Android開發必知 九種對話框的實現方法

在開發過程中，與用戶交互式免不了會用到對話框以實現更好的用戶體驗，所以掌握幾種對話框的實現方法還是非常有必要的。在看具體實例之前先對AlertDialog做一個簡單介紹。AlertDialog是功能最豐富、實踐應用最廣的對話框，它可以生成各種內容的對話框。但實際上AlertDialog生成的對話框總體可分為以下4個區域：圖標區、標題區、內容區、按鈕區。

這裡總結了九種對話框的實現方法，有需要的朋友可以來學習下了

除了popupwindow實現稍微麻煩一點，其他形似都相對簡單，熟悉2便即可

直接上源碼

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; 
        } 
      } 
    } 
  }; 
  /*普通的對話框*/ 
  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("普通的對話框"); 
    normalDia.setMessage("普通對話框的message內容"); 
    normalDia.setPositiveButton("確定", new DialogInterface.OnClickListener() { 
      @Override 
      public void onClick(DialogInterface dialog, int which) { 
        // TODO Auto-generated method stub 
        showClickMessage("確定"); 
      } 
    }); 
    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(); 
  } 
  /*多按鈕對話框*/ 
  private void showMultiDia() 
  { 
    AlertDialog.Builder multiDia=new AlertDialog.Builder(DiaAllActivity.this); 
    multiDia.setTitle("多選項對話框"); 
    multiDia.setPositiveButton("按鈕一", new DialogInterface.OnClickListener() { 
      @Override 
      public void onClick(DialogInterface dialog, int which) { 
        // TODO Auto-generated method stub 
        showClickMessage("按鈕一"); 
      } 
    }); 
    multiDia.setNeutralButton("按鈕二", new DialogInterface.OnClickListener() { 
      @Override 
      public void onClick(DialogInterface dialog, int which) { 
        // TODO Auto-generated method stub 
        showClickMessage("按鈕二"); 
      } 
    }); 
    multiDia.setNegativeButton("按鈕三", new DialogInterface.OnClickListener() { 
      @Override 
      public void onClick(DialogInterface dialog, int which) { 
        // TODO Auto-generated method stub 
        showClickMessage("按鈕三"); 
      } 
    }); 
    multiDia.create().show(); 
  } 
  /*列表對話框*/ 
  private void showListDia() 
  { 
    final String[] mList={"選項1","選項2","選項3","選項4","選項5","選項6","選項7"}; 
    AlertDialog.Builder listDia=new AlertDialog.Builder(DiaAllActivity.this); 
    listDia.setTitle("列表對話框"); 
    listDia.setItems(mList, new DialogInterface.OnClickListener() { 
      @Override 
      public void onClick(DialogInterface dialog, int which) { 
        // TODO Auto-generated method stub 
        /*下標是從0開始的*/ 
        showClickMessage(mList[which]); 
      } 
    }); 
    listDia.create().show(); 
  } 
  /*單項選擇對話框*/ 
  int yourChose=-1; 
  private void showSinChosDia() 
  { 
    final String[] mList={"選項1","選項2","選項3","選項4","選項5","選項6","選項7"}; 
    yourChose=-1; 
    AlertDialog.Builder sinChosDia=new AlertDialog.Builder(DiaAllActivity.this); 
    sinChosDia.setTitle("單項選擇對話框"); 
    sinChosDia.setSingleChoiceItems(mList, 0, new DialogInterface.OnClickListener() { 
      @Override 
      public void onClick(DialogInterface dialog, int which) { 
        // TODO Auto-generated method stub 
        yourChose=which; 
      } 
    }); 
    sinChosDia.setPositiveButton("確定", 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={"選項1","選項2","選項3","選項4","選項5","選項6","選項7"}; 
    final boolean mChoseSts[]={false,false,false,false,false,false,false}; 
    myChose.clear(); 
    AlertDialog.Builder multiChosDia=new AlertDialog.Builder(DiaAllActivity.this); 
    multiChosDia.setTitle("多項選擇對話框"); 
    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("確定", 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(); 
  } 
  //進度讀取框需要模擬讀取 
  ProgressDialog mReadProcessDia=null; 
  public final static int MAX_READPROCESS = 100; 
  private void showReadProcess() 
  { 
    mReadProcessDia=new ProgressDialog(DiaAllActivity.this); 
    mReadProcessDia.setProgress(0); 
    mReadProcessDia.setTitle("進度條窗口"); 
    mReadProcessDia.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); 
    mReadProcessDia.setMax(MAX_READPROCESS); 
    mReadProcessDia.show(); 
    new Thread(this).start(); 
  } 
  //新開啟一個線程，循環的累加，一直到100然後在停止 
  @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(); 
      } 
    } 
    //讀取完了以後窗口自消失 
    mReadProcessDia.cancel(); 
  } 
  /*讀取中的對話框*/ 
  private void showProcessDia() 
  { 
    ProgressDialog processDia= new ProgressDialog(DiaAllActivity.this); 
    processDia.setTitle("進度條框"); 
    processDia.setMessage("內容讀取中..."); 
    processDia.setIndeterminate(true); 
    processDia.setCancelable(true); 
    processDia.show(); 
  } 
  /*自定義對話框*/ 
  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("自定義對話框"); 
    customDia.setView(viewDia); 
    customDia.setPositiveButton("確定", 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 來實現*/ 
  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); 
    /*必須調用setBackgroundDrawable， 因為popupwindow在初始時，會檢測background是否為null,如果是onTouch or onKey events就不會相應，所以必須設置background*/ 
    /*網上也有很多人說，彈出pop之後，不響應鍵盤事件了，這個其實是焦點在pop裡面的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的確定"); 
      } 
    }); 
  } 
  /*顯示點擊的內容*/ 
  private void showClickMessage(String message) 
  { 
    Toast.makeText(DiaAllActivity.this, "你選擇的是: "+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="各種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="多按鈕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="單項選擇Dialog" 
    android:id="@+id/btn_diaSigChos"/> 
  <Button  
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:text="多項選擇Dialog" 
    android:id="@+id/btn_diaMultiChos"/> 
  <Button  
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:text="進度條Dialog" 
    android:id="@+id/btn_diaReadProcess"/> 
  <Button  
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:text="讀取中Dialog" 
    android:id="@+id/btn_diaProcess"/> 
  <Button  
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:text="自定義Dialog" 
    android:id="@+id/btn_diaCustom"/> 
  <Button  
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:text="PopUpWindow實現的dialog" 
    android:id="@+id/btn_popUpDia"/> 
</LinearLayout> 

以上是Android開發必知 九種對話框的實現方法，代碼主要用AlertDialog生成的對話框，它的功能豐富、使用最廣。