Android中各类Dialog实例——交互

た入场券 2022-09-25 04:23 157阅读 0赞

今天打开技术博客发现自己的上一篇技术博客已经是去年11月份的了。但凡是生活中或是学习中的许多事情我们一直都有在做，只是并没有一直在记录。有时候脑袋真的很像存储机制，即使脑容量有着科学研究的浩如宇宙，但大脑之所谓有“大”来修饰，终归还是会有溢出的时候。所以对于学习生活中运行过的“程序”所残留的内存，要么释放，要么记录加以保管，而技术博客正是这样的存在。

做技术的不空谈，现在开始。。。

在androidApp的开发中会遇到许多需要人机交互的组件，借此获取用户所作出的选择或是反馈。这样的一些组件到底有多少种又该如何实例呢？ 看下图：

![6f06e309-eb9a-3ed9-be22-3f71f85834dd.png][]

而这些组件各自的效果 如下图：

![8f9384eb-fcd2-385d-9d29-139641bc9a93.png][] ![b67fb328-23fb-3093-9af3-0d57e3972fd9.png][] ![24dcf450-cfbf-3592-9387-0a3bc482f181.png][] ![728f9ef1-ea2b-3166-a55a-7f9b6229eb01.png][] ![48c3b4af-756b-3280-9811-7660a8715344.png][]

![7848ff91-7f2b-385b-a372-4c63d21aa6c4.png][] ![6be18d1f-576b-318e-84c2-a78c832876a3.png][] ![8bab82a4-afef-3918-93aa-dbfbbe4f009a.png][] ![fecc1c06-7575-33e7-80bd-51e133712838.png][]

进行插入图片操作时很想吐槽该网站。。。。。

具体代码实现如下：

package com.example.dialogtest;
    
    import java.util.ArrayList;
    
    import android.os.Bundle;
    import android.view.Gravity;
    import android.view.LayoutInflater;
    import android.view.View;
    import android.view.View.OnClickListener;
    import android.widget.Button;
    import android.widget.EditText;
    import android.widget.PopupWindow;
    import android.widget.Toast;
    import android.app.ActionBar.LayoutParams;
    import android.app.Activity;
    import android.app.AlertDialog;
    import android.app.ProgressDialog;
    import android.content.DialogInterface;
    import android.graphics.drawable.BitmapDrawable;
    import android.graphics.drawable.ColorDrawable;
    
    public class MainActivity extends Activity implements Runnable {//Runnable线程接口 下面写进度条选择框时模拟使用
    	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.activity_main);
    		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()
    	{
    		final Button Button[] = {btn_diaNormal,btn_diaMulti,btn_diaList,
    				btn_diaSinChos,	btn_diaMultiChos,btn_diaProcess,btn_diaReadProcess,
    				btn_diaCustom,btn_popUpDia};
    		for(int i = 0;i<9;i++){
    			Button[i].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 bui=new AlertDialog.Builder(MainActivity.this);
    		bui.setIcon(R.drawable.ic_launcher);
    		bui.setTitle("普通的对话框");
    		bui.setMessage("这是普通对话框中的message内容");
    		
    		bui.setPositiveButton("YES", new DialogInterface.OnClickListener() {
    			public void onClick(DialogInterface dialog, int which) 
    				showClickMessage("您点按了确定");
    			}
    		});
    		bui.setNegativeButton("NO", new DialogInterface.OnClickListener() {
    			public void onClick(DialogInterface dialog, int which) {
    				showClickMessage("您点按了取消");
    			}
    		});
    		bui.create().show();//创建并显示
    	}
    	
    	/*多按钮对话框*/
    	private void showMultiDia()
    	{
    		AlertDialog.Builder multiDia=new AlertDialog.Builder(MainActivity.this);
    		multiDia.setTitle("多选项对话框");
    		multiDia.setPositiveButton("Button_1", new DialogInterface.OnClickListener() {
    			public void onClick(DialogInterface dialog, int which) {
    				showClickMessage("您点按了按钮一");
    			}
    		});
    		multiDia.setNeutralButton("Button_2", new DialogInterface.OnClickListener() {
    			public void onClick(DialogInterface dialog, int which) {
    				showClickMessage("您点按了按钮二");
    			}
    		});
    		multiDia.setNegativeButton("Button_3", new DialogInterface.OnClickListener() {
    			public void onClick(DialogInterface dialog, int which) {
    				showClickMessage("您点按了按钮三");
    			}
    		});
    		multiDia.create().show();//创建并显示
    	}
    	
    	
    	/*列表对话框*/
    	private void showListDia()
    	{	
    		//声明一个存放选项的数组
    		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(MainActivity.this);
    		listDia.setTitle("这是一个列表对话框");
    		listDia.setItems(mList, new DialogInterface.OnClickListener() {//setItems(队列对象,监听器);
    			public void onClick(DialogInterface dialog, int which) {
    				/*下标是从0开始的*/
    				showClickMessage(mList[which]);
    			}
    		});
    		listDia.create().show();//创建并显示
    	}
    	
    	/*单项选择对话框*/
    	int yourChose;
    	private void showSinChosDia()
    	{	
    		//声明一个存放选项的数组
    		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(MainActivity.this);
    		sinChosDia.setTitle("单项选择对话框");
    		sinChosDia.setSingleChoiceItems(mList, 0, new DialogInterface.OnClickListener() {
    			
    			public void onClick(DialogInterface dialog, int which) {
    				yourChose=which;
    				
    			}
    		});
    		sinChosDia.setPositiveButton("确定", new DialogInterface.OnClickListener() {
    			public void onClick(DialogInterface dialog, int which) {
    				if(yourChose!=-1)
    				{
    					showClickMessage(mList[yourChose]);
    				}
    			}
    		});
    		sinChosDia.create().show();//创建并显示
    	}
    	
    	/*多项选择对话框*/
    	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();//初始化数组队列
    		AlertDialog.Builder multiChosDia=new AlertDialog.Builder(MainActivity.this);
    		multiChosDia.setTitle("多项选择对话框");
    		multiChosDia.setMultiChoiceItems(mList, mChoseSts, new DialogInterface.OnMultiChoiceClickListener() {
    			
    			public void onClick(DialogInterface dialog, int which, boolean isChecked) {
    				if(isChecked)
    				{
    					myChose.add(which);
    				}
    				else
    				{
    					myChose.remove(which);
    				}
    			}
    		});
    		multiChosDia.setPositiveButton("确定", new DialogInterface.OnClickListener() {
    			
    			public void onClick(DialogInterface dialog, int which) {
    				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(MainActivity.this);
    		mReadProcessDia.setProgress(0);
    		mReadProcessDia.setTitle("进度条窗口");
    		mReadProcessDia.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
    		mReadProcessDia.setMax(MAX_READPROCESS);
    		mReadProcessDia.show();
    		Thread t = new Thread(this);
    		t.start();
    	}
    	
    	//开启一个线程，循环的累加，一直到100停止
    	@Override //重写Runnable中的方法
    	public void run()
    	{
    		int Progress= 0;
    		while(Progress < MAX_READPROCESS)
    		{
    			try {
    				Thread.sleep(100);
    				Progress++;
    				mReadProcessDia.incrementProgressBy(1);
    			} catch (InterruptedException e) {
    				e.printStackTrace();
    			}
    		}
    		//读取完后窗口自消失
    		mReadProcessDia.cancel();
    	}
    	
    	/*读取中的对话框*/
    	private void showProcessDia()
    	{
    		ProgressDialog processDia= new ProgressDialog(MainActivity.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(MainActivity.this);
    		final View viewDia=LayoutInflater.from(MainActivity.this).inflate(R.layout.custom_dialog, null);
    		customDia.setTitle("自定义对话框");
    		customDia.setView(viewDia);
    		customDia.setPositiveButton("YES", new DialogInterface.OnClickListener() {
    			
    			public void onClick(DialogInterface dialog, int which) {
    				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(MainActivity.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.AppBaseTheme);
    		/*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*/
    		/*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);//使window失焦
    		window.setBackgroundDrawable(new BitmapDrawable()); 
    		window.update();
    		window.showAtLocation(parent, Gravity.CENTER_VERTICAL, 0, 0);
    		cusPopupBtn1.setOnClickListener(new OnClickListener() {
    			@Override
    			public void onClick(View v) {
    				showClickMessage("popup window的确定");
    			}
    		});
    	}
    
    	
    	/*显示点击的内容*/
    	private void showClickMessage(String message)
    	{
    		Toast.makeText(MainActivity.this, "你选择的是: "+message, Toast.LENGTH_SHORT).show();
    	}
    }
    
    布局文件：

还有相应的两个布局文件，即自定义对话框和popup window实现的对话框中的布局文件：

<?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" >
    
        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="@drawable/abc123" >
    
            <Button
                android:id="@+id/diaCusPopupSure"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignBaseline="@+id/button1"
                android:layout_alignBottom="@+id/button1"
                android:layout_marginLeft="34dp"
                android:layout_toRightOf="@+id/button1"
                android:text="NO" />
    
            <Button
                android:id="@+id/button1"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignParentBottom="true"
                android:layout_alignParentLeft="true"
                android:layout_marginBottom="185dp"
                android:layout_marginLeft="71dp"
                android:text="YES" />
    
            <TextView
                android:id="@+id/textView1"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_above="@+id/diaCusPopupSure"
                android:layout_alignLeft="@+id/button1"
                android:layout_marginBottom="18dp"
                android:text="是否确定您的选择？"
                android:textSize="20sp" />
    
            <TextView
                android:id="@+id/textView2"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_above="@+id/textView1"
                android:layout_centerHorizontal="true"
                android:layout_marginBottom="50dp"
                android:text="这是通过popup window来实现"
                android:textSize="20sp" />
    
        </RelativeLayout>
    
    </LinearLayout>

至此，android中各类Dialog的实例已经全贴上去了。希望我的总结对大家有所帮助。

晴时有风阴有时雨，听说~下雨天技术博客和敲代码更配哦。。。

梣梓cenzi

2015 4 5

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*  查看图片附件

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