package com.example.activitytest;import android.app.Activity;
import android.os.Bundle;
import android.provider.ContactsContract.RawContacts;
import android.view.View;
import android.view.Window;
import android.widget.Toast;public class FirstActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.fire_layout);
Button button1 =(Button) findViewById(R.id.button_1);
button.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v){
Toast.makeText(FirstActivity.this,"You clicked Button_1",
Toast.LENGTH_SHORT).show();
}
});
}
}
import android.os.Bundle;
import android.provider.ContactsContract.RawContacts;
import android.view.View;
import android.view.Window;
import android.widget.Toast;public class FirstActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.fire_layout);
Button button1 =(Button) findViewById(R.id.button_1);
button.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v){
Toast.makeText(FirstActivity.this,"You clicked Button_1",
Toast.LENGTH_SHORT).show();
}
});
}
}
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button.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v){
Toast.makeText(FirstActivity.this,"You clicked Button_1",
Toast.LENGTH_SHORT).show();
}一个button1
一个button