Android 中AlterDialog使用
Android 中AlterDialog使用，AlterDialog的使用分为两种，一种是直接使用，一种是自己设计一个Layout，然后当做Dialog显示出来。
1、定义两个Button，一个用来显示AlterDialog，一个显示自定义的AlterDialog。
private
Button bt1;
private
Button bt2;
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注册事件
protected
void
onCreate(Bundle savedInstanceState) {
super
.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
bt1 = (Button)
this
.findViewById(R.id.button1);
bt1.setOnClickListener(
new
OnClickEvent());
bt2 = (Button)
this
.findViewById(R.id.button2);
bt2.setOnClickListener(
new
OnClickEvent());
}
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2、bt1显示普通的AlterDialog，bt2显示自己定义的AlterDialog。
class
OnClickEvent
implements
OnClickListener {
@Override
public
void
onClick(View v) {
// TODO Auto-generated method stub
if
(v == bt1)
{
ShowDialog(MainActivity.
this
);
}
if
(v == bt2)
{
showDialog_Layout(MainActivity.
this
);
}
}
}
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3、ShowDialog方法显示带有三个按钮的Dialog。分别为OK，Cancle，Reset。以及三个Button的单击事件。
private
void
ShowDialog(Context context)
{
AlertDialog.Builder build =
new
AlertDialog.Builder(context);
build.setIcon(R.drawable.ic_launcher);
build.setTitle(
"Dialog Title"
);
build.setMessage(
"Dialog Message"
);
build.setPositiveButton(
"OK"
,
new
DialogInterface.OnClickListener() {
@Override
public
void
onClick(DialogInterface dialog,
int
which) {
// TODO Auto-generated method stub
setTitle(
"You click OK"
);
}
});
build.setNeutralButton(
"Reset"
,
new
DialogInterface.OnClickListener() {
@Override
public
void
onClick(DialogInterface dialog,
int
which) {
// TODO Auto-generated method stub
setTitle(
"You click Reset"
);
}
});
build.setNegativeButton(
"Cancle"
,
new
DialogInterface.OnClickListener() {
@Override
public
void
onClick(DialogInterface dialog,
int
which) {
// TODO Auto-generated method stub
setTitle(
"You click Cancle"
);
}
});
build.show();
}
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showDialog_Layout显示自己定义的AlterDialog，定义了两个按钮，分别为OK和Cancle，以及各自的单击事件。
private
void
showDialog_Layout(Context context) {
LayoutInflater inflater = LayoutInflater.from(
this
);
final
View view = inflater.inflate(R.layout.mydialoglayout,
null
);
final
EditText txt = (EditText)view.findViewById(R.id.editText1);
AlertDialog.Builder build =
new
AlertDialog.Builder(context);
build.setIcon(R.drawable.ic_launcher);
build.setTitle(
"Dialog Title"
);
build.setCancelable(
false
);
build.setIcon(R.drawable.ic_launcher);
build.setView(view);
build.setPositiveButton(
"Ok"
,
new
DialogInterface.OnClickListener() {
@Override
public
void
onClick(DialogInterface dialog,
int
which) {
// TODO Auto-generated method stub
setTitle(txt.getText());
}
});
build.setNegativeButton(
"Cancel"
,
new
DialogInterface.OnClickListener() {
@Override
public
void
onClick(DialogInterface dialog,
int
which) {
// TODO Auto-generated method stub
setTitle(
""
);
}
});
build.show();
}
|
自定义的mydialoglayout.xml的UI代码为：
<?xml version=
"1.0"
encoding=
"utf-8"
?>
<LinearLayout xmlns:android=
"http://schemas.android.com/apk/res/android"
android:layout_width=
"match_parent"
android:layout_height=
"match_parent"
android:orientation=
"vertical"
>
<EditText
android:id=
"@+id/editText1"
android:layout_width=
"match_parent"
android:layout_height=
"wrap_content"
android:ems=
"10"
>
<requestFocus />
</EditText>
</LinearLayout>
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这个UI是自定义的，当然可以定义的更复杂。上面就放了一个EditText。
本文转自Work Hard Work Smart博客园博客，原文链接：http://www.cnblogs.com/linlf03/archive/2013/03/14/2959585.html，如需转载请自行联系原作者
