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How to view the contents of an Android APK file?
...o theappname.apk.zip and extract it with any zip utility (e.g. 7zip).
The androidmanifest.xml file and the resources will be extracted and can be viewed whereas the source code is not in the package - just the compiled .dex file ("Dalvik Executable")
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How does push notification technology work on Android?
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From what I've heard during an Android developers conference in Israel:
There is simply a TCP socket waiting in accept mode on a cloud Google server. The TCP connection had been initiated by the Google Play application. That's why Google Play must be inst...
Remove Project from Android Studio
Does any one know how to remove a project from Android Studio in an attempt to re- export it from Eclipse?
14 Answers
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How to write a cron that will run a script every day at midnight?
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Here's a good tutorial on what crontab is and how to use it on Ubuntu. Your crontab line will look something like this:
00 00 * * * ruby path/to/your/script.rb
(00 00 indicates midnight--0 minutes and 0 hours--and the *s mean every day of every month.)
Syntax:
mm hh dd mt wd com...
How to execute XPath one-liners from shell?
Is there a package out there, for Ubuntu and/or CentOS, that has a command-line tool that can execute an XPath one-liner like foo //element@attribute filename.xml or foo //element@attribute < filename.xml and return the results line by line?
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Detect whether there is an Internet connection available on Android [duplicate]
I need to detect whether the Android device is connected to the Internet.
6 Answers
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How can I convert a stack trace to a string?
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If you are developing for Android, a far easier way is to use this:
import android.util.Log;
String stackTrace = Log.getStackTraceString(exception);
The format is the same as getStacktrace, for e.g.
09-24 16:09:07.042: I/System.out(4844): java....
What does @hide mean in the Android source code?
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Android has two types of APIs that are not accessible via SDK.
The first one is located in package com.android.internal. The second API type is a collection of classes and methods that are marked with the @hide Javadoc attr...
Ship an application with a database
...he external method. (NOTE: Notice the comment about the table required by Android.)
--Android requires a table named 'android_metadata' with a 'locale' column
CREATE TABLE "android_metadata" ("locale" TEXT DEFAULT 'en_US');
INSERT INTO "android_metadata" VALUES ('en_US');
CREATE TABLE "kitchen_ta...
Android Gradle plugin 0.7.0: “duplicate files during packaging of APK”
Using Android Gradle plugin 0.7.0 with the following build.gradle :
20 Answers
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