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Logs all lifecycle methods of annotated Activities, Fragments, Services, Views, etc.

License: Apache License 2.0

Groovy 34.99% Java 65.01%

loglifecycle's Introduction

⟳ loglifecycle

Logs all lifecycle methods of annotated activities, fragments, views, etc. on Android.

###Usage

Inside your build.gradle file, add :

apply plugin: 'loglifecycle'

And now, annotate every Activity you want to see its life cycle logged in logcat :

@LogLifeCycle
public class MainActivity extends Activity {
...
}

You will see something like this in logcat :

> adb logcat | grep ⟳

D/LogLifeCycle( 4640): MainActivity [1384162984] ⟳ onCreate
D/LogLifeCycle( 4640): MainActivity [1384162984] ⟳ onApplyThemeResource
D/LogLifeCycle( 4640): MainActivity [1384162984] ⟳ onWindowAttributesChanged
D/LogLifeCycle( 4640): MainActivity [1384162984] ⟳ onWindowAttributesChanged
D/LogLifeCycle( 4640): MainActivity [1384162984] ⟳ onWindowAttributesChanged
D/LogLifeCycle( 4640): MainActivity [1384162984] ⟳ onContentChanged
D/LogLifeCycle( 4640): MainActivity [1384162984] ⟳ onAttachFragment
D/LogLifeCycle( 4640): MainActivity$MainFragment [1384183528] ⟳ onCreate
D/LogLifeCycle( 4640): MainActivity [1384162984] ⟳ onStart
D/LogLifeCycle( 4640): MainActivity$MainFragment [1384183528] ⟳ onStart
D/LogLifeCycle( 4640): MainActivity [1384162984] ⟳ onTitleChanged
D/LogLifeCycle( 4640): MainActivity [1384162984] ⟳ onPostCreate
D/LogLifeCycle( 4640): MainActivity [1384162984] ⟳ onResume
D/LogLifeCycle( 4640): MainActivity$MainFragment [1384183528] ⟳ onResume
D/LogLifeCycle( 4640): MainActivity [1384162984] ⟳ onPostResume
D/LogLifeCycle( 4640): MainActivity [1384162984] ⟳ onAttachedToWindow
D/LogLifeCycle( 4640): MainActivity [1384162984] ⟳ onWindowFocusChanged

Extra features :

release builds won't log anything, indeed the app is not modified at all in release builds.
this plugin will add only a few more bytes to your app : log statements, and the annotation class, nothing more.

###Example

You will find an example app using LogLifeCycle in the repo.

###How does it work ?

Thanks to

morpheus, byte code weaver for android.
AfterBurner, byte code weaving swiss army knife for Android.

Related projects

On the same principle of byte code weaving :

###TODO

add tests

CI

License

Copyright (C) 2014 Stéphane NICOLAS

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.

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loglifecycle's Issues

Issue on installing it !

Thank for the lib, this seems to be a required one !
However I didn't succeed to runt it.

1/ I get error :
Execution failed for task ':app:transformLogLifeCycleProcessorDebug'.

Could not execute transformation

2/ In the readme, may I suggest to add :

add this dependency to your plugin.gradle (the project one) file :
buildscript {
dependencies {
classpath 'com.android.tools.build:gradle:1.2.3'
classpath 'com.github.stephanenicolas.loglifecycle:loglifecycle-plugin:1.0.3'
}

asm errors?

is the lombok version including the wrong asm version ?

I am getting these errors on link task execution:

org.objectweb.asm.tree.ClassNode has interface org.objectweb.asm.ClassVisitor as a super class

Make Travis work

Depends on #2

Plugin is not working out of the box

After adding the plugin in my build.gradle:

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath 'com.github.stephanenicolas.loglifecycle:loglifecycle-plugin:1.0.1'
    }
}

apply plugin: 'loglifecycle'

Building the project I get this exception:

A problem occurred configuring project ':app'.
> Could not resolve all dependencies for configuration ':app:classpath'.
   > Could not find com.android.support:support-v4:19.1.0.
     Required by:
         android:app:unspecified > com.github.stephanenicolas.loglifecycle:loglifecycle-plugin:1.0.1
   > Could not find com.google.android:android:4.4.2_r2.
     Required by:
         android:app:unspecified > com.github.stephanenicolas.loglifecycle:loglifecycle-plugin:1.0.1

Looks like it cannot find the support library and the android sdk dependency.
I suppose it can't find the support library because its own repository isn't taken into account for plugins.

'loglifecycle' not found.

apply plugin:'loglifecycle'

Error:(103, 1) A problem occurred evaluating project ':app'.

Plugin with id 'loglifecycle' not found.

Will it support fragment lifecycle?

Thanks for your library which is very useful, will it support fragment lifecycle log in the future?

Annotation processor error "Could not execute transformation"

I'm seeing:

What went wrong:
Execution failed for task ':appname:transformLogLifeCycleProcessorAbcDebug'.
> Could not execute transformation

This is with the following top-level build.gradle:

// ..
    dependencies {
        classpath 'com.android.tools.build:gradle:1.2.2'
        classpath 'com.github.stephanenicolas.loglifecycle:loglifecycle-plugin:1.0.3'
    }

And apply plugin: 'loglifecycle' added to the app module's build.gradle. Can provide more environment info if needed.