ANDROID笔记：Dialog的几种用法

  1 package com.example.android_dialog;

  2 

  3 import java.util.Calendar;

  4 

  5 import android.app.Activity;

  6 import android.app.AlertDialog;

  7 import android.app.DatePickerDialog;

  8 import android.app.TimePickerDialog;

  9 import android.os.Bundle;

 10 import android.view.Gravity;

 11 import android.view.LayoutInflater;

 12 import android.view.View;

 13 import android.view.View.OnClickListener;

 14 import android.widget.Button;

 15 import android.widget.DatePicker;

 16 import android.widget.EditText;

 17 import android.widget.PopupWindow;

 18 import android.widget.TimePicker;

 19 import android.widget.Toast;

 20 

 21 /**

 22  * Dialog的几种用法

 23  * 

 24  * @author Administrator

 25  * 

 26  */

 27 public class MainActivity extends Activity implements OnClickListener {

 28     TimePickerDialog.OnTimeSetListener timeSetListener;

 29     DatePickerDialog.OnDateSetListener dateSetListener;

 30 

 31     @Override

 32     protected void onCreate(Bundle savedInstanceState) {

 33         super.onCreate(savedInstanceState);

 34         setContentView(R.layout.activity_main);

 35 

 36         Button button = (Button) findViewById(R.id.btn);

 37         button.setOnClickListener(this);

 38 

 39         Button button1 = (Button) findViewById(R.id.btn1);

 40         button1.setOnClickListener(this);

 41         Button button2 = (Button) findViewById(R.id.btn2);

 42         button2.setOnClickListener(this);

 43 

 44         Button button3 = (Button) findViewById(R.id.btn3);

 45         button3.setOnClickListener(this);

 46         // 日期Dialog的监听类

 47         dateSetListener = new DatePickerDialog.OnDateSetListener() {

 48 

 49             @Override

 50             public void onDateSet(DatePicker view, int year, int monthOfYear,

 51                     int dayOfMonth) {

 52                 Toast.makeText(getApplicationContext(),

 53                         year + "--" + monthOfYear + "--" + dayOfMonth,

 54                         Toast.LENGTH_SHORT).show();

 55 

 56             }

 57         };

 58         // 时间Dialog的监听类

 59         timeSetListener = new TimePickerDialog.OnTimeSetListener() {

 60 

 61             @Override

 62             public void onTimeSet(TimePicker view, int hourOfDay, int minute) {

 63                 Toast.makeText(getApplicationContext(),

 64                         hourOfDay + ":" + minute, Toast.LENGTH_SHORT).show();

 65             }

 66         };

 67     }

 68 

 69     @Override

 70     public void onClick(View v) {

 71         AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);

 72         Calendar calendar = Calendar.getInstance();

 73 

 74         final AlertDialog dialog;

 75         switch (v.getId()) {

 76         // 普通Dialog界面

 77         case R.id.btn:

 78             dialog = builder.create();

 79             dialog.setTitle("提醒");

 80             dialog.setIcon(R.drawable.ic_launcher);

 81             dialog.setMessage("登录失败");

 82             dialog.show();

 83             break;

 84         // 自定Dialog自定义界面

 85         case R.id.btn1: {

 86             dialog = builder.create();

 87             dialog.setTitle("提醒");

 88             dialog.setIcon(R.drawable.ic_launcher);

 89             // 加载界面

 90             LayoutInflater inflater = LayoutInflater.from(MainActivity.this);

 91             View view = inflater.inflate(R.layout.dialogtest, null);

 92             final EditText editText = (EditText) view

 93                     .findViewById(R.id.editText1);

 94             final EditText editText2 = (EditText) view

 95                     .findViewById(R.id.editText2);

 96             Button button = (Button) view.findViewById(R.id.okbtn);

 97             button.setOnClickListener(new OnClickListener() {

 98 

 99                 @Override

100                 public void onClick(View v) {

101                     Toast.makeText(

102                             getApplicationContext(),

103                             editText.getText().toString() + "-----"

104                                     + editText2.getText().toString(),

105                             Toast.LENGTH_SHORT).show();

106                     dialog.dismiss();

107                 }

108             });

109             // dialog加载界面

110             dialog.setView(view);

111             dialog.show();

112         }

113             break;

114         case R.id.btn2:

115             // 日期Dialog

116             DatePickerDialog datePickerDialog = new DatePickerDialog(

117                     MainActivity.this, dateSetListener,

118                     calendar.get(calendar.YEAR), calendar.get(calendar.MONTH),

119                     calendar.get(calendar.DAY_OF_MONTH));

120             // 时间Dialog

121             TimePickerDialog timePickerDialog = new TimePickerDialog(

122                     MainActivity.this, timeSetListener,

123                     calendar.get(calendar.HOUR_OF_DAY),

124                     calendar.get(calendar.MINUTE), true);

125             datePickerDialog.show();

126 

127             break;

128         case R.id.btn3: {

129             // PopupWindow

130             LayoutInflater inflater = LayoutInflater.from(MainActivity.this);

131             View view = inflater.inflate(R.layout.dialogtest, null);

132             final PopupWindow popupWindow = new PopupWindow(view, 320, 320);

133             Button button = (Button) view.findViewById(R.id.okbtn);

134             button.setOnClickListener(new OnClickListener() {

135 

136                 @Override

137                 public void onClick(View v) {

138                     // popupWindow消失

139                     popupWindow.dismiss();

140 

141                 }

142             });

143             // 在屏幕底部显示

144             popupWindow.showAtLocation(v, Gravity.BOTTOM, 0, 0);

145         }

146             break;

147         }

148 

149     }

150 }