1、Android 操作系統(tǒng)及應(yīng)用開發(fā)經(jīng)驗(yàn)技巧和常見問題一、常見開發(fā)技巧【錯(cuò)誤信息】2011-01-19 16:39:10 - ApiDemos WARNING: Application does not specify an API level requirement!2011-01-19 16:39:10 - ApiDemos Device API version is 8 (Android 2.2)原因：不影響正常運(yùn)行。在 AndroidManifest.xml 文件中沒有加 API 的版本號(hào)，在 之間加2011-01-19 16:55:04 - ApiDemos Installation

2、error:INSTALL_FAILED_INSUFFICIENT_STORAGE2011-01-19 16:55:04 - ApiDemos Please check logcat output for more details. 2011-01-19 16:55:05 - ApiDemos Launch canceled!該設(shè)備沒有足夠的存儲(chǔ)空間來安裝應(yīng)用程序，【錯(cuò)誤信息】2011-02-18 11:46:53 Failed to push selection: Is a directory原因：原先目錄已經(jīng)有 pkg_3.apk 的文件夾，再 copy 一個(gè) pkg_3.apk 安裝文件

3、時(shí)出現(xiàn)問題，解決辦法，先刪除掉 pkg_3.apk 的文件夾2011-03-04 09:25:12 - ActivityMain: Dx UNEXPECTED TOP-LEVEL EXCEPTION:java.lang.IllegalArgumentException: already added: Lorg1/apache/commons/codec/net/RFC1522Codec;2011-03-04 09:25:12 - ActivityMain: Dx atcom.android.dx.dex.file.ClassDefsSection.add(ClassDefsSection.ja

4、va:123) 2011-03-04 09:25:12 - ActivityMain: Dx at com.android.dx.dex.file.DexFile.add(DexFile.java:143).2011-03-04 09:25:12 - ActivityMain: Dx1 error; aborting2011-03-04 09:25:12 - ActivityMain Conversion to Dalvik format failed with error 1原因：【錯(cuò)誤信息】啟動(dòng) Eclipse 時(shí)出現(xiàn)：this android sdk requires android d

5、eveloper toolkit version 10.0.0 or above.current version is 8.0.1.v201012062107-82219.please update adt to the latest version原因：Eclipse 的 android 開發(fā)插件版本過低，應(yīng)該下載 ADT-10.0.0，并且 1.啟動(dòng) Eclipse, 然后進(jìn)入 Help Install New Software. 2.在 Available Software 對(duì)話框里，點(diǎn)擊 Add.【錯(cuò)誤信息】2011-03-09 15:21:34 - Info Failed to in

6、stall Info.apk on device ?: Unable to open sync connection!2011-03-09 15:21:34 - Info java.io.IOException: Unable to open sync connection!2011-03-09 15:21:34 - Info Launch canceled!原因：關(guān)閉模擬器和 eclipse，執(zhí)行 adb kill-server 命令，然后重試一下【錯(cuò)誤信息】調(diào)用 Webservice 時(shí)出現(xiàn).SocketException: Permission denied (maybe

7、 missing INTERNET permission)原因:需要訪問到網(wǎng)絡(luò)，所以，在 AndroidManifest.xml 中，需要進(jìn)行如下配置：【錯(cuò)誤信息】org.xmlpull.v1.XmlPullParserException: expected: START_TAG/soap/envelope/Envelope (position:START_TAG2:603 injava.io.InputStreamReader44a3a7b0)原因有可能是以下 2 個(gè)之一:1）Webservice 服務(wù)器的 Soap 版本為 1.0，所以客戶

8、端指定SoapSerializationEnvelope envelope = newSoapSerializationEnvelope(SoapEnvelope.VER11);VER11 改為 VER102）String serviceUrl =1:10000/nqbx/service/InqBxWebService?wsdl;Url 指的是你的 webservice 的地址.一般都是以*.wsdl 或者*.?wsdl 結(jié)束的.但是.需要注意的是.要去掉后面的.wsdl 或者.?wsdl【錯(cuò)誤信息】在新的線程中 public class HttpThre

9、ad extends Thread .增加一個(gè)彈出窗體：java view plaincopyprint?1. new AlertDialog.Builder(this).setTitle(數(shù)據(jù)加載失敗).setMessage(請(qǐng)檢查網(wǎng)絡(luò)連接情況).setPositiveButton(OK, new DialogInterface.OnClickListener()public void onClick(DialogInterface dialoginterface, int i).show();原因及解決辦法：/不能在線程中操作 UI 界面java.lang.RuntimeException

10、: Cant create handler inside thread that has not calledLooper.prepare()new AlertD ialog.B uilder(this).setTitle(數(shù)據(jù)加載失敗).setM essage(請(qǐng)檢查網(wǎng)絡(luò)連接情況修改后：java view plaincopyprint?1.new AlertDialog.Builder(query.chuanbo_detail.this).setTitle(數(shù)據(jù)加載失敗).setMessage(請(qǐng)檢查網(wǎng)絡(luò)連接情況).setPositiveButton(OK,

11、 new DialogInterface.OnClickListener()public void onClick(DialogInterface dialoginterface, int i)【錯(cuò)誤信息】The constructor AlertDialog.Builder(chuanbo_detail.HttpThread) is undefined原因及解決辦法：在 UI 主線程之外是無法對(duì) UI 組件進(jìn)行控制的。因?yàn)槟惚仨氃谛戮€程任務(wù)完成之后利用各種方法先 UI 主線程發(fā)送消息任務(wù)完成從而來顯示各種提示消息。線程間通信方法有多種，常用的是用 handler 來傳遞消息。如下：線程中構(gòu)造

12、消息：java view plaincopyprint?new AlertD ialog.B uilder(com .query.chuanbo_detail.this).setTitle(數(shù)據(jù)加載失1. /構(gòu)造消息Message message = handle.obtainMessage();Bundle b = new Bundle();b.putS tring(tag, 1);message.setData(b);handle.sendMessage(message);/構(gòu)造消息M essage m essage = handle.obtainM essage

13、();B undle b = new Bundle();b.putS另外自定義消息：c-sharp view plaincopyprint?1./* * 捕獲消息隊(duì)列 fubin.pan 2011-04-02 */Handler handler = new Handler() public void handl eMessage(Message m) if (!m.getData().getString(tag).equals(1).elsenew AlertDialog.Builder(chuanbo_detail.this).setTitle(數(shù)據(jù)加載失敗).setMessage(請(qǐng)檢查網(wǎng)

14、絡(luò)連接情況！).setPositiveButton(OK, new DialogInterface.OnClickListener()public void onClick(DialogInterface dialoginterface, int i).show();【錯(cuò)誤信息】/* * 捕獲消息隊(duì)列 fubin.pan 2011-04-02 */Handler handler = new Handler() publiandroid 低版本工程（如 1.5）放到高版本環(huán)境中（如 2.2）可能會(huì)上述錯(cuò)誤，解決方法如下： 1。 如果不修改 android sdk 版本，則使用 project c

15、lean 命令作用于某工程即可。（該處理方式只是在高版本中兼容了低版本工程，未真正意義上的升級(jí)）2。 如果修改 android sdk 版本，則需要以下幾個(gè)步驟：1） 修改 SDK選擇工程，build path - configure build path - library 刪除引用的低版本 SDK， 然后 add External JARs,選擇高版本 SDK,OK,保存2） 修改 classpath 文件該文件可能存在該項(xiàng): classpathentry kind=libpath =你所指定的高版本的地址把 她 修 改 成 3) 修改 AndroidManifest.xml在Androi

16、dManifest.xml 文件中，application 標(biāo)簽后添加4) 修改 perties（很重要）該文件最后一行（前面沒用#的）target=android-3 該成 target=android-8，保存。再看看你的工程和新建的 android 2.2 的工程結(jié)構(gòu)就一樣了。【錯(cuò)誤信息】在線程 debug（運(yùn)行沒有問題）時(shí)調(diào)用 Webservice 時(shí)出現(xiàn)：JDI thread evaluations has encountered a problemException processing async thread queueException processi

17、ng async thread queueJDI thread evaluations原因及解決辦法：與運(yùn)行無關(guān)的錯(cuò)誤，關(guān)掉expressions視圖就可以了【錯(cuò)誤信息】打開開源項(xiàng)目 JavaEye Android client 時(shí)出錯(cuò)/svn/trunk/這是 JavaEye 網(wǎng)站基于 Android 平臺(tái)的客戶端軟件，可用以閱讀動(dòng)靜、帖子、閑談, 收躲, RSS 等功用。2011-04-19 10:55:11 - JavaEye Android Client Project has no default.

18、properties file! Editthe project properties to set one.原因及解決辦法：遇到這種情況，可以創(chuàng)建一個(gè) perties 文件，如果創(chuàng)建之后還是有錯(cuò)誤，那么 delete這個(gè) project，重新 import。編輯 perties 之后，一般會(huì)自動(dòng)創(chuàng)建 gen 目錄， 如果沒有，也可嘗試手工創(chuàng)建。Adroid Adapter ADB Interface 嚴(yán)重錯(cuò)誤今天在配置完 Eclipse 和 Android SDK 開發(fā)環(huán)境之后，想用華為 C8500 手機(jī)通過 USB 連接電腦，并在手機(jī)上去調(diào)試，但

19、莫名其妙出現(xiàn) Adroid Adapter ADB Interface 安裝嚴(yán)重錯(cuò)誤，在豌豆莢手機(jī)精靈安裝驅(qū)動(dòng)的時(shí)候，也出現(xiàn)這個(gè)錯(cuò)誤，后面也莫名奇妙的多裝幾次就好了，還沒找到什么原因。【錯(cuò)誤信息】用手機(jī)調(diào)試運(yùn)行出現(xiàn)：ActivityManager: Warning: Activity not started, its current task has been brought to thefront原因及解決辦法：該手機(jī)已經(jīng)啟動(dòng)了相同名字的應(yīng)用，關(guān)閉之后再試！【錯(cuò)誤信息】最近（2012-04-05）在打開 SDK Manager.exe，更新 SDK 時(shí)，會(huì)出現(xiàn)如下錯(cuò)誤：Failed to f

20、etch URL /android/repository/repository.xml,reason: Connection timed out: connect原因及解決辦法： 在大陸封掉了解決方法就是修改 C:WindowsSystem32driversetchosts 文件。添加一行：html view plaincopyprint?1. 保存，重新啟動(dòng) SDK Manager.exe【錯(cuò)誤信息】2012-04-08 17:42:24 - JavaE

21、ye Android Client -2012-04-08 17:42:24 - JavaEye Android Client Android Launch!2012-04-08 17:42:24 - JavaEye Android Client The connection to adb is down, and a severe error has occured.2012-04-08 17:42:24 - JavaEye Android Client You must restart adb and Eclipse. 2012-04-08 17:42:24 - JavaEye Andro

22、id Client Please ensure that adb is correctlylocated at C:androidandroid-sdk-windowsplatform-toolsadb.exe and can be executed.原因及解決辦法：查看任務(wù)管理器，關(guān)閉所有 adb.exe重啟 eclipse 即可【錯(cuò)誤信息】更新 SDK 時(shí)錯(cuò)誤信息：Site AuthenticationPlease login to the following .原因及解決辦法：Cancel 跳過提示【錯(cuò)誤信息】打開 Eclipse 提示安裝 ADT 17原因及解決辦法：最新的 Andro

23、id SDK 只能安裝 ADT 17.0.0可用的下載地址：/detail/merrido/4169460，這里可不能用常規(guī)方法安裝這個(gè) ADT 17.0.0.zip 文件， 首先得解壓這個(gè)文件，將里面的文件夾覆蓋掉 Eclipse 安裝目錄下的文件夾。然后再用 Help- install new software-Add - Name: ADTArchive:選擇 ADT 17.0.0.zip【錯(cuò)誤信息】安裝 ADT 17.0.0 時(shí)，提示：Your original request has been modified.Android DDMS

24、is already installed, so an update will be performed instead. Android Development Tools is already installed, so an update will be performedinstead.Android Hierarchy Viewer is already installed, so an update will be performed instead. Android Traceview is already installed, so an update will be perf

25、ormed instead.Cannot complete the install because one or more required items could not be found.Software being installed: Android Development Tools 17.0.0.v201203161636-291853 (com.android.ide.eclipse.adt.feature.group 17.0.0.v201203161636-291853)Missing requirement: Android Development Tools 17.0.0

26、.v201203161636-291853 (com.android.ide.eclipse.adt.feature.group 17.0.0.v201203161636-291853) requiresorg.eclipse.core.runtime 3.6.0 but it could not be found原因及解決辦法：requires org.eclipse.core.runtime 3.6.0 but it could not be foundeclipse 需要升級(jí)到 3.6.0，我的版本是 3.5.2【錯(cuò)誤信息】Updates ADT 17.0.0 時(shí)提示：Cannot co

27、mplete the install because one or more required items could not be found.Software being installed: Android Development Tools 17.0.0.v201203161636-291853 (com.android.ide.eclipse.adt.feature.group 17.0.0.v201203161636-291853)Missing requirement: Android Development Tools 17.0.0.v201203161636-291853 (

28、com.android.ide.eclipse.adt.feature.group 17.0.0.v201203161636-291853) requiresorg.eclipse.core.runtime 3.6.0 but it could not be found原因及解決辦法：requires org.eclipse.core.runtime 3.6.0 but it could not be foundrequires org.eclipse.ui 3.6.0 but it could not be foundeclipse 需要升級(jí)到 3.6.0，我的版本是 3.5.2【錯(cuò)誤信息】

29、2012-04-09 17:14:49 - Info -2012-04-09 17:14:49 - Info Android Launch!2012-04-09 17:14:49 - Info Connection with adb was interrupted. 2012-04-09 17:14:49 - Info 0 attempts have been made to reconnect.2012-04-09 17:14:49 - Info You may want to manually restart adb from the Devices view.原因及解決辦法：重新啟動(dòng) e

30、clipse【錯(cuò)誤信息】2012-04-10 09:45:49 - adb ADB server didnt ACK2012-04-10 09:45:49 - adb * failed to start daemon *原因及解決辦法：查看任務(wù)管理器,關(guān)閉所有 adb.exe重啟 eclipse【錯(cuò)誤信息】2012-04-10 09:53:50 - ApiDemos -2012-04-10 09:53:50 - ApiDemos Android Launch!2012-04-10 09:53:50 - ApiDemos The connection to adb is down, and a

31、severe error has occured.2012-04-10 09:53:50 - ApiDemos You must restart adb and Eclipse.2012-04-10 09:53:50 - ApiDemos Please ensure that adb is correctly located at C:androidandroid-sdk-windowsplatform-toolsadb.exe and can be executed.原因及解決辦法：重啟 eclipse【錯(cuò)誤信息】安裝 android sdk 時(shí)：-= warning! =- A folde

32、r failed to be renamed or moved. On Windows this typically means that a program Is using that Folder (for example Windows Explorer or your anti-virus software.) Please momentarily deactivate your anti-virus software. Please also close any running programs that may be accessing the directoryC:android

33、android-sdk-windows/android-sdk-windows/too!s. When ready, press YES totry again.原因及解決辦法：1, 復(fù)制 tools 目錄為一個(gè)新的目錄 tools-copy ,此時(shí)在 android-sdk-windows tools-copy目錄下有兩個(gè)目錄 tools 和2, 在 tools-copy 目錄以管理員身份運(yùn)行 android.bat3.重新運(yùn)行 SDK Manager.exe.問題解決！，這樣就可以正常 update all了【錯(cuò)誤信息】“正在啟動(dòng) JavaEyeApiAccessor“遇到問題。不能連接至

34、 VM原因及解決辦法：連接不到手機(jī)虛擬機(jī)重啟拔插手機(jī)連接線【錯(cuò)誤信息】調(diào)試的時(shí)候：2012-04-13 17:46:27 - IpsosAutoAndroid Failed to install IpsosAutoAndroid.apk on device ?: timeout2012-04-13 17:46:27 - IpsosAutoAndroid Launch canceled!原因及解決辦法：連接真機(jī)調(diào)試的時(shí)候如果連接太久沒響應(yīng)就會(huì)出現(xiàn) timeout1.在 window-prensent.-android-設(shè)置 ddms 的 timeout 時(shí)間。這種是就最有效、最簡潔的。2.del

35、ete android 里面的 apk，保證速度。不過試過一次后，真機(jī)好像變“聰明了”，也出現(xiàn)timeout。3.Cleaning the project (Project-Clean)，不行就重啟 eclipse 或者 android，很郁悶的是，重啟后運(yùn)行第一次可以。第二次就開始變慢了，也就是出現(xiàn) timeout4.關(guān)閉 eclipse ，然后再重啟，就 ok【錯(cuò)誤信息】調(diào)用 org.ksoap2.*訪問 webservice 時(shí)04-13 10:09:49.565: E/dalvikvm(354): Could not find classorg.ksoap2.serialization

36、.SoapObject, referenced from method.04-13 10:09:49.585: E/dalvikvm(354): Could not find classorg.ksoap2.transport.HttpTransportSE, referenced from method.【錯(cuò)誤信息】Unable to open stack trace file /data/anr/traces.txt: Permission denied原因及解決辦法：Unable to open stack trace file /data/anr/traces.txt: Permiss

37、ion有在 AndroidManifest.xml 中注冊(cè)，就會(huì)報(bào)這樣的錯(cuò)誤。多見于這個(gè) Activity 你沒【錯(cuò)誤信息】source not found找不到源原因及解決辦法：android 目錄下沒有對(duì)應(yīng)的 sources 文件如下圖，不知道為什么，最新的 SDK 更新 API 14/15 中有 Sources for Android SDK,而之前的版本的源碼就不更新，氣憤！下載對(duì)應(yīng)的 SDK Sources 后，放到android-sdk-windowssources 目錄下就 OK 了！【錯(cuò)誤信息】Android 使用 KSOAP2 調(diào)用 WebService 時(shí)：java.lan

38、g.NoClassDefFoundError: org.ksoap2.serialization.SoapObject原因及解決辦法：雖然標(biāo)明上 Java Build Path-Libraries 中已經(jīng)引用了 ksoap2-android 包，但是需要 orderand export 中也把該包勾選上【錯(cuò)誤信息】error: Error: No resource found that matches the given name (at layout_toLeftOf withvalueid/top_send_btn).header_questionitemlist.xml /IpsosAu

39、toAndroid/res/layout 第Problem27行 Android AAPT原因及解決辦法：【錯(cuò)誤信息】無法解析導(dǎo)入 com.renren.api.connect.android.R原因及解決辦法：導(dǎo)入 android 源碼有錯(cuò)，R.java 文件不能自動(dòng)生成解決方法【錯(cuò)誤信息】Eclipse 中的 DDMS 無法打開 data 文件夾下的內(nèi)容，也不能往里面寫東西原因及解決辦法：通過軟件獲取 ROOT 權(quán)限【錯(cuò)誤信息】Fri May 04 16:27:46 CST 2012Internal error logged from JDI Debug:org.eclipse.jdi.T

40、imeoutException: 等待包 8 時(shí)發(fā)生超時(shí)。at ernal.connect.PacketReceiveManager.getReply(PacketReceiveManager.java:171) ernal.connect.PacketReceiveManager.getReply(PacketReceiveManager.java:180).原因及解決辦法：重新啟動(dòng) eclipse,不行的話重啟機(jī)器【錯(cuò)誤信息】java.lang.RuntimeException: Cant create han

41、dler inside thread that has not calledLooper.prepare()原因及解決辦法：如下是有問題的代碼：java view plaincopyprint?..9.Thread t = new Thread() Overridepublic void run() super.run();try QuestionItemlist = quesHandler.getData(); if (QuestionItemlist.size() = 0) Toast.makeText(questionitemlist2.this,問卷題目為空

42、,Toast.LENGTH_LONG).show(); else Toast.makeText(questionitemlist2.this,問卷題目已經(jīng)獲取,Toast.LENGTH_LONG).show(); catch (Exception e) e.printStackTrace();6. 17. ;18. t.start();【錯(cuò)誤信息】java.lang.IllegalArgumentException: The key must be an application-specific resource id.原因及解決辦法：java view

43、plaincopyprint?1. mRadioButton.setTag(1,sQuestionItem.get(i).getToNext();/設(shè)置下一題目2. mRadioButton.setTag(2,sQuestionItem.get(i).getToEnd();/設(shè)置是否終止ToNext：ToEnd：拋出IllegalArgumentException 的原因就在于key 不唯一，正確代碼如下：java view plaincopyprint?1. mRadioButton.setTag(R.id.tag_tonext,sQuestionItem.get(i).getToNext(

44、);/ 設(shè)置ToNext：下一題目2. mRadioButton.setTag(R.id.tag_toend,sQuestionItem.get(i).getToEnd();/設(shè)置ToEnd：是否終止【錯(cuò)誤信息】點(diǎn)擊 Debug 運(yùn)行 結(jié)果模擬器總是會(huì)彈出 Waiting for Debugger 然后程序又可以正常運(yùn)行如果你想調(diào)試的時(shí)候去掉 Waiting for Debugger 提示原因及解決辦法：重啟啟動(dòng)平板電腦機(jī)器就 OK【錯(cuò)誤信息】拔掉連接線，運(yùn)行程序還出現(xiàn)如下問題：android Debuger 出現(xiàn)：Waiting for Debugger - Application XXX

45、is waiting for thedebugger to Attach然后關(guān)閉原因及解決辦法：重啟機(jī)器或者重啟下 adb【錯(cuò)誤信息】AndroidManifest.xml 配置中加入 android:installLocation=auto出現(xiàn)錯(cuò)誤：error: No resource identifier found for attribute installLocation in package android原因及解決辦法：開發(fā)包需要 Android2.2 以上Change the build target by editing the project properties (righ

46、t-click on the project inEclipse), and choose a target with at least API Level 8【錯(cuò)誤信息】2012-08-22 17:21:53 - IpsosAutoAndroid Project has no perties file! Edit theproject properties to set one.2012-08-22 17:22:16 - IpsosAutoAndroid Android requires compiler compliance level 5.0or 6.0. Foun

47、d 1.7 instead. Please use Android Tools Fix Project Properties.原因及解決辦法：Project / Properties / Java Compiler ，查看 Compiler compliance level定為 1.6，并且 Enable project specific seetings 被勾選。指定的版本號(hào)被指【錯(cuò)誤信息】Android Tools-Export Signed Application Package出錯(cuò)Export aborted becase fatal lint errors were found.Th

48、ese are listed in the Problems view. Either fix these before running Export again, or turn off Run full error check when exporting app inthe Android Link Error Checking preference page原因及解決辦法：可能是程序中缺少資源文件之類的下圖點(diǎn)擊 window-preferences 如下圖點(diǎn)擊 android 下面的 lint error checking -勾選掉 run full error如下圖【錯(cuò)誤信息】And

49、roid 簽名打包時(shí)出現(xiàn)下面錯(cuò)誤：2012-09-09 00:15:34 - IpsosAutoAndroid Proguard returned with error code 1. See console2012-09-09 00:15:34 - IpsosAutoAndroid Note: there were 4 duplicate class definitions. 2012-09-09 00:15:34 - IpsosAutoAndroid Warning: library class android.content.res.XmlResourceParser extends o

50、r implements program class org.xmlpull.v1.XmlPullParser2012-09-09 00:15:34 - IpsosAutoAndroid Warning: library class android.content.Intent depends on program class org.xmlpull.v1.XmlPullParser2012-09-09 00:15:34 - IpsosAutoAndroid Warning: library class android.util.Xml dependson program class org.

51、xmlpull.v1.XmlPullParser2012-09-09 00:15:34 - IpsosAutoAndroid Warning: library class android.util.Xml depends on program class org.xmlpull.v1.XmlSerializer2012-09-09 00:15:34 - IpsosAutoAndroid Warning: library class android.util.Xml depends on program class org.xmlpull.v1.XmlPullParser2012-09-09 0

52、0:15:34 - IpsosAutoAndroid Warning: library class android.view.LayoutInflater depends on program class org.xmlpull.v1.XmlPullParser 2012-09-09 00:15:34 - IpsosAutoAndroid Warning: library classandroid.view.LayoutInflater depends on program class org.xmlpull.v1.XmlPullParser2012-09-09 00:15:34 - Ipso

53、sAutoAndroidadditional program jars.You should check if you need to specify2012-09-09 00:15:34 - IpsosAutoAndroid Warning: there were 7 instances of libraryclasses depending on program classes.2012-09-09 00:15:34 - IpsosAutoAndroid since the program classes will2012-09-09 00:15:34 - IpsosAutoAndroid

54、will remain unchanged.You must avoid such dependencies,be processed, while the library classes2012-09-09 00:15:34 - IpsosAutoAndroid java.io.IOException: Please correct the above warnings first.2012-09-09 00:15:34 - IpsosAutoAndroid at proguard.Initializer.execute(Initializer.java:321) 2012-09-09 00