Datasocket unterscheid zwischen 4.0 und 2.3?

1package mitch.test.ledrgb;
2
3import java.net.DatagramPacket;
4import java.net.DatagramSocket;
5import java.net.InetAddress;
6
7
8import android.os.Bundle;
9import android.app.Activity;
10import android.app.AlertDialog;
11import android.view.Menu;
12import android.view.MenuItem;
13import android.widget.SeekBar;
14import android.widget.SeekBar.OnSeekBarChangeListener;
15import android.support.v4.app.NavUtils;
16
17public class RGBActivity extends Activity implements OnSeekBarChangeListener {
18 String ip = "129.0.99.177";
19 String Text;
20 int Port = 12301;
21 SeekBar seek_red;
22 SeekBar seek_yellow;
23 SeekBar seek_blue;
24 byte[] buf = null;
25 int leng;
26
27 @Override
28 public void onCreate(Bundle savedInstanceState) {
29 super.onCreate(savedInstanceState);
30 setContentView(R.layout.activity_main);
31
32 seek_red = (SeekBar)findViewById(R.id.red);
33 seek_yellow = (SeekBar)findViewById(R.id.yellow);
34 seek_blue = (SeekBar)findViewById(R.id.blue);
35
36 seek_red.setOnSeekBarChangeListener(this);
37 seek_yellow.setOnSeekBarChangeListener(this);
38 seek_blue.setOnSeekBarChangeListener(this);
39
40 }
41
42 @Override
43 public boolean onCreateOptionsMenu(Menu menu) {
44 getMenuInflater().inflate(R.menu.activity_main, menu);
45 return true;
46 }
47
48 public void onProgressChanged(SeekBar bar, int progress, boolean fromTouch) {
49
50 switch (bar.getId()) {
51
52 case R.id.red:
53
54 Text = ("R"+progress+" ");
55 buf = (Text).getBytes();
56 leng = buf.length;
57 break;
58
59 case R.id.yellow:
60
61 Text = ("Y"+progress+" ");
62 buf = (Text).getBytes();
63 leng = buf.length;
64 break;
65
66 case R.id.blue:
67
68 Text = ("B"+progress+" ");
69 buf = (Text).getBytes();
70 leng = buf.length;
71 break;
72
73 }
74 try {
75 InetAddress serverAddr = InetAddress.getByName(ip); //die IP vom editttext wird in einer Internetadresse umgewandelt
76 DatagramSocket socket = new DatagramSocket();
77
78
79 DatagramPacket packet = new DatagramPacket(buf, leng, serverAddr, Port);
80 socket.send(packet);
81
82
83 }
84
85 catch (Exception e)
86 {
87 AlertDialog.Builder alert = new AlertDialog.Builder(this);//alert ausgeben show nicht vergessen;)
88 alert.setTitle("Fehler");// überschrift des buttons
89 alert.setMessage("Verbindungsfehler");//Text des Buttons
90 alert.setPositiveButton("OK", null);//Position des OK Buttons
91 alert.show();//zeigt alert an
92 }
93 }
94 public void onStartTrackingTouch(SeekBar seek_red) {
95
96 }
97 public void onStopTrackingTouch(SeekBar seek_red) {
98
99 }
100
101}

1package mitch.test.ledrgb;
2
3
4import java.net.DatagramPacket;
5import java.net.DatagramSocket;
6import java.net.InetAddress;
7
8import android.os.AsyncTask;
9import android.os.Build;
10import android.os.Bundle;
11import android.os.Handler;
12import android.os.StrictMode;
13import android.app.Activity;
14import android.app.AlertDialog;
15import android.content.Context;
16import android.util.Log;
17import android.view.Menu;
18import android.view.MenuItem;
19import android.widget.SeekBar;
20import android.widget.TextView;
21import android.widget.SeekBar.OnSeekBarChangeListener;
22import android.support.v4.app.NavUtils;
23
24public class RGBActivity extends Activity implements OnSeekBarChangeListener {
25 static String ip = "192.168.0.99";
26 String Text;
27 static int Port = 12301;
28 SeekBar seek_red;
29 SeekBar seek_yellow;
30 SeekBar seek_blue;
31 static byte[] buf = null;
32 static int leng;
33 String color;
34 TextView Text1, Text3, Text2;
35
36 @Override
37 public void onCreate(Bundle savedInstanceState) {
38 super.onCreate(savedInstanceState);
39 setContentView(R.layout.activity_main);
40
41 seek_red = (SeekBar)findViewById(R.id.red);
42 seek_yellow = (SeekBar)findViewById(R.id.yellow);
43 seek_blue = (SeekBar)findViewById(R.id.blue);
44
45 seek_red.setOnSeekBarChangeListener(this);
46 seek_yellow.setOnSeekBarChangeListener(this);
47 seek_blue.setOnSeekBarChangeListener(this);
48 }
49
50
51
52public void onProgressChanged(final SeekBar bar, final int progress, boolean fromTouch) {
53
54 switch (bar.getId()) {
55
56 case R.id.red:
57 Text1.setText("r"+progress);
58 Text = ("R"+progress+" ");
59 buf = (Text).getBytes();
60 leng = buf.length;
61 break;
62
63 case R.id.yellow:
64 Text2.setText("y"+progress);
65 Text = ("Y"+progress+" ");
66 buf = (Text).getBytes();
67 leng = buf.length;
68 break;
69
70 case R.id.blue:
71 Text3.setText("b"+progress);
72 Text = ("B"+progress+" ");
73 buf = (Text).getBytes();
74 leng = buf.length;
75 break;
76
77 }
78 new Network().execute(ip);
79}
80
81 public boolean onCreateOptionsMenu(Menu menu) {
82 getMenuInflater().inflate(R.menu.activity_main, menu);
83 return true;
84 }
85
86
87 public void onStartTrackingTouch(SeekBar seek_red) {
88
89 }
90 public void onStopTrackingTouch(SeekBar seek_red) {
91
92 }
93
94
95
96public class Network extends AsyncTask<String, Integer, String>{
97
98 @Override
99 protected String doInBackground(String... params) {
100 // TODO Auto-generated method stub
101 try{
102
103 InetAddress serverAddr = InetAddress.getByName(RGBActivity.ip); //die IP vom editttext wird in einer Internetadree umgewandelt
104 DatagramSocket socket = new DatagramSocket();
105
106 DatagramPacket packet = new DatagramPacket(RGBActivity.buf, RGBActivity.leng, serverAddr, RGBActivity.Port);
107
108 socket.send(packet);
109
110
111 }
112
113 catch (Exception e)
114 {
115 AlertDialog.Builder alert = new AlertDialog.Builder(null);//alert ausgeben show nicht vergessen;)
116 alert.setTitle("Fehler");// überschrift des buttons
117 alert.setMessage("Verbindungsfehler");//Text des Buttons
118 alert.setPositiveButton("OK", null);//Position des OK Buttons
119 alert.show();//zeigt alert an
120 }
121 return null;
122 }
123}
124}