public class MainActivity extends Activity implements android.widget.CompoundButton.OnCheckedChangeListener{ private ToggleButton tb; private ImageView img; protected void Oncreate(Bundle savedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.first_layout1); tb= (ToggleButton) findViewById(R.id.toggleButton1); img =(ImageView) findViewById(R.id.imageView1); tb.setOnCheckedChangeListener(this); } @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { // TODO Auto-generated method stub //tb点击时执行方法判断状态,buttonView被点击的控件,isChecked点击状态开关 //tb点击时执行方法判断状态,buttonView被点击的控件,isChecked点击状态开关 img.setBackgroundResource(isChecked?R.drawable.on:R.drawable.off);//如果为true返回前者,否则返回后者。 } }
星箜下
回字有四样写法
时空中的沙粒