protected Dialog onCreateDialog(int id) {
switch (id) {
case DIALOG_YES_NO_MESSAGE:
return new AlertDialog.Builder(AlertDialogSamples.this)
.setIcon(R.drawable.alert_dialog_icon)
.setTitle(R.string.alert_dialog_two_buttons_title)
.setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) { /* User clicked OK so do some stuff */
}
})
.setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) { /* User clicked Cancel so do some stuff */
}
})
.create();
......上面的代码是android中的例子,return new AlertDialog.Builder后面分别跟着.setIcon,.setTitle等,这是什么语法,有什么特殊含义吗
谢谢
switch (id) {
case DIALOG_YES_NO_MESSAGE:
return new AlertDialog.Builder(AlertDialogSamples.this)
.setIcon(R.drawable.alert_dialog_icon)
.setTitle(R.string.alert_dialog_two_buttons_title)
.setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) { /* User clicked OK so do some stuff */
}
})
.setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) { /* User clicked Cancel so do some stuff */
}
})
.create();
......上面的代码是android中的例子,return new AlertDialog.Builder后面分别跟着.setIcon,.setTitle等,这是什么语法,有什么特殊含义吗
谢谢
new AlertDialog.Builder(AlertDialogSamples.this) 我理解是生成一个Builder对象,但是后面跟真的.setIcon, .setTitle等都是在设定Builder对象的属性吗?如果是这样,那么下面的代码如何解释呢?
Class A{
public B getB{return new B;}
}Class B{
public C getC{return new C;}
}new A().getB().getC();这时getB是A的方法,而getC是B的方法。可是是按照以前的分析,getB和getC都是A的方法啊?谢谢 再解释一下,我是新人,麻烦了!