Android提高第十三篇之探祕藍芽隱藏API
阿新 • • 發佈：2019-01-31
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package com.testReflect;
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import java.util.ArrayList;
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import java.util.List;
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import android.app.Activity;
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import android.bluetooth.BluetoothAdapter;
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import android.bluetooth.BluetoothDevice;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.View;
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import android.widget.AdapterView;
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import android.widget.ArrayAdapter;
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import android.widget.Button;
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import android.widget.ListView;
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import android.widget.Toast;
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public class testReflect extends Activity {
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Button btnSearch, btnShow;
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ListView lvBTDevices;
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ArrayAdapter adtDevices;
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List lstDevices = new ArrayList();
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BluetoothDevice btDevice;
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BluetoothAdapter btAdapt;
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.main);
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btnSearch = (Button) this.findViewById(R.id.btnSearch);
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btnSearch.setOnClickListener(new ClickEvent());
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btnShow = (Button) this.findViewById(R.id.btnShow);
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btnShow.setOnClickListener(new ClickEvent());
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lvBTDevices = (ListView) this.findViewById(R.id.ListView01);
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adtDevices = new ArrayAdapter(testReflect.this,
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android.R.layout.simple_list_item_1, lstDevices);
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lvBTDevices.setAdapter(adtDevices);
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lvBTDevices.setOnItemClickListener(new ItemClickEvent());
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btAdapt = BluetoothAdapter.getDefaultAdapter();// 初始化本機藍芽功能
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if (btAdapt.getState() == BluetoothAdapter.STATE_OFF)// 開藍芽
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btAdapt.enable();
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// 註冊Receiver來獲取藍芽裝置相關的結果
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IntentFilter intent = new IntentFilter();
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intent.addAction(BluetoothDevice.ACTION_FOUND);
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intent.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
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registerReceiver(searchDevices, intent);
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}
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private BroadcastReceiver searchDevices = new BroadcastReceiver() {
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public void onReceive(Context context, Intent intent) {
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String action = intent.getAction();
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Bundle b = intent.getExtras();
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Object[] lstName = b.keySet().toArray();
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// 顯示所有收到的訊息及其細節
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for (int i = 0; i < lstName.length; i++) {
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String keyName = lstName[i].toString();
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Log.e(keyName, String.valueOf(b.get(keyName)));
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}
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// 搜尋裝置時，取得裝置的MAC地址
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if (BluetoothDevice.ACTION_FOUND.equals(action)) {
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BluetoothDevice device = intent
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.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
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if (device.getBondState() == BluetoothDevice.BOND_NONE) {
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String str = "未配對|" + device.getName() + "|" + device.getAddress();
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lstDevices.add(str); // 獲取裝置名稱和mac地址
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adtDevices.notifyDataSetChanged();
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}
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}
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}
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};
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class ItemClickEvent implements AdapterView.OnItemClickListener {
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@Override
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public void onItemClick(AdapterView arg0, View arg1, int arg2,
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long arg3) {
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btAdapt.cancelDiscovery();
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String str = lstDevices.get(arg2);
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String[] values = str.split("//|");
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String address=values[2];
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btDevice = btAdapt.getRemoteDevice(address);
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try {
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if(values[0].equals("未配對"))
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{
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Toast.makeText(testReflect.this, "由未配對轉為已配對", 500).show();
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ClsUtils.createBond(btDevice.getClass(), btDevice);
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}
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else if(values[0].equals("已配對"))
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{
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Toast.makeText(testReflect.this, "由已配對轉為未配對", 500).show();
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ClsUtils.removeBond(btDevice.getClass(), btDevice);
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}
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} catch (Exception e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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}
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/**
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* 按鍵處理
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* @author GV
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*
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*/
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class ClickEvent implements View.OnClickListener {
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@Override
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public void onClick(View v) {
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if (v == btnSearch) {//搜尋附近的藍芽裝置
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lstDevices.clear();
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Object[] lstDevice = btAdapt.getBondedDevices().toArray();
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for (int i = 0; i < lstDevice.length; i++) {
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BluetoothDevice device=(BluetoothDevice)lstDevice[i];
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String str = "已配對|" + device.getName() + "|" + device.getAddress();
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lstDevices.add(str); // 獲取裝置名稱和mac地址
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adtDevices.notifyDataSetChanged();
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}
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// 開始搜尋
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setTitle("本機藍芽地址：" + btAdapt.getAddress());
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btAdapt.startDiscovery();
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}
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else if(v==btnShow){//顯示BluetoothDevice的所有方法和常量，包括隱藏API
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ClsUtils.printAllInform(btDevice.getClass());
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}
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}
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}
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