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Needs

(★ 607)

:closed_umbrella: An easy way to implement modern permission instructions popup.

파일 탐색기

최종 버전 다운로드 (.zip)

- - Bug_report.md
  - Feature_request.md
- - android.yml
- CODEOWNERS
- FUNDING.yml
- pull_request_template.md
- .gitignore
- build.gradle
- - gradle-wrapper.jar
  - gradle-wrapper.properties
- .gitignore
- build.gradle
.gitignore
build.gradle
dependencies.gradle
gradle.properties
gradlew
gradlew.bat
LICENSE
publish.gradle
README.md
settings.gradle
spotless.gradle
spotless.license.kt

🚀 설치 가이드

1. 코드 내려받기

git clone https://github.com/skydoves/Needs

깃허브에서 프로젝트 코드 전체를 내 컴퓨터로 내려받습니다.

cd Needs

방금 내려받은 프로젝트 폴더 안으로 이동합니다.

2. Gradle (Java/Kotlin)

보통 추천

사전 준비물

Git GitHub에서 프로젝트 코드를 내려받으려면 필요합니다.
JDK (Java) Java/Kotlin 프로젝트를 빌드/실행하려면 필요합니다.
Gradle 레포에 포함된 gradlew(Gradle Wrapper)를 쓰면 Gradle을 따로 설치할 필요가 없습니다.

cd app

이 프로젝트의 관련 파일이 하위 폴더 안에 있어서, 먼저 그 폴더로 이동합니다.

./gradlew build

Gradle로 빌드를 진행합니다.

✅ BUILD SUCCESSFUL 메시지가 뜨면 성공입니다. build/ 폴더에 결과물이 생성됩니다.

// repository documentation

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# Needs
[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
[![API](https://img.shields.io/badge/API-16%2B-brightgreen.svg?style=flat)](https://android-arsenal.com/api?level=16) 
[![Build Status](https://github.com/skydoves/Needs/workflows/Android%20CI/badge.svg)](https://github.com/skydoves/Needs/actions)
[![Android Arsenal](https://img.shields.io/badge/Android%20Arsenal-Needs-brightgreen.svg?style=flat)](https://android-arsenal.com/details/1/7569)
[![Android Weekly](https://img.shields.io/badge/Android%20Weekly-%23358-orange.svg)](https://androidweekly.net/issues/issue-358)
[![Javadoc](https://img.shields.io/badge/Javadoc-Needs-yellow.svg)](https://skydoves.github.io/libraries/needs/javadoc/needs/com.skydoves.needs/index.html)<br>
An easy way to implement modern permission instructions popup. <br>
Needs can be fully customized and showing with animations. <br>

![img0](https://user-images.githubusercontent.com/24237865/54251761-9ab78580-458b-11e9-9db0-7bd6684ce0f2.png)
![img1](https://user-images.githubusercontent.com/24237865/54251764-9ab78580-458b-11e9-86eb-794861fb9f75.png)

## Download
[![Maven Central](https://img.shields.io/maven-central/v/com.github.skydoves/needs.svg?label=Maven%20Central)](https://search.maven.org/search?q=g:%22com.github.skydoves%22%20AND%20a:%22needs%22)
[![JitPack](https://jitpack.io/v/skydoves/Needs.svg)](https://jitpack.io/#skydoves/Needs)

### Gradle
Add below codes to your **root** `build.gradle` file (not your module build.gradle file).
```gradle
allprojects {
    repositories {
        mavenCentral()
    }
}
```
And add a dependency code to your **module**'s `build.gradle` file.
```gradle
dependencies {
    implementation "com.github.skydoves:needs:1.1.2"
}
```

## Usage

### Basic example
This is a basic example on a screenshot. Here is how to create `Needs` using `Needs.Builder`.
```java
Needs needs = new Needs.Builder(context)
      .setTitle("Permission instructions for using this Android app.")
      .addNeedsItem(new NeedsItem(null, "· SD Card", "(Required)", "Access photos, media, and files on device."))
      .addNeedsItem(new NeedsItem(null, "· Location", "(Required)", "Access this device's location."))
      .addNeedsItem(new NeedsItem(null, "· Camera", "(Optional)", "Take pictures and record video."))
      .addNeedsItem(new NeedsItem(null, "· Contact", "(Optional)", "Access this device's contacts."))
      .addNeedsItem(new NeedsItem(null, "· SMS", "(Optional)", "Send and view SMS messages."))
      .setDescription("The above accesses are used to better serve you.")
      .setConfirm("Confirm")
      .setBackgroundAlpha(0.6f)
      .setLifecycleOwner(lifecycleOwner)
      .build();
```
### Create using kotlin dsl
This is how to create `Needs`'s instance using kotlin dsl.
```kotlin
val needs = createNeeds(baseContext) {
      titleIcon = iconDrawable
      title = "Permission instructions \nfor using this Android app."
      titleTextForm = titleForm
      addNeedsItem(NeedsItem(drawable_sd, "SD Card", "(Required)", "Access photos, media, and files on device."))
      addNeedsItem(NeedsItem(drawable_location, "Location", "(Required)", "Access this device's location."))
      addNeedsItem(NeedsItem(drawable_camera, "Camera", "(Optional)", "Take pictures and record video."))
      addNeedsItem(NeedsItem(drawable_contact, "Contact", "(Optional)", "Access this device's contacts."))
      addNeedsItem(NeedsItem(drawable_sms, "SMS", "(Optional)", "Send and view SMS messages."))
      description = "The above accesses are used to better serve you."
      confirm = "Confirm"
      backgroundAlpha = 0.6f
      lifecycleOwner = lifecycle
      needsTheme = theme
      needsItemTheme = itemTheme
      needsAnimation = NeedsAnimation.CIRCULAR
    }
```

### OnConfirmListener
We can listen to the confirm button is clicked using `OnConfirmListener`.
```java
needs.setOnConfirmListener(new OnConfirmListener() {
  @Override
  public void onConfirm() {
      // confirmed
  }
});
```

### Show and dismiss
Here is how to show needs popup and dismiss easily.
```java
needs.show(layout); // shows the popup menu to the center. 
needs.dismiss(); // dismiss the popup menu.
```

### TextForm
TextFrom is an attribute class that has some attributes about TextView for customizing popup texts.

```java
TextForm textForm = new TextForm.Builder()
          .setTextColor(R.color.colorPrimary)
          .setTextSize(14)
          .setTextStyle(Typeface.BOLD)
          .build();

builder.setTitleTextForm(titleTextForm);
builder.setDescriptionTextForm(descriptionTextForm);
builder.setConfirmTextForm(confirmTextForm);
```

Here is how to create `TextForm` using kotlin dsl.
```kotlin
val titleForm = textForm {
  textSize = 18
  textStyle = Typeface.BOLD
  textColor = ContextCompat.getColor(baseContext, R.color.black)
}
```

### NeedsTheme
NeedsTheme is an attribute class for changing `Needs` popup theme easily.

```java
NeedsTheme needsTheme = new NeedsTheme.Builder(context)
           .setBackgroundColor(ContextCompat.getColor(context, R.color.background))
           .setTitleTextForm(titleTextForm)
           .setDescriptionTextForm(descriptionTextForm)
           .setConfirmTextForm(confirmTextForm)
           .build();

builder.setNeedsTheme(needsTheme);           
```

Here is how to create `NeedsTheme` using kotlin dsl.
```kotlin
val theme = needsTheme(baseContext) {
      backgroundColor = ContextCompat.getColor(baseContext, R.color.background)
      titleTextForm = textForm(baseContext) {
        textSize = 18
        textColor = ContextCompat.getColor(baseContext, R.color.white)
      }
      descriptionTextForm = textForm(baseContext) {
        textSize = 12
        textColor = ContextCompat.getColor(baseContext, R.color.description)
      }
    }
```

### NeedsItemTheme
`NeedsTheme` is an attribute class for changing `Needs` popup RecyclerView's item theme easily.

```java
NeedsItemTheme needsItemTheme = new NeedsItemTheme.Builder(context)
               .setBackgroundColor(ContextCompat.getColor(context, R.color.background))
               .setTitleTextForm(titleTextForm)
               .setRequireTextForm(requireTextForm)
               .setBulletForm(bulletForm)
               .build();

builder.setNeedsItemTheme(needsItemTheme);
```

Here is how to create `NeedsItemTheme` using kotlin dsl.
```kotlin
val itemTheme = needsItemTheme(baseContext) {
      backgroundColor = ContextCompat.getColor(baseContext, R.color.background)
      titleTextForm = textForm(baseContext) {
        textColor = ContextCompat.getColor(baseContext, R.color.colorPrimaryDark)
        textSize = 16
      }
      descriptionTextForm = textForm(baseContext) {
        textColor = ContextCompat.getColor(baseContext, R.color.description)
      }
    }
```

<img src="https://user-images.githubusercontent.com/24237865/83263157-1cc7b480-a1f9-11ea-8208-f3843b51bb62.png" align="right" width="32%"/>

### BulletForm
We can make bullet points in front of every title and they can be fully customized.
```java
BulletForm bulletForm = new BulletForm.Builder(context)
                    .setBulletColorResource(R.color.colorPrimary)
                    .setBulletSize(12)
                    .setBulletPadding(9)
                    .build();
```
Here is how to create `BulletForm` using kotlin dsl.
```kotlin
val bulletForm = bulletForm(context) {
      setBulletColorResource(R.color.colorPrimary)
      setBulletSize(12)
}
```

### NeedsAnimation
NeedsAnimation implements showing and dismissing popup with animations.

ELASTIC | CIRCULAR
------------ | -------------
![elastic](https://user-images.githubusercontent.com/24237865/54488606-ffa21100-48e6-11e9-9264-59ae113cad32.gif)| ![circluar](https://user-images.githubusercontent.com/24237865/54488605-ffa21100-48e6-11e9-8c0d-aba373077905.gif)

NONE | FADE
------------ | -------------
![none](https://user-images.githubusercontent.com/24237865/54488604-ffa21100-48e6-11e9-9920-c172eafe7a8a.gif) | ![fade](https://user-images.githubusercontent.com/24237865/54488607-003aa780-48e7-11e9-8902-cbad62402822.gif)

```java
builder.setNeedsAnimation(NeedsAnimation.FADE)
builder.setNeedsAnimation(NeedsAnimation.NONE)
builder.setNeedsAnimation(NeedsAnimation.ELASTIC)
builder.setNeedsAnimation(NeedsAnimation.CIRCULAR)
```

### Kotlin Extensions
We can show and initialize Needs property more polish using extensions.

#### showNeeds
Shows the popup menu to the center. <br>
It observes the target view's inflating and after inflate finished, it show up on the target view.
```
targetView.showNeeds(needs)
```

### Lazy initialization
We can initialize the needs property lazily using `needs` keyword and Needs.Factory abstract class.<br>
The `needs` extension keyword can be used on Activity and Fragment.
```
class MainActivity : AppCompatActivity() {
  private val myNeeds by needs<DarkNeedsFactory>()
  
  // ..
}
```

We should create a class which extends Needs.Factory.<br>
An implementation class of the factory must have a default(non-argument) constructor.
```kotlin
class DarkNeedsFactory : Needs.Factory() {

override fun create(context: Context, lifecycle: LifecycleOwner): Needs {
    return Needs.Builder(context)
      .setTitle("Permission instructions \nfor using this Android app.")
      .setDescription("The above accesses are used to better serve you. This application is available even if you do not agree to allow it.")
      .setConfirm("Confirm")
      .setBackgroundAlpha(0.6f)
      .setLifecycleOwner(lifecycle)
      .setNeedsAnimation(NeedsAnimation.FADE)
      .addNeedsItem(NeedsItem(null, "· SD Card", "(Required)", "   Access photos, media, and files on device."))
      .addNeedsItem(NeedsItem(null, "· Location", "(Required)", "   Access this device's location."))
      .addNeedsItem(NeedsItem(null, "· Camera", "(Optional)", "   Take pictures and record video."))
      .addNeedsItem(NeedsItem(null, "· Contact", "(Optional)", "   Access this device's contacts."))
      .addNeedsItem(NeedsItem(null, "· SMS", "(Optional)", "   Send and view SMS messages."))
      .build()
  }
}
```

### Preference
If you want to show-up the Popup only once or a specific number of times, here is how to implement it simply.
```java
.setPreferenceName("MyNeeds") // sets preference name of the Needs.
.setShowTime(3) // show-up three of times the popup. the default value is 1 If the preference name is set.
```

### Avoid Memory leak
Dialog, PopupWindow and etc.. have memory leak issue if not dismissed before activity or fragment are destroyed.<br>
But Lifecycles are now integrated with the Support Library since Architecture Components 1.0 Stable released.<br>
So we can solve the memory leak issue so easily.<br>

Just use `setLifecycleOwner` method. Then `dismiss` method will be called automatically before activity or fragment would be destroyed.
```java
.setLifecycleOwner(lifecycleOwner)
```

## Needs builder methods
```java
.setTitleIcon(@DrawableRes drawable: Drawable)
.setTitle(value: String)
.setTitleTextForm(value: TextForm)
.setDescription(value: String)
.setDescriptionTextForm(value: TextForm)
.setConfirmBackgroundColor(@ColorInt value: Int)
.setConfirm(value: String)
.setConfirmTextForm(value: TextForm)
.setConfirmVisible(value: Boolean)
.setListAdapter(value: RecyclerView.Adapter<*>)
.setListHeight(value: Int)
.setPadding(value: Int)
.addNeedsItem(value: NeedsItem)
.addNeedsItemList(value: List<NeedsItem>)
.setBackground(@DrawableRes value: Drawable)
.setBackgroundColor(@ColorInt value: Int)
.setBackgroundAlpha(value: Float)
.setDividerColor(@ColorInt value: Int)
.setDividerVisible(value: Boolean)
.setDividerHeight(value: Float)
.setOnConfirmListener(value: OnConfirmListener)
.setLifecycleOwner(value: LifecycleOwner)
.setNeedsTheme(value: NeedsTheme)
.setNeedsItemTheme(value: NeedsItemTheme)
.setNeedsAnimation(value: NeedsAnimation)
```

## Find this library useful? :heart:
Support it by joining __[stargazers](https://github.com/skydoves/Needs/stargazers)__ for this repository. :star:

# License
```xml
Copyright 2019 skydoves

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.
```