AlertDialog.Builder(this);

MainActivity.this = " + MainActivity.this); new AlertDialog.Builder(MainActivity.this).setTitle(R.string.notice) .setIcon(R.drawable.alert).setMessage...

dialog有没有dismiss()方法啊?你创建的是DialogBuilder而不是Dialog,你应该这样创建dialog:AlertDialog.Builder builder = new AlertDialog.Builder(this);builder.set...

new AlertDialog.Builder(this);就这句话报错。如果换成new AlertDialog.Builder(null);就好了为什么?报错是这么说的,The constructor AlertDialog.Builder(Http...

那我们先了解什么是AlertDialog?什么是AlertDialog.Builder?且两者有什么区别?    AlertDialog是Dialog的一个直接子类,AlertDialog也是Android系统当中最常用的...

public void showAlert(String message){ AlertDialog.Builder builder = new AlertDialog.Builder(this.getContext()); builder.setTitle("Here is a message mess...

AlertDialog.Builder alertDialog = new AlertDialog.Builder(this); alertDialog .setTitle("title") .setMessage("message") .setPositiveButton("okBuuon...

有关AlertDialog.Builder,在创建时一定要用this做为参数, 如:new AlertDialog.Builder(this); 有些时候用this 会出现错误,因为dialog不是在oncreate中定义的。 不...

郁闷这句话报错new AlertDialogBuilderthis;:1: 并需是Activity下的context对象.否则报错2: new AlertDialog.Builder(this).create(); 把this改为你当前的...

java.lang.Object ↳ android.app.AlertDialog.Builder Summary Public Constructors AlertDialog.Builder(Context context) Constructor using a context for this ...

Android AlertDialog.Builder用法,Android AlertDialog.Builder如何使用,Android AlertDialog.Builder手册,Android AlertDialog.Builder帮助,Android AlertDialog.Builder例子,...