rexseeCallLog对象，实现自定义数量的最近通话记录，自定义查询最近通话，读取记录数据库表的URI地址。。
【函数】 JsonObjectArray get(int number)
【说明】 获取指定数量的最近通话。
【返回】 Json对象数组，使用eval('('+json+')')转换为JavaScript对象数组。
【参数】 number：要获取的最近通话的数量。
【示例】
alert(rexseeCallLog.get(10));
【函数】 JsonObjectArray get(String type, int number)
【说明】 获取值类型、指定数量的最近通话。
【返回】 Json对象数组，使用eval('('+json+')')转换为JavaScript对象数组。
【参数】 type：类型，"INCOMING"(数据库中为1)、"OUTGOING"(数据库中为2)或"MISSED"(数据库中为3)。
number：要获取的最近通话的数量。
【示例】
alert(rexseeCallLog.get('INCOMING',10));
alert(rexseeCallLog.get('OUTGOING',10));
alert(rexseeCallLog.get('MISSED',10));
【函数】 JsonArray getColumns()
【说明】 获取通话记录数据表所有字段。
【返回】 Json数组，使用eval('('+json+')')转换为JavaScript数组，注意，为了提高效率，调用get()或getData()时并不会返回其中所有字段。
【参数】 无
【示例】
alert(rexseeCallLog.getColumns());
【函数】 JsonObjectArray getData(String selection, int number)
【说明】 获取自定义查询条件的最近通话。
【返回】 Json对象数组，使用eval('('+json+')')转换为JavaScript对象数组。
【参数】 selection：自定义查询条件，相当于SQL语句中的WHERE字句（不含单词WHERE）。
number：要获取的最近通话的数量。
【示例】
alert(rexseeCallLog.getData('duration<10',10));
RexseeCallLog.java源码：
/*
* Copyright (C) 2011 The Rexsee Open Source Project
*
* Licensed under the Rexsee License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.rexsee.com/CN/legal/license.html
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package rexsee.content;
import rexsee.core.browser.JavascriptInterface;
import rexsee.core.browser.RexseeBrowser;
import rexsee.core.browser.UrlListener;
import rexsee.core.lang.RexseeLanguage;
import rexsee.core.utilities.RexseeUtilities;
import android.content.ContentResolver;
import android.content.Context;
import android.database.Cursor;
import android.provider.CallLog.Calls;
public class RexseeCallLog implements JavascriptInterface {
private static final String INTERFACE_NAME = "CallLog";
@Override
public String getInterfaceName() {
return mBrowser.application.resources.prefix + INTERFACE_NAME;
}
@Override
public JavascriptInterface getInheritInterface(RexseeBrowser childBrowser) {
return this;
}
@Override
public JavascriptInterface getNewInterface(RexseeBrowser childBrowser) {
return new RexseeCallLog(childBrowser);
}
private static final String[] CALLS_COLUMNS = new String[]{
Calls.NUMBER, //0
Calls.TYPE, //1
Calls.DATE, //2
Calls.DURATION //3
};
private final Context mContext;
private final RexseeBrowser mBrowser;
public RexseeCallLog(RexseeBrowser browser) {
mBrowser = browser;
mContext = browser.getContext();
browser.urlListeners.add(new UrlListener(mBrowser.application.resources.prefix + ":callLog") {
@Override
public void run(final Context context, final RexseeBrowser browser, String url) {
new Thread() {
@Override
public void run() {
browser.progressDialog.show(RexseeLanguage.PROGRESS_ONGOING);
String html = "<HTML><HEAD><TITLE>" + Calls.CONTENT_URI.toString() + "</TITLE></HEAD>";
html += "<BODY style='margin:0px;background-color:black;color:white;'>";
html += "<table width=100% cellspacing=0 style='color:white;font-size:14px;'>";
try {
ContentResolver contentResolver = context.getContentResolver();
String[] columns = new String[]{
Calls.NUMBER, //0
Calls.TYPE, //1
Calls.DATE, //2
Calls.DURATION //3
};
Cursor cursor = contentResolver.query(Calls.CONTENT_URI, columns, null, null, Calls.DATE + " DESC limit 100");
if (cursor == null || cursor.getCount() == 0) {
html += "<tr><td style='padding:10px;'>No recent call found.</td></tr>";
} else {
for (int i = 0; i < cursor.getCount(); i++) {
cursor.moveToPosition(i);
html += "<tr><td style='border-bottom:1px solid #222222; padding:10 5 10 5;'>";
html += "<div style='font-size:16px;font-weight:bold;'>" + cursor.getString(0) + "</div>";
html += "<div>" + getType(cursor.getInt(1)) + "</div>";
html += "<div>" + RexseeUtilities.timeStamp2dateString(cursor.getLong(2)) + "</div>";
html += "<div>" + cursor.getString(3) + " seconds</div>";
html += "</td></tr>";
}
}
cursor.close();
} catch (Exception e) {
html += "<tr><td style='padding:10px;'>Exception: " + e.getLocalizedMessage() + "</td></tr>";
}
html += "</table>";
html += "</BODY>";
html += "</HTML>";
browser.function.loadHTMLWithoutHistory(html);
}
}.start();
}
@Override
public boolean shouldAddToHistory(Context context, RexseeBrowser browser, String url) {
return true;
}
});
}
private static String getType(int type) {
switch (type) {
case Calls.MISSED_TYPE :
return "MISSED";
case Calls.INCOMING_TYPE :
return "INCOMING";
case Calls.OUTGOING_TYPE :
return "OUTGOING";
default :
return "unknown";
}
}
private static int getType(String type) {
if (type == null) return -1;
else if (type.equalsIgnoreCase("MISSED")) return Calls.MISSED_TYPE;
else if (type.equalsIgnoreCase("INCOMING")) return Calls.INCOMING_TYPE;
else if (type.equalsIgnoreCase("OUTGOING")) return Calls.OUTGOING_TYPE;
else return -1;
}
//JavaScript Interface
public String getContentUri() {
return Calls.CONTENT_URI.toString();
}
public String get(int number) {
return get(null, number);
}
public String get(String type, int number) {
int t = getType(type);
String selection = (t > 0) ? Calls.TYPE + "=" + t : null;
return getData(selection, number);
}
public String getData(String selection, int number) {
ContentResolver contentResolver = mContext.getContentResolver();
Cursor cursor;
if (number > 0) {
cursor = contentResolver.query(Calls.CONTENT_URI, CALLS_COLUMNS, selection, null, Calls.DATE + " DESC limit " + number);
} else {
cursor = contentResolver.query(Calls.CONTENT_URI, CALLS_COLUMNS, selection, null, Calls.DATE + " DESC");
}
if (cursor == null) return "[]";
String rtn = "";
for (int i = 0; i < cursor.getCount(); i++) {
cursor.moveToPosition(i);
if (i > 0) rtn += ",";
rtn += "{";
rtn += "\"number\":\"" + cursor.getString(0) + "\"";
rtn += ",\"type\":\"" + getType(cursor.getInt(1)) + "\"";
rtn += ",\"date\":" + cursor.getString(2);
rtn += ",\"duration\":" + cursor.getString(3);
rtn += "}";
}
cursor.close();
return "[" + rtn + "]";
}
public String getColumns() {
return RexseeContent.getContentColumns_(mContext, Calls.CONTENT_URI);
}
}
仅对Rexsee的源码和函数事件做了整理，相关的demo或源码解析可以在Rexsee社区了解，目前Rexsee已提供了近2000个扩展，覆盖Android原生功能超过90%，且全部开放：http://www.rexsee.com/
来源：oschina
链接：https://my.oschina.net/u/194999/blog/49199