final Handler handler = new Handler(){
@Override
public void handleMessage(Message msg)
{
if(msg.what == 0x1001)
{
int position = hotView.getSelectedItemPosition();
if(position > 0)
{
position = position - 1;
}
hotView.setSelection(position);
}
if(msg.what == 0x1002)
{
int position = hotView.getSelectedItemPosition();
if(position < 4)
{
position = position + 1;
}
hotView.setSelection(position);
}
super.handleMessage(msg);
}
};
//初始化首页热卖产品右边箭头
homeHotRight = (ImageView)findViewById(R.id.home_hot_right);
homeHotRight.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
Handler handler = new Handler();
Message msg;
switch (view.getId()) {
case R.id.home_hot_left:
msg = new Message();
msg.what = 0x1001;
handler.sendMessage(msg);
break;
case R.id.home_hot_right:
msg = new Message();
msg.what = 0x1002;
boolean success = handler.sendMessage(msg);
default:
break;
}
} });
我通过homeHotRight按钮的点击促发消息的发送,为什么我在handleMessage函数中接收不到发送的消息
@Override
public void handleMessage(Message msg)
{
if(msg.what == 0x1001)
{
int position = hotView.getSelectedItemPosition();
if(position > 0)
{
position = position - 1;
}
hotView.setSelection(position);
}
if(msg.what == 0x1002)
{
int position = hotView.getSelectedItemPosition();
if(position < 4)
{
position = position + 1;
}
hotView.setSelection(position);
}
super.handleMessage(msg);
}
};
//初始化首页热卖产品右边箭头
homeHotRight = (ImageView)findViewById(R.id.home_hot_right);
homeHotRight.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
Handler handler = new Handler();
Message msg;
switch (view.getId()) {
case R.id.home_hot_left:
msg = new Message();
msg.what = 0x1001;
handler.sendMessage(msg);
break;
case R.id.home_hot_right:
msg = new Message();
msg.what = 0x1002;
boolean success = handler.sendMessage(msg);
default:
break;
}
} });
我通过homeHotRight按钮的点击促发消息的发送,为什么我在handleMessage函数中接收不到发送的消息
Handler handler = new Handler();
Message msg;貌似发到这个handler了;
删掉看下