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BackgroudLibrary

A framework for directly generating shape through Tags, no need to write shape.xml again（通过标签直接生成shape，无需再写shape.xml）

Add this to your app's build.gradle：

implementation "com.android.support:appcompat-v7:$supportVersion"
implementation 'com.noober.background:core:1.5.7'

if use androidx：

implementation "androidx.appcompat:appcompat:$supportVersion" 
implementation 'com.noober.background:core:1.5.7'

Example effect

show more in wiki

Automatic code prompt by Live Templates

How to use

1、before version 1.5.0, Calling code before the 'super.onCreate' in BaseActivity, after 1.5.0 no need more

BackgroundLibrary.inject(context);

2、Add the attributes directly in the layout

Blog introduction

Custom attributes supported

The following are all custom attributes that are exactly the same as shape and selector.

shape

All attributes of shape are supported. The naming rule is 'tag name'_'tag attribute name':

name category
bl_shape rectangle、oval、line、ring(not support yet)
bl_solid_color color
bl_corners_radius dimension
bl_corners_bottomLeftRadius dimension
bl_corners_bottomRightRadius dimension
bl_corners_topLeftRadius dimension
bl_corners_topRightRadius dimension
bl_gradient_angle integer
bl_gradient_centerX float
bl_gradient_centerY float
bl_gradient_centerColor color
bl_gradient_endColor color
bl_gradient_startColor color
bl_gradient_gradientRadius dimension
bl_gradient_type linear、radial、sweep
bl_gradient_useLevel boolean
bl_size_width dimension
bl_size_height dimension
bl_stroke_width dimension
bl_stroke_color color
bl_stroke_dashWidth dimension
bl_stroke_dashGap dimension
bl_position left、right、top、bottom

selector

All attributes of selector are supported：

name category
bl_checkable_drawable color、reference
bl_checked_drawable color、reference
bl_enabled_drawable color、reference
bl_selected_drawable color、reference
bl_pressed_drawable color、reference
bl_focused_drawable color、reference
bl_focused_hovered color、reference
bl_focused_activated color、reference
bl_unCheckable_drawable color、reference
bl_unChecked_drawable color、reference
bl_unEnabled_drawable color、reference
bl_unSelected_drawable color、reference
bl_unPressed_drawable color、reference
bl_unFocused_drawable color、reference
bl_unFocused_hovered color、reference
bl_unFocused_activated color、reference
setting about textColor
bl_checkable_textColor color
bl_checked_textColor color
bl_enabled_textColor color
bl_selected_textColor color
bl_pressed_textColor color
bl_focused_textColor color
bl_activated_textColor color
bl_active_textColor color
bl_expanded_textColor color
bl_unCheckable_textColor color
bl_unChecked_textColor color
bl_unEnabled_textColor color
bl_unSelected_textColor color
bl_unPressed_textColor color
bl_unFocused_textColor color
bl_unActivated_textColor color
bl_unActive_textColor color
bl_unExpanded_textColor color
setting about buttonDrawable
bl_checked_button_drawable color、reference
bl_unChecked_button_drawable color、reference

|bl_multi_text_selector1| String| | |bl_multi_text_selector2| String| 同上| |bl_multi_text_selector3| String| 同上| |bl_multi_text_selector4| String| 同上| |bl_multi_text_selector5| String| 同上| |bl_multi_text_selector6| String| 同上|

bl_multi_text_selector的使用方法： 支持selector的一条属性设置同时设置多个状态的写法,内容规则为以", "为分隔符，最后一项为颜色资源id的名字，可选状态为state_checkable，state_checked，state_enabled，state_selected，state_pressed，state_focused，state_hovered ，state_activated，默认为true，如果为false则在前面加上"-"即可，例如-state_checkable

效果例子如下：

    <com.noober.background.view.BLTextView
        android:padding="0dp"
        android:layout_width="300dp"
        android:layout_height="36dp"
        android:layout_marginTop="15dp"
        android:textColor="@android:color/black"
        android:clickable="true"
        android:focusable="true"
        android:gravity="center"
        android:text="textView一条属性多个状态"
        android:textSize="18dp"
        android:textStyle="bold"
        app:bl_multi_text_selector1="state_pressed,state_enabled,#EE0000"
        app:bl_multi_text_selector2="-state_pressed,-state_enabled,#DDA0DD"
        app:bl_multi_text_selector3="-state_pressed,state_enabled,#DDA0DD"/>

attributes about anim：

名称 类型
bl_oneshot only show once
bl_anim_auto_start auto start
bl_duration The length of each animation frame
bl_duration_item0 The animation duration of frame 0
bl_duration_item1 The animation duration of frame 1
bl_duration_item2 The animation duration of frame 2
bl_duration_item3 The animation duration of frame 3
. .
. .
. .
bl_duration_item12 The animation duration of frame 12
bl_duration_item13 The animation duration of frame 13
bl_duration_item14 The animation duration of frame 14
bl_frame_drawable_item0 Frame 0 animation
bl_frame_drawable_item1 Frame 1 animation
bl_frame_drawable_item2 Frame 2 animation
bl_frame_drawable_item3 Frame 3 animation
. .
. .
. .
bl_frame_drawable_item12 Frame 12 animation
bl_frame_drawable_item13 Frame 13 animation
bl_frame_drawable_item14 Frame 14 animation

other（need sdk 27 and above）

name category remark
bl_ripple_enable boolean ensure that the ripple effect is enabled
bl_ripple_color color the color of ripple
bl_checkable_stroke_color color different color when different state for stroke,need api > 21,default stroke_color
bl_checked_stroke_color color
bl_enabled_stroke_color color
bl_selected_stroke_color color
bl_pressed_stroke_color color
bl_focused_stroke_color color
bl_unCheckable_stroke_color color
bl_unChecked_stroke_color color
bl_unEnabled_stroke_color color
bl_unSelected_stroke_color color
bl_unPressed_stroke_color color
bl_unFocused_stroke_color color
bl_checkable_solid_color color different color when different state for solid，need api > 21,default solid_color
bl_checked_solid_color color
bl_enabled_solid_color color
bl_selected_solid_color color
bl_pressed_solid_color color
bl_focused_solid_color color
bl_unCheckable_solid_color color
bl_unChecked_solid_color color
bl_unEnabled_solid_color color
bl_unSelected_solid_color color
bl_unPressed_solid_color color
bl_unFocused_solid_color color

generate drawable by code(above v1.3.0)

detail see :DrawableCreator.Build example:

//设置button圆角背景
Drawable drawable = new DrawableCreator.Builder().setCornersRadius(dip2px(20))
                .setGradientAngle(0).setGradientColor(Color.parseColor("#63B8FF"), Color.parseColor("#4F94CD")).build();
btn.setBackground(drawable);
//文字点击变色
tvTest1.setClickable(true);//由于Android源码的原因，必须调用，否则不生效
ColorStateList colors = new DrawableCreator.Builder().setPressedTextColor(Color.RED).setUnPressedTextColor(Color.BLUE).buildTextColor();
tvTest1.setTextColor(colors);

bl_multi_selector属性

名称 类型 备注
bl_multi_selector1 String
bl_multi_selector2 String 同上
bl_multi_selector3 String 同上
bl_multi_selector4 String 同上
bl_multi_selector5 String 同上
bl_multi_selector6 String 同上

Supports the selector for a property setting that sets multiple states at the same time. The content rules split with ", "For the delimiter, the last item is the name of the drawable resource id, and the optional states are state_checkable, state_checked, state_enabled, state_selected, state_pressed, state_focused, state_hointernet , the default value of state_activated is true, and "-" after false can be activated, such as -state_checkable

bl_multi_selector使用示例： In the next example, test_sel1, the item that has android:state_pressed="true" android:state_focused="true", then bl_multi_selector1=" app:bl_multi_selector1="state_pressed,state_focused,test_bg_sel"

<EditText
    android:layout_width="300dp"
    android:layout_height="36dp"
    android:layout_marginTop="15dp"
    android:gravity="center"
    android:clickable="true"
    android:text="一条属性多个状态（原生写法）"
    android:textColor="@android:color/black"
    android:textSize="18dp"
    android:textStyle="bold"
    android:background="@drawable/test_sel1"/>

test_sel1:
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_pressed="true" android:state_focused="true"
        android:drawable="@drawable/test_bg_sel" /> <!-- pressed -->
    <item android:state_pressed="false" android:state_focused="false"
        android:drawable="@drawable/test_bg_sel2" /> <!-- focused -->
</selector>
bl_multi_selector：Usage, up to 6

 <EditText
    android:padding="0dp"
    android:layout_width="300dp"
    android:layout_height="36dp"
    android:layout_marginTop="15dp"
    android:clickable="true"
    android:gravity="center"
    android:text="一条属性多个状态（原生写法）"
    android:textColor="@android:color/black"
    android:textSize="18dp"
    android:textStyle="bold"
    app:bl_multi_selector1="state_pressed,state_focused,test_bg_sel"
    app:bl_multi_selector2="-state_pressed,-state_focused,test_bg_sel2"/>

example

1.stroke+corner+solid

<TextView
    android:layout_width="130dp"
    android:layout_height="36dp"
    android:gravity="center"
    android:text="TextView"
    android:textColor="#8c6822"
    android:textSize="20sp"
    app:bl_corners_radius="4dp"
    app:bl_solid_color="#E3B666"
    app:bl_stroke_color="#8c6822"
    app:bl_stroke_width="2dp" />

equals to

<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <corners android:radius="2dp"/>
    <solid android:color="#E3B666"/>
    <stroke android:color="#E3B666" android:width="2dp"/>
</shape>

2、gradient

<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <corners android:radius="2dp"/>
    <gradient android:angle="0" 
              android:startColor="#63B8FF"
              android:endColor="#4F94CD"/>
</shape>

equals to

 <Button
    android:id="@+id/btn"
    android:layout_width="130dp"
    android:layout_height="36dp"
    android:layout_marginTop="5dp"
    android:gravity="center"
    android:padding="0dp"
    android:text="跳转到列表"
    android:textColor="#4F94CD"
    android:textSize="20sp"
    app:bl_corners_radius="2dp"
    app:bl_gradient_angle="0"
    app:bl_gradient_endColor="#4F94CD"
    app:bl_gradient_startColor="#63B8FF" />

the effect of click

the first：

android:layout_width="20dp"
android:layout_height="20dp"
android:layout_marginTop="5dp"
app:bl_pressed_drawable="@drawable/circle_like_pressed"
app:bl_unPressed_drawable="@drawable/circle_like_normal" />

equals:

<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_pressed="true"
        android:drawable="@drawable/circle_like_pressed" />
    <item android:state_pressed="false"
        android:drawable="@drawable/circle_like_normal" />
</selector>

the second：

<Button
        android:layout_width="300dp"
        android:layout_height="50dp"
        android:layout_marginTop="5dp"
        android:gravity="center"
        android:padding="0dp"
        android:text="有波纹触摸反馈的按钮"
        android:textColor="@android:color/white"
        android:textSize="20sp"
        app:bl_corners_radius="20dp"
        app:bl_pressed_drawable="#71C671"
        app:bl_ripple_color="#71C671"
        app:bl_ripple_enable="true"
        app:bl_stroke_color="#8c6822"
        app:bl_stroke_width="2dp"
        app:bl_unPressed_drawable="#7CFC00" />

In fact, it is basically the same as shape and selector.

3.Click text discoloration

<Button
    android:layout_width="300dp"
    android:layout_height="50dp"
    android:layout_marginTop="5dp"
    android:gravity="center"
    android:padding="0dp"
    android:text="点击文字变色"
    app:bl_pressed_textColor="#919DAF"
    app:bl_unPressed_textColor="@android:color/holo_red_dark"/>

4.点击填充边框变色属性

<TextView
    android:layout_width="180dp"
    android:layout_height="36dp"
    android:layout_marginTop="15dp"
    android:gravity="center"
    android:text="点击边框变色"
    android:textColor="@android:color/black"
    android:textSize="18dp"
    android:textStyle="bold"
    android:clickable="true"
    app:bl_pressed_solid_color="#FFDEAD"
    app:bl_unPressed_solid_color="#E9967A"
    app:bl_stroke_width="1dp"
    app:bl_pressed_stroke_color="#C6E2FF"
    app:bl_unPressed_stroke_color="#98FB98"/>

5.how to use like style

no need to add "app:"

<style name="bg">
    <item name="corners_radius">4dp</item>
    <item name="solid_color">#E3B666</item>
    <item name="stroke_color">#8c6822</item>
    <item name="stroke_width">2dp</item>
</style>

<TextView
    android:layout_width="130dp"
    android:layout_height="36dp"
    android:gravity="center"
    android:text="TextView"
    android:textColor="#8c6822"
    android:textSize="20sp"
    style="@style/bg"/>

6.set drawableLeft 

    <Button
        android:id="@+id/btn_like"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="5dp"
        app:bl_position="left"
        android:background="@null"
        android:text="点赞+1"
        app:bl_pressed_drawable="@drawable/circle_like_pressed"
        app:bl_unPressed_drawable="@drawable/circle_like_normal" />

    <Button
        android:id="@+id/btn_like2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="5dp"
        app:bl_position="left"
        android:background="@null"
        android:text="未点赞"
        app:bl_selected_textColor="#fbdc4a"
        app:bl_unSelected_textColor="@android:color/black"
        app:bl_selected_drawable="@drawable/circle_like_pressed"
        app:bl_unSelected_drawable="@drawable/circle_like_normal" />

7.FrameAnimation 

    <View
        android:id="@+id/v_anim"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:bl_oneshot="false"
        app:bl_duration="50"
        app:bl_anim_auto_start="true"
        app:bl_frame_drawable_item0="@drawable/img00"
        app:bl_frame_drawable_item1="@drawable/img01"
        app:bl_frame_drawable_item2="@drawable/img02"
        app:bl_frame_drawable_item3="@drawable/img03"
        app:bl_frame_drawable_item4="@drawable/img04"
        app:bl_frame_drawable_item5="@drawable/img05"
        app:bl_frame_drawable_item6="@drawable/img06"
        app:bl_frame_drawable_item7="@drawable/img07"
        app:bl_frame_drawable_item8="@drawable/img08"
        app:bl_frame_drawable_item9="@drawable/img09"
        app:bl_frame_drawable_item10="@drawable/img10"
        app:bl_frame_drawable_item11="@drawable/img11"
        app:bl_frame_drawable_item12="@drawable/img12"
        app:bl_frame_drawable_item13="@drawable/img13"
        app:bl_frame_drawable_item14="@drawable/img14"/>

ProGuard

No need to add since 1.4.3

-dontwarn com.noober.background.**
-keep public class com.noober.background.** {*;}

Use attention

1、selector的相关属性，如果传入的drawable不是颜色的资源，会覆盖掉shape设置的属性
2、在根布局添加

    tools:ignore="MissingPrefix"

可以防止报红
3、因为layoutInflater限制了只能有一个factory，如果有其他库已经使用了setFactory方法，比如换肤的库，只需要在其他库调用layoutInflater.setFactory之后调用

BackgroundLibrary.inject2(context);

这样其他的库与本库同样可以生效。
4、～～selector一个item表示多个属性，暂时无法实现，如下：～～

 <item android:state_pressed="true" android:state_focused="true"
    android:drawable="@drawable/button_pressed" />

～～因为无法用一个属性去表示两种状态，有思路的同学可以告诉我 ～～ 1.4.5以后通过bl_multi_selector，可以支持

5、fragment使用无需任何处理，其Activity调用inject即可
6、listView，recyclerView使用也无需任何处理。 如果不生效，只需要

//在调用inflate只需调用一次context，保证adapter创建View时传入的是同一个context即可
BackgroundLibrary.inject(context);

View item = LayoutInflater.from(context).inflate(xxx)

7、自定义View中调用了inflate，同listView一样处理即可

How to preview

only need to use BLView to replace View(e.g. TextView to BLTextView, EditText to BLEditText) in layout.xml, don't use BLView in the code.

How to use Live Templates

mac:Macintosh HD\user\xxx\Library\Preferences\AndroidStudio3.2\templates windows:C:\Users\XXX.AndroidStudio3.2\config\templates

copy the file BackgroundLibrary.xml to this directory effect： 

   Apache License

   Copyright [2018] [javakepp]

   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.