Add some android commands (#517)

* add commands

* fix rubocop

* add documentations

* update some comments

android_tests/lib/android/specs/common/command.rb

@@ -20,6 +20,9 @@ def before_first
  Selenium::WebDriver::Remote::Bridge.method_defined?(:get_network_connection).must_equal true
  Selenium::WebDriver::Remote::Bridge.method_defined?(:get_performance_data_types).must_equal true
  Selenium::WebDriver::Remote::Bridge.method_defined?(:get_performance_data).must_equal true
+ Selenium::WebDriver::Remote::Bridge.method_defined?(:get_system_bars).must_equal true
+ Selenium::WebDriver::Remote::Bridge.method_defined?(:get_display_density).must_equal true
+ Selenium::WebDriver::Remote::Bridge.method_defined?(:is_keyboard_shown).must_equal true
  end
 
  t 'check all command with arg' do

android_tests/lib/android/specs/common/device.rb

@@ -23,6 +23,18 @@
  Date.parse(device_time)
  end
 
+ t 'get_system_bars' do
+ get_system_bars
+ end
+
+ t 'get_display_density' do
+ (get_display_density > 0).must_equal true
+ end
+
+ t 'system_bars' do
+ is_keyboard_shown.must_equal false
+ end
+
  t 'background_app' do
  wait { background_app 5 }
  end

lib/appium_lib/common/command.rb

@@ -13,6 +13,9 @@ module Commands
  open_notifications: [:post, 'session/:session_id/appium/device/open_notifications'.freeze],
  toggle_airplane_mode: [:post, 'session/:session_id/appium/device/toggle_airplane_mode'.freeze],
  current_activity: [:get, 'session/:session_id/appium/device/current_activity'.freeze],
+ get_system_bars: [:get, 'session/:session_id/appium/device/system_bars'.freeze],
+ get_display_density: [:get, 'session/:session_id/appium/device/display_density'.freeze],
+ is_keyboard_shown: [:get, 'session/:session_id/appium/device/is_keyboard_shown'.freeze],
  get_network_connection: [:get, 'session/:session_id/network_connection'.freeze],
  get_performance_data_types: [:post, 'session/:session_id/appium/performanceData/types'.freeze],
 

lib/appium_lib/device/device.rb

@@ -23,6 +23,30 @@ module Device
 
  # @!method current_activity
 
+ # @!method get_system_bars
+ # Get system bar's information
+ # @return [String] System bar
+ #
+ # ```ruby
+ # get_system_bars
+ # ```
+
+ # @!method get_display_density
+ # Get connected device's density.
+ # @return [Integer] The size of density
+ #
+ # ```ruby
+ # get_display_density # 320
+ # ```
+
+ # @!method is_keyboard_shown
+ # Get whether keyboard is displayed or not.
+ # @return [Bool] Return true if keyboard is shown. Return false if keyboard is hidden.
+ #
+ # ```ruby
+ # is_keyboard_shown # false
+ # ```
+
  # @!method launch_app
  # Start the simulator and application configured with desired capabilities
 
@@ -538,7 +562,7 @@ def ime_deactivate
  # @return [String] The context currently being used.
 
  # @!method available_contexts
- # @return [Array<String>] All usable contexts, as an array of strings.
+ #  @return [Array<String>] All usable contexts, as an array of strings.
 
  # Perform a block within the given context, then switch back to the starting context.
  # @param context (String) The context to switch to for the duration of the block.