Android Tutorial => ButterKnife

Introduction

Butterknife is a view binding tool that uses annotations to generate boilerplate code for us. This tool is developed by Jake Wharton at Square and is essentially used to save typing repetitive lines of code like findViewById(R.id.view) when dealing with views thus making our code look a lot cleaner.

To be clear, Butterknife is not a dependency injection library. Butterknife injects code at compile time. It is very similar to the work done by Android Annotations.

Remarks

ButterKnife

Field and method binding for Android views which uses annotation processing to generate boilerplate code for you.

Eliminate findViewById calls by using @BindView on fields.
Group multiple views in a list or array. Operate on all of them at once with actions, setters, or properties.
Eliminate anonymous inner-classes for listeners by annotating methods with @OnClick and others.
Eliminate resource lookups by using resource annotations on fields.

More info: http://jakewharton.github.io/butterknife/

License

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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