- <?xml version="1.0" encoding="utf-8"?>
- <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:layout_width="match_parent"
- android:layout_height="match_parent"
- android:orientation="vertical" >
- <TextView
- android:id="@+id/textVeiw1"
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:background="#FF0000"
- android:text="第一个TextView控件" />
- <TextView
- android:id="@+id/textView2"
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:background="#00FF00"
- android:text="第二个TextView" />
- <TextView
- android:id="@+id/textView3"
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:layout_margin="40dp"
- android:background="#FF0000"
- android:text="hello world" />
- <TextView
- android:id="@+id/textView4"
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:layout_marginTop="30dp"
- android:background="#00FF00"
- android:paddingTop="30dp"
- android:text="hello world" />
- <CheckBox
- android:id="@+id/oneCheckBox"
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:text="one"/>
- <CheckBox
- android:id="@+id/twoCheckBox"
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:text="two" />
- <CheckBox
- android:id="@+id/ThreeCheckBox"
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:text="three" />
- <CheckBox
- android:id="@+id/allCheckBox"
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:text="all"/>
- </LinearLayout>
- package com.xiong.fisrt_android;
- import android.app.Activity;
- import android.os.Bundle;
- import android.view.Menu;
- import android.view.View;
- import android.view.View.OnClickListener;
- import android.widget.Button;
- import android.widget.CheckBox;
- import android.widget.CompoundButton;
- import android.widget.CompoundButton.OnCheckedChangeListener;
- import android.widget.TextView;
- public class MainActivity extends Activity {
- private TextView textView;
- private Button button;
- private int count = 0;
- private CheckBox oneCheckBox;
- private CheckBox twoCheckBox;
- private CheckBox threeCheckBox;
- private CheckBox allCheckBox;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.fist_linearlayout);
- /* textView = (TextView) findViewById(R.id.textView);
- button = (Button) findViewById(R.id.button);
- textView.setText("hello Android!!!");
- textView.setBackgroundColor(Color.BLUE);
- ButtoneListener buttoneListener = new ButtoneListener();// 生成监听对象
- button.setOnClickListener(buttoneListener);// 按钮绑定一个监听器
- */
- oneCheckBox=(CheckBox)findViewById(R.id.oneCheckBox);
- twoCheckBox=(CheckBox)findViewById(R.id.twoCheckBox);
- threeCheckBox=(CheckBox)findViewById(R.id.ThreeCheckBox);
- allCheckBox=(CheckBox)findViewById(R.id.allCheckBox);
- AllCheckBoxClass allCheckBoxClass=new AllCheckBoxClass();
- allCheckBox.setOnCheckedChangeListener(allCheckBoxClass);
- }
- @Override
- public boolean onCreateOptionsMenu(Menu menu) {
- // Inflate the menu; this adds items to the action bar if it is present.
- getMenuInflater().inflate(R.menu.main, menu);
- return true;
- }
- class ButtoneListener implements OnClickListener// 创建一个类实现监听事件的接口
- {
- @Override
- public void onClick(View arg0) {
- // TODO Auto-generated method stub
- count++;
- textView.setText(Integer.toString(count));
- }
- }
- class AllCheckBoxClass implements OnCheckedChangeListener
- {
- @Override
- public void onCheckedChanged(CompoundButton buttonView,
- boolean isChecked) {
- // TODO Auto-generated method stub
- oneCheckBox.setChecked(isChecked);
- twoCheckBox.setChecked(isChecked);
- threeCheckBox.setChecked(isChecked);
- }
- }
- }