diff --git a/Android.mk b/Android.mk
index 74e7b1d..d96849f 100644
--- a/Android.mk
+++ b/Android.mk
@@ -40,6 +40,7 @@
     screen_ui.cpp \
     ui.cpp \
     verifier.cpp \
+    wear_ui.cpp \
 
 LOCAL_MODULE := recovery
 
diff --git a/etc/init.rc b/etc/init.rc
index 0a4c6e9..dc18659 100644
--- a/etc/init.rc
+++ b/etc/init.rc
@@ -46,8 +46,8 @@
     class_start default
 
 # Load properties from /system/ + /factory after fs mount.
-on load_all_props_action
-    load_all_props
+on load_system_props_action
+    load_system_props
 
 on firmware_mounts_complete
    rm /dev/.booting
@@ -62,7 +62,7 @@
     # Load properties from /system/ + /factory after fs mount. Place
     # this in another action so that the load will be scheduled after the prior
     # issued fs triggers have completed.
-    trigger load_all_props_action
+    trigger load_system_props_action
 
     # Remove a file to wake up anything waiting for firmware
     trigger firmware_mounts_complete
diff --git a/minui/Android.mk b/minui/Android.mk
index 5584612..3057f45 100644
--- a/minui/Android.mk
+++ b/minui/Android.mk
@@ -5,10 +5,12 @@
     events.cpp \
     graphics.cpp \
     graphics_adf.cpp \
+    graphics_drm.cpp \
     graphics_fbdev.cpp \
     resources.cpp \
 
 LOCAL_WHOLE_STATIC_LIBRARIES += libadf
+LOCAL_WHOLE_STATIC_LIBRARIES += libdrm
 LOCAL_STATIC_LIBRARIES += libpng
 
 LOCAL_MODULE := libminui
diff --git a/minui/graphics.cpp b/minui/graphics.cpp
index f09f1c6..c0eea9e 100644
--- a/minui/graphics.cpp
+++ b/minui/graphics.cpp
@@ -369,6 +369,11 @@
     }
 
     if (!gr_draw) {
+        gr_backend = open_drm();
+        gr_draw = gr_backend->init(gr_backend);
+    }
+
+    if (!gr_draw) {
         gr_backend = open_fbdev();
         gr_draw = gr_backend->init(gr_backend);
         if (gr_draw == NULL) {
diff --git a/minui/graphics.h b/minui/graphics.h
index 81a9233..52968eb 100644
--- a/minui/graphics.h
+++ b/minui/graphics.h
@@ -38,5 +38,6 @@
 
 minui_backend* open_fbdev();
 minui_backend* open_adf();
+minui_backend* open_drm();
 
 #endif
diff --git a/minui/graphics_drm.cpp b/minui/graphics_drm.cpp
new file mode 100644
index 0000000..03e33b7
--- /dev/null
+++ b/minui/graphics_drm.cpp
@@ -0,0 +1,476 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <drm_fourcc.h>
+#include <fcntl.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/cdefs.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+
+#include "minui.h"
+#include "graphics.h"
+
+#define ARRAY_SIZE(A) (sizeof(A)/sizeof(*(A)))
+
+struct drm_surface {
+    GRSurface base;
+    uint32_t fb_id;
+    uint32_t handle;
+};
+
+static drm_surface *drm_surfaces[2];
+static int current_buffer;
+
+static drmModeCrtc *main_monitor_crtc;
+static drmModeConnector *main_monitor_connector;
+
+static int drm_fd = -1;
+
+static void drm_disable_crtc(int drm_fd, drmModeCrtc *crtc) {
+    if (crtc) {
+        drmModeSetCrtc(drm_fd, crtc->crtc_id,
+                       0, // fb_id
+                       0, 0,  // x,y
+                       NULL,  // connectors
+                       0,     // connector_count
+                       NULL); // mode
+    }
+}
+
+static void drm_enable_crtc(int drm_fd, drmModeCrtc *crtc,
+                            struct drm_surface *surface) {
+    int32_t ret;
+
+    ret = drmModeSetCrtc(drm_fd, crtc->crtc_id,
+                         surface->fb_id,
+                         0, 0,  // x,y
+                         &main_monitor_connector->connector_id,
+                         1,  // connector_count
+                         &main_monitor_crtc->mode);
+
+    if (ret)
+        printf("drmModeSetCrtc failed ret=%d\n", ret);
+}
+
+static void drm_blank(minui_backend* backend __unused, bool blank) {
+    if (blank)
+        drm_disable_crtc(drm_fd, main_monitor_crtc);
+    else
+        drm_enable_crtc(drm_fd, main_monitor_crtc,
+                        drm_surfaces[current_buffer]);
+}
+
+static void drm_destroy_surface(struct drm_surface *surface) {
+    struct drm_gem_close gem_close;
+    int ret;
+
+    if(!surface)
+        return;
+
+    if (surface->base.data)
+        munmap(surface->base.data,
+               surface->base.row_bytes * surface->base.height);
+
+    if (surface->fb_id) {
+        ret = drmModeRmFB(drm_fd, surface->fb_id);
+        if (ret)
+            printf("drmModeRmFB failed ret=%d\n", ret);
+    }
+
+    if (surface->handle) {
+        memset(&gem_close, 0, sizeof(gem_close));
+        gem_close.handle = surface->handle;
+
+        ret = drmIoctl(drm_fd, DRM_IOCTL_GEM_CLOSE, &gem_close);
+        if (ret)
+            printf("DRM_IOCTL_GEM_CLOSE failed ret=%d\n", ret);
+    }
+
+    free(surface);
+}
+
+static int drm_format_to_bpp(uint32_t format) {
+    switch(format) {
+        case DRM_FORMAT_ABGR8888:
+        case DRM_FORMAT_BGRA8888:
+        case DRM_FORMAT_RGBX8888:
+        case DRM_FORMAT_BGRX8888:
+        case DRM_FORMAT_XBGR8888:
+        case DRM_FORMAT_XRGB8888:
+            return 32;
+        case DRM_FORMAT_RGB565:
+            return 16;
+        default:
+            printf("Unknown format %d\n", format);
+            return 32;
+    }
+}
+
+static drm_surface *drm_create_surface(int width, int height) {
+    struct drm_surface *surface;
+    struct drm_mode_create_dumb create_dumb;
+    uint32_t format;
+    int ret;
+
+    surface = (struct drm_surface*)calloc(1, sizeof(*surface));
+    if (!surface) {
+        printf("Can't allocate memory\n");
+        return NULL;
+    }
+
+#if defined(RECOVERY_ABGR)
+    format = DRM_FORMAT_RGBA8888;
+#elif defined(RECOVERY_BGRA)
+    format = DRM_FORMAT_ARGB8888;
+#elif defined(RECOVERY_RGBX)
+    format = DRM_FORMAT_XBGR8888;
+#else
+    format = DRM_FORMAT_RGB565;
+#endif
+
+    memset(&create_dumb, 0, sizeof(create_dumb));
+    create_dumb.height = height;
+    create_dumb.width = width;
+    create_dumb.bpp = drm_format_to_bpp(format);
+    create_dumb.flags = 0;
+
+    ret = drmIoctl(drm_fd, DRM_IOCTL_MODE_CREATE_DUMB, &create_dumb);
+    if (ret) {
+        printf("DRM_IOCTL_MODE_CREATE_DUMB failed ret=%d\n",ret);
+        drm_destroy_surface(surface);
+        return NULL;
+    }
+    surface->handle = create_dumb.handle;
+
+    uint32_t handles[4], pitches[4], offsets[4];
+
+    handles[0] = surface->handle;
+    pitches[0] = create_dumb.pitch;
+    offsets[0] = 0;
+
+    ret = drmModeAddFB2(drm_fd, width, height,
+            format, handles, pitches, offsets,
+            &(surface->fb_id), 0);
+    if (ret) {
+        printf("drmModeAddFB2 failed ret=%d\n", ret);
+        drm_destroy_surface(surface);
+        return NULL;
+    }
+
+    struct drm_mode_map_dumb map_dumb;
+    memset(&map_dumb, 0, sizeof(map_dumb));
+    map_dumb.handle = create_dumb.handle;
+    ret = drmIoctl(drm_fd, DRM_IOCTL_MODE_MAP_DUMB, &map_dumb);
+    if (ret) {
+        printf("DRM_IOCTL_MODE_MAP_DUMB failed ret=%d\n",ret);
+        drm_destroy_surface(surface);
+        return NULL;;
+    }
+
+    surface->base.height = height;
+    surface->base.width = width;
+    surface->base.row_bytes = create_dumb.pitch;
+    surface->base.pixel_bytes = create_dumb.bpp / 8;
+    surface->base.data = (unsigned char*)
+                         mmap(NULL,
+                              surface->base.height * surface->base.row_bytes,
+                              PROT_READ | PROT_WRITE, MAP_SHARED,
+                              drm_fd, map_dumb.offset);
+    if (surface->base.data == MAP_FAILED) {
+        perror("mmap() failed");
+        drm_destroy_surface(surface);
+        return NULL;
+    }
+
+    return surface;
+}
+
+static drmModeCrtc *find_crtc_for_connector(int fd,
+                            drmModeRes *resources,
+                            drmModeConnector *connector) {
+    int i, j;
+    drmModeEncoder *encoder;
+    int32_t crtc;
+
+    /*
+     * Find the encoder. If we already have one, just use it.
+     */
+    if (connector->encoder_id)
+        encoder = drmModeGetEncoder(fd, connector->encoder_id);
+    else
+        encoder = NULL;
+
+    if (encoder && encoder->crtc_id) {
+        crtc = encoder->crtc_id;
+        drmModeFreeEncoder(encoder);
+        return drmModeGetCrtc(fd, crtc);
+    }
+
+    /*
+     * Didn't find anything, try to find a crtc and encoder combo.
+     */
+    crtc = -1;
+    for (i = 0; i < connector->count_encoders; i++) {
+        encoder = drmModeGetEncoder(fd, connector->encoders[i]);
+
+        if (encoder) {
+            for (j = 0; j < resources->count_crtcs; j++) {
+                if (!(encoder->possible_crtcs & (1 << j)))
+                    continue;
+                crtc = resources->crtcs[j];
+                break;
+            }
+            if (crtc >= 0) {
+                drmModeFreeEncoder(encoder);
+                return drmModeGetCrtc(fd, crtc);
+            }
+        }
+    }
+
+    return NULL;
+}
+
+static drmModeConnector *find_used_connector_by_type(int fd,
+                                 drmModeRes *resources,
+                                 unsigned type) {
+    int i;
+    for (i = 0; i < resources->count_connectors; i++) {
+        drmModeConnector *connector;
+
+        connector = drmModeGetConnector(fd, resources->connectors[i]);
+        if (connector) {
+            if ((connector->connector_type == type) &&
+                    (connector->connection == DRM_MODE_CONNECTED) &&
+                    (connector->count_modes > 0))
+                return connector;
+
+            drmModeFreeConnector(connector);
+        }
+    }
+    return NULL;
+}
+
+static drmModeConnector *find_first_connected_connector(int fd,
+                             drmModeRes *resources) {
+    int i;
+    for (i = 0; i < resources->count_connectors; i++) {
+        drmModeConnector *connector;
+
+        connector = drmModeGetConnector(fd, resources->connectors[i]);
+        if (connector) {
+            if ((connector->count_modes > 0) &&
+                    (connector->connection == DRM_MODE_CONNECTED))
+                return connector;
+
+            drmModeFreeConnector(connector);
+        }
+    }
+    return NULL;
+}
+
+static drmModeConnector *find_main_monitor(int fd, drmModeRes *resources,
+        uint32_t *mode_index) {
+    unsigned i = 0;
+    int modes;
+    /* Look for LVDS/eDP/DSI connectors. Those are the main screens. */
+    unsigned kConnectorPriority[] = {
+        DRM_MODE_CONNECTOR_LVDS,
+        DRM_MODE_CONNECTOR_eDP,
+        DRM_MODE_CONNECTOR_DSI,
+    };
+
+    drmModeConnector *main_monitor_connector = NULL;
+    do {
+        main_monitor_connector = find_used_connector_by_type(fd,
+                                         resources,
+                                         kConnectorPriority[i]);
+        i++;
+    } while (!main_monitor_connector && i < ARRAY_SIZE(kConnectorPriority));
+
+    /* If we didn't find a connector, grab the first one that is connected. */
+    if (!main_monitor_connector)
+        main_monitor_connector =
+                find_first_connected_connector(fd, resources);
+
+    /* If we still didn't find a connector, give up and return. */
+    if (!main_monitor_connector)
+        return NULL;
+
+    *mode_index = 0;
+    for (modes = 0; modes < main_monitor_connector->count_modes; modes++) {
+        if (main_monitor_connector->modes[modes].type &
+                DRM_MODE_TYPE_PREFERRED) {
+            *mode_index = modes;
+            break;
+        }
+    }
+
+    return main_monitor_connector;
+}
+
+static void disable_non_main_crtcs(int fd,
+                    drmModeRes *resources,
+                    drmModeCrtc* main_crtc) {
+    int i;
+    drmModeCrtc* crtc;
+
+    for (i = 0; i < resources->count_connectors; i++) {
+        drmModeConnector *connector;
+
+        connector = drmModeGetConnector(fd, resources->connectors[i]);
+        crtc = find_crtc_for_connector(fd, resources, connector);
+        if (crtc->crtc_id != main_crtc->crtc_id)
+            drm_disable_crtc(fd, crtc);
+        drmModeFreeCrtc(crtc);
+    }
+}
+
+static GRSurface* drm_init(minui_backend* backend __unused) {
+    drmModeRes *res = NULL;
+    uint32_t selected_mode;
+    char *dev_name;
+    int width, height;
+    int ret, i;
+
+    /* Consider DRM devices in order. */
+    for (i = 0; i < DRM_MAX_MINOR; i++) {
+        uint64_t cap = 0;
+
+        ret = asprintf(&dev_name, DRM_DEV_NAME, DRM_DIR_NAME, i);
+        if (ret < 0)
+            continue;
+
+        drm_fd = open(dev_name, O_RDWR, 0);
+        free(dev_name);
+        if (drm_fd < 0)
+            continue;
+
+        /* We need dumb buffers. */
+        ret = drmGetCap(drm_fd, DRM_CAP_DUMB_BUFFER, &cap);
+        if (ret || cap == 0) {
+            close(drm_fd);
+            continue;
+        }
+
+        res = drmModeGetResources(drm_fd);
+        if (!res) {
+            close(drm_fd);
+            continue;
+        }
+
+        /* Use this device if it has at least one connected monitor. */
+        if (res->count_crtcs > 0 && res->count_connectors > 0)
+            if (find_first_connected_connector(drm_fd, res))
+                break;
+
+        drmModeFreeResources(res);
+        close(drm_fd);
+        res = NULL;
+    }
+
+    if (drm_fd < 0 || res == NULL) {
+        perror("cannot find/open a drm device");
+        return NULL;
+    }
+
+    main_monitor_connector = find_main_monitor(drm_fd,
+            res, &selected_mode);
+
+    if (!main_monitor_connector) {
+        printf("main_monitor_connector not found\n");
+        drmModeFreeResources(res);
+        close(drm_fd);
+        return NULL;
+    }
+
+    main_monitor_crtc = find_crtc_for_connector(drm_fd, res,
+                                                main_monitor_connector);
+
+    if (!main_monitor_crtc) {
+        printf("main_monitor_crtc not found\n");
+        drmModeFreeResources(res);
+        close(drm_fd);
+        return NULL;
+    }
+
+    disable_non_main_crtcs(drm_fd,
+                           res, main_monitor_crtc);
+
+    main_monitor_crtc->mode = main_monitor_connector->modes[selected_mode];
+
+    width = main_monitor_crtc->mode.hdisplay;
+    height = main_monitor_crtc->mode.vdisplay;
+
+    drmModeFreeResources(res);
+
+    drm_surfaces[0] = drm_create_surface(width, height);
+    drm_surfaces[1] = drm_create_surface(width, height);
+    if (!drm_surfaces[0] || !drm_surfaces[1]) {
+        drm_destroy_surface(drm_surfaces[0]);
+        drm_destroy_surface(drm_surfaces[1]);
+        drmModeFreeResources(res);
+        close(drm_fd);
+        return NULL;
+    }
+
+    current_buffer = 0;
+
+    drm_enable_crtc(drm_fd, main_monitor_crtc, drm_surfaces[1]);
+
+    return &(drm_surfaces[0]->base);
+}
+
+static GRSurface* drm_flip(minui_backend* backend __unused) {
+    int ret;
+
+    ret = drmModePageFlip(drm_fd, main_monitor_crtc->crtc_id,
+                          drm_surfaces[current_buffer]->fb_id, 0, NULL);
+    if (ret < 0) {
+        printf("drmModePageFlip failed ret=%d\n", ret);
+        return NULL;
+    }
+    current_buffer = 1 - current_buffer;
+    return &(drm_surfaces[current_buffer]->base);
+}
+
+static void drm_exit(minui_backend* backend __unused) {
+    drm_disable_crtc(drm_fd, main_monitor_crtc);
+    drm_destroy_surface(drm_surfaces[0]);
+    drm_destroy_surface(drm_surfaces[1]);
+    drmModeFreeCrtc(main_monitor_crtc);
+    drmModeFreeConnector(main_monitor_connector);
+    close(drm_fd);
+    drm_fd = -1;
+}
+
+static minui_backend drm_backend = {
+    .init = drm_init,
+    .flip = drm_flip,
+    .blank = drm_blank,
+    .exit = drm_exit,
+};
+
+minui_backend* open_drm() {
+    return &drm_backend;
+}
diff --git a/wear_ui.cpp b/wear_ui.cpp
new file mode 100644
index 0000000..4ae42c4
--- /dev/null
+++ b/wear_ui.cpp
@@ -0,0 +1,650 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <vector>
+
+#include "common.h"
+#include "device.h"
+#include "minui/minui.h"
+#include "wear_ui.h"
+#include "ui.h"
+#include "cutils/properties.h"
+#include "base/strings.h"
+
+static int char_width;
+static int char_height;
+
+// There's only (at most) one of these objects, and global callbacks
+// (for pthread_create, and the input event system) need to find it,
+// so use a global variable.
+static WearRecoveryUI* self = NULL;
+
+// Return the current time as a double (including fractions of a second).
+static double now() {
+    struct timeval tv;
+    gettimeofday(&tv, NULL);
+    return tv.tv_sec + tv.tv_usec / 1000000.0;
+}
+
+WearRecoveryUI::WearRecoveryUI() :
+    progress_bar_height(3),
+    progress_bar_width(200),
+    progress_bar_y(259),
+    outer_height(0),
+    outer_width(0),
+    menu_unusable_rows(0),
+    intro_frames(22),
+    loop_frames(60),
+    currentIcon(NONE),
+    intro_done(false),
+    current_frame(0),
+    animation_fps(30),
+    rtl_locale(false),
+    progressBarType(EMPTY),
+    progressScopeStart(0),
+    progressScopeSize(0),
+    progress(0),
+    text_cols(0),
+    text_rows(0),
+    text_col(0),
+    text_row(0),
+    text_top(0),
+    show_text(false),
+    show_text_ever(false),
+    show_menu(false),
+    menu_items(0),
+    menu_sel(0) {
+
+    for (size_t i = 0; i < 5; i++)
+        backgroundIcon[i] = NULL;
+
+    pthread_mutex_init(&updateMutex, NULL);
+    self = this;
+}
+
+// Draw background frame on the screen.  Does not flip pages.
+// Should only be called with updateMutex locked.
+void WearRecoveryUI::draw_background_locked(Icon icon)
+{
+    gr_color(0, 0, 0, 255);
+    gr_fill(0, 0, gr_fb_width(), gr_fb_height());
+
+    if (icon) {
+        GRSurface* surface;
+        if (icon == INSTALLING_UPDATE || icon == ERASING) {
+            if (!intro_done) {
+                surface = introFrames[current_frame];
+            } else {
+                surface = loopFrames[current_frame];
+            }
+        }
+        else {
+            surface = backgroundIcon[icon];
+        }
+
+        int width = gr_get_width(surface);
+        int height = gr_get_height(surface);
+
+        int x = (gr_fb_width() - width) / 2;
+        int y = (gr_fb_height() - height) / 2;
+
+        gr_blit(surface, 0, 0, width, height, x, y);
+    }
+}
+
+// Draw the progress bar (if any) on the screen.  Does not flip pages.
+// Should only be called with updateMutex locked.
+void WearRecoveryUI::draw_progress_locked()
+{
+    if (currentIcon == ERROR) return;
+    if (progressBarType != DETERMINATE) return;
+
+    int width = progress_bar_width;
+    int height = progress_bar_height;
+    int dx = (gr_fb_width() - width)/2;
+    int dy = progress_bar_y;
+
+    float p = progressScopeStart + progress * progressScopeSize;
+    int pos = (int) (p * width);
+
+    gr_color(0x43, 0x43, 0x43, 0xff);
+    gr_fill(dx, dy, dx + width, dy + height);
+
+    if (pos > 0) {
+        gr_color(0x02, 0xa8, 0xf3, 255);
+        if (rtl_locale) {
+            // Fill the progress bar from right to left.
+            gr_fill(dx + width - pos, dy, dx + width, dy + height);
+        } else {
+            // Fill the progress bar from left to right.
+            gr_fill(dx, dy, dx + pos, dy + height);
+        }
+    }
+}
+
+void WearRecoveryUI::SetColor(UIElement e) {
+    switch (e) {
+        case HEADER:
+            gr_color(247, 0, 6, 255);
+            break;
+        case MENU:
+        case MENU_SEL_BG:
+            gr_color(0, 106, 157, 255);
+            break;
+        case MENU_SEL_FG:
+            gr_color(255, 255, 255, 255);
+            break;
+        case LOG:
+            gr_color(249, 194, 0, 255);
+            break;
+        case TEXT_FILL:
+            gr_color(0, 0, 0, 160);
+            break;
+        default:
+            gr_color(255, 255, 255, 255);
+            break;
+    }
+}
+
+void WearRecoveryUI::DrawTextLine(int x, int* y, const char* line, bool bold) {
+    gr_text(x, *y, line, bold);
+    *y += char_height + 4;
+}
+
+void WearRecoveryUI::DrawTextLines(int x, int* y, const char* const* lines) {
+    for (size_t i = 0; lines != nullptr && lines[i] != nullptr; ++i) {
+        DrawTextLine(x, y, lines[i], false);
+    }
+}
+
+static const char* HEADERS[] = {
+    "Swipe up/down to move.",
+    "Swipe left/right to select.",
+    "",
+    NULL
+};
+
+void WearRecoveryUI::draw_screen_locked()
+{
+    draw_background_locked(currentIcon);
+    draw_progress_locked();
+    char cur_selection_str[50];
+
+    if (show_text) {
+        SetColor(TEXT_FILL);
+        gr_fill(0, 0, gr_fb_width(), gr_fb_height());
+
+        int y = outer_height;
+        int x = outer_width;
+        if (show_menu) {
+            char recovery_fingerprint[PROPERTY_VALUE_MAX];
+            property_get("ro.bootimage.build.fingerprint", recovery_fingerprint, "");
+            SetColor(HEADER);
+            DrawTextLine(x + 4, &y, "Android Recovery", true);
+            for (auto& chunk: android::base::Split(recovery_fingerprint, ":")) {
+                DrawTextLine(x +4, &y, chunk.c_str(), false);
+            }
+
+            // This is actually the help strings.
+            DrawTextLines(x + 4, &y, HEADERS);
+            SetColor(HEADER);
+            DrawTextLines(x + 4, &y, menu_headers_);
+
+            // Show the current menu item number in relation to total number if
+            // items don't fit on the screen.
+            if (menu_items > menu_end - menu_start) {
+                sprintf(cur_selection_str, "Current item: %d/%d", menu_sel + 1, menu_items);
+                gr_text(x+4, y, cur_selection_str, 1);
+                y += char_height+4;
+            }
+
+            // Menu begins here
+            SetColor(MENU);
+
+            for (int i = menu_start; i < menu_end; ++i) {
+
+                if (i == menu_sel) {
+                    // draw the highlight bar
+                    SetColor(MENU_SEL_BG);
+                    gr_fill(x, y-2, gr_fb_width()-x, y+char_height+2);
+                    // white text of selected item
+                    SetColor(MENU_SEL_FG);
+                    if (menu[i][0]) gr_text(x+4, y, menu[i], 1);
+                    SetColor(MENU);
+                } else {
+                    if (menu[i][0]) gr_text(x+4, y, menu[i], 0);
+                }
+                y += char_height+4;
+            }
+            SetColor(MENU);
+            y += 4;
+            gr_fill(0, y, gr_fb_width(), y+2);
+            y += 4;
+        }
+
+        SetColor(LOG);
+
+        // display from the bottom up, until we hit the top of the
+        // screen, the bottom of the menu, or we've displayed the
+        // entire text buffer.
+        int ty;
+        int row = (text_top+text_rows-1) % text_rows;
+        size_t count = 0;
+        for (int ty = gr_fb_height() - char_height - outer_height;
+             ty > y+2 && count < text_rows;
+             ty -= char_height, ++count) {
+            gr_text(x+4, ty, text[row], 0);
+            --row;
+            if (row < 0) row = text_rows-1;
+        }
+    }
+}
+
+void WearRecoveryUI::update_screen_locked()
+{
+    draw_screen_locked();
+    gr_flip();
+}
+
+// Keeps the progress bar updated, even when the process is otherwise busy.
+void* WearRecoveryUI::progress_thread(void *cookie) {
+    self->progress_loop();
+    return NULL;
+}
+
+void WearRecoveryUI::progress_loop() {
+    double interval = 1.0 / animation_fps;
+    for (;;) {
+        double start = now();
+        pthread_mutex_lock(&updateMutex);
+        int redraw = 0;
+
+        if ((currentIcon == INSTALLING_UPDATE || currentIcon == ERASING)
+                                                            && !show_text) {
+            if (!intro_done) {
+                if (current_frame == intro_frames - 1) {
+                    intro_done = true;
+                    current_frame = 0;
+                } else {
+                    current_frame++;
+                }
+            } else {
+                current_frame = (current_frame + 1) % loop_frames;
+            }
+            redraw = 1;
+        }
+
+        // move the progress bar forward on timed intervals, if configured
+        int duration = progressScopeDuration;
+        if (progressBarType == DETERMINATE && duration > 0) {
+            double elapsed = now() - progressScopeTime;
+            float p = 1.0 * elapsed / duration;
+            if (p > 1.0) p = 1.0;
+            if (p > progress) {
+                progress = p;
+                redraw = 1;
+            }
+        }
+
+        if (redraw)
+            update_screen_locked();
+
+        pthread_mutex_unlock(&updateMutex);
+        double end = now();
+        // minimum of 20ms delay between frames
+        double delay = interval - (end-start);
+        if (delay < 0.02) delay = 0.02;
+        usleep((long)(delay * 1000000));
+    }
+}
+
+void WearRecoveryUI::LoadBitmap(const char* filename, GRSurface** surface) {
+    int result = res_create_display_surface(filename, surface);
+    if (result < 0) {
+        LOGE("missing bitmap %s\n(Code %d)\n", filename, result);
+    }
+}
+
+void WearRecoveryUI::Init()
+{
+    gr_init();
+
+    gr_font_size(&char_width, &char_height);
+
+    text_col = text_row = 0;
+    text_rows = (gr_fb_height()) / char_height;
+    visible_text_rows = (gr_fb_height() - (outer_height * 2)) / char_height;
+    if (text_rows > kMaxRows) text_rows = kMaxRows;
+    text_top = 1;
+
+    text_cols = (gr_fb_width() - (outer_width * 2)) / char_width;
+    if (text_cols > kMaxCols - 1) text_cols = kMaxCols - 1;
+
+    LoadBitmap("icon_installing", &backgroundIcon[INSTALLING_UPDATE]);
+    backgroundIcon[ERASING] = backgroundIcon[INSTALLING_UPDATE];
+    LoadBitmap("icon_error", &backgroundIcon[ERROR]);
+    backgroundIcon[NO_COMMAND] = backgroundIcon[ERROR];
+
+    introFrames = (GRSurface**)malloc(intro_frames * sizeof(GRSurface*));
+    for (int i = 0; i < intro_frames; ++i) {
+        char filename[40];
+        sprintf(filename, "intro%02d", i);
+        LoadBitmap(filename, introFrames + i);
+    }
+
+    loopFrames = (GRSurface**)malloc(loop_frames * sizeof(GRSurface*));
+    for (int i = 0; i < loop_frames; ++i) {
+        char filename[40];
+        sprintf(filename, "loop%02d", i);
+        LoadBitmap(filename, loopFrames + i);
+    }
+
+    pthread_create(&progress_t, NULL, progress_thread, NULL);
+    RecoveryUI::Init();
+}
+
+void WearRecoveryUI::SetLocale(const char* locale) {
+    if (locale) {
+        char* lang = strdup(locale);
+        for (char* p = lang; *p; ++p) {
+            if (*p == '_') {
+                *p = '\0';
+                break;
+            }
+        }
+
+        // A bit cheesy: keep an explicit list of supported languages
+        // that are RTL.
+        if (strcmp(lang, "ar") == 0 ||   // Arabic
+            strcmp(lang, "fa") == 0 ||   // Persian (Farsi)
+            strcmp(lang, "he") == 0 ||   // Hebrew (new language code)
+            strcmp(lang, "iw") == 0 ||   // Hebrew (old language code)
+            strcmp(lang, "ur") == 0) {   // Urdu
+            rtl_locale = true;
+        }
+        free(lang);
+    }
+}
+
+void WearRecoveryUI::SetBackground(Icon icon)
+{
+    pthread_mutex_lock(&updateMutex);
+    currentIcon = icon;
+    update_screen_locked();
+    pthread_mutex_unlock(&updateMutex);
+}
+
+void WearRecoveryUI::SetProgressType(ProgressType type)
+{
+    pthread_mutex_lock(&updateMutex);
+    if (progressBarType != type) {
+        progressBarType = type;
+    }
+    progressScopeStart = 0;
+    progressScopeSize = 0;
+    progress = 0;
+    update_screen_locked();
+    pthread_mutex_unlock(&updateMutex);
+}
+
+void WearRecoveryUI::ShowProgress(float portion, float seconds)
+{
+    pthread_mutex_lock(&updateMutex);
+    progressBarType = DETERMINATE;
+    progressScopeStart += progressScopeSize;
+    progressScopeSize = portion;
+    progressScopeTime = now();
+    progressScopeDuration = seconds;
+    progress = 0;
+    update_screen_locked();
+    pthread_mutex_unlock(&updateMutex);
+}
+
+void WearRecoveryUI::SetProgress(float fraction)
+{
+    pthread_mutex_lock(&updateMutex);
+    if (fraction < 0.0) fraction = 0.0;
+    if (fraction > 1.0) fraction = 1.0;
+    if (progressBarType == DETERMINATE && fraction > progress) {
+        // Skip updates that aren't visibly different.
+        int width = progress_bar_width;
+        float scale = width * progressScopeSize;
+        if ((int) (progress * scale) != (int) (fraction * scale)) {
+            progress = fraction;
+            update_screen_locked();
+        }
+    }
+    pthread_mutex_unlock(&updateMutex);
+}
+
+void WearRecoveryUI::SetStage(int current, int max)
+{
+}
+
+void WearRecoveryUI::Print(const char *fmt, ...)
+{
+    char buf[256];
+    va_list ap;
+    va_start(ap, fmt);
+    vsnprintf(buf, 256, fmt, ap);
+    va_end(ap);
+
+    fputs(buf, stdout);
+
+    // This can get called before ui_init(), so be careful.
+    pthread_mutex_lock(&updateMutex);
+    if (text_rows > 0 && text_cols > 0) {
+        char *ptr;
+        for (ptr = buf; *ptr != '\0'; ++ptr) {
+            if (*ptr == '\n' || text_col >= text_cols) {
+                text[text_row][text_col] = '\0';
+                text_col = 0;
+                text_row = (text_row + 1) % text_rows;
+                if (text_row == text_top) text_top = (text_top + 1) % text_rows;
+            }
+            if (*ptr != '\n') text[text_row][text_col++] = *ptr;
+        }
+        text[text_row][text_col] = '\0';
+        update_screen_locked();
+    }
+    pthread_mutex_unlock(&updateMutex);
+}
+
+void WearRecoveryUI::StartMenu(const char* const * headers, const char* const * items,
+                                 int initial_selection) {
+    pthread_mutex_lock(&updateMutex);
+    if (text_rows > 0 && text_cols > 0) {
+        menu_headers_ = headers;
+        size_t i = 0;
+        for (; i < text_rows && items[i] != nullptr; i++) {
+            strncpy(menu[i], items[i], text_cols - 1);
+            menu[i][text_cols - 1] = '\0';
+        }
+        menu_items = i;
+        show_menu = 1;
+        menu_sel = initial_selection;
+        menu_start = 0;
+        menu_end = visible_text_rows - 1 - menu_unusable_rows;
+        if (menu_items <= menu_end)
+          menu_end = menu_items;
+        update_screen_locked();
+    }
+    pthread_mutex_unlock(&updateMutex);
+}
+
+int WearRecoveryUI::SelectMenu(int sel) {
+    int old_sel;
+    pthread_mutex_lock(&updateMutex);
+    if (show_menu > 0) {
+        old_sel = menu_sel;
+        menu_sel = sel;
+        if (menu_sel < 0) menu_sel = 0;
+        if (menu_sel >= menu_items) menu_sel = menu_items-1;
+        if (menu_sel < menu_start) {
+          menu_start--;
+          menu_end--;
+        } else if (menu_sel >= menu_end && menu_sel < menu_items) {
+          menu_end++;
+          menu_start++;
+        }
+        sel = menu_sel;
+        if (menu_sel != old_sel) update_screen_locked();
+    }
+    pthread_mutex_unlock(&updateMutex);
+    return sel;
+}
+
+void WearRecoveryUI::EndMenu() {
+    int i;
+    pthread_mutex_lock(&updateMutex);
+    if (show_menu > 0 && text_rows > 0 && text_cols > 0) {
+        show_menu = 0;
+        update_screen_locked();
+    }
+    pthread_mutex_unlock(&updateMutex);
+}
+
+bool WearRecoveryUI::IsTextVisible()
+{
+    pthread_mutex_lock(&updateMutex);
+    int visible = show_text;
+    pthread_mutex_unlock(&updateMutex);
+    return visible;
+}
+
+bool WearRecoveryUI::WasTextEverVisible()
+{
+    pthread_mutex_lock(&updateMutex);
+    int ever_visible = show_text_ever;
+    pthread_mutex_unlock(&updateMutex);
+    return ever_visible;
+}
+
+void WearRecoveryUI::ShowText(bool visible)
+{
+    pthread_mutex_lock(&updateMutex);
+    // Don't show text during ota install or factory reset
+    if (currentIcon == INSTALLING_UPDATE || currentIcon == ERASING) {
+        pthread_mutex_unlock(&updateMutex);
+        return;
+    }
+    show_text = visible;
+    if (show_text) show_text_ever = 1;
+    update_screen_locked();
+    pthread_mutex_unlock(&updateMutex);
+}
+
+void WearRecoveryUI::Redraw()
+{
+    pthread_mutex_lock(&updateMutex);
+    update_screen_locked();
+    pthread_mutex_unlock(&updateMutex);
+}
+
+void WearRecoveryUI::ShowFile(FILE* fp) {
+    std::vector<long> offsets;
+    offsets.push_back(ftell(fp));
+    ClearText();
+
+    struct stat sb;
+    fstat(fileno(fp), &sb);
+
+    bool show_prompt = false;
+    while (true) {
+        if (show_prompt) {
+            Print("--(%d%% of %d bytes)--",
+                  static_cast<int>(100 * (double(ftell(fp)) / double(sb.st_size))),
+                  static_cast<int>(sb.st_size));
+            Redraw();
+            while (show_prompt) {
+                show_prompt = false;
+                int key = WaitKey();
+                if (key == KEY_POWER || key == KEY_ENTER) {
+                    return;
+                } else if (key == KEY_UP || key == KEY_VOLUMEUP) {
+                    if (offsets.size() <= 1) {
+                        show_prompt = true;
+                    } else {
+                        offsets.pop_back();
+                        fseek(fp, offsets.back(), SEEK_SET);
+                    }
+                } else {
+                    if (feof(fp)) {
+                        return;
+                    }
+                    offsets.push_back(ftell(fp));
+                }
+            }
+            ClearText();
+        }
+
+        int ch = getc(fp);
+        if (ch == EOF) {
+            text_row = text_top = text_rows - 2;
+            show_prompt = true;
+        } else {
+            PutChar(ch);
+            if (text_col == 0 && text_row >= text_rows - 2) {
+                text_top = text_row;
+                show_prompt = true;
+            }
+        }
+    }
+}
+
+void WearRecoveryUI::PutChar(char ch) {
+    pthread_mutex_lock(&updateMutex);
+    if (ch != '\n') text[text_row][text_col++] = ch;
+    if (ch == '\n' || text_col >= text_cols) {
+        text_col = 0;
+        ++text_row;
+    }
+    pthread_mutex_unlock(&updateMutex);
+}
+
+void WearRecoveryUI::ShowFile(const char* filename) {
+    FILE* fp = fopen_path(filename, "re");
+    if (fp == nullptr) {
+        Print("  Unable to open %s: %s\n", filename, strerror(errno));
+        return;
+    }
+    ShowFile(fp);
+    fclose(fp);
+}
+
+void WearRecoveryUI::ClearText() {
+    pthread_mutex_lock(&updateMutex);
+    text_col = 0;
+    text_row = 0;
+    text_top = 1;
+    for (size_t i = 0; i < text_rows; ++i) {
+        memset(text[i], 0, text_cols + 1);
+    }
+    pthread_mutex_unlock(&updateMutex);
+}
diff --git a/wear_ui.h b/wear_ui.h
new file mode 100644
index 0000000..839a264
--- /dev/null
+++ b/wear_ui.h
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef RECOVERY_WEAR_UI_H
+#define RECOVERY_WEAR_UI_H
+
+#include <pthread.h>
+#include <stdio.h>
+
+#include "ui.h"
+#include "minui/minui.h"
+
+class WearRecoveryUI : public RecoveryUI {
+  public:
+    WearRecoveryUI();
+
+    void Init();
+    void SetLocale(const char* locale);
+
+    // overall recovery state ("background image")
+    void SetBackground(Icon icon);
+
+    // progress indicator
+    void SetProgressType(ProgressType type);
+    void ShowProgress(float portion, float seconds);
+    void SetProgress(float fraction);
+
+    void SetStage(int current, int max);
+
+    // text log
+    void ShowText(bool visible);
+    bool IsTextVisible();
+    bool WasTextEverVisible();
+
+    // printing messages
+    void Print(const char* fmt, ...);
+    void ShowFile(const char* filename);
+    void ShowFile(FILE* fp);
+
+    // menu display
+    void StartMenu(const char* const * headers, const char* const * items,
+                           int initial_selection);
+    int SelectMenu(int sel);
+    void EndMenu();
+
+    void Redraw();
+
+    enum UIElement { HEADER, MENU, MENU_SEL_BG, MENU_SEL_FG, LOG, TEXT_FILL };
+    virtual void SetColor(UIElement e);
+
+  protected:
+    int progress_bar_height, progress_bar_width;
+
+    // progress bar vertical position, it's centered horizontally
+    int progress_bar_y;
+
+    // outer of window
+    int outer_height, outer_width;
+
+    // Unusable rows when displaying the recovery menu, including the lines
+    // for headers (Android Recovery, build id and etc) and the bottom lines
+    // that may otherwise go out of the screen.
+    int menu_unusable_rows;
+
+    // number of intro frames (default: 22) and loop frames (default: 60)
+    int intro_frames;
+    int loop_frames;
+
+  private:
+    Icon currentIcon;
+
+    bool intro_done;
+
+    int current_frame;
+
+    int animation_fps;
+
+    bool rtl_locale;
+
+    pthread_mutex_t updateMutex;
+    GRSurface* backgroundIcon[5];
+    GRSurface* *introFrames;
+    GRSurface* *loopFrames;
+
+    ProgressType progressBarType;
+
+    float progressScopeStart, progressScopeSize, progress;
+    double progressScopeTime, progressScopeDuration;
+
+    static const int kMaxCols = 96;
+    static const int kMaxRows = 96;
+
+    // Log text overlay, displayed when a magic key is pressed
+    char text[kMaxRows][kMaxCols];
+    size_t text_cols, text_rows;
+    // Number of text rows seen on screen
+    int visible_text_rows;
+    size_t text_col, text_row, text_top;
+    bool show_text;
+    bool show_text_ever;   // has show_text ever been true?
+
+    char menu[kMaxRows][kMaxCols];
+    bool show_menu;
+    const char* const* menu_headers_;
+    int menu_items, menu_sel;
+    int menu_start, menu_end;
+
+    pthread_t progress_t;
+
+  private:
+    void draw_background_locked(Icon icon);
+    void draw_progress_locked();
+    void draw_screen_locked();
+    void update_screen_locked();
+    static void* progress_thread(void* cookie);
+    void progress_loop();
+    void LoadBitmap(const char* filename, GRSurface** surface);
+    void PutChar(char);
+    void ClearText();
+    void DrawTextLine(int x, int* y, const char* line, bool bold);
+    void DrawTextLines(int x, int* y, const char* const* lines);
+};
+
+#endif  // RECOVERY_WEAR_UI_H