如何在ApplicationSyncAdapter Android中举杯祝酒？

Question

我尝试过使用runOnUIthread概念在活动，片段和服务中做吐司。

如何在Android中的ApplicationSyncAdapter中进行吐司？

Answer 1

public void onClick(View v) {
    String text = (String)s.getSelectedItem();
    Toast toast = Toast.makeText(getApplicationContext(),"Toast" ,Toast.LENGTH_LONG);
    toast.show();
        }
// this by Java

https://i.stack.imgur.com/kWI07.png

Answer 2

您可以在主线程上运行代码，如下所示：

new Handler(Looper.getMainLooper()).post(/*Your runnable*/)