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@ -1,497 +0,0 @@
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package com.example.sixaunyi;
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import static androidx.constraintlayout.motion.utils.Oscillator.TAG;
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import androidx.appcompat.app.AppCompatActivity;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.res.TypedArray;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.Path;
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import android.graphics.RectF;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.Message;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.Button;
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import android.widget.ImageButton;
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import android.widget.ImageView;
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import android.widget.TextView;
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import android.widget.Toast;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.net.DatagramPacket;
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import java.net.DatagramSocket;
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import java.net.InetAddress;
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import java.net.*;
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import android.os.Bundle;
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public class VideoActivity extends AppCompatActivity {
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private final static String SEND_to_IP = "192.168.39.47"; //填写接收方IP
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private final static String Recieve_IP = "192.168.39.47";//填服务器IP，与send_to_IP为同一个
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private final static int SEND_PORT = 8888; //发送端口号
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private final static int RECEIVE_PORT = 9999; //接收端口号
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private static boolean listenStatus = true; //接收线程的循环标识
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private byte[] buf;
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static Bitmap bp;
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private DatagramSocket reveSocket;
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private DatagramSocket sendSocket;
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private static InetAddress serverAddr;
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private SendHandler sendHandler = new SendHandler();
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private ReceiveHandler receiveHandler = new ReceiveHandler();
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private Button Trans_to_Detect;
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private ImageView imgShow;
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private Button btn;
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private ImageButton Forward_btn;
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private ImageButton Back_btn;
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private ImageButton Left_btn;
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private ImageButton Right_btn;
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private ImageButton Down_btn;
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private ImageButton Up_btn;
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private ImageButton TurnLeft_btn;
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private ImageButton TurnRight_btn;
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private ImageButton Setting_btn;
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private ImageButton TakeOff_btn;
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private Button Landing_btn;
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private String angle;
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private float distance;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_control);
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imgShow = findViewById(R.id.imageView);
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Forward_btn = findViewById(R.id.forward_button);
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Back_btn = findViewById(R.id.backward_button);
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Left_btn = findViewById(R.id.left_button);
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Right_btn = findViewById(R.id.right_button);
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Down_btn = findViewById(R.id.down_button);
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Up_btn = findViewById(R.id.up_button);
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TurnLeft_btn = findViewById(R.id.rotate_left_button);
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TurnRight_btn = findViewById(R.id.rotate_right_button);
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TakeOff_btn = findViewById(R.id.takeoff_button);
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TakeOff_btn.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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new UdpReceiveThread().start();
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Log.i(TAG, "onClick: BBBBBBBBackward");
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}
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});
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Setting_btn = findViewById(R.id.setting_button);
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Button_Init();
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Intent i = getIntent();
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distance = i.getFloatExtra("Distance",0);
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angle = i.getStringExtra("Angle");
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}
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private void Button_Init(){
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Forward_btn.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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try {
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InitUdpSend("FORWARD");
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} catch (UnknownHostException e) {
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throw new RuntimeException(e);
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}
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Log.i(TAG, "onClick: FFFFFFFForward");
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}
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});
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Back_btn.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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try {
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InitUdpSend("BACKWORD");
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} catch (UnknownHostException e) {
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throw new RuntimeException(e);
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}
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Log.i(TAG, "onClick: BBBBBBBBackward");
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}
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});
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Left_btn.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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try {
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InitUdpSend("LEFT");
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} catch (UnknownHostException e) {
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throw new RuntimeException(e);
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}
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Log.i(TAG, "onClick: LLLLLLLLLLLLeft");
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}
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});
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Right_btn.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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try {
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InitUdpSend("RIGHT");
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} catch (UnknownHostException e) {
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throw new RuntimeException(e);
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}
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Log.i(TAG, "onClick: RRRRRRRRRRight");
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}
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});
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Down_btn.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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try {
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InitUdpSend("DOWN");
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} catch (UnknownHostException e) {
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throw new RuntimeException(e);
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}
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Log.i(TAG, "onClick: DDDDDDDDDown");
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}
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});
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Up_btn.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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try {
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InitUdpSend("UP");
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} catch (UnknownHostException e) {
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throw new RuntimeException(e);
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}
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Log.i(TAG, "onClick: UUUUUUUUUUUUUUp");
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}
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});
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TurnLeft_btn.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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try {
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InitUdpSend("TURN_LEFT");
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} catch (UnknownHostException e) {
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throw new RuntimeException(e);
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}
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Log.i(TAG, "onClick: TTTTTTTTTurnLLLLLLLLLLeft");
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}
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});
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TurnRight_btn.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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try {
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InitUdpSend("TURN_RIGHT");
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} catch (UnknownHostException e) {
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throw new RuntimeException(e);
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}
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Log.i(TAG, "onClick: TTTTTTTTTTTTurnRRRRRRRRRRight");
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}
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});
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Setting_btn.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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Intent intent = new Intent(VideoActivity.this, SettingActivity.class);
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startActivity(intent);
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}
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});
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}
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class ReceiveHandler extends Handler{
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@Override
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public void handleMessage(Message msg) {
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super.handleMessage(msg);
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imgShow.setImageBitmap(bp);
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}
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}
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class SendHandler extends Handler {
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@Override
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public void handleMessage(Message msg) {
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super.handleMessage(msg);
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}
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}
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/*
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* UDP数据接受线程
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* */
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public class UdpReceiveThread extends Thread
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{
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@Override
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public void run()
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{
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try
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{
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reveSocket = new DatagramSocket(RECEIVE_PORT);
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serverAddr = InetAddress.getByName(Recieve_IP);
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//ByteArrayOutputStream out = new ByteArrayOutputStream();
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while(listenStatus)
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{
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byte[] inBuf= new byte[1024*1024];
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DatagramPacket inPacket=new DatagramPacket(inBuf,inBuf.length);
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//out.write(inPacket.getData());
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reveSocket.receive(inPacket);
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if(!inPacket.getAddress().equals(serverAddr)){
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throw new IOException("未知名的报文");
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}
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ByteArrayInputStream in = new ByteArrayInputStream(inPacket.getData());
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receiveHandler.sendEmptyMessage(1);
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bp = BitmapFactory.decodeStream(in);
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}
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} catch (Exception e)
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{
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e.printStackTrace();
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}finally {
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// reveSocket.close();
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}
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}
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}
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/*
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* UDP数据发送线程
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* */
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public static class UdpSendThread extends Thread {
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private InetAddress sendToIP; // 目标 IP 地址
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private int sendPort; // 目标端口号
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private byte[] sendData; // 要发送的数据
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public UdpSendThread(InetAddress sendToIP, int sendPort, byte[] sendData) {
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this.sendToIP = sendToIP;
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this.sendPort = sendPort;
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this.sendData = sendData;
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}
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@Override
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public void run() {
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try {
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DatagramSocket sendSocket = new DatagramSocket(); // 创建一个新的 DatagramSocket 对象
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DatagramPacket sendPacket = new DatagramPacket(sendData, sendData.length, sendToIP, sendPort); // 将要发送的数据打包成一个 DatagramPacket 对象
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sendSocket.send(sendPacket); // 发送 DatagramPacket
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sendSocket.close(); // 发送完毕后关闭 DatagramSocket
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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//初始化UDP发送线程
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private static void InitUdpSend(String Sendstr) throws UnknownHostException {
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InetAddress sendIP = InetAddress.getByName(SEND_to_IP); // 目标 IP 地址
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int sendPort = 8888; // 目标端口号
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byte[] sendData = Sendstr.getBytes(); // 要发送的数据
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UdpSendThread sendThread = new UdpSendThread(sendIP, sendPort, sendData); // 创建新的线程对象
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sendThread.start(); // 启动线程发送数据
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}
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//设置按钮
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// public void showDialog(View view) {
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// Dialog dialog = new Dialog(VideoActivity.this);
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// dialog.setContentView(R.layout.dialog_takeoff);
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//
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// SlideUnlockView slideUnlockView = (SlideUnlockView) dialog.findViewById(R.id.slide_unlock_view);
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// slideUnlockView.setOnUnlockListener(new SlideUnlockView.OnUnlockListener() {
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// @Override
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// public void onUnlock() {
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// // 在用户滑动解锁后执行操作
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//// try {
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//// InitUdpSend("TAKEOFF"+"___"+angle+"___"+String.valueOf(distance));
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//// } catch (UnknownHostException e) {
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//// throw new RuntimeException(e);
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//// }
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// UdpReceiveThread udpReceiveThread = new UdpReceiveThread();
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// udpReceiveThread.start();
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//
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// Log.i(TAG, "onClick: 2222222222222222222222222");
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//
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// }
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// });
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// dialog.show();
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// }
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//////////////////////////////滑动开关//////////////////////////////
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public static class SlideUnlockView extends View{
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private final int BG_COLOR = Color.parseColor("#2D2E32"); // 背景颜色
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private static final int GUIDE_TEXT_COLOR = Color.WHITE; // 引导文本颜色
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private static final int GUIDE_TEXT_SIZE = 100; // 引导文本大小
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private static final int INDICATOR_COLOR = Color.WHITE; // 指示器颜色
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private static final int INDICATOR_RADIUS = 40; // 指示器半径
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private static final int INDICATOR_GAP = 300; // 指示器间距
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private static final int ARROW_COLOR = Color.WHITE; // 箭头颜色
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private static final int ARROW_SIZE = 20; // 箭头大小
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private static final int STATE_LOCKED = 0; // 锁屏状态
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private static final int STATE_DRAGGING = 1; // 拖动状态
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private static final int STATE_UNLOCKED = 2; // 解锁状态
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private Paint mPaint;
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private Path mPath;
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private int mViewWidth;
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private int mViewHeight;
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private int mIndicatorCount;
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private int mCurrentIndex;
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private float mLastX;
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private boolean mIsUnlocked;
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private int mState;
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private OnUnlockListener mOnUnlockListener;
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public abstract static class OnUnlockListener {
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public class SimpleOnUnlockListener extends OnUnlockListener {
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@Override
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public void onUnlock() {
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// 默认空实现
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}
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}
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public abstract void onUnlock();
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}
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public void setOnUnlockListener(OnUnlockListener listener) {
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this.mOnUnlockListener = listener;
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}
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public SlideUnlockView(Context context, AttributeSet attrs) {
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super(context, attrs);
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init();
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}
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private void init() {
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mPaint = new Paint();
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mPaint.setAntiAlias(true); // 抗锯齿
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mPaint.setStyle(Paint.Style.FILL);
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mPath = new Path();
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mIsUnlocked = false;
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mState = STATE_LOCKED;
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// 指示器个数为 3
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mIndicatorCount = 3;
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}
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@Override
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protected void onSizeChanged(int w, int h, int oldw, int oldh) {
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super.onSizeChanged(w, h, oldw, oldh);
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mViewWidth = w;
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mViewHeight = h;
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}
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@Override
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protected void onDraw(Canvas canvas) {
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super.onDraw(canvas);
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switch (mState) {
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case STATE_LOCKED:
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drawGuideText(canvas);
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drawIndicatorCircles(canvas);
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break;
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case STATE_DRAGGING:
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drawUnlockPath(canvas);
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drawUnlockArrow(canvas);
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break;
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case STATE_UNLOCKED:
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if (mOnUnlockListener != null) {
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mOnUnlockListener.onUnlock();
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}
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break;
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}
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}
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private void drawGuideText(Canvas canvas) {
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mPaint.setColor(BG_COLOR);
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canvas.drawRect(0, 0, mViewWidth, mViewHeight, mPaint);
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mPaint.setColor(GUIDE_TEXT_COLOR);
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mPaint.setTextSize(GUIDE_TEXT_SIZE);
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String guideText = "即将起飞";
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float textWidth = mPaint.measureText(guideText);
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float textX = mViewWidth / 2 - textWidth / 2;
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float textY = mViewHeight * 2 / 3;
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canvas.drawText(guideText, textX, textY, mPaint);
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}
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private void drawIndicatorCircles(Canvas canvas) {
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mPaint.setColor(INDICATOR_COLOR);
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float cy = mViewHeight / 2;
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float startX = mViewWidth / 2 - INDICATOR_GAP * (mIndicatorCount - 1) / 2;
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float radius = INDICATOR_RADIUS;
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Path path = new Path();
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for (int i = 0; i < mIndicatorCount; i++) {
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float cx = startX + INDICATOR_GAP * i;
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path.addCircle(cx, cy, radius, Path.Direction.CCW);
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}
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canvas.drawPath(path, mPaint);
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}
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private void drawUnlockPath(Canvas canvas) {
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mPaint.setColor(INDICATOR_COLOR);
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float cy = mViewHeight / 2;
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float startX = mViewWidth / 2 - INDICATOR_GAP * (mIndicatorCount - 1) / 2;
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float currentX = Math.max(Math.min(mLastX, mViewWidth - INDICATOR_RADIUS), startX + INDICATOR_GAP * mCurrentIndex);
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Path path = new Path();
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path.moveTo(startX + INDICATOR_RADIUS, cy);
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path.lineTo(currentX - INDICATOR_RADIUS, cy);
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path.arcTo(new RectF(currentX - INDICATOR_RADIUS, cy - INDICATOR_RADIUS,
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currentX + INDICATOR_RADIUS, cy + INDICATOR_RADIUS), -90, 180);
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path.lineTo(startX + INDICATOR_GAP * (mIndicatorCount - 1), cy);
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canvas.drawPath(path, mPaint);
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}
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private void drawUnlockArrow(Canvas canvas) {
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mPaint.setColor(ARROW_COLOR);
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mPaint.setStyle(Paint.Style.STROKE);
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mPaint.setStrokeWidth(5);
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Path arrowPath = new Path();
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float x = Math.max(Math.min(mLastX, mViewWidth - INDICATOR_RADIUS - ARROW_SIZE), mViewWidth / 2 + INDICATOR_GAP * (mCurrentIndex - 1));
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float y = mViewHeight / 2;
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arrowPath.moveTo(x - ARROW_SIZE, y - ARROW_SIZE);
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arrowPath.lineTo(x, y);
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arrowPath.lineTo(x - ARROW_SIZE, y + ARROW_SIZE);
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canvas.drawPath(arrowPath, mPaint);
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}
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@Override
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public boolean onTouchEvent(MotionEvent event) {
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float x = event.getX();
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switch (event.getAction()) {
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case MotionEvent.ACTION_DOWN:
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if (mState == STATE_LOCKED) {
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mState = STATE_DRAGGING;
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mCurrentIndex = 0;
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invalidate();
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return true;
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}
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break;
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case MotionEvent.ACTION_MOVE:
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if (mState == STATE_DRAGGING) {
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mLastX = x;
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int index = (int) ((x - mViewWidth / 2) / INDICATOR_GAP);
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index = Math.max(Math.min(index, mIndicatorCount - 1), 0);
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if (index != mCurrentIndex) {
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mCurrentIndex = index;
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invalidate();
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}
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if (mCurrentIndex == mIndicatorCount - 1) {
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mState = STATE_UNLOCKED;
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mIsUnlocked = true;
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}
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return true;
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}
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break;
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case MotionEvent.ACTION_UP:
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case MotionEvent.ACTION_CANCEL:
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if (mState == STATE_DRAGGING) {
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mState = STATE_LOCKED;
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mCurrentIndex = 0;
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invalidate();
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return true;
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}
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break;
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}
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return super.onTouchEvent(event);
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}
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}
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}
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