setContentView(R.layout.main);
showButton1 = (Button)findViewById(R.id.showbutton1);
showButton2 = (Button)findViewById(R.id.showbutton2);
showButton3 = (Button)findViewById(R.id.showbutton3);
showButton1.setOnClickListener(new showbuttonlistener());
showButton2.setOnClickListener(new buttonlisntenr());
showButton3.setOnClickListener(new buttonlisntener2());
}
class showbuttonlistener implements OnClickListener{
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent();
intent.setClass(MainActivity.this, activity02.class);
MainActivity.this.startActivity(intent);
}
}
class buttonlisntenr implements OnClickListener{
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent("myaction1");
startActivity(intent);
}
}
class buttonlisntener2 implements OnClickListener{
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent("myaction2");
startActivity(intent);
}
}
求大神打救
action 异常
------解决方案--------------------
可能是button03为null，有没有setcontentView，或者setContent里面的layout有没有id为backbutton的