Advanced Android logging services

Redefined classes

redef class App

android :: log $ App

App subclasses are cross-platform applications
redef class Sys

android :: log $ Sys

The main class of the program.

All class definitions

redef class App

android :: log $ App

App subclasses are cross-platform applications
redef class Sys

android :: log $ Sys

The main class of the program.
package_diagram android::log log android::platform platform android::log->android::platform java java android::platform->java app app android::platform->app android::aware aware android::platform->android::aware ...java ... ...java->java ...app ... ...app->app ...android::aware ... ...android::aware->android::aware android::android android android::android->android::log android::native_app_glue native_app_glue android::native_app_glue->android::log android::nit_activity nit_activity android::nit_activity->android::log android::landscape landscape android::landscape->android::android android::portrait portrait android::portrait->android::android gamnit::gamnit_android gamnit_android gamnit::gamnit_android->android::android android::landscape... ... android::landscape...->android::landscape android::portrait... ... android::portrait...->android::portrait gamnit::gamnit_android... ... gamnit::gamnit_android...->gamnit::gamnit_android android::cardboard cardboard android::cardboard->android::native_app_glue android::game game android::game->android::native_app_glue android::cardboard... ... android::cardboard...->android::cardboard android::game... ... android::game...->android::game android::native_ui native_ui android::native_ui->android::nit_activity android::wifi wifi android::wifi->android::nit_activity android::service service android::service->android::nit_activity android::native_ui... ... android::native_ui...->android::native_ui android::wifi... ... android::wifi...->android::wifi android::service... ... android::service...->android::service

Ancestors

module abstract_collection

core :: abstract_collection

Abstract collection classes and services.
module abstract_text

core :: abstract_text

Abstract class for manipulation of sequences of characters
module app

app :: app

app.nit is a framework to create cross-platform applications
module app_base

app :: app_base

Base of the app.nit framework, defines App
module array

core :: array

This module introduces the standard array structure.
module assets

app :: assets

Portable services to load resources from the assets folder
module aware

android :: aware

Android compatibility module
module bitset

core :: bitset

Services to handle BitSet
module bytes

core :: bytes

Services for byte streams and arrays
module circular_array

core :: circular_array

Efficient data structure to access both end of the sequence.
module codec_base

core :: codec_base

Base for codecs to use with streams
module codecs

core :: codecs

Group module for all codec-related manipulations
module collection

core :: collection

This module define several collection classes.
module collections

java :: collections

Basic Java collections
module core

core :: core

Standard classes and methods used by default by Nit programs and libraries.
module environ

core :: environ

Access to the environment variables of the process
module error

core :: error

Standard error-management infrastructure.
module exec

core :: exec

Invocation and management of operating system sub-processes.
module ffi_support

java :: ffi_support

Core supporting services for the FFI with Java
module file

core :: file

File manipulations (create, read, write, etc.)
module fixed_ints

core :: fixed_ints

Basic integers of fixed-precision
module fixed_ints_text

core :: fixed_ints_text

Text services to complement fixed_ints
module flat

core :: flat

All the array-based text representations
module gc

core :: gc

Access to the Nit internal garbage collection mechanism
module hash_collection

core :: hash_collection

Introduce HashMap and HashSet.
module iso8859_1

core :: iso8859_1

Codec for ISO8859-1 I/O
module java

java :: java

Supporting services for the FFI with Java and to access Java libraries
module jvm

jvm :: jvm

Java Virtual Machine invocation API and others services from the JNI C API
module kernel

core :: kernel

Most basic classes and methods.
module list

core :: list

This module handle double linked lists
module math

core :: math

Mathematical operations
module native

core :: native

Native structures for text and bytes
module numeric

core :: numeric

Advanced services for Numeric types
module protocol

core :: protocol

module queue

core :: queue

Queuing data structures and wrappers
module range

core :: range

Module for range of discrete objects.
module re

core :: re

Regular expression support for all services based on Pattern
module ropes

core :: ropes

Tree-based representation of a String.
module sorter

core :: sorter

This module contains classes used to compare things and sorts arrays.
module stream

core :: stream

Input and output streams of characters
module text

core :: text

All the classes and methods related to the manipulation of text entities
module time

core :: time

Management of time and dates
module union_find

core :: union_find

union–find algorithm using an efficient disjoint-set data structure
module utf8

core :: utf8

Codec for UTF-8 I/O

Parents

module platform

android :: platform

Triggers compilation for the android platform

Children

module android

android :: android

Android services and implementation of app.nit
module native_app_glue

android :: native_app_glue

Wrapper of the Android native_app_glue framework to implement app.nit
module nit_activity

android :: nit_activity

Core implementation of app.nit on Android using a custom Java entry point

Descendants

module a_star-m

a_star-m

module android19

gamnit :: android19

Variation using features from Android API 19
module at_boot

android :: at_boot

Import this module to launch Service at device boot
module camera_control_android

gamnit :: camera_control_android

Two fingers camera manipulation, pinch to zoom and slide to scroll
module cardboard

android :: cardboard

Services from the Google Cardboard SDK for virtual reality on Android
module cardboard

gamnit :: cardboard

Update the orientation of world_camera at each frame using the head position given by android::cardboard
module display_android

gamnit :: display_android

Gamnit display implementation for Android
module game

android :: game

Android services and implementation of app.nit for gamnit and mnit
module gamepad

android :: gamepad

Support for gamepad events (over Bluetooth or USB)
module gamnit_android

gamnit :: gamnit_android

Support services for Gamnit on Android
module http_request

android :: http_request

Android implementation of app:http_request
module input_events

android :: input_events

Pointer and hardware key events
module landscape

android :: landscape

Lock the application in the landscape orientation
module native_ui

android :: native_ui

Native services from the android.view and android.widget namespaces
module portrait

android :: portrait

Config to set the portrait orientation
module sensors

android :: sensors

Access Android sensors
module service

android :: service

Android service support for app.nit centered around the class Service
module ui

android :: ui

Views and services to use the Android native user interface
module ui_test

android :: ui_test

Test for app.nit's UI services
module vr

gamnit :: vr

VR support for gamnit depth, for Android only
module wifi

android :: wifi

Simple wrapper of the Android WiFi services
# Advanced Android logging services
module log is ldflags "-llog"

import platform

in "C" `{
	#include <android/log.h>
`}

# Use Android logs to print
redef fun print(object)
do
	log_write(priority_info, app.log_prefix.to_cstring, object.to_s.to_cstring)
end

# Use Android logs to print errors
redef fun print_error(object)
do
	log_write(priority_error, app.log_prefix.to_cstring, object.to_s.to_cstring)
end

# Use Android logs to print warnings
redef fun print_warning(object)
do
	log_write(priority_warn, app.log_prefix.to_cstring, object.to_s.to_cstring)
end

redef class App
	# Prefix to all log messages
	protected fun log_prefix: String do return "app.nit"
end

# Default Android log priority
private fun priority_default: Int do return 1

# Verbose Android log priority
private fun priority_verbose: Int do return 2

# Debug Android log priority
private fun priority_debug: Int do return 3

# Info Android log priority
private fun priority_info: Int do return 4

# Warn Android log priority
private fun priority_warn: Int do return 5

# Error Android log priority
private fun priority_error: Int do return 6

# Fatal Android log priority
private fun priority_fatal: Int do return 7

# Silent Android log priority
private fun priority_silent: Int do return 8

# Write `text` to Android log at priority `level` with tag `tag`
private fun log_write(level: Int, tag, text: CString) `{
	__android_log_write(level, tag, text);
`}
lib/android/log.nit:17,1--76,2