NightOwl

项目地址:ashqal/NightOwl
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It is an experimental project for switching day/night mode on Android. View the demo video on Youtube. This will help you understand the project.

Dependencies

add nightowllib library to your project which published in jCenter

compile 'com.asha.nightowllib:nightowllib:0.2'

Setup

init the NightOwl in Application class, such as

 NightOwl.builder().defaultMode(0).create();

then you need call three method in your Activity class, such as

public class DemoActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // step1 before super.onCreate
        NightOwl.owlBeforeCreate(this);

        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_demo);

        // step2 after setContentView
        NightOwl.owlAfterCreate(this);

        // write your code
    }

    @Override
    protected void onResume() {
        super.onResume();

        // step3 onResume
        NightOwl.owlResume(this);
    }

}

switch skin everywhere as you like

View v = findViewById(R.id.button);
v.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        NightOwl.owlNewDress(SettingActivity.this);
    }
});

and enjoy it.

Usage

General component

For example, if you want to change text color, you may via Attribute

// layout.xml
<TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@string/large_text"
    android:textColor="#000000"
    night:night_textColor="#999999"
    />

via Style

// layout.xml
<TextView
    android:id="@+id/title"
    android:style="@style/MyTextStyle"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content" />
// style.xml
<style name="MyTextStyle">
    <item name="android:textColor">#002fff</item>
    <item name="night_textColor">#fc575d</item>
    <item name="android:background">#fdceb7</item>
    <item name="night_background">#3d1416</item>
</style>

via Text Appearance

// layout.xml
<TextView
    android:textAppearance="@style/TextPrimary"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content" />
// style.xml
<style name="TextPrimary" parent="TextAppearance.AppCompat.Title">
    <item name="android:textColor">#FF000000</item>
    <item name="night_textColor">#4d4d4d</item>
</style>

Custom View

public class CustomView extends View implements IOwlObserver {
  @Override
    public void onSkinChange(int mode, Activity activity) {
        int color = mode == 0 ? mColor : mColorNight;
        mPaint.setColor(color);
        this.invalidate();
    }
}

than register to NightOwl

CustomView customView = new CustomView(this);
// register
NightOwl.owlRegisterCustom(customView);

Supported Attributes

  • View Table
Name Attr
View night_background
View night_alpha
  • TextView Table extends View Table
Name Attr
TextView night_textColor
TextView night_textColorHint
  • ImageView Table extends TextView Table
Name Attr
ImageView night_src
  • ListView Table extends View Table
Name Attr
ListView night_listSelector
ListView night_divider
  • Theme Table
Name Attr
Theme night_colorPrimary
Theme night_colorPrimaryDark
Theme night_colorAccent
Theme night_navigationBarColor
Theme night_statusBarColor

Memory leak?

Dont worry, there is no any Context or View instance saved in NightOwl, this project just insert some data object into a target view via

view.setTag(int key, Object value);

LICENSE

Copyright 2015 Asha

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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Android 开发经验分享
C 轮融资近 30 亿元理财推荐