linux项目工程资料-基于ARM-Linux的嵌入式视觉移动追踪系统，并通过Android APP进行无线控制.zip

package pers.hw.evtrack; import androidx.fragment.app.FragmentActivity; import androidx.fragment.app.Fragment; import androidx.fragment.app.FragmentManager; import androidx.fragment.app.FragmentTransaction; import android.app.Dialog; import android.app.AlertDialog; import android.os.StrictMode; import android.os.Message; import android.os.Bundle; import android.os.Handler; import android.util.DisplayMetrics; import android.view.View; import android.view.WindowManager; import android.view.ViewGroup; import android.view.MenuItem; import android.view.LayoutInflater; import android.view.ViewGroupOverlay; import android.view.View.OnClickListener; import android.graphics.drawable.Drawable; import android.graphics.drawable.ColorDrawable; import android.graphics.Color; import android.widget.*; import android.content.Context; import java.net.InetSocketAddress; import java.lang.reflect.Field; import java.util.Timer; import java.util.TimerTask; import pers.hw.evtrack.net.Buffer; import pers.hw.evtrack.net.TcpConnection; import pers.hw.evtrack.view.DialogUtils; public class MainActivity extends FragmentActivity { public static final int FRAG_MAX = 4; private FragmentComponent[] fc; private Dialog loadDialog; private TextView titleTv; private Toast toast; private Client client; private int fragIndex = FRAG_MAX; private PopupMenu popupMenu; private MainHandler mHandler = new MainHandler(); private final InetSocketAddress DEFAULT_SERVER_ADDR = new InetSocketAddress("192.168.5.1",18825); private InetSocketAddress serverAddr = DEFAULT_SERVER_ADDR; private int userType; private String userName; private String password; private Timer timer; private class MainHandler extends Handler { @Override public void handleMessage(Message msg) { // TODO: Implement this method switch (msg.what) { case 0: refreshConnectView(); toast.setText("连接已关闭"); toast.show(); break; case 1: refreshConnectView(); toast.setText("连接中断"); toast.show(); break; case 2: refreshConnectView(); toast.setText("处理异常"); toast.show(); break; case 7: refreshConnectView(); if (msg.arg1 == 1) { toast.setText("账号已在别处登录"); toast.show(); } break; case 10: clearDim(); DialogUtils.closeDialog(loadDialog); if (client.connection() != null) { toast.setText("连接成功"); toast.show(); initMainView(); } else { toast.setText("连接失败"); toast.show(); getWindow().getDecorView().setBackgroundColor(getResources().getColor(R.color.white)); getWindow().setStatusBarColor(getResources().getColor(R.color.primary)); getWindow().setNavigationBarColor(getResources().getColor(R.color.nav_bar)); setContentView(R.layout.activity_main); titleTv = findViewById(R.id.title_text); LinearLayout menuIcon = findViewById(R.id.menu_icon); initPopupMenu(menuIcon); menuIcon.setOnClickListener(new OnClickListener() { public void onClick(View v) { showPopupMenu(); } }); initFragmentComponent(); setSelect(0); } break; case 12: timer.cancel(); clearDim(); DialogUtils.closeDialog(loadDialog); switch (msg.arg1) { case -1: toast.setText("找不到服务器"); toast.show(); break; case 0: toast.setText("服务器连接成功"); toast.show(); initMainView(); break; case 1: toast.setText("密码错误，请重试"); toast.show(); try { client.connection().shutdown(); } catch (Exception e) {} break; case 2: toast.setText("用户名不存在"); toast.show(); try { client.connection().shutdown(); } catch (Exception e) {} break; case 3: toast.setText("用户ID未注册"); toast.show(); try { client.connection().shutdown(); } catch (Exception e) {} break; default: break; } break; case 21: toast.setText("摄像头复位成功"); toast.show(); break; case 22: if (msg.arg1 == client.userID) { toast.setText("状态复位成功"); } else { toast.setText("ID为" + msg.arg1 + "的用户复位了状态"); } toast.show(); break; case 50: // toast.setText(client.noticeMsg); // toast.show(); initNoticeDialog("消息", (String)msg.obj); break; case 80: toast.setText("image"); toast.show(); break; case 88: setSelect(0); break; case 100: toast.setText("用户权限不足"); toast.show(); break; default: break; } super.handleMessage(msg); } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.connect); StrictMode.setThreadPolicy( new StrictMode.ThreadPolicy.Builder().detectDiskReads().detectDiskWrites().detectNetwork().penaltyLog().build()); StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder().detectLeakedSqlLiteObjects().penaltyLog().penaltyDeath().build()); // requestPermission(); toast = Toast.makeText(this, "", Toast.LENGTH_SHORT); fc = new FragmentComponent[FRAG_MAX]; initConnectView(); } public Client getClient() { return this.client; } public Handler getHandler() { return this.mHandler; } public int dp2px(float dpValue) { WindowManager wm = (WindowManager) this.getSystemService(Context.WINDOW_SERVICE); DisplayMetrics dm = new DisplayMetrics(); wm.getDefaultDisplay().getMetrics(dm); float density = dm.density; return (int)(dpValue * d