无法从一个活动比我的主要活动等显示吐司 [英] Cannot display Toast from an Activity other than my main activity
问题描述
我有一个叫做主要活动。如果我称之为
I have a Activity called main. If I call
Toast.makeText(this, "Hello World from main", Toast.LENGTH_SHORT);
这工作正常。然而,在我的应用程序的每个其他活动,我无法显示吐司。没有例外,没有在日志,但我没有看到吐司。
this works fine. However, for every other activity in my application, I cannot display a Toast. No exception, nothing in the Log but I don't see the Toast.
我的主要活动启动另外一个与选项菜单:
My main activity starts another one with an options menu:
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.main_menu_entry:
Intent infolist = new Intent(this, infolist.class);
startActivityForResult(infolist, R.layout.infolist);
return true;
default:
return super.onOptionsItemSelected(item);
}
}
在我infolist活动我都应该显示吐司另一个选项菜单。
In my infolist activity I have another options menu which should display a Toast.
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.infolist_menu_entry:
// this Toast is never shown.
Toast.makeText(this, "Hello World from infolist", Toast.LENGTH_Short);
return true;
default:
return super.onOptionsItemSelected(item);
}
}
任何想法可能会导致这个问题? 我现在用的是最新的SDK与民SDK版本= 3和1.5模拟器。
Any ideas what could cause this issue? I am using the latest SDK with Min SDK Version = 3 and an 1.5 Emulator.
推荐答案
我会说,经典的错误:
你忘了 Toast.show()
方法)
I would say, classical error :
You forgot the Toast.show()
method ;)
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