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1.Main.axml
1 <?xml version="1.0" encoding="utf-8"?> 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 android:orientation="vertical" 4 android:layout_width="fill_parent" 5 android:layout_height="fill_parent" 6 android:minWidth="25px" 7 android:minHeight="25px"> 8 <TextView 9 android:text="请输入电话号码：" 10 android:textAppearance="?android:attr/textAppearanceLarge" 11 android:layout_width="match_parent" 12 android:layout_height="wrap_content" 13 android:id="@+id/Tag" /> 14 <EditText 15 android:text="13002929017" 16 android:layout_width="match_parent" 17 android:layout_height="wrap_content" 18 android:id="@+id/PhoneNumberText" /> 19 <Button 20 android:text="转化" 21 android:layout_width="match_parent" 22 android:layout_height="wrap_content" 23 android:id="@+id/TranslateButton" /> 24 <Button 25 android:text="呼叫" 26 android:layout_width="match_parent" 27 android:layout_height="wrap_content" 28 android:id="@+id/CallButton" /> 29 <Button 30 android:text="@string/callHistory" 31 android:layout_width="match_parent" 32 android:layout_height="wrap_content" 33 android:id="@+id/CallHistoryButton" 34 android:enabled="false" /> 35 </LinearLayout>
2.MainActivity.cs
1 using System; 2 using System.Collections.Generic; 3 using Android.App; 4 using Android.Content; 5 using Android.Runtime; 6 using Android.Views; 7 using Android.Widget; 8 using Android.OS; 9 10 namespace Phoneword_Droid 11 { 12 [Activity(Label = "Phoneword_Droid", MainLauncher = true, Icon = "@drawable/icon")] 13 public class MainActivity : Activity 14 { 15 int count = 1; 16 static readonly List<string> phoneNumbers = new List<string>(); 17 18 protected override void OnCreate(Bundle bundle) 19 { 20 //button.Click += delegate { button.Text = string.Format("{0} clicks!", count++); }; 21 22 base.OnCreate(bundle); 23 SetContentView(Resource.Layout.Main); 24 25 EditText phoneNumberText = FindViewById<EditText>(Resource.Id.PhoneNumberText); 26 Button translateButton = FindViewById<Button>(Resource.Id.TranslateButton); 27 Button callButton = FindViewById<Button>(Resource.Id.CallButton); 28 Button callHistoryButton = FindViewById<Button>(Resource.Id.CallHistoryButton); 29 30 callButton.Enabled = false; 31 32 #region//转化拨号 33 string translatedNumber = string.Empty; 34 translateButton.Click += (object sender, EventArgs e) => 35 { 36 translatedNumber = PhoneTranslator.ToNumber(phoneNumberText.Text); 37 if (String.IsNullOrWhiteSpace(translatedNumber)) 38 { 39 callButton.Text = "Call"; 40 callButton.Enabled = false; 41 } 42 else 43 { 44 callButton.Text = "Call" + translatedNumber; 45 callButton.Enabled = true; 46 } 47 }; 48 #endregion 49 50 #region//拨打电话 51 callButton.Click += (s, e) => 52 { 53 //对话框 54 var callDialog = new AlertDialog.Builder(this); 55 56 //对话框内容 57 callDialog.SetMessage("Call" + translatedNumber + "?"); 58 59 //拨打按钮 60 callDialog.SetNeutralButton("Call", delegate 61 { 62 ////使用意图拨打电话 63 //var callIntent = new Intent(Intent.ActionCall); 64 65 ////将需要拨打的电话设置为意图的参数 66 //callIntent.SetData(Android.Net.Uri.Parse("tel:" + translatedNumber)); 67 68 //StartActivity(callIntent); 69 70 //将电话加入到历史记录列表中 71 phoneNumbers.Add(translatedNumber); 72 73 //如果callHistoryButton的定义在这段代码后面将会出错，所以我们这个时候需要将 74 //Button callHistoryButton = FindViewById<Button>(Resource.Id.CallHistoryButton); 代码提前 75 callHistoryButton.Enabled = true; 76 77 //使用意图拨打电话 78 var callIntent = new Intent(Intent.ActionCall); 79 80 //将需要拨打的电话设置为意图的参数 81 callIntent.SetData(Android.Net.Uri.Parse("tel:" + translatedNumber)); 82 83 StartActivity(callIntent); 84 85 }); 86 87 //取消按钮 88 callDialog.SetNegativeButton("Cancel", delegate { }); 89 90 //显示对话框 91 callDialog.Show(); 92 }; 93 #endregion 94 95 #region//通话记录 96 callHistoryButton.Click += (e, t) => 97 { 98 //指定意图需要打开的活动 99 var intent = new Intent(this, typeof(CallHistoryActivity)); 100 //设置意图传递的参数 101 intent.PutStringArrayListExtra("phone_numbers", phoneNumbers); 102 StartActivity(intent); 103 }; 104 #endregion 105 106 } 107 } 108 }
3.PhoneTranslator.cs
1 using System; 2 using System.Collections.Generic; 3 using Android.App; 4 using Android.Content; 5 using Android.Runtime; 6 using Android.Views; 7 using Android.Widget; 8 using Android.OS; 9 10 namespace Phoneword_Droid 11 { 12 [Activity(Label = "Phoneword_Droid", MainLauncher = true, Icon = "@drawable/icon")] 13 public class MainActivity : Activity 14 { 15 int count = 1; 16 static readonly List<string> phoneNumbers = new List<string>(); 17 18 protected override void OnCreate(Bundle bundle) 19 { 20 //button.Click += delegate { button.Text = string.Format("{0} clicks!", count++); }; 21 22 base.OnCreate(bundle); 23 SetContentView(Resource.Layout.Main); 24 25 EditText phoneNumberText = FindViewById<EditText>(Resource.Id.PhoneNumberText); 26 Button translateButton = FindViewById<Button>(Resource.Id.TranslateButton); 27 Button callButton = FindViewById<Button>(Resource.Id.CallButton); 28 Button callHistoryButton = FindViewById<Button>(Resource.Id.CallHistoryButton); 29 30 callButton.Enabled = false; 31 32 #region//转化拨号 33 string translatedNumber = string.Empty; 34 translateButton.Click += (object sender, EventArgs e) => 35 { 36 translatedNumber = PhoneTranslator.ToNumber(phoneNumberText.Text); 37 if (String.IsNullOrWhiteSpace(translatedNumber)) 38 { 39 callButton.Text = "Call"; 40 callButton.Enabled = false; 41 } 42 else 43 { 44 callButton.Text = "Call" + translatedNumber; 45 callButton.Enabled = true; 46 } 47 }; 48 #endregion 49 50 #region//拨打电话 51 callButton.Click += (s, e) => 52 { 53 //对话框 54 var callDialog = new AlertDialog.Builder(this); 55 56 //对话框内容 57 callDialog.SetMessage("Call" + translatedNumber + "?"); 58 59 //拨打按钮 60 callDialog.SetNeutralButton("Call", delegate 61 { 62 ////使用意图拨打电话 63 //var callIntent = new Intent(Intent.ActionCall); 64 65 ////将需要拨打的电话设置为意图的参数 66 //callIntent.SetData(Android.Net.Uri.Parse("tel:" + translatedNumber)); 67 68 //StartActivity(callIntent); 69 70 //将电话加入到历史记录列表中 71 phoneNumbers.Add(translatedNumber); 72 73 //如果callHistoryButton的定义在这段代码后面将会出错，所以我们这个时候需要将 74 //Button callHistoryButton = FindViewById<Button>(Resource.Id.CallHistoryButton); 代码提前 75 callHistoryButton.Enabled = true; 76 77 //使用意图拨打电话 78 var callIntent = new Intent(Intent.ActionCall); 79 80 //将需要拨打的电话设置为意图的参数 81 callIntent.SetData(Android.Net.Uri.Parse("tel:" + translatedNumber)); 82 83 StartActivity(callIntent); 84 85 }); 86 87 //取消按钮 88 callDialog.SetNegativeButton("Cancel", delegate { }); 89 90 //显示对话框 91 callDialog.Show(); 92 }; 93 #endregion 94 95 #region//通话记录 96 callHistoryButton.Click += (e, t) => 97 { 98 //指定意图需要打开的活动 99 var intent = new Intent(this, typeof(CallHistoryActivity)); 100 //设置意图传递的参数 101 intent.PutStringArrayListExtra("phone_numbers", phoneNumbers); 102 StartActivity(intent); 103 }; 104 #endregion 105 106 } 107 } 108 }
4.CallHistoryActivity.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Android.App;
using Android.Content;
using Android.OS;
using Android.Runtime;
using Android.Views;
using Android.Widget;
namespace Phoneword_Droid
{
[Activity(Label = "@string/callHistory")]
public class CallHistoryActivity : ListActivity
{
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
//从意图中获取传递过来的参数
var phoneNumbers = Intent.Extras.GetStringArrayList("phone_numbers") ?? new string[0];
//将字符串数组显示到列表控件中（因为继承的是ListActivity所以整个视图就是一个列表）
this.ListAdapter = new ArrayAdapter<string>(this, Android.Resource.Layout.SimpleListItem1, phoneNumbers);
//关于ArrayAdapter的第二个参数，其实就是指定列表中每个项的视图，后面我们会通过自定义的方式控制列表的项
}
}
}
模拟器
运行效果
Xamarin.Android 入门实例（3）之呼叫电话号码
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原文地址：http://www.cnblogs.com/mschen/p/4262136.html
