java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()解决办法
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java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()解决办法
android Toast提示异常:java.lang.RuntimeException: Can't create handler inside thread that has not called
原因是在子线程弹Toast了, 切记,Toast只能在UI线程弹出
解决办法:
new Thread(new Runnable() { @Override
public void run() {
// TODO Auto-generated method stub try {
Thread.sleep(1000);
handler.sendEmptyMessage(0);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} }
}).start();
private Handler handler = new Handler() { @Override
public void handleMessage(Message msg) {
Toast.makeText(CommodityDetails.this, "修改失败!", Toast.LENGTH_SHORT).show();
} };
完美解决!!!
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