《Android進階之光》--ButterKnife

標籤：script   process   tor   editable   boolean   const   pil   java   list   

No1：

添加依賴庫

Project的build.gradle檔案添加

buildscript{    ...    dependencies{    ...    classpath ‘com.neenbedankt.gradle.plugins:android-apt:1.8‘    }}

在Module:app的build.gradle檔案添加

apply plugin:‘com.neenbedankt.android-apt‘...dependencies{...compile ‘com.jakewharton:butterknife:8.4.0‘apt ‘com.jakewharton:butterknife-compiler:8.4.0‘}

No2：

繫結控制項id

@BindView(R.id.tv_text)TextView tv_text;

No3：

綁定資源

@BindString(R.string.app_name)String appName;@BindArray(R.array.swordsman)String[] swordsman;@BindDimen(R.dimen.activity_horizontal_margin)float margin;

No4：

綁定監聽

@OnClick(R.id.bt_button1)public void showToast(){}@OnLongClick(R.id.bt_button2)public boolean setText(Button button){    return true;}

@OnTextChanged(value=R.id.et_edittext,callback=OnTextChanged.Callback.BEFORE_TEXT_CHANGED)void beforeTextChanged(CharSequence s,int start,int count,int after){}@OnTextChanged(value=R.id.et_edittext,callback=OnTextChanged.Callback.TEXT_CHANGED)void onTextChanged(CharSequence s,int start,int before,int count){}@OnTextChanged(value=R.id.et_edittext,callback=OnTextChanged.Callback.AFTER_TEXT_CHANGED)void afterTextChanged(Editable s){}

@OnTouch(R.id.bt_button3)public boolean onTouch(View view,MotionEvent event){    return true;}@OnItemClick(R.id.lv_list)void onItemClick(int position){}

No5：

可選綁定

@Nullable@BindView(R.id.tv_toptext)TextView name;

No6：

ButterKnife註解處理器是ButterKnifeProcessor，主要處理邏輯都在process方法中

->findAndParseTargets

->brewJava

->createBinding

->findBindingConstructorForClass

->findRequiredViewAsType

->findRequiredView

->DecorView.findViewById

->castView

《Android進階之光》--ButterKnife