错误:公共类型 TodoListItemView 必须在其自己的文件中定义。(行public class TodoListItemView extends TextView {
:)
package com.kisinivan.todolist;
import java.util.ArrayList;
import android.os.Bundle;
import android.app.Activity;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnKeyListener;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.ListView;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.widget.TextView;
public class MainActivity extends Activity {
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
ListView myListView = (ListView)findViewById(R.id.myListView);
final EditText myEditText = (EditText)findViewById(R.id.myEditText);
final ArrayList<String> todoItems = new ArrayList<String>();
final ArrayAdapter<String> aa;
aa = new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1,
todoItems);
myListView.setAdapter(aa);
myEditText.setOnKeyListener(new OnKeyListener() {
public boolean onKey(View v, int keyCode, KeyEvent event) {
if (event.getAction() == KeyEvent.ACTION_DOWN)
if (keyCode == KeyEvent.KEYCODE_ENTER){
todoItems.add(0, myEditText.getText().toString());
aa.notifyDataSetChanged();
myEditText.setText("");
return true;
}
return false;
} });
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
public class TodoListItemView extends TextView {
public TodoListItemView (Context context, AttributeSet ats, int ds) {
super(context, ats, ds);
init();
}
public TodoListItemView (Context context) {
super(context);
init();
}
public TodoListItemView (Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
private void init() {
}
@Override
public void onDraw(Canvas canvas) {
super.onDraw(canvas);
}
}