linelayout.xml

Xml代碼

<?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"?>??

????<Button?android:layout_width="fill_parent"?android:layout_height="wrap_content"??

????????android:id="@+id/buton"?android:text="@string/button">??

????</Button>??

</LinearLayout>??

checkbox.xml

Xml代碼??

<?xml?version="1.0"?encoding="utf-8"?>??

<CheckBox?xmlns:android="http://schemas.android.com/apk/res/android"??

????android:layout_width="fill_parent"??

????android:layout_height="wrap_content"?>??

</CheckBox>??

?MainActivity.java

Java代碼??

import?java.util.ArrayList;??

import?java.util.List;??

??

import?android.app.Activity;??

import?android.app.AlertDialog;??

import?android.os.Bundle;??

import?android.view.View;??

import?android.view.View.OnClickListener;??

import?android.widget.Button;??

import?android.widget.CheckBox;??

import?android.widget.LinearLayout;??

??

public?class?MainActivity?extends?Activity??implements?OnClickListener{??

??

????private?List?<CheckBox>?checkboxs?=?new?ArrayList<CheckBox>?();???

??????

????protected?void?onCreate(Bundle?savedInstanceState)?{??

????????super.onCreate(savedInstanceState);??

????????//setContentView(R.layout.activity_main);??

????????String[]?chekcBoxTexts?=?new?String[]{"旅游","讀書","看書","爬山","踢足球","打籃球","打乒乓球"};??

????????//動(dòng)態(tài)加載布局??

????????LinearLayout?linerLayout?=?(LinearLayout)?getLayoutInflater().inflate(R.layout.linelayout,?null)?;??

????????for(int?i=0;i<?chekcBoxTexts.length;i++){??

????????????String?item?=?chekcBoxTexts[i];??

????????????//動(dòng)態(tài)創(chuàng)建布局??

????????????CheckBox?checkbox?=?(CheckBox)?getLayoutInflater().inflate(R.layout.checkbox,?null);??

????????????checkbox.setText(item);??

????????????checkboxs.add(checkbox);??

??????????????

????????????linerLayout.addView(checkbox,?i);??

????????}??

????????setContentView(linerLayout);??

??????????

????????Button?button?=?(Button)?this.findViewById(R.id.buton);??

????????button.setOnClickListener(this)?;??

????}??

??

????@Override??

????public?void?onClick(View?v)?{??

????????StringBuffer?s?=?new?StringBuffer();??

????????for(CheckBox?box?:?checkboxs){??

????????????if(box.isChecked()){??

????????????????if(s.length()>0){s.append("\n");}??

????????????????s.append(box.getText())?;??

????????????}??

????????}??

????????if(s.length()==0){??

????????????s.append("您還沒有選擇呢");??

????????}??

????????//使用提示框提示用戶信息??

????????new?AlertDialog.Builder(this).setMessage(s.toString()).setPositiveButton("關(guān)閉",?null).show()?;??

??????????

????}??

} ?

總結(jié)

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