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(); } ArrayListmyChose= new ArrayList (); 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
布局,就是一堆的button
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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。