@
-manifest.version=0.2
-target.sdk=0.8.0-dev
-target.platforms=esp32,esp32s3,esp32c6,esp32p4
-app.id=one.tactility.serialconsole
-app.version.name=0.7.0
-app.version.code=7
-app.name=Serial Console
+[manifest]
+version=0.1
+[target]
+sdk=0.7.0-dev
+platforms=esp32,esp32s3,esp32c6,esp32p4
+[app]
+id=one.tactility.serialconsole
+versionName=0.4.0
+versionCode=4
+name=Serial Console

Apps/Snake/manifest.properties

@@ -1,8 +1,11 @@
-manifest.version=0.2
-target.sdk=0.8.0-dev
-target.platforms=esp32,esp32s3,esp32c6,esp32p4
-app.id=one.tactility.snake
-app.version.name=0.8.0
-app.version.code=8
-app.name=Snake
-app.description=Classic Snake game
+[manifest]
+version=0.1
+[target]
+sdk=0.7.0-dev
+platforms=esp32,esp32s3,esp32c6,esp32p4
+[app]
+id=one.tactility.snake
+versionName=0.5.0
+versionCode=5
+name=Snake
+description=Classic Snake game

Apps/TamaTac/manifest.properties

@@ -1,8 +1,11 @@
-manifest.version=0.2
-target.sdk=0.8.0-dev
-target.platforms=esp32,esp32s3,esp32c6,esp32p4
-app.id=one.tactility.tamatac
-app.version.name=0.4.0
-app.version.code=4
-app.name=TamaTac
-app.description=Virtual pet inspired by Tamagotchi. Only runs on devices with PSRAM.
+[manifest]
+version=0.1
+[target]
+sdk=0.7.0-dev
+platforms=esp32,esp32s3,esp32c6,esp32p4
+[app]
+id=one.tactility.tamatac
+versionName=0.1.0
+versionCode=1
+name=TamaTac
+description=Virtual pet inspired by Tamagotchi. Only runs on devices with PSRAM.

Apps/TodoList/manifest.properties

@@ -1,8 +1,11 @@
-manifest.version=0.2
-target.sdk=0.8.0-dev
-target.platforms=esp32,esp32s3,esp32c6,esp32p4
-app.id=one.tactility.todolist
-app.version.name=0.5.0
-app.version.code=5
-app.name=Todo List
-app.description=Simple task list manager
+[manifest]
+version=0.1
+[target]
+sdk=0.7.0-dev
+platforms=esp32,esp32s3,esp32c6,esp32p4
+[app]
+id=one.tactility.todolist
+versionName=0.2.0
+versionCode=2
+name=Todo List
+description=Simple task list manager

Apps/TwoEleven/manifest.properties

@@ -1,8 +1,11 @@
-manifest.version=0.2
-target.sdk=0.8.0-dev
-target.platforms=esp32,esp32s3,esp32c6,esp32p4
-app.id=one.tactility.twoeleven
-app.version.name=0.7.0
-app.version.code=7
-app.name=2048
-app.description=A fun, customizable 2048 sliding tile game for tactility!\nSlide tiles to combine numbers and reach 2048.\nChoose grid sizes: 3x3 (easy), 4x4 (classic), 5x5, or 6x6 (expert).
+[manifest]
+version=0.1
+[target]
+sdk=0.7.0-dev
+platforms=esp32,esp32s3,esp32c6,esp32p4
+[app]
+id=one.tactility.twoeleven
+versionName=0.4.0
+versionCode=4
+name=2048
+description=A fun, customizable 2048 sliding tile game for tactility!\nSlide tiles to combine numbers and reach 2048.\nChoose grid sizes: 3x3 (easy), 4x4 (classic), 5x5, or 6x6 (expert).

Buildscripts/CDN/upload-app-files.py

@@ -1,70 +0,0 @@
-import os
-import sys
-import boto3
-
-SHELL_COLOR_RED = "\033[91m"
-SHELL_COLOR_ORANGE = "\033[93m"
-SHELL_COLOR_RESET = "\033[m"
-
-def print_warning(message):
-    print(f"{SHELL_COLOR_ORANGE}WARNING: {message}{SHELL_COLOR_RESET}")
-
-def print_error(message):
-    print(f"{SHELL_COLOR_RED}ERROR: {message}{SHELL_COLOR_RESET}")
-
-def print_help():
-    print("Usage: python upload-app-files.py [path] [sdkVersion] [cloudflareAccountId] [cloudflareTokenName] [cloudflareTokenValue]")
-    print("")
-    print("Options:")
-    print("  --index-only                   Upload only apps.json")
-
-def exit_with_error(message):
-    print_error(message)
-    sys.exit(1)
-
-def main(path: str, sdk_version: str, cloudflare_account_id, cloudflare_token_name: str, cloudflare_token_value: str, index_only: bool):
-    if not os.path.exists(path):
-        exit_with_error(f"Path not found: {path}")
-    s3 = boto3.client(
-        service_name="s3",
-        endpoint_url=f"https://{cloudflare_account_id}.r2.cloudflarestorage.com",
-        aws_access_key_id=cloudflare_token_name,
-        aws_secret_access_key=cloudflare_token_value,
-        region_name="auto"
-    )
-    files_to_upload = os.listdir(path)
-    if index_only:
-        files_to_upload = [f for f in files_to_upload if f == 'apps.json']
-    else:
-        # Ensure apps.json is uploaded last so it never references files that
-        # haven't finished uploading yet.
-        files_to_upload.sort(key=lambda f: f == 'apps.json')
-    counter = 1
-    total = len(files_to_upload)
-    for file_name in files_to_upload:
-        object_path = f"apps/{sdk_version}/{file_name}"
-        print(f"[{counter}/{total}] Uploading {file_name} to {object_path}")
-        file_path = os.path.join(path, file_name)
-        try:
-            s3.upload_file(file_path, "tactility", object_path)
-        except Exception as e:
-            exit_with_error(f"Failed to upload {file_name}: {str(e)}")
-        counter += 1
-
-if __name__ == "__main__":
-    print("Tactility CDN Apps Uploader")
-    if "--help" in sys.argv:
-        print_help()
-        sys.exit()
-    # Argument validation
-    if len(sys.argv) < 6:
-        print_help()
-        sys.exit(1)
-    main(
-        path=sys.argv[1],
-        sdk_version=sys.argv[2],
-        cloudflare_account_id=sys.argv[3],
-        cloudflare_token_name=sys.argv[4],
-        cloudflare_token_value=sys.argv[5],
-        index_only="--index-only" in sys.argv
-    )

release.py

@@ -1,23 +1,14 @@
 import json
-import subprocess
 import tarfile
 import os
 import tempfile
+import configparser
 import sys
-from datetime import datetime, UTC
 
 def read_properties_file(path):
-    properties = {}
-    with open(path, "r") as file:
-        for line in file:
-            stripped = line.strip()
-            if not stripped or stripped.startswith("#"):
-                continue
-            key, sep, value = line.partition("=")
-            if not sep:
-                continue
-            properties[key.strip()] = value.strip()
-    return properties
+    config = configparser.RawConfigParser()
+    config.read(path)
+    return config
 
 def get_manifest(appPath):
     """Extract only the file named 'manifest.properties' from the given tar/tar.gz
@@ -71,49 +62,51 @@ def get_manifest(appPath):
     return None
 
 def get_versioned_file_name(manifest):
-    app_id = manifest["app.id"]
-    version_code = manifest["app.version.code"]
+    app_id = manifest["app"]["id"]
+    version_code = manifest["app"]["versionCode"]
     return f"{app_id}-{version_code}.app"
 
 def get_os_version(manifest):
-    sdk = manifest["target.sdk"]
+    sdk = manifest["target"]["sdk"]
     # Remove trailing hyphen suffix if present
     if "-" in sdk:
         return sdk.rsplit("-", 1)[0].strip()
     else:
         return sdk
 
-def check_and_get_sdk_version(manifest_map):
-    """Ensure all apps target the same (simplified) SDK version and return it."""
-    versions = {get_os_version(manifest) for manifest in manifest_map.values()}
-    if len(versions) != 1:
-        print(f"ERROR: Apps target multiple SDK versions: {sorted(versions)}. All apps must target the same SDK version.")
-        sys.exit(1)
-    return next(iter(versions))
-
-def get_git_commit_hash():
-    return subprocess.check_output(['git', 'rev-parse', 'HEAD']).decode('ascii').strip()
-
 def manifest_config_to_flat_json(manifest):
-    """Convert a flat (V2) manifest dict into a flat JSON-like dict.
+    """Convert a ConfigParser manifest into a flat JSON-like dict.
 
-    Expected keys:
-        app.id -> appId
-        app.version.name -> appVersionName
-        app.version.code -> appVersionCode (int)
-        app.name -> appName
-        app.description -> appDescription (optional; default "")
-        target.sdk -> targetSdk
-        target.platforms -> targetPlatforms (comma-separated list)
+    Expected sections/keys (case-insensitive for keys):
+    - [app]
+        id -> appId
+        versionName -> appVersionName
+        versionCode -> appVersionCode (int)
+        name -> appName
+        description -> appDescription (optional; default "")
+    - [target]
+        sdk -> targetSdk
+        platforms -> targetPlatforms (comma-separated list)
 
     Unknown/missing values fall back to sensible defaults per requirements.
     """
+    def get_opt(section, option, default=None):
+        if not manifest.has_section(section):
+            return default
+        # try exact option then lowercase (RawConfigParser lowercases by default)
+        if manifest.has_option(section, option):
+            return manifest.get(section, option)
+        low = option.lower()
+        if manifest.has_option(section, low):
+            return manifest.get(section, low)
+        return default
+
     # Map values
-    app_id = manifest.get("app.id", "")
-    app_version_name = manifest.get("app.version.name", "")
-    app_version_code_raw = manifest.get("app.version.code", "0")
-    app_name = manifest.get("app.name", "")
-    app_description = manifest.get("app.description", "") or ""
+    app_id = get_opt("app", "id", "")
+    app_version_name = get_opt("app", "versionName", "")
+    app_version_code_raw = get_opt("app", "versionCode", "0")
+    app_name = get_opt("app", "name", "")
+    app_description = get_opt("app", "description", "") or ""
 
     # Coerce version code to int safely
     try:
@@ -121,8 +114,8 @@ def manifest_config_to_flat_json(manifest):
     except Exception:
         app_version_code = 0
 
-    target_sdk = manifest.get("target.sdk", "")
-    platforms_raw = manifest.get("target.platforms", "")
+    target_sdk = get_opt("target", "sdk", "")
+    platforms_raw = get_opt("target", "platforms", "")
     target_platforms = [p.strip() for p in str(platforms_raw).split(",") if p.strip()] if platforms_raw is not None else []
 
     filename = get_versioned_file_name(manifest)
@@ -149,23 +142,15 @@ if __name__ == "__main__":
         sys.exit()
     app_directory = sys.argv[1]
     manifest_map = {}
+    output_json = {
+        "apps": []
+    }
     any_manifest = None
     if os.path.exists(app_directory):
         for file in os.listdir(app_directory):
             if file.endswith(".app"):
                 file_path = os.path.join(app_directory, file)
                 manifest_map[file_path] = get_manifest(file_path)
-    # All bundled apps must target the same SDK version; this becomes the CDN path segment
-    sdk_version = check_and_get_sdk_version(manifest_map)
-    with open("sdk_version.txt", "w") as f:
-        f.write(sdk_version)
-    print(f"SDK version: {sdk_version}")
-    output_json = {
-        "sdkVersion": sdk_version,
-        "created": datetime.now(UTC).strftime('%Y-%m-%dT%H:%M:%SZ'),
-        "gitCommit": get_git_commit_hash(),
-        "apps": []
-    }
     # Rename files and collect manifest data into output json object
     for file_path in manifest_map.keys():
         print(f"Processing {file_path}: {manifest_map[file_path]}")
@@ -179,4 +164,4 @@ if __name__ == "__main__":
         any_manifest = manifest
     # Write JSON
     output_json_path = os.path.join(app_directory, "apps.json")
-    write_json(output_json_path, output_json)
+    write_json(output_json_path, output_json)

tactility.py

@@ -1,3 +1,4 @@
+import configparser
 import json
 import os
 import re
@@ -12,7 +13,7 @@ import tarfile
 from urllib.parse import urlparse
 
 ttbuild_path = ".tactility"
-ttbuild_version = "4.1.0"
+ttbuild_version = "3.5.1"
 ttbuild_cdn = "https://cdn.tactilityproject.org"
 ttbuild_sdk_json_validity = 3600  # seconds
 ttport = 6666
@@ -105,17 +106,9 @@ def get_url(ip, path):
     return f"http://{ip}:{ttport}{path}"
 
 def read_properties_file(path):
-    properties = {}
-    with open(path, "r") as file:
-        for line in file:
-            stripped = line.strip()
-            if not stripped or stripped.startswith("#"):
-                continue
-            key, sep, value = line.partition("=")
-            if not sep:
-                continue
-            properties[key.strip()] = value.strip()
-    return properties
+    config = configparser.RawConfigParser()
+    config.read(path)
+    return config
 
 #endregion Core
 
@@ -192,7 +185,7 @@ def fetch_sdkconfig_files(platform_targets):
     for platform in platform_targets:
         sdkconfig_filename = f"sdkconfig.app.{platform}"
         target_path = os.path.join(ttbuild_path, sdkconfig_filename)
-        if not download_file(f"{ttbuild_cdn}/sdk/{sdkconfig_filename}", target_path):
+        if not download_file(f"{ttbuild_cdn}/{sdkconfig_filename}", target_path):
             exit_with_error(f"Failed to download sdkconfig file for {platform}")
 
 #endregion SDK helpers
@@ -238,12 +231,32 @@ def read_manifest():
     return read_properties_file("manifest.properties")
 
 def validate_manifest(manifest):
-    for key in ("manifest.version", "target.sdk", "target.platforms", "app.id", "app.version.name", "app.version.code", "app.name"):
-        if key not in manifest:
-            exit_with_error(f"Invalid manifest format: {key} not found")
+    # [manifest]
+    if not "manifest" in manifest:
+        exit_with_error("Invalid manifest format: [manifest] not found")
+    if not "version" in manifest["manifest"]:
+        exit_with_error("Invalid manifest format: [manifest] version not found")
+    # [target]
+    if not "target" in manifest:
+        exit_with_error("Invalid manifest format: [target] not found")
+    if not "sdk" in manifest["target"]:
+        exit_with_error("Invalid manifest format: [target] sdk not found")
+    if not "platforms" in manifest["target"]:
+        exit_with_error("Invalid manifest format: [target] platforms not found")
+    # [app]
+    if not "app" in manifest:
+        exit_with_error("Invalid manifest format: [app] not found")
+    if not "id" in manifest["app"]:
+        exit_with_error("Invalid manifest format: [app] id not found")
+    if not "versionName" in manifest["app"]:
+        exit_with_error("Invalid manifest format: [app] versionName not found")
+    if not "versionCode" in manifest["app"]:
+        exit_with_error("Invalid manifest format: [app] versionCode not found")
+    if not "name" in manifest["app"]:
+        exit_with_error("Invalid manifest format: [app] name not found")
 
 def is_valid_manifest_platform(manifest, platform):
-    manifest_platforms = manifest["target.platforms"].split(",")
+    manifest_platforms = manifest["target"]["platforms"].split(",")
     return platform in manifest_platforms
 
 def validate_manifest_platform(manifest, platform):
@@ -252,7 +265,7 @@ def validate_manifest_platform(manifest, platform):
 
 def get_manifest_target_platforms(manifest, requested_platform):
     if requested_platform == "" or requested_platform is None:
-        return manifest["target.platforms"].split(",")
+        return manifest["target"]["platforms"].split(",")
     else:
         validate_manifest_platform(manifest, requested_platform)
         return [requested_platform]
@@ -499,7 +512,7 @@ def build_action(manifest, platform_arg, skip_build):
     if use_local_sdk:
         global local_base_path
         local_base_path = os.environ.get("TACTILITY_SDK_PATH")
-        validate_local_sdks(platforms_to_build, manifest["target.sdk"])
+        validate_local_sdks(platforms_to_build, manifest["target"]["sdk"])
     
     if should_fetch_sdkconfig_files(platforms_to_build):
         fetch_sdkconfig_files(platforms_to_build)
@@ -508,7 +521,7 @@ def build_action(manifest, platform_arg, skip_build):
         sdk_json = read_sdk_json()
         validate_self(sdk_json)
     # Build
-    sdk_version = manifest["target.sdk"]
+    sdk_version = manifest["target"]["sdk"]
     if not use_local_sdk:
         if not sdk_download_all(sdk_version, platforms_to_build):
             exit_with_error("Failed to download one or more SDKs")
@@ -557,7 +570,7 @@ def get_device_info(ip):
         print_status_error(f"Device info request failed: {e}")
 
 def run_action(manifest, ip):
-    app_id = manifest["app.id"]
+    app_id = manifest["app"]["id"]
     print_status_busy("Running")
     url = get_url(ip, "/app/run")
     params = {'id': app_id}
@@ -601,7 +614,7 @@ def install_action(ip, platforms):
         return False
 
 def uninstall_action(manifest, ip):
-    app_id = manifest["app.id"]
+    app_id = manifest["app"]["id"]
     print_status_busy("Uninstalling")
     url = get_url(ip, "/app/uninstall")
     params = {'id': app_id}
@@ -657,7 +670,7 @@ if __name__ == "__main__":
         exit_with_error("manifest.properties not found")
     manifest = read_manifest()
     validate_manifest(manifest)
-    all_platform_targets = manifest["target.platforms"].split(",")
+    all_platform_targets = manifest["target"]["platforms"].split(",")
     # Update SDK cache (tool.json)
     if not use_local_sdk and should_update_tool_json() and not update_tool_json():
         exit_with_error("Failed to retrieve SDK info")