我正在處理在我的java代碼中編譯錯誤的問題,我無法理解如何更正。在java主要活動的Android工作室錯誤?
第一個錯誤:
main cannot be resolved or is not a field ....
二錯誤:
The method OnKeyListener(new MainActivity.OnKeyListener(){}) is undefined for the type EditText
package com.uichat;
import android.app.Activity;
import android.content.Intent;
import android.database.DataSetObserver;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.View;
import android.widget.AbsListView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import java.io.ByteArrayOutputStream;
public class MainActivity extends Activity{
private ChatArrayAdapter adp;
private ListView list;
private EditText ChatText;
private Button send;
Intent In;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Intent I = getIntent();
send = (Button) findViewById(R.id.btn);
list = (ListView) findViewById(R.id.list);
adp = new ChatArrayAdapter(getApplicationContext(), R.layout.chat);
ChatText = (EditText) findViewById(R.id.chat);
ChatText.setKeyListener(new OnKeyListener() {
public boolean onKey(View v, int keyCode, KeyEvent event) {
if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
return sendChatMessage(false);
}
return false;
}
});
send.setOnClickListener(new View.OnClickListener() {
public void onClick(View arg0) {
sendChatMessage(false);
}
});
list.setTranscriptMode(AbsListView.TRANSCRIPT_MODE_ALWAYS_SCROLL);
list.setAdapter(adp);
adp.registerDataSetObserver(new DataSetObserver() {
@Override
public void onChanged() {
super.onChanged();
list.setSelection(adp.getCount() - 1);
}
});
}
private boolean sendChatMessage(boolean side) {
adp.add(new ChatMessage(side, ChatText.getText().toString()));
ChatText.setText("");
side = !side;
return true;
}
public ListView getList() {
return list;
}
public void setList(ListView list) {
this.list = list;
}
class EditView {
private String text;
public void setOnKeyListener(OnKeyListener onKeyListener) {
}
public boolean getText() {
return true;
}
public void setText(String text) {
this.text = text;
}
}
class OnKeyListener {
}
}
這將是有益的,如果你有錯誤/堆棧跟蹤。 – ChiefTwoPencils 2015-02-24 22:00:09
你有什麼錯誤?當我們甚至不知道什麼是錯的時候,很難提供幫助。 – childofsoong 2015-02-24 22:00:12
第二個錯誤。方法OnKeyListener(新的MainActivity.OnKeyListener(){})未定義類型EditText – Frrank616 2015-02-24 22:05:50