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如何在Eclipse里面查看Android的源码

2013年09月11日 ⁄ 综合 ⁄ 共 3262字 ⁄ 字号 评论关闭

这篇文章主要解决一个问题,在做android应用的时候,经常遇到source not find问题,下面我来解决一下:

首先,你要有Android的源码Android的SDK,这两份请自己去Android的官方下载;

其次,这里要用到一个工具python,我用的2.6.2的版本,已经比较低了。写个脚本如下,脚本的目的是,把源码里面的.java文件拷贝到SDK中,具体路径如下:android-sdk-windows-1.5_r2/platforms/android-1.5/sources,脚本保存为fix_android_1.5sdk.py,

内容如下:

#!/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 subprocess
import sys
import zipfile

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)
  return os.path.join(sdk_location, 'platforms', 'android-1.5')

def zip_up_sources(src_location, sdk_location):
  sdk = validate_source_and_sdk_locations(src_location, sdk_location)
  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):
    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]
  else:
    print 'fix_android_sdk.py <android-source> <android-sdk>'
    sys.exit(1)
  try:
    zip_up_sources(src_location, sdk_location)
  except KeyboardInterrupt:
    print '/nAborted.'
  else:
    print 'Done!'

 

在windows上安装python好之后(记得在 我的电脑系统变量的path里面添加你安装python的路径,比如:C:/Program Files/Python_2.6.2);

第三,把你刚才保存的脚本fix_android_1.5sdk.py,在windows的命令窗口 敲入:fix_android_1.5sdk.py <android 的源码目录> <android的SDK目录>(注意:<>敲入的时候,没有这个符号啊!!)大概等大约10多分钟,就会在你的SDK目录下多一个叫(android-sdk-windows-1.5_r2/platforms/android-1.5/sources),叫sources的文件夹。

第四,重启你的eclipse就可以看到了。

总结完毕~

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