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MainActivity.java
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MainActivity.java
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/************************************************************************
* *
* * Java class MainActivity craeted by Emmanuel Yeboah.
* Under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* *
* *
* ***********************************************************************/
package com.example.emmanuel.client_sample;
import android.Manifest;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.wifi.SupplicantState;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.provider.Settings;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.Toast;
import android.widget.TextView;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import android.graphics.Color;
import java.net.Socket;
import java.net.UnknownHostException;
public class MainActivity extends Activity {
LinearLayout ConnectPanel, ColorPalettePanel;
TextView textResponse;
Button buttonConnect, buttonClear,buttonPause;
Button buttonsendcolor;
String messageLog = "";
ClientThreadTask client_threadTask = null;
private ColorPicker colorPalette;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//buttonConnect = (Button) findViewById(R.id.btn_connect);
buttonClear = (Button) findViewById(R.id.btn_clear);
textResponse = (TextView)findViewById(R.id.txt_response);
buttonPause =(Button)findViewById(R.id.btn_pause);
buttonsendcolor = (Button) findViewById(R.id.btn_SendColor);
//buttonActivateColorpanel = (Button) findViewById(R.id.btn_colorpalette);
//buttonConnect.setOnClickListener(btnConnectOnClickListener);
buttonsendcolor.setOnClickListener(btnSendColorOnClickListener);
// buttonActivateColorpanel.setOnClickListener(btnActivateColorPanelOnClickListener);
buttonClear.setOnClickListener(btnSendClearOnClickListener);
buttonPause.setOnClickListener(btnSendPauseOnClickListener);
colorPalette =(ColorPicker) findViewById(R.id.colorPicker);
// for the panels initialization
ColorPalettePanel =(LinearLayout) findViewById(R.id.colorpalattepanel);
ConnectPanel = (LinearLayout) findViewById(R.id.connectpanel);
}
public void ShowConnectionToESP8288AP_Dialog(View view)
{
if(!isESP8288AP_connected() )
{
AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this);
//alertDialogBuilder.setCancelable(true);
alertDialogBuilder.setTitle("Aw, snap!");
alertDialogBuilder.setMessage("It seems you are not connected to ESP8288AP \nTo continue, select 'settings' to change your network \n ");
alertDialogBuilder.setPositiveButton(R.string.action_settings, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface arg0, int arg1) {
//Toast.makeText(MainActivity.this,"You clicked yes button",Toast.LENGTH_LONG).show();
MainActivity.this.startActivity(new Intent(Settings.ACTION_WIFI_SETTINGS));
}
});
alertDialogBuilder.setNegativeButton(R.string.cancel,new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
finish();
}
});
AlertDialog alertDialog = alertDialogBuilder.create();
alertDialog.show();
}
else if (isESP8288AP_connected() ) {
client_threadTask = new ClientThreadTask("192.168.4.1",1001);
client_threadTask.start();
ConnectPanel.setVisibility(View.GONE);
ColorPalettePanel.setVisibility(View.VISIBLE);
}
}
public boolean isESP8288AP_connected (){
boolean connnectedEsp8288AP = false;
WifiManager wifiManager = (WifiManager) getApplicationContext().getSystemService(Context.WIFI_SERVICE);
WifiInfo wifiInfo = wifiManager.getConnectionInfo();
if(wifiManager == null)
{
return connnectedEsp8288AP;
}
if (WifiInfo.getDetailedStateOf(wifiInfo.getSupplicantState()) == android.net.NetworkInfo.DetailedState.CONNECTED)
{
if(wifiInfo.getSSID().equals("ESP8288AP"))
{
connnectedEsp8288AP = true;
return connnectedEsp8288AP;
}
}
SupplicantState state = wifiManager.getConnectionInfo().getSupplicantState();
if (state== null){
return connnectedEsp8288AP;
}
return connnectedEsp8288AP;
}
OnClickListener btnSendColorOnClickListener = new OnClickListener() {
@Override
public void onClick(View v) {
int color = colorPalette.getColor();
int R = Color.red(color) ;
int B = Color.blue(color) ;
int G = Color.green(color);
char RInChar = (char)R;
char BInChar = (char)B;
char GInChar = (char)G;
//String RGBtoHex= String.format("#%02X%02X%02X",Color.red(color),Color.blue(color),Color.green(color));
//String RGBtoString = "R: "+ R +" B : "+ B +" G: "+ G;
//Toast.makeText(MainActivity.this,RGBtoString,Toast.LENGTH_LONG).show();
//String SubstringRGBtoHex = RGBtoHex.replace("#","");
client_threadTask.sendMessageToServer(" "+RInChar+BInChar+GInChar+"\n");
}
};
OnClickListener btnSendClearOnClickListener = new OnClickListener() {
@Override
public void onClick(View v) {
String ClearContentASCII = "CLEAR"+"\n";
client_threadTask.sendMessageToServer(ClearContentASCII);
//Toast.makeText(MainActivity.this,"Content Cleared",Toast.LENGTH_LONG).show();
}
};
OnClickListener btnSendPauseOnClickListener = new OnClickListener() {
@Override
public void onClick(View v) {
String PauseContentASCII = "STOP"+"\n";
client_threadTask.sendMessageToServer(PauseContentASCII);
//Toast.makeText(MainActivity.this,"Content Paused",Toast.LENGTH_LONG).show();
}
};
public void AboutUs_Dialog(View view)
{
AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this);
//alertDialogBuilder.setCancelable(true);
alertDialogBuilder.setTitle("About Us!");
alertDialogBuilder.setMessage("This is an experimental app for a research and design project for " +
"controlling content generated on a Altera FPGA and displayed on LED matrix .\n" +
"\nProject Supervised by: Tekin Yilmaz \n" +
"\nProject members: Emmanuel Yeboah, Ragy Guirguis, Fedor Zorin \n " +
"\nLicensed under the Apache License, Version 2.0 ");
alertDialogBuilder.setPositiveButton(R.string.about_us, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
//Toast.makeText(MainActivity.this,"You clicked yes button",Toast.LENGTH_LONG).show();
dialog.dismiss();
}
});
AlertDialog alertDialog = alertDialogBuilder.create();
alertDialog.show();
}
//OnClickListener btnConnectOnClickListener = new OnClickListener() {
// @Override
// public void onClick(View v) {
//}
//};
public class ClientThreadTask extends Thread{
String DestinationAddr;
int DestinationPort;
//String ResponseFromServer = "";
String MsgToServer = "";
boolean OptOut = false;
ClientThreadTask(String addr, int port){
DestinationAddr = addr;
DestinationPort = port;
// MsgToServer = Msg;
}
@Override
public void run() {
Socket socket = null;
DataInputStream dataInputStream = null;
DataOutputStream dataOutputStream = null;
try{
socket = new Socket(DestinationAddr,DestinationPort);
dataOutputStream = new DataOutputStream(socket.getOutputStream());
dataInputStream = new DataInputStream(socket.getInputStream());
/**ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(1024);
byte[] buf = new byte[1024];
int bytesRead;
InputStream inputStream = socket.getInputStream();
while((bytesRead = inputStream.read(buf)) != -1){
byteArrayOutputStream.write(buf,0, bytesRead);
ResponseFromServer +=byteArrayOutputStream.toString("UTF-8");
}**/
while(!OptOut){
if(dataInputStream.available() > 0){
messageLog += dataInputStream.readChar();
MainActivity.this.runOnUiThread(new Runnable() {
@Override
public void run() {
textResponse.setText(messageLog);
}
});
}
if(!MsgToServer.equals("")){
dataOutputStream.writeChars(MsgToServer);
dataOutputStream.flush();
MsgToServer = "";
}
}
} catch (UnknownHostException e){
e.printStackTrace();
final String eString = e.toString();
MainActivity.this.runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(MainActivity.this,eString,Toast.LENGTH_LONG).show();
}
});
} catch (IOException e){
e.printStackTrace();
final String eString = e.toString();
MainActivity.this.runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(MainActivity.this,eString,Toast.LENGTH_LONG).show();
}
});
} finally{
if(socket != null) {
try {
socket.close();
Toast.makeText(MainActivity.this, "Socket closed", Toast.LENGTH_LONG).show();
} catch (IOException e) {
e.printStackTrace();
String exception_closing = "IOEXception closing socket :" + e.toString();
Toast.makeText(MainActivity.this, exception_closing, Toast.LENGTH_LONG).show();
}
}
if(dataInputStream != null ){
try{
dataInputStream.close();
} catch (IOException e){
e.printStackTrace();
}
}
if(dataOutputStream != null){
try{
dataOutputStream.close();
} catch (IOException e){
e.printStackTrace();
}
}
MainActivity.this.runOnUiThread(new Runnable() {
@Override
public void run() {
ConnectPanel.setVisibility(View.VISIBLE);
ColorPalettePanel.setVisibility(View.GONE);
}
});
}
}
private void sendMessageToServer(String msg){
MsgToServer = msg;
}
private void disconnect(){
OptOut = true;
}
/**@Override
protected void onPostExecute(Void result){
textResponse.setText(ResponseFromServer);
super.onPostExecute(result);
}**/
}
}