[android] Script to simplify android set-up

Sript does next things:
1. Replaces original aapt tool with hacked version.
2. Calls script to update assets ('update_assets.sh').
3. Generate local.properties files for all android projects.

tools/android/set_up_android.py

@@ -0,0 +1,100 @@
+#!/usr/bin/python
+
+import os
+import shutil
+
+def locate_sdk():
+    sdkPath = raw_input('Enter Android SKD path: ').strip()
+    # check if directory is correct
+    androidPath = os.path.join(sdkPath, 'tools', 'android')
+    if os.path.exists(androidPath):
+        print 'ANDROID SDK path assigned: %s' % sdkPath
+        return sdkPath
+    else:
+        print 'Incorrect SDK path.'
+        exit(1)
+### !locate_sdk
+
+
+def locate_ndk():
+    ndkPath = raw_input('Enter Anroid NDK path: ').strip()
+    # check if directory is correct
+    ndkBuildPath = os.path.join(ndkPath, 'ndk-build')
+    if os.path.exists(ndkBuildPath):
+        print 'ANDROID NDK path assigned: %s' % ndkPath
+        return ndkPath
+    else:
+        print 'Incorrect NDK path.'
+        exit(1)
+### !locate_ndk
+
+
+def update_assets():
+    return os.system('./update_assets.sh')
+### !update_assets
+
+
+def replace_aapt(sdkDir, oldAaptName='aapt_backup'):
+
+    aaptPath = os.path.join(sdkDir, 'platform-tools', 'aapt')
+    aaptOldPath = os.path.join(sdkDir, 'platform-tools', oldAaptName)
+
+    # handle case of non-existing file
+    if os.path.exists(aaptPath):
+        os.rename(aaptPath, aaptOldPath)
+    else:
+        print 'aapt not found, skipping'
+
+    # copy new hacked aapt version
+    curDir = os.getcwd()
+    hackedAaptPath = os.path.join(curDir, 'aapt')
+    print 'hacked path; %s' % hackedAaptPath
+    print 'copied: %s' % shutil.copy(hackedAaptPath, aaptPath)
+### !replace_aapt
+
+
+def write_local_properties(sdkDir, ndkDir):
+
+    locPropsContent = ('# Autogenerated file\n' +
+                       '# Do not add it to version control\n' +
+                       'sdk.dir=%s\n' % sdkDir +
+                       'ndk.dir=%s\n' % ndkDir)
+
+    curDir = os.getcwd()
+    omimRoot = os.path.dirname(os.path.dirname(curDir))
+    androidRoot = os.path.join(omimRoot, 'android')
+    locPropsOrigin = os.path.join(androidRoot, 'local.properties')
+
+    file = open(locPropsOrigin, 'w')
+    file.write(locPropsContent)
+    file.close()
+
+    # copy files to subfolders
+    subfolders = ['MapsWithMeLite', 'MapsWithMeLite.Samsung', 'MapsWithMePro']
+    for folder in subfolders:
+        dst = os.path.join(androidRoot, folder, 'local.properties')
+        shutil.copy(locPropsOrigin, dst)
+        print dst
+### !write_local_properties
+
+
+def run():
+    sdkDir = locate_sdk()
+    ndkDir = locate_ndk()
+    print '>>> Replacing aapt'
+    replace_aapt(sdkDir)
+    print '>>> Updating assets'
+    update_assets()
+    print '>>> Writing local.properties'
+    write_local_properties(sdkDir, ndkDir)
+    print '>>> Done!'
+### !run
+
+
+# RUN it!!!
+run()
+
+
+
+
+