简易计算器之ButterKnife应用

引言

自制一个简易的计算器，怎奈按钮过多，需要添加大量的监听。怎么办?ButterKnife前来报道。
ButterKnife的Github地址：https://github.com/JakeWharton/butterknife

ButterKnife的注入

添加依赖

Configure your project-level build.gradle to include the ‘android-apt’ plugin:

buildscript {
  repositories {
    mavenCentral()
   }
  dependencies {
    classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8'
  }
}

Then, apply the ‘android-apt’ plugin in your module-level build.gradle and add the Butter Knife dependencies:

apply plugin: 'android-apt'

android {
  ...
}

dependencies {
  compile 'com.jakewharton:butterknife:8.4.0'
  apt 'com.jakewharton:butterknife-compiler:8.4.0'
}

Activity注入

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    ButterKnife.bind(this);
}

Fragment注入

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.keybord_normal_fragment, container, false);
    ButterKnife.bind(this, view);

    return view;
}

ViewHolder注入

static class ViewHolder {
@Bind(R.id.name) TextView name;
@Bind(R.id.password) TextView pwd;

    public ViewHolder(View view) {
      ButterKnife.bind(this, view);
    }
}

其余绑定

//资源绑定：
@BindColor(R.color.red) int red; 

//控件绑定：
@BindView(R.id.home_show_content_tv)
    TextView mTvShowContent;

onClick事件绑定:
@OnClick({R.id.cal_num_1_btn, R.id.cal_num_2_btn})
public void click(View view){
...
}

相关参考资料：
http://blog.csdn.net/i374711088/article/details/49102003