Android开发必知 九种对话框的实现方法

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;
        }
      }
    }
  };
  /*普通的对话框*/
  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();
  }
  /*多按钮对话框*/
  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();
  }
  /*列表对话框*/
  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
        /*下标是从0开始的*/
        showclickmessage(mlist[which]);
      }
    });
    listdia.create().show();
  }
  /*单项选择对话框*/
  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<integer> mychose= new arraylist<integer>();
  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<size;i++)
        {
          str+=mlist[mychose.get(i)];
        }
        showclickmessage(str);
      }
    });
    multichosdia.create().show();
  }
  //进度读取框需要模拟读取
  progressdialog mreadprocessdia=null;
  public final static int max_readprocess = 100;
  private void showreadprocess()
  {
    mreadprocessdia=new progressdialog(diaallactivity.this);
    mreadprocessdia.setprogress(0);
    mreadprocessdia.settitle("进度条窗口");
    mreadprocessdia.setprogressstyle(progressdialog.style_horizontal);
    mreadprocessdia.setmax(max_readprocess);
    mreadprocessdia.show();
    new thread(this).start();
  }
  //新开启一个线程，循环的累加，一直到100然后在停止
  @override
  public void run()
  {
    int progress= 0;
    while(progress < max_readprocess)
    {
      try {
        thread.sleep(100);
        progress++;
        mreadprocessdia.incrementprogressby(1);
      } catch (interruptedexception e) {
        // todo auto-generated catch block
        e.printstacktrace();
      }
    }
    //读取完了以后窗口自消失
    mreadprocessdia.cancel();
  }
  /*读取中的对话框*/
  private void showprocessdia()
  {
    progressdialog processdia= new progressdialog(diaallactivity.this);
    processdia.settitle("进度条框");
    processdia.setmessage("内容读取中...");
    processdia.setindeterminate(true);
    processdia.setcancelable(true);
    processdia.show();
  }
  /*自定义对话框*/
  private void showcustomdia()
  {
    alertdialog.builder customdia=new alertdialog.builder(diaallactivity.this);
    final view viewdia=layoutinflater.from(diaallactivity.this).inflate(r.layout.custom_dialog, null);
    customdia.settitle("自定义对话框");
    customdia.setview(viewdia);
    customdia.setpositivebutton("确定", new dialoginterface.onclicklistener() {
      @override
      public void onclick(dialoginterface dialog, int which) {
        // todo auto-generated method stub
        edittext diainput=(edittext) viewdia.findviewbyid(r.id.txt_cusdiainput);
        showclickmessage(diainput.gettext().tostring());
      }
    });
    customdia.create().show();
  }
  /*popup window 来实现*/
  private void showcuspopup(view parent)
  {
    if(window == null)
    {
      popupview=layoutinflater.from(diaallactivity.this).inflate(r.layout.dia_cuspopup_dia, null);
      cuspopupbtn1=(button)popupview.findviewbyid(r.id.diacuspopupsure);
      window =new popupwindow(popupview,layoutparams.fill_parent,layoutparams.fill_parent);
    }
    window.setanimationstyle(r.style.popupanimation);
    /*必须调用setbackgrounddrawable， 因为popupwindow在初始时，会检测background是否为null,如果是ontouch or onkey events就不会相应，所以必须设置background*/
    /*网上也有很多人说，弹出pop之后，不响应键盘事件了，这个其实是焦点在pop里面的view去了。*/
    window.setfocusable(true);
    window.setbackgrounddrawable(new bitmapdrawable());
    window.update();
    window.showatlocation(parent, gravity.center_vertical, 0, 0);
    cuspopupbtn1.setonclicklistener(new onclicklistener() {
      @override
      public void onclick(view v) {
        // todo auto-generated method stub
        showclickmessage("popup window的确定");
      }
    });
  }
  /*显示点击的内容*/
  private void showclickmessage(string message)
  {
    toast.maketext(diaallactivity.this, "你选择的是: "+message, toast.length_short).show();
  }
}

布局，就是一堆的button

<?xml version="1.0" encoding="utf-8"?>
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent"
  android:orientation="vertical" >
  <textview
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="各种dialog合集" />
  <button
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="普通dialog"
    android:id="@+id/btn_dianormal"/>
  <button
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="多按钮dialog"
    android:id="@+id/btn_diamulti"/>
  <button
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="列表dialog"
    android:id="@+id/btn_dialist"/>
  <button
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="单项选择dialog"
    android:id="@+id/btn_diasigchos"/>
  <button
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="多项选择dialog"
    android:id="@+id/btn_diamultichos"/>
  <button
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="进度条dialog"
    android:id="@+id/btn_diareadprocess"/>
  <button
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="读取中dialog"
    android:id="@+id/btn_diaprocess"/>
  <button
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="自定义dialog"
    android:id="@+id/btn_diacustom"/>
  <button
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="popupwindow实现的dialog"
    android:id="@+id/btn_popupdia"/>
</linearlayout>

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。