监听事件整合
public class MainActivity extends AppCompatActivity {
private Button mBtnTextView ;
private Button mBtnButton ;
private Button mBtnLogin ;
private Button mBtnRadioButton;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mBtnTextView=findViewById(R.id.btn_textView);
mBtnButton=findViewById(R.id.btn_Button);
mBtnLogin=findViewById(R.id.btn_Login);
mBtnRadioButton=findViewById(R.id.btn_RadioButton);
setListeners();
}
public void setListeners(){
Onclick onclick=new Onclick();
mBtnTextView.setOnClickListener(onclick);
mBtnButton.setOnClickListener(onclick);
mBtnLogin.setOnClickListener(onclick);
mBtnRadioButton.setOnClickListener(onclick);
}
private class Onclick implements View.OnClickListener{
@Override
public void onClick(View v) {
Intent intent=null;
switch (v.getId()){
case R.id.btn_Button:
intent=new Intent(MainActivity.this,ButtonActivity.class);
break;
case R.id.btn_textView:
intent=new Intent(MainActivity.this,TextViewActivity.class);
break;
case R.id.btn_Login:
intent=new Intent(MainActivity.this,LoginActivity.class);
break;
case R.id.btn_RadioButton:
intent=new Intent(MainActivity.this,RadioButtonActivity.class);
break;
}
startActivity(intent);
}
}
}