在开发过程中，与用户交互式免不了会用到对话框以实现更好的用户体验，所以掌握几种对话框的实现方法还是非常有必要的。在看具体实例之前先对alertDialog做一个简单介绍。alertDialog是功能最丰富、实践应用最广的对话框，它可以生成各种内容的对话框。但实际上alertDialog生成的对话框总体可分为以下4个区域：图标区、标题区、内容区、按钮区。
这里总结了九种对话框的实现方法，有需要的朋友可以来学习下了
除了popupwindow实现稍微麻烦一点，其他形似都相对简单，熟悉2便即可
直接上源码
package com.naoh.stu;
import java.util.ArrayList;
import android.app.Activity;
import android.app.alertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup.LayoutParams;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.PopupWindow;
import android.widget.Toast;
public class DiaAllActivity extends Activity implements Runnable {
private Button btn_diaNormal;
private Button btn_diaMulti;
private Button btn_diaList;
private Button btn_diaSinChos;
private Button btn_diaMultiChos;
private Button btn_diaProcess;
private Button btn_diaReadProcess;
private Button btn_diaCustom;
private Button btn_popUpDia;
private PopupWindow window=null;
private Button cusPopupBtn1;
private View popupView;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.dialog);
getView();
setListener();
}
private void getView()
{
btn_diaNormal=(Button)findViewById(R.id.btn_diaNormal);
btn_diaMulti=(Button)findViewById(R.id.btn_diaMulti);
btn_diaList=(Button)findViewById(R.id.btn_diaList);
btn_diaSinChos=(Button)findViewById(R.id.btn_diaSigChos);
btn_diaMultiChos=(Button)findViewById(R.id.btn_diaMultiChos);
btn_diaProcess=(Button)findViewById(R.id.btn_diaProcess);
btn_diaReadProcess=(Button)findViewById(R.id.btn_diaReadProcess);
btn_diaCustom=(Button)findViewById(R.id.btn_diaCustom);
btn_popUpDia=(Button)findViewById(R.id.btn_popUpDia);
}
private void setListener()
{
btn_diaNormal.setonClickListener(btnListener);
btn_diaMulti.setonClickListener(btnListener);
btn_diaList.setonClickListener(btnListener);
btn_diaSinChos.setonClickListener(btnListener);
btn_diaMultiChos.setonClickListener(btnListener);
btn_diaProcess.setonClickListener(btnListener);
btn_diaReadProcess.setonClickListener(btnListener);
btn_diaCustom.setonClickListener(btnListener);
btn_popUpDia.setonClickListener(btnListener);
}
private Button.onClickListener btnListener= new Button.onClickListener()
{
public void onClick(View v)
{
if(v instanceof Button)
{
int btnId=v.getId();
switch(btnId)
{
case R.id.btn_diaNormal:
showNormalDia();
break;
case R.id.btn_diaMulti:
showMultiDia();
break;
case R.id.btn_diaList:
showListDia();
break;
case R.id.btn_diaSigChos:
showSinChosDia();
break;
case R.id.btn_diaMultiChos:
showMultiChosDia();
break;
case R.id.btn_diaReadProcess:
showReadProcess();
break;
case R.id.btn_diaProcess:
showProcessDia();
break;
case R.id.btn_diaCustom:
showCustomDia();
break;
case R.id.btn_popUpDia:
showCusPopUp(v);
break;
default:
break;
}
}
}
};
private void showNormalDia()
{
//alertDialog.Builder normalDialog=new alertDialog.Builder(getApplicationContext());
alertDialog.Builder normalDia=new alertDialog.Builder(DiaAllActivity.this);
normalDia.setIcon(R.drawable.ic_launcher);
normalDia.setTitle("普通的对话框");
normalDia.setMessage("普通对话框的message内容");
normalDia.setPositiveButton("确定", new DialogInterface.onClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
showClickMessage("确定");
}
});
normalDia.setNegativeButton("取消", new DialogInterface.onClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
showClickMessage("取消");
}
});
normalDia.create().show();
}
private void showMultiDia()
{
alertDialog.Builder multiDia=new alertDialog.Builder(DiaAllActivity.this);
multiDia.setTitle("多选项对话框");
multiDia.setPositiveButton("按钮一", new DialogInterface.onClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
showClickMessage("按钮一");
}
});
multiDia.setNeutralButton("按钮二", new DialogInterface.onClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
showClickMessage("按钮二");
}
});
multiDia.setNegativeButton("按钮三", new DialogInterface.onClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
showClickMessage("按钮三");
}
});
multiDia.create().show();
}
private void showListDia()
{
final String[] mList={"选项1","选项2","选项3","选项4","选项5","选项6","选项7"};
alertDialog.Builder listDia=new alertDialog.Builder(DiaAllActivity.this);
listDia.setTitle("列表对话框");
listDia.setItems(mList, new DialogInterface.onClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
showClickMessage(mList[which]);
}
});
listDia.create().show();
}
int yourChose=-1;
private void showSinChosDia()
{
final String[] mList={"选项1","选项2","选项3","选项4","选项5","选项6","选项7"};
yourChose=-1;
alertDialog.Builder sinChosDia=new alertDialog.Builder(DiaAllActivity.this);
sinChosDia.setTitle("单项选择对话框");
sinChosDia.setSingleChoiceItems(mList, 0, new DialogInterface.onClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
yourChose=which;
}
});
sinChosDia.setPositiveButton("确定", new DialogInterface.onClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
if(yourChose!=-1)
{
showClickMessage(mList[yourChose]);
}
}
});
sinChosDia.create().show();
}
ArrayList myChose= new ArrayList();
private void showMultiChosDia()
{
final String[] mList={"选项1","选项2","选项3","选项4","选项5","选项6","选项7"};
final boolean mChoseSts[]={false,false,false,false,false,false,false};
myChose.clear();
alertDialog.Builder multiChosDia=new alertDialog.Builder(DiaAllActivity.this);
multiChosDia.setTitle("多项选择对话框");
multiChosDia.setMultiChoiceItems(mList, mChoseSts, new DialogInterface.onMultiChoiceClickListener() {
@Override
public void onClick(DialogInterface dialog, int which, boolean isChecked) {
// TODO Auto-generated method stub
if(isChecked)
{
myChose.add(which);
}
else
{
myChose.remove(which);
}
}
});
multiChosDia.setPositiveButton("确定", new DialogInterface.onClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
int size=myChose.size();
String str="";
for(int i=0;i
布局，就是一堆的button
以上是Android开发必知 九种对话框的实现方法，代码主要用alertDialog生成的对话框，它的功能丰富、使用最广。
