我在第174行收到此错误 代码工作正常，但在上次更新后，我收到此错误，无法启动类型View.onclicklistner 这是使用websockets的聊天功能的客户端代码
如何解决这个问题？
包de.lauridmeyer.com.tests;
import org.jwebsocket.api.WebSocketClientEvent;
import org.jwebsocket.api.WebSocketClientTokenListener;
import org.jwebsocket.api.WebSocketPacket;
import org.jwebsocket.client.plugins.rpc.Rpc;
import org.jwebsocket.client.plugins.rpc.RpcListener;
import org.jwebsocket.client.plugins.rpc.Rrpc;
import org.jwebsocket.client.token.BaseTokenClient;
import org.jwebsocket.kit.WebSocketException;
import org.jwebsocket.token.Token;
import org.jwebsocket.token.TokenFactory;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
public class SimpleJWAndroidClientActivity extends Activity implements WebSocketClientTokenListener{
//GUI Elements
private static TextView log;
private static TextView Chatlog;
private static EditText ipadress;
private static EditText Message;
private static Button send;
private static Button conBtn;
private String entered_msg=null;
TextView customDialog_TextView;
Button customDialog_Yes, customDialog_No;
static final int CUSTOM_DIALOG_ID = 0;
public static String decision=null;
//stores if the SLider is changed by the user or the server
private static Boolean isDragging=false;
//stores the connection status
private static Boolean connected=false;
//used for the connection
private static BaseTokenClient btc = new BaseTokenClient();//create a new instance of the base token client
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
log = (TextView)findViewById(R.id.log);//Textview to Display Messages
ipadress=(EditText)findViewById(R.id.ipadress);//inputfield for the ipadress
Chatlog=(TextView)findViewById(R.id.chat);
conBtn= (Button)findViewById(R.id.conBtn);//(dis)connection button
Message=(EditText)findViewById(R.id.Message);
send= (Button)findViewById(R.id.Send);
//add the listener for the slider and the (dis)connection Button
conBtn.setOnClickListener(buttonConnectOnClickListener);
//add the listener for the websocket connection
btc.addListener(this);//add this class as a listener
btc.addListener(new RpcListener());//add an rpc listener
Rpc.setDefaultBaseTokenClient(btc);//set it to the default btc
Rrpc.setDefaultBaseTokenClient(btc);//same here
//set the connection status to "not connected" on startup
changeConnectionStatus(false);
send.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
entered_msg = Message.getText().toString();
Token firstToken = TokenFactory.createToken("com.lauridmeyer.tests.LauridsPlugIn","Welcomemessage");
firstToken.setString("message",entered_msg);//add the message to the token
try {
btc.sendToken(firstToken);//try to send the token to the server
} catch (WebSocketException ex) {
outputText("error:"+ex.getMessage());//log errors
}
}
});
}
private OnClickListener buttonConnectOnClickListener = new OnClickListener() {
public void onClick(View v){
if(!connected){//if not connected
try{
String ipAdress=ipadress.getText().toString();//get the ip-adress from the inputfield
outputText("connecting to "+ipAdress+" ...");//debug
btc.open(ipAdress);//try to open the connection to your server
}catch(Exception e){
outputText("Error while connecting...");//log errors
}
}else{//if connected
try{
btc.close();//try to close
}catch(Exception e){
outputText(e.toString());//log errors
}
}
}
};
// private static SeekBar.OnSeekBarChangeListener seekbarchangedListener = new SeekBar.OnSeekBarChangeListener(){
// //Method is fired everytime the seekbar is changed
// @Override
// public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
// if(isDragging && connected){//if the ssekbar is changed by the user and not by the server
// //create a new Token with the namspace, and type
// Token tempToken = TokenFactory.createToken("com.lauridmeyer.tests.LauridsPlugIn","sliderChanged");
// tempToken.setInteger("value",progress);//add an integer to the token
// try {
// btc.sendToken(tempToken);//try to send the token to the server
// } catch (WebSocketException ex) {
// outputText("error:"+ex.getMessage());//log errors
// }
// }
// }
//
// @Override
// public void onStartTrackingTouch(SeekBar seekBar) {
// isDragging=true;//turn the sending mechanism on
// }
//
// @Override
// public void onStopTrackingTouch(SeekBar seekBar) {
// isDragging=false;//turn the sending mechanism off
// }
// };
/* Method is called when the connection status has changed
* connected <-> disconnected */
public static void changeConnectionStatus(Boolean isConnected) {
connected=isConnected;//change variable
//seekBar.setEnabled(isConnected);//enable/disable seekbar
if(isConnected){//if connection established
outputText("successfully connected to server");//log
conBtn.setText("DISCONNECT");//change Buttontext
}else{
outputText("disconnected from Server!");//log
conBtn.setText("CONNECT");//change Buttontext
}
}
/* Method prints text to the log textfield*/
public static void outputText(String msg) {
log.append(msg+"\n");
}
/* Message handler is used to process incoming tokens from the server*/
private Handler messageHandler = new Handler() {
@Override
public void handleMessage(Message aMessage) {
if(aMessage.what==0){//if it's a token
Token aToken =(Token) aMessage.obj;//get the received token
//if the namespace matches my plugin
if(aToken.getNS().equals("com.lauridmeyer.tests.LauridsPlugIn")){
//and it's a command that the slider has changed
//String wM = aToken.getString("Welcomemessage");
if(aToken.getString("reqType").equals("sliderHasChanged")){
int value=aToken.getInteger("value");//get the slider value
isDragging=false;//make sure that the slider changes are not recognized as user inputs
//seekBar.setProgress(value);//move the slider to the recieved position
}
if(aToken.getString("reqType").equals("Welcomemessage")){
String message=aToken.getString("Welcomemessage");//get the slider value (here)
Chatlog.setOnClickListener(new View.OnClickListener());
Toast.makeText(getApplicationContext(),message,Toast.LENGTH_LONG).show();
}
}
}
}
};
@Override
public void processOpened(WebSocketClientEvent aEvent) {
changeConnectionStatus(true);//when connected change the status
}
@Override
public void processClosed(WebSocketClientEvent aEvent) {
changeConnectionStatus(false);//when disconnected change the status
}
@Override
public void processToken(WebSocketClientEvent aEvent, Token aToken) {
//for some reason you can't process the token directly
//you have to use the messagehandler
Message lMsg = new Message();//create a new mess
lMsg.what = 0;
lMsg.obj = aToken;
messageHandler.sendMessage(lMsg);
}
//following Methods are not used in this example, but have to be there :)
@Override
public void processPacket(WebSocketClientEvent aEvent, WebSocketPacket aPacket) {
}
@Override
public void processOpening(WebSocketClientEvent aEvent) {
}
@Override
public void processReconnecting(WebSocketClientEvent aEvent) {
}
}
答案 0 :(得分：0)
该行：
Chatlog.setOnClickListener(new View.OnClickListener());
您似乎没有覆盖onClick()方法。