发布于 2016-05-10 06:26:22 | 152 次阅读 | 评论: 0 | 来源: 网友投递

这里有新鲜出炉的精品教程,程序狗速度看过来!

Android移动端操作系统

Android是一种基于Linux的自由及开放源代码的操作系统,主要使用于移动设备,如智能手机和平板电脑,由Google公司和开放手机联盟领导及开发。尚未有统一中文名称,中国大陆地区较多人使用“安卓”或“安致”。


App中少不了与用户交互的各种dialog,以此达到很好的用户体验,下面给大家介绍Android开发必知 九种对话框的实现方法,有需要的朋友可以参考下

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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