pokk

Introduction

Activity

Activity life cycle normally

onCreate ->
onStart ->

pokk

[TOC]

Introduction

There are very good five stdlib operates we can use.

1. let
2. run
3. apply
4. also

pokk

[TOC]

Introduction

Introduce that we should use the way of occasions of lateinit and lazy simplely.

lateinit

1. Import external variable or method, that object is built from external constructor. The lifecycle of self doesn't relate with external object.

pokk

[TOC]

Introduction

How to use Context correctly in android.

How many contexts in an application

As following we understood, subclasses of Context are Activity, Service, Application, ...etc.

pokk

Introduction

The way of using android notification.

pokk

Intrduction

There are five ways for keeping data in Android.

1. Shared Preferences
2. Remote Space(Clouding Space)
3. Internal Storages(Phone)
4. Exteneral Storages(SD Card)
5. Database(SQLite)

pokk

Introduction

Change the tag of select option text.

Html

<select id="select_page">
 schedule

pokk

Introduction

Make a preprocessor for convenient to switch code.

Step

1. Click the project
2. Click "TARGETS"

3. Click "Build Settings"

pokk

Introduction

Make a preprocessor for convenient to switch code.

Step

1. Click the project
2. Click "TARGETS"

3. Click "Build Settings"

pokk

Inflater

This method LayoutInflater.inflate is used all the time and useful if you are developing the related of views or animations. I think a junior Android programmer isn't often using it but I believe definitely that a senior engineer use this method every day.

Let's go to main topic. When we create a activity or a fragment or a view, we may add some sub-view into. But sometime succeed, sometimes failed.

problem