Android Butterknife view 주입 프레임 사용
15896 단어 Android--기본
ButterKnife는 안드로이드 시스템에 전념하는 View 주입 프레임워크로findViewById와 setOnclickListener 코드를 대량으로 줄이고 원키 생성을 시각화할 수 있다.
프로젝트github 주소:
https://github.com/JakeWharton/butterknife
ButterKnife의 장점
1. 강력한 View 바인딩과 Click 이벤트 처리 기능, 코드를 간소화하고 개발 효율을 향상시킨다. 2. 어댑터의 ViewHolder 바인딩 문제를 쉽게 처리한다. 3. 실행할 때 앱 효율에 영향을 주지 않는다. 사용 설정이 편리하다. 4. 코드가 뚜렷하고 읽기 쉽다.
의존성 추가 방법
모듈에 있는build입니다.gredle 파일의 dependencies 탭에 추가
compile 'com.jakewharton:butterknife:8.4.0'
컨트롤 id 메모를 사용하는 방법: @BindView()
package com.zyj.wifi;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.Button;
import butterknife.BindView;
import butterknife.ButterKnife;
public class ButterknifeActivity extends AppCompatActivity {
@BindView( R.id.button1 )
public Button button1 ;
// :button :private static 。 : : @BindView fields must not be private or static. (com.zyj.wifi.ButterknifeActivity.button1)
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_butterknife);
// activity
ButterKnife.bind( this ) ;
button1.setText( "I am a button ");
}
}
여러 컨트롤 id 메모: @BindViews()
package com.zyj.wifi;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.Button;
import java.util.List;
import butterknife.BindViews;
import butterknife.ButterKnife;
public class Main2Activity extends AppCompatActivity {
@BindViews({ R.id.button1 , R.id.button2 , R.id.button3 })
public List
fragment 사용
package com.zyj.wifi;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import butterknife.BindView;
import butterknife.ButterKnife;
public class ButterknifeFragment extends Fragment {
@BindView( R.id.button1 )
public Button button1 ;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_butterknife, container, false);
// fragment
ButterKnife.bind( this , view ) ;
button1.setText( "I am a button ");
return view ;
}
}
@BindString():string 문자열 바인딩
package com.zyj.wifi;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.Button;
import butterknife.BindString;
import butterknife.BindView;
import butterknife.ButterKnife;
public class ButterknifeActivity extends AppCompatActivity {
@BindView( R.id.button1 ) // button
public Button button1 ;
@BindString( R.string.app_name ) // string
String meg;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_butterknife);
// activity
ButterKnife.bind( this ) ;
button1.setText( meg );
}
}
@BindArray (): 귀속string 안의array 그룹
<resources>
<string name="app_name">WiFi string>
<string-array name="city">
<item> item>
<item> item>
<item> item>
<item> item>
<item> item>
string-array>
resources>
package com.zyj.wifi;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.Button;
import butterknife.BindArray;
import butterknife.BindView;
import butterknife.ButterKnife;
public class ButterknifeActivity extends AppCompatActivity {
@BindView( R.id.button1 ) // button
public Button button1 ;
@BindArray(R.array.city ) // string array
String [] citys ;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_butterknife);
// activity
ButterKnife.bind( this ) ;
button1.setText( citys[0] );
}
}
@BindBitmap(): Bitmap 리소스 바인딩
package com.zyj.wifi;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.ImageView;
import butterknife.BindBitmap;
import butterknife.BindView;
import butterknife.ButterKnife;
public class ButterknifeActivity extends AppCompatActivity {
@BindView( R.id.imageView ) // ImageView
public ImageView imageView ;
@BindBitmap( R.mipmap.wifi ) // Bitmap
public Bitmap wifi_bitmap ;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_butterknife);
// activity
ButterKnife.bind( this ) ;
imageView.setImageBitmap( wifi_bitmap );
}
}
@BindColor(): 색상 값 바인딩
package com.zyj.wifi;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.Button;
import butterknife.BindColor;
import butterknife.BindView;
import butterknife.ButterKnife;
public class ButterknifeActivity extends AppCompatActivity {
@BindView( R.id.button1 ) //
public Button button1 ;
@BindColor( R.color.colorAccent ) int black ; //
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_butterknife);
// activity
ButterKnife.bind( this ) ;
button1.setTextColor( black );
}
}
@OnClick(): 바인딩 컨트롤 클릭 이벤트 @OnLongClick(): 바인딩 컨트롤 긴 누르기 이벤트
package com.zyj.wifi;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.Toast;
import butterknife.ButterKnife;
import butterknife.OnClick;
import butterknife.OnLongClick;
public class ButterknifeActivity extends AppCompatActivity {
@OnClick(R.id.button1 ) // button1
public void showToast(){
Toast.makeText(this, "is a click", Toast.LENGTH_SHORT).show();
}
@OnLongClick( R.id.button1 ) // button1
public boolean showToast2(){
Toast.makeText(this, "is a long click", Toast.LENGTH_SHORT).show();
return true ;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_butterknife);
// activity
ButterKnife.bind( this ) ;
}
}
zelezny: Butterknife 플러그인의 사용은 안드로이드 스튜디오에 zelezny 플러그인 시각화view 주입을 설치할 수 있습니다.