logtextbox1.java

Android的应用实例

/* 
 * Copyright (C) 2007 Google Inc.
 *
 * Licensed 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.android.apis.text;

import com.example.android.apis.R;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

/**
 * Using a LogTextBox to display a scrollable text area
 * to which text is appended.
 *
 */
public class LogTextBox1 extends Activity {
    
    private LogTextBox mText;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
        setContentView(R.layout.log_text_box_1);
        
        mText = (LogTextBox) findViewById(R.id.text);
        
        Button addButton = (Button) findViewById(R.id.add);
        addButton.setOnClickListener(new View.OnClickListener() {

            public void onClick(View v) {
                mText.append("This is a test\n");
            } });
    }
}