<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button1" />
<Button
android:id="@+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button2" />
public class TestButtonActivity extends Activity {
Button btn1, btn2;
Toast tst;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_test_button);
btn1 = (Button) findViewById(R.id.button1);
btn2 = (Button) findViewById(R.id.button2);
btn1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Toast tst = Toast.makeText(TestButtonActivity.this, "111111111", Toast.LENGTH_SHORT);
tst.show();
}
});
btn2.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Toast tst = Toast.makeText(TestButtonActivity.this, "222222222", Toast.LENGTH_SHORT);
tst.show();
}
});
}
}
public class TestButtonActivity extends Activity {
Button btn1, btn2;
Toast tst;
class MyClickListener implements OnClickListener {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
switch (v.getId()) {
case R.id.button1:
tst = Toast.makeText(TestButtonActivity.this, "111111111", Toast.LENGTH_SHORT);
tst.show();
break;
case R.id.button2:
tst = Toast.makeText(TestButtonActivity.this, "222222222", Toast.LENGTH_SHORT);
tst.show();
break;
default:
break;
}
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_test_button);
btn1 = (Button) findViewById(R.id.button1);
btn2 = (Button) findViewById(R.id.button2);
btn1.setOnClickListener(new MyClickListener());
btn2.setOnClickListener(new MyClickListener());
}
}
public class TestButtonActivity extends Activity implements OnClickListener {
Button btn1, btn2;
Toast tst;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_test_button);
btn1 = (Button) findViewById(R.id.button1);
btn2 = (Button) findViewById(R.id.button2);
btn1.setOnClickListener(this);
btn2.setOnClickListener(this);
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
switch (v.getId()) {
case R.id.button1:
tst = Toast.makeText(this, "111111111", Toast.LENGTH_SHORT);
tst.show();
break;
case R.id.button2:
tst = Toast.makeText(this, "222222222", Toast.LENGTH_SHORT);
tst.show();
break;
default:
break;
}
}
}
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="onClick"
android:text="Button1" />
<Button
android:id="@+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="onClick"
android:text="Button2" />
public class TestButtonActivity extends Activity {
Button btn1, btn2;
Toast tst;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_test_button);
}
// 注意 这里没有 @Override 标签
public void onClick(View v) {
// TODO Auto-generated method stub
switch (v.getId()) {
case R.id.button1:
tst = Toast.makeText(this, "111111111", Toast.LENGTH_SHORT);
tst.show();
break;
case R.id.button2:
tst = Toast.makeText(this, "222222222", Toast.LENGTH_SHORT);
tst.show();
break;
default:
break;
}
}
}
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