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打電話<a href="tel:10086" >移動客服</a>
發短信<a href="sms:10086" >發短信</a>
但這中方式只能實現撥打電話和發送短信,不能反饋結果,比如我想在應用能實現撥打電話,通話結束後自動保存通話的電話號碼、通話時間、時長等,默認的html功能就不能滿足了。
phonegap官方不提供的功能,我們只有自己通過開發插件了實現了
下面我們通過代碼來簡單介紹下phonegap插件開發步驟:
壹、定義JS插件API
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var Phone = function() {
};
Phone.prototype.call = function (successCallback, failureCallback,number) {
cordova.exec(successCallback, failureCallback, "Phone", "call", [number]);
};
window.Phone = new Phone();
上面的代碼我們定義了壹個Phone插件,插件有壹個call API,我們傳入
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successCallback
failureCallback
分別做為電話撥打成功和失敗的回調函數
傳入
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number
做為電話號碼
在方法裏邊調用
phonegap的cordova.exec()
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cordova.exec(successCallback, failureCallback, "Phone", "call", [number]);
就是在這個方法裏將執行到native端的功能調用
最後我們new壹個Phone對象,把他附件到window對象上,方便以後調用。
這樣,插件的JS代碼完成。
二、native端代碼(以android平臺為例)
先直接上代碼
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package com.juhuibao.PhoneGapPlugin;
import java.util.Date;
import org.apache.cordova.api.CallbackContext;
import org.apache.cordova.api.CordovaPlugin;
import org.apache.cordova.api.PluginResult;
import org.json.JSONArray;
import org.json.JSONException;
import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.provider.CallLog.Calls;
import android.telephony.PhoneNumberUtils;
public class Phone extends CordovaPlugin {
private static final int PHONE_CALL = 0; // 撥打電話
private static final int PHONE_ABORT = 1; // 掛斷電話
private Date start_time;
private CallbackContext callbackContext;
private String phonenumber;
@Override
public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException {
try{
this.callbackContext = callbackContext;
if ("call".equals(action)) {
this.phonenumber=args.getString(0);
this.call(args.getString(0),callbackContext);
return true;
}
if ("abort".equals(action)) {
this.abort(callbackContext);
return true;
}
return false;
}
catch(Exception e){
callbackContext.error(e.getMessage());
}
return false;
}
//撥打電話
private void call(String phonenumber, CallbackContext callbackContext) {
if (phonenumber != null && phonenumber.length() > 0) {
if(PhoneNumberUtils.isGlobalPhoneNumber(phonenumber)){
Intent i = new Intent();
i.setAction(Intent.ACTION_CALL);
i.setData(Uri.parse("tel:"+phonenumber));
start_time=new Date();
this.cordova.startActivityForResult(this, i,PHONE_CALL);
}
else{
callbackContext.error(phonenumber+"不是有效的電話號碼。");
}
} else {
callbackContext.error("電話號碼不能為空.");
}
}
//中斷電話
private void abort(CallbackContext callbackContext) {
}
public void onActivityResult(int requestCode, int resultCode, Intent intent) {
Date end_time=new Date();
if (resultCode == Activity.RESULT_OK) {
if (requestCode == PHONE_CALL) {
this.callbackContext.error("未知狀態");
}
}
else if (resultCode == Activity.RESULT_CANCELED) {
try{
if (requestCode == PHONE_CALL) {
long duration=GetLastCallDuration();
PhoneResult result=new PhoneResult();
result.setNumber(Phone.this.phonenumber);
result.setStartTime(Phone.this.start_time);
result.setEndTime(end_time);
result.setDuration(duration);
this.callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK, result.toJSONObject()));
}
}
catch(Exception e){
this.callbackContext.error(e.getMessage());
}
}
else {
this.callbackContext.error("其他錯誤!");
}
}
long delayTime=0;
long timeOut=2000;
long GetLastCallDuration() throws InterruptedException{
Activity activity = this.cordova.getActivity();
Cursor cursor = activity.getContentResolver().query(Calls.CONTENT_URI,
new String[] {Calls.NUMBER,Calls.DATE, Calls.DURATION, Calls.TYPE, Calls.DATE },
"number=?and type=?",
new String[]{this.phonenumber,"2"},
Calls.DEFAULT_SORT_ORDER);
activity.startManagingCursor(cursor);
boolean hasRecord = cursor.moveToFirst();
if (hasRecord) {
long endTime=cursor.getLong(cursor.getColumnIndex(Calls.DATE));
Date date = new Date(endTime);
long duration = cursor.getLong(cursor.getColumnIndex(Calls.DURATION));
long dif=this.start_time.getTime()-date.getTime();
long second=dif/1000;
if(second<2&&second>-2){
return duration;
}else{
if(delayTime>=timeOut){
return 0;
}
Thread.sleep(200);
delayTime+=200;
return GetLastCallDuration();
}
}else{
if(delayTime>=timeOut){
return 0;
}
Thread.sleep(200);
delayTime+=200;
return GetLastCallDuration();
}
}
}
然後調用具體實現撥打電話功能的方法call方法,在call方法內我們首先判斷電話號碼合法性,不合法直接調用callbackContext.error("不是有效的電話號碼。"),這個方法將觸發JS端的error回調函數執行,並傳入壹個字符串參數,比如以上的failureCallback
如果電話號碼合法則彈出呼叫界面,如下代碼
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if(PhoneNumberUtils.isGlobalPhoneNumber(phonenumber)){
Intent i = new Intent();
i.setAction(Intent.ACTION_CALL);
i.setData(Uri.parse("tel:"+phonenumber));
start_time=new Date();
this.cordova.startActivityForResult(this, i,PHONE_CALL);
}
else{
callbackContext.error(phonenumber+"不是有效的電話號碼。");
}
在代碼中我們通過變量start_time記錄開始時間,然後使用this.cordova.startActivityForResult(this, i,PHONE_CALL);啟動Activity。
在終止撥號或掛斷電話時將執行onActivityResult方法,我們將在此方法內實現通話狀態信息的反饋。主要看壹下這段代碼
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else if (resultCode == Activity.RESULT_CANCELED) {
try{
if (requestCode == PHONE_CALL) {
long duration=GetLastCallDuration();
PhoneResult result=new PhoneResult();
result.setNumber(Phone.this.phonenumber);
result.setStartTime(Phone.this.start_time);
result.setEndTime(end_time);
result.setDuration(duration);
this.callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK, result.toJSONObject()));
}
}
catch(Exception e){
this.callbackContext.error(e.getMessage());
}
}
不管電話有沒有接通,resultCode總是等於Activity.RESULT_CANCELED。
我們通過GetLastCallDuration()方法獲得通話時長,原理就是讀取通話記錄裏邊的duration字段,由於通話剛結束時通話記錄可能還沒出現記錄,所以我們要反復調用該方法,直到有記錄或到超時時間為止。
取得了時長我們通過this.callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK, result.toJSONObject()));把結果反饋給JS端。
附 PhoneResult.java
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package com.juhuibao.PhoneGapPlugin;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.json.JSONException;
import org.json.JSONObject;
public class PhoneResult {
private String number = "";
private Date startTime;
private Date endTime;;
private long duration = 0;
public JSONObject toJSONObject() throws JSONException {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss:S");
return new JSONObject(
"{number:" + JSONObject.quote(number) +
",startTime:" + JSONObject.quote(sdf.format(startTime)) +
",endTime:" + JSONObject.quote(sdf.format(endTime)) +
",duration:" + duration + "}");
}
public String getNumber() {
return number;
}
public void setNumber(String number) {
this.number = number;
}
public Date getStartTime() {
return startTime;
}
public void setStartTime(Date startTime) {
this.startTime = startTime;
}
public Date getEndTime() {
return endTime;
}
public void setEndTime(Date endTime) {
this.endTime = endTime;
}
public long getDuration() {
return duration;
}
public void setDuration(long duration) {
this.duration = duration;
}
}
這樣native端的代碼完成。
三、客戶端調用
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window.Phone.call(function (obj) { alert(JSON.stringify(obj));
}, function (err) { alert(err); }, "13401100000");
四、配置插件
在config.xml文件中註冊插件
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<plugin name="Phone" value="com.juhuibao.PhoneGapPlugin.Phone"/>
在AndroidManifest.xml文件中增加權限
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<uses-permission android:name="android.permission.CALL_PHONE" />
<uses-permission android:name="android.permission.READ_CALL_LOG" />
<uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS" />
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>