連接WIFI時輸入密碼的Dialog

原創 coder_nice 2020-06-16 11:46
轉載地址：http://blog.csdn.net/liuhui_8989/article/details/22962649


版權聲明：本文爲博主原創文章，未經博主允許不得轉載。

目錄(?)[+]

參考網址：http://bbs.51cto.com/thread-976081-1.html

最終實現效果是點擊一個未保存密碼的WIFI信號時，彈出如下Dialog：


1、定義Dialog的佈局文件：

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<?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:gravity="center_horizontal"
 android:orientation="vertical"
 style="@style/DialogStyle">
 <EditText
 android:id="@+id/wifiDialogPsw"
 android:layout_width="match_parent"
 android:layout_height="wrap_content"
 android:password="true"
 android:singleLine="true"/>
 <LinearLayout
 android:layout_width="match_parent"
 android:layout_height="wrap_content"
 android:orientation="horizontal"
 android:layout_weight="2">
 <Button
 android:id="@+id/wifiDialogCancel"
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_gravity="center_horizontal"
 android:text="取消"
 android:layout_weight="1"/>
 <Button
 android:id="@+id/wifiDialogCertain"
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_gravity="center_horizontal"
 android:text="確定"
 android:layout_weight="1"/>
 </LinearLayout>
</LinearLayout>












 來自CODE的代碼片

WIFI_Dialog.XML








2、定義一個Dialog的子類

















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package com.wifi.utils;


import android.app.Dialog;
import android.content.Context;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;


import com.example.controlpcpro.R;


public class WifiPswDialog extends Dialog{
 private Button cancelButton;
 private Button okButton;
 private EditText pswEdit;
 private OnCustomDialogListener customDialogListener;
 public WifiPswDialog(Context context,OnCustomDialogListener customListener) {
 //OnCancelListener cancelListener) {
 super(context);
 // TODO Auto-generated constructor stub
 customDialogListener = customListener;
 
 }
 //定義dialog的回調事件
 public interface OnCustomDialogListener{
 void back(String str);
 }


 @Override
 protected void onCreate(Bundle savedInstanceState) {
 // TODO Auto-generated method stub
 super.onCreate(savedInstanceState);
 setContentView(R.layout.wifi_config_dialog);
 setTitle("請輸入密碼");
 pswEdit = (EditText)findViewById(R.id.wifiDialogPsw);
 cancelButton = (Button)findViewById(R.id.wifiDialogCancel);
 okButton = (Button)findViewById(R.id.wifiDialogCertain);
 cancelButton.setOnClickListener(buttonDialogListener);
 okButton.setOnClickListener(buttonDialogListener);
 
 }
 
 private View.OnClickListener buttonDialogListener = new View.OnClickListener() {


 @Override
 public void onClick(View view) {
 // TODO Auto-generated method stub
 if(view.getId() == R.id.wifiDialogCancel){
 pswEdit = null;
 customDialogListener.back(null);
 cancel();//自動調用dismiss();
 }
 else{
 customDialogListener.back(pswEdit.getText().toString());
 dismiss();
 }
 }
 };
 
}












 來自CODE的代碼片

WifiPswDialog








首先說明下Dialog中兩個Button的點擊事件的處理

















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<a target=_blank id="L8" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L8" rel="#L8" style="color: rgb(102, 102, 102); text-decoration: none;">  8</a>
<a target=_blank id="L9" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L9" rel="#L9" style="color: rgb(102, 102, 102); text-decoration: none;">  9</a>
<a target=_blank id="L10" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L10" rel="#L10" style="color: rgb(102, 102, 102); text-decoration: none;"> 10</a>
<a target=_blank id="L11" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L11" rel="#L11" style="color: rgb(102, 102, 102); text-decoration: none;"> 11</a>
<a target=_blank id="L12" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L12" rel="#L12" style="color: rgb(102, 102, 102); text-decoration: none;"> 12</a>





 public void onClick(View view) {
 // TODO Auto-generated method stub
 if(view.getId() == R.id.wifiDialogCancel){
 pswEdit = null;
 customDialogListener.back(null);
 cancel();//自動調用dismiss();
 }
 else{
 customDialogListener.back(pswEdit.getText().toString());
 dismiss();
 }
 }












 來自CODE的代碼片

click









對話框關閉時，調用dismiss()方法。點擊“取消”時調用cancel()方法，指不再需要執行對話框上的任何功能和動作，取消對話框會自動調用dismiss()方法。



實現從對話框中返回信息，如WIFI密碼


Dialog並沒有提供可以直接返回數據的方法，我們可以通過創建自己的監聽類實現
















<a target=_blank id="L1" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L1" rel="#L1" style="color: rgb(102, 102, 102); text-decoration: none;"> 1</a>
<a target=_blank id="L2" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L2" rel="#L2" style="color: rgb(102, 102, 102); text-decoration: none;"> 2</a>
<a target=_blank id="L3" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L3" rel="#L3" style="color: rgb(102, 102, 102); text-decoration: none;"> 3</a>
<a target=_blank id="L4" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L4" rel="#L4" style="color: rgb(102, 102, 102); text-decoration: none;"> 4</a>





//定義dialog的回調事件
 public interface OnCustomDialogListener{
 void back(String str);
 }












 來自CODE的代碼片

OnCustomDialogListener





同樣Dialog的構造方法也需要改變

















<a target=_blank id="L1" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L1" rel="#L1" style="color: rgb(102, 102, 102); text-decoration: none;"> 1</a>
<a target=_blank id="L2" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L2" rel="#L2" style="color: rgb(102, 102, 102); text-decoration: none;"> 2</a>
<a target=_blank id="L3" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L3" rel="#L3" style="color: rgb(102, 102, 102); text-decoration: none;"> 3</a>
<a target=_blank id="L4" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L4" rel="#L4" style="color: rgb(102, 102, 102); text-decoration: none;"> 4</a>
<a target=_blank id="L5" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L5" rel="#L5" style="color: rgb(102, 102, 102); text-decoration: none;"> 5</a>
<a target=_blank id="L6" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L6" rel="#L6" style="color: rgb(102, 102, 102); text-decoration: none;"> 6</a>





 public WifiPswDialog(Context context,OnCustomDialogListener customListener) {
 super(context);
 // TODO Auto-generated constructor stub
 customDialogListener = customListener;
 
 }












 來自CODE的代碼片

WifiPswDialog









然後我們需要在創建Dialog時候實現OnCustomDialogListener接口。


Dialog中如何傳出數據呢，這是在OnClick方法中傳出的。如代碼中的語句：


customDialogListener.back(null);


customDialogListener.back(pswEdit.getText().toString());


3、在Acitivity中創建Dialog
















<a target=_blank id="L1" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L1" rel="#L1" style="color: rgb(102, 102, 102); text-decoration: none;">  1</a>
<a target=_blank id="L2" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L2" rel="#L2" style="color: rgb(102, 102, 102); text-decoration: none;">  2</a>
<a target=_blank id="L3" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L3" rel="#L3" style="color: rgb(102, 102, 102); text-decoration: none;">  3</a>
<a target=_blank id="L4" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L4" rel="#L4" style="color: rgb(102, 102, 102); text-decoration: none;">  4</a>
<a target=_blank id="L5" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L5" rel="#L5" style="color: rgb(102, 102, 102); text-decoration: none;">  5</a>
<a target=_blank id="L6" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L6" rel="#L6" style="color: rgb(102, 102, 102); text-decoration: none;">  6</a>
<a target=_blank id="L7" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L7" rel="#L7" style="color: rgb(102, 102, 102); text-decoration: none;">  7</a>
<a target=_blank id="L8" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L8" rel="#L8" style="color: rgb(102, 102, 102); text-decoration: none;">  8</a>
<a target=_blank id="L9" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L9" rel="#L9" style="color: rgb(102, 102, 102); text-decoration: none;">  9</a>
<a target=_blank id="L10" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L10" rel="#L10" style="color: rgb(102, 102, 102); text-decoration: none;"> 10</a>
<a target=_blank id="L11" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L11" rel="#L11" style="color: rgb(102, 102, 102); text-decoration: none;"> 11</a>
<a target=_blank id="L12" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L12" rel="#L12" style="color: rgb(102, 102, 102); text-decoration: none;"> 12</a>
<a target=_blank id="L13" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L13" rel="#L13" style="color: rgb(102, 102, 102); text-decoration: none;"> 13</a>
<a target=_blank id="L14" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L14" rel="#L14" style="color: rgb(102, 102, 102); text-decoration: none;"> 14</a>
<a target=_blank id="L15" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L15" rel="#L15" style="color: rgb(102, 102, 102); text-decoration: none;"> 15</a>
<a target=_blank id="L16" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L16" rel="#L16" style="color: rgb(102, 102, 102); text-decoration: none;"> 16</a>
<a target=_blank id="L17" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L17" rel="#L17" style="color: rgb(102, 102, 102); text-decoration: none;"> 17</a>
<a target=_blank id="L18" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L18" rel="#L18" style="color: rgb(102, 102, 102); text-decoration: none;"> 18</a>
<a target=_blank id="L19" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L19" rel="#L19" style="color: rgb(102, 102, 102); text-decoration: none;"> 19</a>
<a target=_blank id="L20" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L20" rel="#L20" style="color: rgb(102, 102, 102); text-decoration: none;"> 20</a>
<a target=_blank id="L21" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L21" rel="#L21" style="color: rgb(102, 102, 102); text-decoration: none;"> 21</a>
<a target=_blank id="L22" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L22" rel="#L22" style="color: rgb(102, 102, 102); text-decoration: none;"> 22</a>
<a target=_blank id="L23" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L23" rel="#L23" style="color: rgb(102, 102, 102); text-decoration: none;"> 23</a>
<a target=_blank id="L24" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L24" rel="#L24" style="color: rgb(102, 102, 102); text-decoration: none;"> 24</a>
<a target=_blank id="L25" href="http://blog.csdn.net/liuhui_8989/article/details/22962649#L25" rel="#L25" style="color: rgb(102, 102, 102); text-decoration: none;"> 25</a>





WifiPswDialog pswDialog = new WifiPswDialog(ControlPCMainActivity.this,new OnCustomDialogListener() {
 @Override
 public void back(String str) {
 // TODO Auto-generated method stub
 wifiPassword = str;
 if(wifiPassword != null){
 int netId = localWifiUtils.AddWifiConfig(wifiResultList,wifiItemSSID, wifiPassword);
 Log.i("WifiPswDialog",String.valueOf(netId));
 if(netId != -1){
 localWifiUtils.getConfiguration();//添加了配置信息，要重新得到配置信息
 if(localWifiUtils.ConnectWifi(netId)){
 selectedItem.setBackgroundResource(R.color.green);
 }
 }
 else{
 Toast.makeText(ControlPCMainActivity.this, "網絡連接錯誤", Toast.LENGTH_SHORT).show();
 selectedItem.setBackgroundResource(R.color.burlywood);
 }
 }
 else{
 selectedItem.setBackgroundResource(R.color.burlywood);
 }
 }
});
pswDialog.show();












 來自CODE的代碼片

snippet_file_0.txt






創建Dialog時最主要的就是對OnCustomDialogListener接口的實現，對back()方法實現，back方法是對話框消失後執行的操作，返回的數據通過back()方法的參數str實現。


創建完成後Dialog的顯示只需要通過Dialog.show（）方法實現就可以了









project源碼：http://download.csdn.net/detail/liuhui_8989/7154671


有錯誤多多指出



















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