说起单片机wifi控制app，单片机方机的资料还容易找，对于app资料网上可以找得到的资料不多，就是找到了，也就是个APP，单片机wifi控制app配套的单片机C语言程序及手机APP源代码一般的都无法找得到，资料不全，给使用带来很大困难。目前，单片机wifi控制app，目前最常见到的是安桌手机的app，其编程用得比较多的是JAVA语言写的,其开发环境是Eclipse，对于基英语基础不好的人来说，比较容易上手的就是易语言编程环境E4A。这里我就贴出一个Eclipse开发环境下写的wifi控制app,下面是APP界面截图：
实物照片（照片中的APP是E4A写的，单片机的代码是一样的）
布局文件：
xmlns:tools="http://schemas.android.com/tools"
xmlns:android1="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".ESP8266" >
android:id="@+id/textView1"
style="text-align:center"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:gravity="center"
android:scrollHorizontally="true"
android:text="@string/ljzt"
android:textAppearance="?android:attr/textAppearanceLarge" />
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/textView1"
android:layout_marginLeft="16dp"
android:layout_marginTop="19dp"
android:minWidth="128dip"
android:scrollHorizontally="true"
android:text="@string/open" />
android:id="@+id/Button02"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/button1"
android:layout_marginLeft="16dp"
android:layout_marginTop="50dp"
android:minWidth="128dip"
android:scrollHorizontally="true"
android:text="K1开" />
android:id="@+id/Button03"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/button1"
android:layout_marginLeft="170dp"
android:layout_marginTop="50dp"
android:minWidth="128dip"
android:scrollHorizontally="true"
android1:text="K1关" />
android:id="@+id/Button04"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/Button02"
android:layout_below="@+id/Button02"
android:layout_marginTop="36dp"
android:minWidth="128dip"
android:scrollHorizontally="true"
android:text="K2开" />
android:id="@+id/Button06"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/Button04"
android:layout_below="@+id/Button04"
android:layout_marginTop="36dp"
android:minWidth="128dip"
android:scrollHorizontally="true"
android:text="K3开" />
android:id="@+id/Button07"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/Button05"
android:layout_marginLeft="170dp"
android:layout_marginTop="36dp"
android:minWidth="128dip"
android:scrollHorizontally="true"
android:text="K3关" />
android:id="@+id/Button05"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/Button02"
android:layout_marginLeft="170dp"
android:layout_marginTop="36dp"
android:minWidth="128dip"
android:scrollHorizontally="true"
android:text="K2关" />
android:id="@+id/Button01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/textView1"
android:layout_marginLeft="170dp"
android:layout_marginTop="19dp"
android1:layout_alignParentLeft="true"
android:minWidth="128dip"
android:scrollHorizontally="true"
android:text="@string/close" />
android1:id="@+id/TextView02"
style="text-align:center"
android1:layout_width="wrap_content"
android1:layout_height="wrap_content"
android1:layout_alignParentLeft="true"
android1:layout_alignParentRight="true"
android1:layout_below="@+id/Button07"
android:layout_marginTop="35dp"
android1:gravity="center"
android1:text="@string/ggnr3"
android1:textAppearance="?android:attr/textAppearanceLarge" />
JV语言：
package com.example.esp8266_gpio;
import java.io.IOException;
import java.io.PrintStream;
import java.net.Socket;
import java.net.UnknownHostException;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import android.os.Handler;
public class ESP8266 extends Activity
{
Handler handler = new Handler();
private final String SERVER_HOST_IP = "192.168.4.1";
private final int SERVER_HOST_PORT = 5000;
private Button button1;
private Button Button01;
private Button Button02;
private Button Button03;
private Button Button04;
private Button Button05;
private Button Button06;
private Button Button07;
private TextView textView1;
private Socket socket;
private PrintStream output;
Runnable runnable = new Runnable() {
@Override
public void run() {
try
{
socket.sendUrgentData(0xFF);
}catch(Exception ex){
closeSocket();//断开连接
}
handler.postDelayed(this, 1000);
}
};
public void toastText(String message)
{
Toast.makeText(this, message, Toast.LENGTH_LONG).show();
}
public void handleException(Exception e, String prefix)
{
e.printStackTrace();
toastText(prefix + e.toString());
}
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_esp8266);
initView();
button1.setOnClickListener(new Button.OnClickListener()
{
@Override
public void onClick(View v)
{
initClientSocket();
}
});
Button01.setOnClickListener(new Button.OnClickListener()
{
@Override
public void onClick(View v)
{
closeSocket();//断开连接
}
});
Button02.setOnClickListener(new Button.OnClickListener()
{
@Override
public void onClick(View v)
{
try
{
socket.sendUrgentData(0xFF);
}catch(Exception ex){
closeSocket();//断开连接
}
sendMessage("GPIO0=0;");
}
});
Button03.setOnClickListener(new Button.OnClickListener()
{
@Override
public void onClick(View v)
{
sendMessage("GPIO0=1;");
}
});
Button04.setOnClickListener(new Button.OnClickListener()
{
@Override
public void onClick(View v)
{
sendMessage("GPIO0=2;");
}
});
Button05.setOnClickListener(new Button.OnClickListener()
{
@Override
public void onClick(View v)
{
sendMessage("GPIO0=3;");
}
});
Button06.setOnClickListener(new Button.OnClickListener()
{
@Override
public void onClick(View v)
{
sendMessage("GPIO0=4;");
}
});
Button07.setOnClickListener(new Button.OnClickListener()
{
@Override
public void onClick(View v)
{
sendMessage("GPIO0=5;");
}
});
}
public void initView()
{
button1 = (Button)findViewById(R.id.button1);
Button01 = (Button)findViewById(R.id.Button01);
Button02 = (Button)findViewById(R.id.Button02);
Button03 = (Button)findViewById(R.id.Button03);
Button04 = (Button)findViewById(R.id.Button04);
Button05 = (Button)findViewById(R.id.Button05);
Button06 = (Button)findViewById(R.id.Button06);
Button07 = (Button)findViewById(R.id.Button07);
textView1=(TextView)findViewById(R.id.textView1);
Button01.setEnabled(false);
Button02.setEnabled(false);
Button03.setEnabled(false);
Button04.setEnabled(false);
Button05.setEnabled(false);
Button06.setEnabled(false);
Button07.setEnabled(false);
textView1.setText("设备未连接");
}
public void closeSocket()
{
try
{
output.close();
socket.close();
button1.setEnabled(true);
Button01.setEnabled(false);
Button02.setEnabled(false);
Button03.setEnabled(false);
Button04.setEnabled(false);
Button05.setEnabled(false);
Button06.setEnabled(false);
Button07.setEnabled(false);
textView1.setText("设备未连接");
}
catch (IOException e)
{
}
}
private void initClientSocket()
{
try
{
socket = new Socket(SERVER_HOST_IP, SERVER_HOST_PORT);
output = new PrintStream(socket.getOutputStream(), true, "utf-8");
button1.setEnabled(false);
Button01.setEnabled(true);
Button02.setEnabled(true);
Button03.setEnabled(true);
Button04.setEnabled(true);
Button05.setEnabled(true);
Button06.setEnabled(true);
Button07.setEnabled(true);
textView1.setText("连接成功");
handler.postDelayed(runnable, 1000);
}
catch (UnknownHostException e)
{
handleException(e, "unknown host exception: " + e.toString());
}
catch (IOException e)
{
toastText("连接错误！请检查是否连接硬件的wifi");
}
}
private void sendMessage(String msg)
{
output.print(msg);
}
}
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