Add 'widgets' module to intercat with Android widgets

samples/android-widget-sample2.lua

@@ -0,0 +1,56 @@
+-- name = "Android widgets sample (The Weather Channel)"
+-- uses_app = "com.weather.Weather"
+
+local prefs = require "prefs"
+
+local curr_temp = ""
+local w_bridge = nil
+
+function on_resume()
+    if not widgets:bound(prefs.wid) then
+        setup_app_widget()
+    end
+
+    widgets:request_updates(prefs.wid)
+end
+
+function on_app_widget_updated(bridge)
+    local tab = bridge:dump_table()
+
+    current_temp = tab.relative_layout_1.relative_layout_2.text_1
+    location = tab.relative_layout_1.relative_layout_2.text_2
+    w_bridge = bridge
+
+    if location ~= nil and current_temp ~= nil then
+        ui:show_text(location..": "..current_temp)
+    else
+        ui:show_text("Empty")
+    end
+end
+
+function on_app_widget_updated_alt(bridge)
+    local strings = bridge:dump_strings().values
+
+    location = strings[2]
+    current_temp = strings[1]
+    w_bridge = bridge
+
+    if location ~= nil and current_temp ~= nil then
+        ui:show_text(location..": "..current_temp)
+    else
+        ui:show_text("Empty")
+    end
+end
+
+function on_click(idx)
+    w_bridge:click(current_temp)
+end
+
+function setup_app_widget()
+    local id = widgets:setup("com.weather.Weather/com.weather.Weather.widgets.WeatherWidgetProvider2x2")
+    if (id ~= nil) then
+        prefs.wid = id
+    else
+        ui:show_text("Can't add widget")
+    end
+end