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。

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