Butter knife ppt
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ButterKnife is a library that allows binding of Android views and resources to fields using annotations to reduce boilerplate code. It allows binding views using @BindView, binding resources, non-activity binding, listener binding, and resetting bindings. Developers add annotations and the ButterKnife library to bind views to fields rather than find views by ID.
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Butter knife ppt
- 1. ButterKnife
- 2. FEATURES OF BUTTERKNIFE Bind View using annotation @BindView Resource binding Non-activity binding Listener binding Binding reset
- 4. Activity class before ButterKnife public class MainActivity extends AppCompatActivity { private TextView textViewUserName; private TextView textViewPassword; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); textViewUserName=findViewById(R.id.textViewUserName); textViewPassword=findViewById(R.id.textViewPassword); } }
- 5. Activity class after ButterKnife public class MainActivity extends AppCompatActivity { @BindView(R.id.textViewUserName) private TextView textViewUserName; @BindView(R.id.textViewPassword) private TextView textViewPassword; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ButterKnife.bind(this) } }