Android是一种基于Linux的自由及开放源代码的操作系统，主要使用于移动设备，如智能手机和平板电脑，由Google公司和开放手机联盟领导及开发。
在使用 cocos2dx 的时候，建立的工程在编译的时候提示 import org.cocos2dx.lib cannot be resolved ，研究了研究发现，工程里面缺少了相应的Java代码，目录都已经建立好了，但是似乎拷贝脚本出了问题，没有把源文件拷贝进去
解决方法就是 ，找到 cocos2dx 的释放目录，在目录下找到 cocos2dx目录 下面找到 platform 目录下面有个android 目录 下面有个java目录，如下图了
我们在工程目录下面也看到一个类似的空目录
对应的目录拷贝进去就可以了
Log
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.
native_activity/android.app.NativeActivity}: java.lang.IllegalArgumentException
: Unable to find native library: native-activity
Answer
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cd native-activity ant clean ndk-build clean mkdir src sed -i 's/hasCode="false"/hasCode="true"/g' AndroidManifest.xml ndk-build ant debug |
Over!
I'm working on a native activity app for Android 2.3.3. I've copied the code from the code samples, I have include paths set, but Eclipse (Indigo) still can't find this constant.
EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);//Type 'EGL_DEFAULT_DISPLAY' could not be resolved
However the compiler shows no error:
Compile++ thumb :NativeTest<=NativeTest.cpp
This error has to do with Eclipse not having __ ANDROID__ defined which makes it not define EGLNativeDisplayType in EGL/eglplatform.h which causes EGL_DEFAULT_DISPLAY to also not be defined.
To fix this go to your projects properties and go to the "C/C++ General->Paths and Symbols" page, under the "Symbols" tab click on GNU C and then the "Add" button and put
__ANDROID__
in the name feild and click OK. You can do the same for GNU C++.
The ndk-gdb script relies on setting the adb path, either by setting it as
an environment variable or
explicitly as a parameter of the script call.
Thus, there are two probable solutions:
1) set the PATH environment variable to point out your android sdk tools
folder (e.g. "export PATH=$PATH:<your_android_sdk_path_here>/tools")
or
2) invoke the ndk-gdb command with the path to the adb as a parameter (e.g.
: "ndk-gdb --adb=<your_android_sdk_path_here>/tools/adb")
keep in mind that the 1) solution will only work for your current terminal
session. If you want to persist this new PATH value, you must set it up
in the ~.MacOSX/environment.plist.
创建或者导入工程的时候总是提示invalid project description. overlaps the workspace location错误，到处查资料最后找到解决办法，就是把新创建的工程目录设为非Eclipse得workspace目录，具体原因未知。
发现Ubuntu12.04不能连接小米开发，adb devices不能看到设备！ 搞了一个上午才搞成功！
小米手机利用USB连接到Ubuntu 12.04系统。运行下面的命令：
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longskywang@bjb0503:~$ lsusb Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 003: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth) Bus 001 Device 004: ID 138a:0008 Validity Sensors, Inc. VFS300 Fingerprint Reader Bus 002 Device 007: ID 1a40:0101 Terminus Technology Inc. 4-Port HUB Bus 002 Device 008: ID 1a40:0101 Terminus Technology Inc. 4-Port HUB Bus 002 Device 025: ID 0461:4d22 Primax Electronics, Ltd Bus 002 Device 005: ID 0c45:6481 Microdia Bus 001 Device 005: ID 413c:8161 Dell Computer Corp. Integrated Keyboard Bus 001 Device 006: ID 413c:8162 Dell Computer Corp. Integrated Touchpad [Synaptics] Bus 002 Device 028: ID 2717:904e Bus 001 Device 007: ID 413c:8160 Dell Computer Corp. Wireless 365 Bluetooth |
拔掉手机的USB连接线，再运行：
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longskywang@bjb0503:~$ lsusb Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 003: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth) Bus 001 Device 004: ID 138a:0008 Validity Sensors, Inc. VFS300 Fingerprint Reader Bus 002 Device 007: ID 1a40:0101 Terminus Technology Inc. 4-Port HUB Bus 002 Device 008: ID 1a40:0101 Terminus Technology Inc. 4-Port HUB Bus 002 Device 025: ID 0461:4d22 Primax Electronics, Ltd Bus 002 Device 005: ID 0c45:6481 Microdia Bus 001 Device 005: ID 413c:8161 Dell Computer Corp. Integrated Keyboard Bus 001 Device 006: ID 413c:8162 Dell Computer Corp. Integrated Touchpad [Synaptics] Bus 001 Device 007: ID 413c:8160 Dell Computer Corp. Wireless 365 Bluetooth |
对比发现，Bus 002 Device 028: ID 2717:904e 就是小米手机的
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$ sudo gedit /etc/udev/rules.d/50-android.rules |
在打开的文件中增加以下文本：
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SUBSYSTEM=="usb", SYSFS{idVendor}=="2717", MODE=="0666" SUBSYSTEM=="usb_device", SYSFS{idVendor}=="2717", MODE=="0666" SUBSYSTEM=="usb", ATTR{idVendor}=="2717", ATTR{idProduct}=="9039", SYMLINK+="android_adb" |
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$ sudo chmod a+rx /etc/udev/rules.d/50-android.rules |
注意，这个50-android.rules 文件名字应该是随意命名的，试过 51-android.rules ，52-android.rules 似乎是都可以的。
注意 "SUBSYSTEM=="usb", SYSFS{idVendor}=="2717", MODE=="0666" "这句是给 ubuntu 7.01 以后的系统识别用的
而"SUBSYSTEM=="usb_device", SYSFS{idVendor}=="2717", MODE=="0666""是给 Ubuntu 7.01之前的系统识别用的。相当于系统兼容。
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longskywang@bjb0503:/etc/udev/rules.d$ sudo service udev restart //or restart udev udev start/running, process 7147 |
在 android sdk 的 tools 目录下运行 （这一步很重要，必须要sudo，否则没效果）
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longskywang@bjb0503:~/android-sdk/platform-tools$ sudo ./adb kill-server longskywang@bjb0503:~/android-sdk/platform-tools$ sudo ./adb devices * daemon not running. starting it now on port 5037 * * daemon started successfully * List of devices attached |
到这一步了，结果发现 List of devices attached 下面没有设备出现，这就意味着 adb不识别新的USB 设备，纠结了。
如果跟我一样悲惨，请执行如下操作
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longskywang@bjb0503:~$ cd ~ longskywang@bjb0503:~$ cd .android/ longskywang@bjb0503:~/.android$ ls adbkey avd debug.keystore repositories.cfg adbkey.pub androidtool.cfg cache default.keyset sites-settings.cfg adb_usb.ini androidwin.cfg ddms.cfg modem-nv-ram-5554 |
请注意这个 adb_usb.ini
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longskywang@bjb0503:~/.android$ gedit adb_usb.ini |
里面的内容一般如下：
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# ANDROID 3RD PARTY USB VENDOR ID LIST -- DO NOT EDIT. # USE 'android update adb' TO GENERATE. # 1 USB VENDOR ID PER LINE. |
我们在其中加一行
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# ANDROID 3RD PARTY USB VENDOR ID LIST -- DO NOT EDIT. # USE 'android update adb' TO GENERATE. # 1 USB VENDOR ID PER LINE. 0x2717 |
请注意，这个 0x2717 就是我们得到的设备号码
保存，关掉，然后
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longskywang@bjb0503:~/android-sdk/platform-tools$ sudo ./adb kill-server longskywang@bjb0503:~/android-sdk/platform-tools$ sudo ./adb devices List of devices attached 9109ce53 device |
注意 9109ce53 device 这行就是我们的识别到的小米手机了。哈哈
然后在Eclipse下面的DDMS 去折腾吧。
Eclipse中编译Android工程时，提示错误 ：Error generating final archive: Debug certificate expired on xxxxxx（日期）
解决办法：
进入：C:/Documents and Settings/USER（用户账户）/.android ，删除：debug.keystore和ddms.cfg
Android 代码中无意删除了 .setting文件夹，重建后提示
gen already exists but is not a source folder. Convert to a source folder or rename it.
查了半天，总算有个明白人
我们建好一个android 的项目后，默认的res下面 有layout、values、drawable等目录
这些都是程序默认的资源文件目录，如果要实现多语言版本的话，我们就要添加要实现语言的对应的资源文件。
首先我们点击添加Android Xml File按钮，会出现下面的界面：
输入文件名：string.xml，选中Values单选框，并把下面左列表中的Region添加到左边的列表里面，并在Region输入框里输入cn，如下图
这时，上面的消息提示：如果用Region的话，需要使用语言项，和Region一样，我们把Language也添加到右面的列表里面，填入zh，如下图
点击Finish按钮，资源文件就会建好了，目录：res\values-zh-rCN（其实上面一大堆操作，就是为生成这个目录）
默认生成的string.xml的代码：
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<?xmlversion="1.0"encoding="utf-8"?> <resources> <stringname="hello">Hello World, Test!</string> <stringname="app_name">Test-Multilingual</string> </resources> |
修改刚刚生成的res\values-zh-rCN目录下的string.xml：
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<?xmlversion="1.0"encoding="utf-8"?> <resources> <stringname="app_name">测试多语言</string> <stringname="hello">你好 多语言测试</string> </resources> |
运行结果：
en-us：英文
zh-cn：中国大陆
zh-tw：台湾
因为设置了region为CN，所以zh-tw的时候，没有找到res\values-zh-rTW的目录，加载了默认的res\values目录下的string.xml
这里只用了Values做例子，其余的Resource都可以，图片了，布局了等等
这里只是简单的介绍了一下多语言对应，剩下的大家自己深入研究吧！
在用Eclipse 调试程序的时候，一旦发生异常，往往在回退栈里面提示找不到源代码.
如下图所示
网 上搜索了一下，发现一个 fix_android_sdk.py 脚本，可以提取完整的java 文件到SDK 目录，尝试了一下，还是蛮有用的，可惜就是源代码只能看，不能设置断点。这个是用来编译ASE的一个脚本，里面的部分涉及到ASE的部分我们是用不到，并 且也没法用的，所以被我万恶的删除了。
1.首先要下载完整的Android源代码，建议下载一下，说不定哪天就用上了。
对 于以前的脚本进行了修改，然后现在可以判断当前的Android 的源代码版本了，如果定义过 "ANDROID_SDK_ROOT"环境变量的话，会使用环境变量中的值拷贝到制定的目录，比如Android 4.1.2 的源代码，现在可以拷贝到 Android-16 目录下面了，不需要再从android-1.5 下面拷贝出来了。 下面贴上最新的源代码脚本，供各位参考。
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#!/usr/bin/python # Copyright (C) 2009 Google Inc. # # Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 # # 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. # # Originally written by Mike Forster. # http://blog.michael-forster.de/2008/12/view-android-source-code-in-eclipse.html from __future__ import with_statement # for Python < 2.6 """Modifies the Android SDK to build Android Scripting Environment. This script compiles android.os.Exec from the Android source and adds the class to the Android SDK android.jar. In addition, it copies the source files into the SDK so that they can be browsed from Eclipse. In order to use this script, you must have download the Android source and installed the Android SDK. """ __author__ = 'Damon Kohler <damonkohler@gmail.com>' import os import re import shutil import sys def validate_source_and_sdk_locations(src_location, sdk_location): if not os.path.exists(src_location): print 'Android source location is invalid.' sys.exit(1) if not os.path.exists(sdk_location): print 'SDK location is invalid.' sys.exit(1) #read the Android Source Version from "build\core\version_defaults.mk" VerFilePath = os.path.join(src_location,'build','core','version_defaults.mk') DefSavePath = os.path.join(sdk_location, 'platforms', 'android-1.5′) if not os.path.isfile(VerFilePath): print 'Can not read the version from "%s" files will be save in path "%s"'%(VerFilePath,DefSavePath) else: fl = file(VerFilePath,"r") for s in fl.readlines(): li = re.findall("PLATFORM_SDK_VERSION\s*:=\s*\S*",s) if li: p = re.compile(r'\s*:=\s*') ver = p.split(s) ver = ver[1].strip() DefSavePath = os.path.join(sdk_location, 'platforms', 'android-%s'%(ver)) break fl.close() return DefSavePath def copy_sources(src_location, sdk_location): sdk = validate_source_and_sdk_locations(src_location, sdk_location) out = os.path.join(src_location, 'out') sources = os.path.join(sdk, 'sources') if not os.path.exists(sources): os.makedirs(sources) print 'Copying sources from %s to %s' % (src_location, sources) # Some files are duplicated, copy them only once. written = {} # Iterate over all Java files. for dir, subdirs, files in os.walk(src_location): if dir.startswith(out): continue # Skip copying stub files. for filename in [f for f in files if f.endswith('.java')]: # Search package name. source = os.path.join(dir, filename) with open(source) as f: for line in f: match = re.match(r'\s*package\s+([a-zA-Z0-9\._]+);', line) if match: package_path = match.group(1).replace('.', os.sep) try: os.makedirs(os.path.join(sources, package_path)) except os.error: pass destination = os.path.join(sources, package_path, filename) if destination not in written: written[destination] = True shutil.copy(source, destination) break if __name__ == '__main__': if len(sys.argv) == 3: src_location, sdk_location = sys.argv[1:3] #if user don't input any param,we make the current path as the android source path #and we will detect the envionment ANDROID_SDK_ROOT elif len(sys.argv) == 1: sdk_location = os.environ.get('ANDROID_SDK_ROOT') if 0 == len(sdk_location): print 'fix_android_sdk.py <android-source> <android-sdk>' sys.exit(1) src_location = os.getcwd() else: print 'fix_android_sdk.py <android-source> <android-sdk>' sys.exit(1) try: copy_sources(src_location, sdk_location) except KeyboardInterrupt: print '\nAborted.' else: print 'Done!' |