android dialog 基本演示

于 2012-01-10 13:04:00 发布
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文章标签： 移动开发
本文详细介绍了Android中使用AlertDialog进行对话框操作的方法，包括简单对话框、包含列表的选择对话框、带单选或多选选项的对话框以及进度对话框，并展示了自定义对话框的实现。

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/**
 * 本代码主要演示 对话框的操作
 */
package haha.android.HelloWorld4;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

public class HelloWorld4Activity extends Activity {
    Button btn1, btn2, btn3,btn4,btn5 ;
	//Called when the activity is first created.
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        hahaLog("进入main activity");
        btn1 = (Button)findViewById(R.id.button1);
        btn1.setOnClickListener(new ButtonListener());
        
        btn2 = (Button)findViewById(R.id.button2);
        btn2.setOnClickListener(new ButtonListener());
        
        
        btn3 = (Button)findViewById(R.id.button3);
        btn3.setOnClickListener(new ButtonListener());
        
        btn4 = (Button)findViewById(R.id.button4);
        btn4.setOnClickListener(new ButtonListener());
        
        btn5 = (Button)findViewById(R.id.button5);
        btn5.setOnClickListener(new ButtonListener());
        
    }
    
    
    
    class ButtonListener implements OnClickListener
    {
    	final String[] listStr={"A","B","C","D","E","F","G","H","I","J","K"};
    	public void onClick (View v)
    	{	
    		switch(v.getId())
    		{
    		case R.id.button1:
    			hahaLog("进入button1");
    			final AlertDialog.Builder ab1 = new AlertDialog.Builder(HelloWorld4Activity.this);
    			ab1.setTitle("简单对话框");
    			ab1.setIcon(android.R.drawable.ic_dialog_info);
    			ab1.setMessage("这是消息内容!\n点击ok连续popup.");
    			
    			ab1.setPositiveButton("确定", new DialogInterface.OnClickListener() {
					
					@Override
					public void onClick(DialogInterface dialog, int which) {
						// TODO Auto-generated method stub
						hahaLog("进入button1的 Pos click");
						ab1.show();
					}
				});
    			ab1.setNegativeButton("取消", new DialogInterface.OnClickListener() {
					
					@Override
					public void onClick(DialogInterface dialog, int which) {
						// TODO Auto-generated method stub
						hahaLog("进入button1的 Neg click");
					}
				});
    			
    			ab1.show();
    		
    			
    			break;
    		case R.id.button2:
    			hahaLog("进入button2");
    			
    			final AlertDialog.Builder ab2 = new AlertDialog.Builder(HelloWorld4Activity.this);
    			ab2.setTitle("简单LIST对话框");
    			ab2.setIcon(android.R.drawable.ic_dialog_info);
    			//ab2.setMessage("这是消息内容!\n点击ok连续popup.");//加了这个，就没有LIST了，显示为空白
    			ab2.setItems(listStr, new DialogInterface.OnClickListener() {
					@Override
					public void onClick(DialogInterface dialog, int which) {
						// TODO Auto-generated method stub
						hahaLog("进入button2的click");
						Toast.makeText(getApplicationContext(),
								"你点击的是:"+listStr[which],
								Toast.LENGTH_LONG).show();						
					}
				});
    		//	ab2.create();
    			ab2.show();
    			break;
    		case R.id.button3:
    			hahaLog("进入button3");
   
				String[] mstr = {"aaa","bbbbb","ccccc"};
				final boolean[] bb = {false,true,false};//指向的地址不能改变，不是内容不能改变
				
    			final AlertDialog.Builder ab3 = new AlertDialog.Builder(HelloWorld4Activity.this);
    			ab3.setTitle("简单radio的LIST对话框");
    			ab3.setIcon(android.R.drawable.ic_dialog_info);
if(false){
    			ab3.setItems(listStr, new DialogInterface.OnClickListener() {
					@Override
					public void onClick(DialogInterface dialog, int which) {
						// TODO Auto-generated method stub
						hahaLog("进入button2的click");
						Toast.makeText(getApplicationContext(),
								"你点击的是:"+listStr[which],
								Toast.LENGTH_LONG).show();						
					}
				});
    			
    			ab3.setSingleChoiceItems(listStr, -1, new DialogInterface.OnClickListener() {
					
					@Override
					public void onClick(DialogInterface dialog, int which) {
						// TODO Auto-generated method stub
						hahaLog("进入button3的click,which="+which);
						Toast.makeText(getApplicationContext(),
								"你点击的是:"+listStr[which],
								Toast.LENGTH_LONG).show();	
						
					}});
}else{

    			ab3.setMultiChoiceItems(mstr, bb, new DialogInterface.OnMultiChoiceClickListener() {
					
					@Override
					public void onClick(DialogInterface dialog, int which, boolean isChecked) {
						// TODO Auto-generated method stub
						
					}
				});
    			
    		/*	ab3.setItems(listStr, new DialogInterface.OnClickListener() {
					@Override
					public void onClick(DialogInterface dialog, int which) {
						// TODO Auto-generated method stub
						hahaLog("进入button2的click");
						Toast.makeText(getApplicationContext(),
								"你点击的是:"+listStr[which],
								Toast.LENGTH_LONG).show();	
						
					}
				});*/
}
				
    			//public AlertDialog.Builder setCancelable (boolean cancelable)参考代码有设置这个属性为true，我没设置，一样ok,默认就是ture?...	
    			ab3.setNegativeButton("取消", new DialogInterface.OnClickListener() {
					
					@Override
					public void onClick(DialogInterface dialog, int which) {
						// TODO Auto-generated method stub
						hahaLog("进入button3的 Neg click");
						System.out.println("haha:" + "bb={" + bb[0] + "," + bb[1]+ "," + bb[2]+ "}");
						
					}
				});
    		//	ab3.create();
    			ab3.show();
    			break;
    			
    		case R.id.button4:
    			hahaLog("进入button4");
			
		       final ProgressDialog progressDialog = ProgressDialog.show(HelloWorld4Activity.this,
		    		   "Loading","please wait…",true);
		       progressDialog.setCancelable(true);//这里要设置为TRUE,默认是不能cancel该对话框的
    			break;    	
    			
    		case R.id.button5:
    			hahaLog("进入button5");
    			LayoutInflater 	inflater = (LayoutInflater)(getApplicationContext().getSystemService
    				      (getApplicationContext().LAYOUT_INFLATER_SERVICE));
    			View view=inflater.inflate(R.layout.seldef, null);
    			
    			AlertDialog.Builder builder2=new AlertDialog.Builder(HelloWorld4Activity.this);  
    			builder2.setView(view);
    			builder2.setTitle("qq title");
    			builder2.setPositiveButton("确定", new DialogInterface.OnClickListener() {
					
					@Override
					public void onClick(DialogInterface dialog, int which) {
						// TODO Auto-generated method stub
						//这里还有
						dialog.cancel();
					}
				});
    			//builder2.create();
    			builder2.show();
    			
    			break;      			
    		default:
    			break;
    		}
    	}
    } //class  ButtonListener   
void hahaLog(String msg)
{
	//Log.d("haha", msg);
	System.out.println("haha: " + msg);
}
}//class HelloWorld4Activity


/selfdef.xml//
<?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" 
  >
<!-- 上面这个vertical必须要，不然只能显示出 image -->

 <ImageView
 android:id="@+id/imageView1"
 android:src="@drawable/ic_launcher"
 android:layout_width="fill_parent"
 android:layout_height="wrap_content"
 />
 
 <LinearLayout
 android:orientation="horizontal"  
 android:layout_width="fill_parent"
 android:layout_height="wrap_content"
 >
	  <TextView
	  android:id="@+id/TextView1"
	  android:layout_width="wrap_content"
	  android:layout_height="wrap_content"
	  android:layout_weight="5"
	  android:text="@+string/dlg_selfdef_user"/>


	  <EditText
	  android:id="@+id/EditView2"
	  android:layout_width="wrap_content"
	  android:layout_height="wrap_content"
	  android:layout_weight="26"
	  />
	  	 
 </LinearLayout>
 
 <LinearLayout
 android:orientation="horizontal"  
 android:layout_width="fill_parent"
 android:layout_height="wrap_content"
 >
	  <TextView
	  android:id="@+id/TextView2"
	  android:layout_width="wrap_content"
	  android:layout_height="wrap_content"
	  android:text="@+string/dlg_selfdef_pass"/>
	  	 
	  	  <EditText
	  android:id="@+id/EditView3"
	  android:layout_width="wrap_content"
	  android:layout_height="wrap_content"
	  android:layout_weight="1"
	  android:password="true"
	  android:singleLine="true" 
	  />


 </LinearLayout>
  
 


</LinearLayout>







///strings.xml/
<?xml version="1.0" encoding="utf-8"?>
<resources>


  <string name="hello">Hello World, HelloWorld4Activity!</string>
  <string name="app_name">HelloWorld4</string>
  <string name="dlg_simple_popup">简单填出框</string>
  <string name="dlg_simple_list_popup">简单LIST对话框</string>
  <string name="dlg_radio_list_popup">简单radio的LIST对话框</string>
  <string name="dlg_progress_list_popup">简单进度对话框</string>
  <string name="dlg_selfdef_popup">自定义对话框</string>
  <string name="dlg_selfdef_user">user:</string>
  <string name="dlg_selfdef_pass">password:</string>
 
  


</resources>
iteye_8149
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