MainActivity類:(處理wifi消息,加載UI) /** * 主界面 * @author ZHF * */ public class MainActivity extends Activity implements EventHandler{ //消息事件 public static final int m_nWifiSearchTimeOut = 0;// 搜索超時 public static final int m_nWTScanResult = 1;// 搜索到wifi返回結果 public static final int m_nWTConnectResult = 2;// 鏈接上wifi熱點 public static final int m_nCreateAPResult = 3;// 建立熱點結果 public static final int m_nUserResult = 4;// 用戶上線人數更新命令(待定) public static final int m_nWTConnected = 5;// 點擊鏈接後斷開wifi,3.5秒後刷新adapter //一些常量 public static final String PACKAGE_NAME = "com.zhf.wifidemo.wifi"; //應用包名 public static final String FIRST_OPEN_KEY = "version"; //版本號信息 public static final String WIFI_AP_HEADER = "zhf_"; public static final String WIFI_AP_PASSWORD ="zhf12345"; //wifi操做事件(枚舉)-->方便彈出對話框處理事件 private int wFOperateEnum = WFOperateEnum.NOTHING; //三個重要的類 public WFSearchProcess m_wtSearchProcess; //WiFi搜索進度條線程 public WifiAdmin m_wiFiAdmin; //Wifi管理類 public CreateAPProcess m_createAPProcess; //建立Wifi熱點線程 //相關控件 private WFSearchAnimationFrameLayout m_FrameLWTSearchAnimation; //自定義雷達動畫布局 private GifView m_gifRadar; //wifi信號動畫布局 private LinearLayout m_linearLCreateAP; //建立熱點View private ProgressBar m_progBarCreatingAP; //建立熱點進度條 private TextView m_textVPromptAP; //建立熱點進度條文字 private Button m_btnBack; //左上角返回按鈕 private Button m_btnSearchWF; //右上角wifi搜索按鈕 private Button m_btnCreateWF; //建立wifi熱點 private ListView m_listVWT; //顯示信息 private LinearLayout m_LinearLDialog; //提醒對話框 private TextView m_textVContentDialog; //對話框文本內容 private Button m_btnConfirmDialog, m_btnCancelDialog; //提醒對話框上的按鈕 private TextView m_textVWTPrompt; //中間文字提示 private boolean m_isFirstOpen = true; //標記是不是第一次打開 ArrayList<ScanResult> m_listWifi = new ArrayList();//檢測到熱點信息列表 private WTAdapter m_wTAdapter; //網絡列表適配器 public Handler mHandler = new Handler() { public void handleMessage(android.os.Message msg) { switch (msg.what) { case m_nWifiSearchTimeOut: // 搜索超時 m_wtSearchProcess.stop(); m_FrameLWTSearchAnimation.stopAnimation(); m_listWifi.clear(); //網絡列表 //設置控件 m_textVWTPrompt.setVisibility(View.VISIBLE); m_textVWTPrompt.setText("須要從新搜索,點右上角從新搜索或建立新的熱點..."); break; case m_nWTScanResult: //掃描到結果 m_listWifi.clear(); if(m_wiFiAdmin.mWifiManager.getScanResults() != null) { for (int i = 0; i < m_wiFiAdmin.mWifiManager.getScanResults().size(); i++) { ScanResult scanResult = m_wiFiAdmin.mWifiManager.getScanResults().get(i); //和指定鏈接熱點比較,將其餘的過濾掉! if(scanResult.SSID.startsWith(WIFI_AP_HEADER)) { m_listWifi.add(scanResult); } } if(m_listWifi.size() > 0) { m_wtSearchProcess.stop(); m_FrameLWTSearchAnimation.stopAnimation(); m_textVWTPrompt.setVisibility(View.GONE); //更新列表,顯示出搜索到的熱點 m_wTAdapter.setData(m_listWifi); m_wTAdapter.notifyDataSetChanged(); } } break; case m_nWTConnectResult: //鏈接結果 m_wTAdapter.notifyDataSetChanged(); //刷新適配器數據 break; case m_nCreateAPResult: //建立wifi熱點結果 m_createAPProcess.stop(); m_progBarCreatingAP.setVisibility(View.GONE); //旋轉進度條 if((m_wiFiAdmin.getWifiApState() == 3 || m_wiFiAdmin.getWifiApState() == 13) && (m_wiFiAdmin.getApSSID().startsWith(WIFI_AP_HEADER))) { //設置控件 m_textVWTPrompt.setVisibility(View.GONE); m_linearLCreateAP.setVisibility(View.VISIBLE); m_btnCreateWF.setVisibility(View.VISIBLE); m_gifRadar.setVisibility(View.VISIBLE); m_btnCreateWF.setBackgroundResource(R.drawable.x_ap_close); m_textVPromptAP.setText("熱點建立成功!"+ "\n熱點名:"+ m_wiFiAdmin.getApSSID()+ "\n鏈接密碼:zhf12345"); } else { m_btnCreateWF.setVisibility(View.VISIBLE); m_btnCreateWF.setBackgroundResource(R.drawable.x_wt_create); m_textVPromptAP.setText("熱點建立失敗,您能夠從新建立或者搜索其它熱點"); } break; case m_nUserResult : //更新用戶上線人數 break; case m_nWTConnected: //點擊鏈接後斷開wifi,3.5s後刷新 m_wTAdapter.notifyDataSetChanged(); break; } }; }; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.wt_main); //搜索Wifi m_wtSearchProcess = new WFSearchProcess(this); //建立Wifi熱點 m_createAPProcess = new CreateAPProcess(this); //wifi管理類 m_wiFiAdmin = WifiAdmin.getInstance(this); //初始化View initView(); } /**初始化View**/ private void initView() { // 監聽廣播 WIFIBroadcast.ehList.add(this); /******************************實例化佈局**************************************/ m_linearLCreateAP = (LinearLayout) findViewById(R.id.create_ap_llayout_wt_main); //建立熱點View m_progBarCreatingAP = (ProgressBar) findViewById(R.id.creating_progressBar_wt_main); //建立熱點進度條 m_textVPromptAP = (TextView) findViewById(R.id.prompt_ap_text_wt_main); //建立熱點進度條文字 m_FrameLWTSearchAnimation = ((WFSearchAnimationFrameLayout) findViewById(R.id.search_animation_wt_main));// 搜索時的動畫 m_listVWT = ((ListView) findViewById(R.id.wt_list_wt_main));// 搜索到的熱點listView //注意此處 m_wTAdapter = new WTAdapter(this, m_listWifi); m_listVWT.setAdapter(m_wTAdapter); m_textVWTPrompt = (TextView) findViewById(R.id.wt_prompt_wt_main); //中間提醒文字 m_gifRadar = (GifView) findViewById(R.id.radar_gif_wt_main); //gif動畫 //提醒對話框佈局 m_LinearLDialog = (LinearLayout) findViewById(R.id.dialog_layout_wt_main); m_textVContentDialog = (TextView) findViewById(R.id.content_text_wtdialog); m_btnConfirmDialog = (Button) findViewById(R.id.confirm_btn_wtdialog); m_btnCancelDialog = (Button) findViewById(R.id.cancel_btn_wtdialog); //左上角返回鍵 m_btnBack = (Button) findViewById(R.id.back_btn_wt_main); m_btnBack.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { onBackPressed(); //至關於調用系統返回鍵,結束當前Activity } }); //右上角搜索熱點按鈕 m_btnSearchWF = (Button) findViewById(R.id.search_btn_wt_main); m_btnSearchWF.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if(!m_wtSearchProcess.running) { //搜索線程沒有開啓 //1.當前熱點或wifi鏈接着 WIFI_STATE_ENABLED 3 //WIFI_AP_STATE_ENABLED 13 if(m_wiFiAdmin.getWifiApState() == 3 || m_wiFiAdmin.getWifiApState() == 13) { wFOperateEnum = WFOperateEnum.SEARCH; //搜索wifi事件 m_LinearLDialog.setVisibility(View.VISIBLE); ///wifi提示對話框顯示 m_textVContentDialog.setText("是否關閉當前熱點去搜索其餘熱點?"); return; //跳出此方法,交由對話框來處理事件 } //2.當前沒有熱點或wifi鏈接着 if(!m_wiFiAdmin.mWifiManager.isWifiEnabled()) { //若是wifi沒打開 m_wiFiAdmin.OpenWifi(); } m_textVWTPrompt.setVisibility(View.VISIBLE); //中間提示文字 m_textVWTPrompt.setText("正在搜索附近的熱點..."); m_linearLCreateAP.setVisibility(View.GONE); //建立wifi熱點佈局消失 m_gifRadar.setVisibility(View.GONE); //熱點鏈接動畫消失 m_btnCreateWF.setBackgroundResource(R.drawable.x_wt_create); //更改按鈕文字「建立」 //開始搜索wifi m_wiFiAdmin.startScan(); m_wtSearchProcess.start(); //開啓搜索線程 m_FrameLWTSearchAnimation.startAnimation(); //開啓波紋動畫 }else {//搜索線程開啓着,再次點擊按鈕 //從新啓動 m_wtSearchProcess.stop(); m_wiFiAdmin.startScan(); //開始搜索wifi m_wtSearchProcess.start(); } } }); //中間建立wifi熱點按鈕 m_btnCreateWF = (Button) findViewById(R.id.create_btn_wt_main); m_btnCreateWF.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if(m_wiFiAdmin.getWifiApState() == 4) { // WIFI_STATE_UNKNOWN Toast.makeText(getApplicationContext(),"您的設備不支持熱點建立!", Toast.LENGTH_SHORT).show(); return; } if(m_wiFiAdmin.mWifiManager.isWifiEnabled()) { //目前連着wifi wFOperateEnum = WFOperateEnum.CREATE; //wifi熱點建立事件 m_LinearLDialog.setVisibility(View.VISIBLE); //對話框可用 m_textVContentDialog.setText("建立熱點會關閉當前的WiFi,確認繼續?"); return; } if((m_wiFiAdmin.getWifiApState() == 3 || m_wiFiAdmin.getWifiApState() == 13) && (!m_wiFiAdmin.getApSSID().startsWith(WIFI_AP_HEADER))) {//目前鏈接着其餘熱點名 wFOperateEnum = WFOperateEnum.CREATE; //wifi熱點建立事件 m_LinearLDialog.setVisibility(View.VISIBLE); m_textVContentDialog.setText("系統熱點被佔用,點肯定開啓熱點以傳輸文件!"); return; } if (((m_wiFiAdmin.getWifiApState() == 3) || (m_wiFiAdmin.getWifiApState() == 13)) && (m_wiFiAdmin.getApSSID().startsWith(WIFI_AP_HEADER))) {//目前鏈接着本身指定的Wifi熱點 wFOperateEnum = WFOperateEnum.CLOSE; //wifi熱點關閉事件 m_LinearLDialog.setVisibility(View.VISIBLE); m_textVContentDialog.setText("關閉熱點會中斷當前傳輸,您肯定這麼作?"); return; } if(m_wtSearchProcess.running) { m_wtSearchProcess.stop(); //中止線程 m_FrameLWTSearchAnimation.stopAnimation(); //中止動畫 } /******************點擊建立熱點時沒有鏈接wifi或熱點的狀況*****************************/ //關閉Wifi m_wiFiAdmin.closeWifi(); //建立熱點(名字,密碼,加密類型,wifi/ap類型) m_wiFiAdmin.createWifiAP(m_wiFiAdmin.createWifiInfo(WIFI_AP_HEADER + getLocalHostName(), WIFI_AP_PASSWORD, 3, "ap"), true); m_createAPProcess.start(); //開啓建立熱點線程 //將wifi信息列表設置到listview中 m_listWifi.clear(); m_wTAdapter.setData(m_listWifi); m_wTAdapter.notifyDataSetChanged(); //設置佈局 m_linearLCreateAP.setVisibility(View.VISIBLE); //熱點佈局可用 m_progBarCreatingAP.setVisibility(View.VISIBLE); m_textVPromptAP.setText("正在建立熱點"); //進度條文字 m_btnCreateWF.setVisibility(View.GONE); //點擊一次不可再點 m_textVWTPrompt.setVisibility(View.GONE); } }); //對話框確認按鈕 m_btnConfirmDialog.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { m_LinearLDialog.setVisibility(View.GONE); //讓對話框佈局消失 switch (wFOperateEnum) { //根據wifi操做事件 case WFOperateEnum.CLOSE: //關閉wifi熱點 //設置佈局 m_textVWTPrompt.setVisibility(View.VISIBLE); m_textVWTPrompt.setText("熱點已關閉!能夠進行其餘操做了!"); //中間提醒文字 m_btnCreateWF.setBackgroundResource(R.drawable.x_wt_create); //按鈕文字改回「建立」 m_gifRadar.setVisibility(View.GONE); //熱點動畫中止 m_linearLCreateAP.setVisibility(View.GONE); //下部建立熱點佈局不可用 //關閉熱點 m_wiFiAdmin.createWifiAP(m_wiFiAdmin.createWifiInfo(m_wiFiAdmin.getApSSID(), "zhf123456", 3, "ap"), false); break; case WFOperateEnum.CREATE: //建立wifi熱點 if(m_wtSearchProcess.running) { m_wtSearchProcess.stop(); //搜索wifi線程中止 m_FrameLWTSearchAnimation.stopAnimation(); //搜索wifi動畫中止 } //關閉wifi m_wiFiAdmin.closeWifi(); //建立WiFi熱點 m_wiFiAdmin.createWifiAP(m_wiFiAdmin.createWifiInfo(WIFI_AP_HEADER + getLocalHostName(), WIFI_AP_PASSWORD, 3, "ap"),true); m_createAPProcess.start(); //刷新listView佈局 m_listWifi.clear(); m_wTAdapter.setData(m_listWifi); m_wTAdapter.notifyDataSetChanged(); //設置佈局 m_linearLCreateAP.setVisibility(View.VISIBLE); m_progBarCreatingAP.setVisibility(View.VISIBLE); //旋轉進度條 m_btnCreateWF.setVisibility(View.GONE); m_textVWTPrompt.setVisibility(View.GONE); m_textVPromptAP.setText("正在建立熱點..."); //進度條文字 break; case WFOperateEnum.SEARCH: //搜索可用熱點 //設置佈局 m_textVWTPrompt.setVisibility(View.VISIBLE); m_textVWTPrompt.setText("正在搜索附近的熱點..."); m_linearLCreateAP.setVisibility(View.GONE); //建立熱點佈局不可用 m_btnCreateWF.setVisibility(View.VISIBLE); m_btnCreateWF.setBackgroundResource(R.drawable.x_wt_create); //按鈕文字改回「建立」 m_gifRadar.setVisibility(View.GONE); //熱點動畫中止 m_linearLCreateAP.setVisibility(View.GONE); //下部建立熱點佈局不可用 //搜索熱點線程關閉 if (m_createAPProcess.running) m_createAPProcess.stop(); //關閉熱點 m_wiFiAdmin.createWifiAP(m_wiFiAdmin.createWifiInfo(m_wiFiAdmin.getApSSID(), WIFI_AP_PASSWORD, 3, "ap"),false); //打開wifi m_wiFiAdmin.OpenWifi(); m_wtSearchProcess.start(); m_FrameLWTSearchAnimation.startAnimation(); break; } } }); //對話框取消按鈕事件 m_btnCancelDialog.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { //對話框佈局消失 m_LinearLDialog.setVisibility(View.GONE); } }); } /**Wifi是否鏈接**/ private boolean isWifiConnect() { boolean isConnect = true; //用於網絡鏈接狀態的檢測 ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); if(!cm.getNetworkInfo(ConnectivityManager.TYPE_WIFI).isConnected()) isConnect = false; return isConnect; } /**獲取wifi熱點狀態**/ public boolean getWifiApState() { try { WifiManager localWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE); Method m = localWifiManager.getClass().getMethod("getWifiApState", new Class[0]); int i = (Integer)(m.invoke(localWifiManager, new Object[0])); return (3 == i) || (13 == i); //WIFI_STATE_ENABLED 3 //WIFI_AP_STATE_ENABLED 13 } catch (Exception e) { e.printStackTrace(); } return false; } /**獲取手機信息**/ public String getLocalHostName() { String str1 = Build.BRAND; //主板 String str2 = Build.MODEL; //機型 if (-1 == str2.toUpperCase().indexOf(str1.toUpperCase())) str2 = str1 + "_" + str2; return str2; } private void init() { //線程是否在運行 if(this.m_wtSearchProcess.running || this.m_createAPProcess.running) { return; } //沒有鏈接上wifi或者是wifi熱點 if(!isWifiConnect() && !getWifiApState()) { m_wiFiAdmin.OpenWifi(); m_wtSearchProcess.start(); //開啓搜索wifi超時檢測線程 m_wiFiAdmin.startScan(); //開啓搜索wifi //開啓搜索動畫 m_FrameLWTSearchAnimation.startAnimation(); //設置控件 m_textVWTPrompt.setVisibility(View.VISIBLE); m_textVWTPrompt.setText(" 正在搜索附近的熱點..."); m_linearLCreateAP.setVisibility(View.GONE); m_btnCreateWF.setBackgroundResource(R.drawable.x_wt_create); } //鏈接上wifi if(isWifiConnect()) { this.m_wiFiAdmin.startScan(); this.m_wtSearchProcess.start(); this.m_FrameLWTSearchAnimation.startAnimation(); //設置控件 this.m_textVWTPrompt.setVisibility(0); this.m_textVWTPrompt.setText("正在搜索附近的熱點..."); this.m_linearLCreateAP.setVisibility(View.GONE); this.m_btnCreateWF.setBackgroundResource(R.drawable.x_wt_create); this.m_gifRadar.setVisibility(View.GONE); m_listWifi.clear(); if(m_wiFiAdmin.mWifiManager.getScanResults() != null) { for (int i = 0; i < m_wiFiAdmin.mWifiManager.getScanResults().size(); i++) { //識別出本身自定鏈接的wifi if(m_wiFiAdmin.mWifiManager.getScanResults().get(i).SSID.startsWith(WIFI_AP_HEADER)) { m_listWifi.add(m_wiFiAdmin.mWifiManager.getScanResults().get(i)); //將指定wifi添加進去 } } m_wTAdapter.setData(m_listWifi); //將鏈接的信息添加到listView中 m_wTAdapter.notifyDataSetChanged(); } //鏈接上wifi熱點 if(getWifiApState()){ if(m_wiFiAdmin.getApSSID().startsWith(WIFI_AP_HEADER)) { //設置控件 m_textVWTPrompt.setVisibility(View.GONE); m_linearLCreateAP.setVisibility(View.VISIBLE); m_progBarCreatingAP.setVisibility(View.GONE); m_btnCreateWF.setVisibility(View.VISIBLE); m_gifRadar.setVisibility(View.VISIBLE); m_btnCreateWF.setBackgroundResource(R.drawable.x_ap_close); m_textVPromptAP.setText("\n熱點名:"+ m_wiFiAdmin.getApSSID() + "\n鏈接密碼:zhf12345"); } } } } @Override protected void onDestroy() { // TODO Auto-generated method stub super.onDestroy(); WIFIBroadcast.ehList.remove(this); } @Override public void handleConnectChange() { Message msg = mHandler.obtainMessage(m_nWTConnectResult); mHandler.sendMessage(msg); } @Override public void scanResultsAvaiable() { Message msg = mHandler.obtainMessage(m_nWTScanResult); mHandler.sendMessage(msg); } @Override public void wifiStatusNotification() { m_wiFiAdmin.mWifiManager.getWifiState(); //獲取當前wifi狀態 } }
貌似有點長。。。簡單說明一下:java
1.首先,初始化主界面(xml有些複雜,慢慢理一下就行了,不是什麼大問題)接下來,處理三個重要的按鈕事件:右上角的搜索wifi按鈕、中間建立或關閉熱點按鈕、對話框中肯定按鈕。處理前二者事件時,需關注當前wifi狀態,若爲佔用,需彈出提醒對話框來根據當前WiFi操做(WFOperateEnum類中定義好了)事件,來建立、關閉、搜索等具體事務。android
2.之因此定義廣播接收者,是爲了監聽當wifi狀態發生變化時,可以及時更新界面網絡
廣播接收者WIFIBroadcast類:
ide
package com.zhf.wifidemo.broadcast; import java.util.ArrayList; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.net.wifi.WifiManager; import android.util.Log; /** * 監聽wifi熱點變化 * @author ZHF * */ public class WIFIBroadcast extends BroadcastReceiver{ public static ArrayList<EventHandler> ehList = new ArrayList<EventHandler>(); @Override public void onReceive(Context context, Intent intent) { //搜索到wifi熱點結果的廣播: "android.net.wifi.SCAN_RESULTS" if(intent.getAction().endsWith(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION)) { Log.i("WTScanResults---->掃描到了可用網絡---->", "android.net.wifi.SCAN_RESULTS"); //遍歷通知各個監聽接口 for(int i = 0; i < ehList.size(); i++) { ((EventHandler)ehList.get(i)).scanResultsAvaiable(); } //wifi打開或關閉狀態變化 "android.net.wifi.WIFI_STATE_CHANGED" }else if(intent.getAction().endsWith(WifiManager.WIFI_STATE_CHANGED_ACTION)) { Log.i("WTScanResults----->wifi狀態變化--->", "android.net.wifi.WIFI_STATE_CHANGED"); //這裏不須要鏈接一個SSID(wifi名稱) for(int j = 0; j < ehList.size(); j++) { ((EventHandler)ehList.get(j)).wifiStatusNotification(); } //鏈接上一個SSID後發出的廣播,(注:與android.net.wifi.WIFI_STATE_CHANGED的區別) }else if(intent.getAction().endsWith(WifiManager.NETWORK_STATE_CHANGED_ACTION)) { Log.i("WTScanResults----->網絡狀態變化---->", "android.net.wifi.STATE_CHANGE"); for(int m = 0; m < ehList.size(); m++) { ((EventHandler)ehList.get(m)).handleConnectChange(); } } } /** * 事件監聽接口 * @author ZHF * */ public static abstract interface EventHandler { /**處理鏈接變化事件**/ public abstract void handleConnectChange(); /**掃描結果是有效事件**/ public abstract void scanResultsAvaiable(); /**wifi狀態變化事件**/ public abstract void wifiStatusNotification(); } }
說明:監聽系統wifi狀態變化,內部定義了一個事件處理接口,當wifi狀態發生變化時,讓其實現類去發送消息更新界面。
佈局
CreateAPProcess類:
動畫
package com.zhf.wifidemo.ui; import android.net.wifi.WifiManager; import android.os.Message; import com.zhf.wifidemo.wifi.MainActivity; /** * 建立Wifi熱點 * @author ZHF * */ public class CreateAPProcess implements Runnable{ public MainActivity context; public boolean running = false; private long startTime = 0L; private Thread thread = null; public CreateAPProcess(MainActivity context) { super(); this.context = context; } @Override public void run() { while(true) { if(!running) return; //WIFI_STATE_ENABLED 3 //WIFI_AP_STATE_ENABLED 13 if((context.m_wiFiAdmin.getWifiApState() == WifiManager.WIFI_STATE_ENABLED) || (context.m_wiFiAdmin.getWifiApState() == 13) || (System.currentTimeMillis() - this.startTime >= 30000L)){ //wifi可用 或 熱點可用 Message msg = context.mHandler.obtainMessage(context.m_nCreateAPResult); context.mHandler.sendMessage(msg); } try { Thread.sleep(5L); } catch (Exception e) { e.printStackTrace(); } } } public void start() { try { thread = new Thread(this); running = true; startTime = System.currentTimeMillis(); thread.start(); //開啓線程 } catch (Exception e) { e.printStackTrace(); } } public void stop() { try { running = false; thread = null; startTime = 0L; } catch (Exception e) { // TODO: handle exception } } }