崩了，unfortunately,My Application has stopped！跪求支援

Question

public class MainActivity extends Activity implements OnCheckedChangeListener{

private  ToggleButton     but1;

private  ImageView        ima1;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

but1 =(ToggleButton) findViewById(R.id.toggleButton1);

ima1 = (ImageView) findViewById(R.id.imageView1); 

but1.setOnCheckedChangeListener(this);

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.

getMenuInflater().inflate(R.menu.main, menu);

return true;

}

@Override

public void onCheckedChanged(CompoundButton buttonviwe, boolean isChecked) {

// TODO Auto-generated method stub

ima1.setBackgroundResource(isChecked?R.drawable.on:R.drawable.off);

}

Answer 1

提供下报错堆栈信息，一般来说，答案就在其中