public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
// 全部對話框記得要加.show()方法，不然不會顯示出對話框
// 普通對話框，（警告對話框 、提示對話框）
public void alert(View view) {
// 能夠在監聽裏面實現本身的一些功能
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("提示");
builder.setIcon(R.drawable.ic_launcher);
builder.setMessage("您真的要退出？");
builder.setNegativeButton("取消", new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "取消", Toast.LENGTH_SHORT)
.show();// 沒有實現功能，只是點擊了提示一下
}
});
builder.setPositiveButton("肯定", new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "肯定", Toast.LENGTH_SHORT)
.show();
}
});
builder.setNeutralButton("中立", new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "中立", Toast.LENGTH_SHORT)
.show();
}
});
builder.show();
}
// 進度對話框
// 全部對話框記得要加.show()方法，不然不會顯示出對話框
public void progress(View view) {
ProgressDialog dialog = new ProgressDialog(this);
dialog.setTitle("提示");
dialog.setIcon(R.drawable.ic_launcher);
dialog.setMessage("正在下載");
dialog.show();// 彈出一個對話框，顯示一個去圈圈在加載
}
// 日期對話框，能夠選擇日期，當前日期
public void date(View view) {
Calendar calendar = Calendar.getInstance();// 獲取當前時間
int year= calendar.get(Calendar.YEAR);
int month = calendar.get(Calendar.MONTH);
int day = calendar.get(Calendar.DAY_OF_MONTH);
DatePickerDialog date = new DatePickerDialog(this,
new OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year,
int monthOfYear, int dayOfMonth) {
// 月要加一，由於是從0開始
String datetime = year + "-" + (monthOfYear + 1) + "-"
+ dayOfMonth;
Toast.makeText(MainActivity.this, datetime,
Toast.LENGTH_SHORT).show();
}
}, year, month, day);
date.show();
}
// 時間對話框
public void time(View view) {
Calendar calendar = Calendar.getInstance();
int hour = calendar.get(Calendar.HOUR_OF_DAY);
int minute = calendar.get(Calendar.MILLISECOND);
TimePickerDialog time = new TimePickerDialog(this,
new OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker view, int hourOfDay,
int minute) {
String time = hourOfDay + "-" + minute;
Toast.makeText(MainActivity.this, time,
Toast.LENGTH_SHORT).show();
}
}, hour, minute, true);
time.show();
}
// 自定義對話框,對話框中能夠存放本身的佈局控件
public void custom(View view) {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("用戶登陸");
builder.setIcon(R.drawable.ic_launcher);
// 填充自定義的登陸視圖
View loginView = LayoutInflater.from(this).inflate(R.layout.item, null);
final TextView txet_name = (TextView) loginView
.findViewById(R.id.text_name);
final TextView txet_pass = (TextView) loginView
.findViewById(R.id.text_pass);
builder.setView(loginView);
// 添加一個肯定按鈕
builder.setPositiveButton("肯定", new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
String name = txet_name.getText().toString();
String pass = txet_pass.getText().toString();
setTitle(name + ":" + pass);
}
});
builder.setNegativeButton("取消", null);
builder.show();
}
}
自定義對話框的自定義佈局
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
>
<EditText
android:id="@+id/text_name"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="請輸入用戶名"
android:inputType="textPersonName" />
<EditText
android:id="@+id/text_pass"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="請輸入密碼"
android:inputType="textPassword" />
</LinearLayout>
