Android

Recently, a Android project uses the JNI mechanism. After packaging and using proguard to confuse release, we found thatProgramException.CodeYou cannot debug or see any abnormal logs. If you find proguard obfuscation on the internet, JNI-related

A notification is used to display messages in the status bar. When a message arrives, it is represented by an icon as follows: To view a message, drag the status bar to the bottom of the screen to view the message.TheCodeAs follows:// Obtain

Android design defects-call recording failure 5 comments: 2010/02/20 3509 views This problem has been discussed for nearly a year on Google Code Android and has not been solved yet. This is the main reason why many people cannot migrate from the

From: http://lizanhong2011.blog.163.com/blog/static/18028516720115255556461/     The speed of the Android mobile phone simulator is too slow to be tolerated. It is not only slow to start, but also card-and-card to run, which is a word of crash.   If

When obtaining GPS information on the simulator, use location loc = locationmanager. getlastknownlocation ("GPS"); To obtain location information, but LOC is usually null in debugging, because you need to manually add GPS information to the

Package cn.com. chenzheng_java; Import android. app. activity; Import android. media. audiomanager; Import android. OS. bundle; Import android. OS. vibrator; Import android. view. view; Import android. widget. toast; Import android. widget.

First: Of course, you cannot see the dynamic animation effect here. Of course, if you run the author's code, you can naturally see the animation effect. The effect here is the animation effect that is presented to us before each item in our list is

1. Differences between drawable-(hdpi, mdpi, ldpi)DPI is the abbreviation of "dot Per Inch". The number of dots per inch.Four density classifications: ldpi (low), mdpi (medium), hdpi (high), and xhdpi (extra high)Normal screen: ldpi is 120, mdpi is 1

This is close at the corner of the image. Paint. setxfermode (New porterduxfermode (mode. src_in )); After a long struggle, I don't know what the setxfermode is. Later I read the official documents and read some materials to learn about them. Paint.

The IMEI: International Mobile Equipment Identification Number (IMEI) identifies mobile devices. It is stored in mobile devices and can be used to monitor stolen or invalid mobile devices. IMEI can be found by typing "* #06 #" on mobile devices of

  1. Install JDK: sudo apt-Get install openjdk-6-jdk You can also use this JDK. It seems that sun is more formal. 2. Install eclisep: System-> administrator-> Synaptic Package Manager-> Find eclipse-> right-click the eclipse option mark for

Document directory Start with a question The following describes how to establish an android development environment and how to use development tools. From the official documents and practices, we can summarize the following points:   From

After more than a year of work, I have summarized common android tools and skills in the Linux environment. On the one hand, we will consolidate our previous knowledge and share it with you. The tools and skills here may be useful to you. I.

Why do I need to convert inputstream to string? To implement the encryption function, the input of the encryption function is string. Public static string inputstream2string (inputstream in) throws ioexception {stringbuffer out = new stringbuffer

From anddev Import android. app. activity; import android. content. context; import android. graphics. canvas; import android. graphics. color; import android. graphics. paint; import android. hardware. camera; import android. OS. bundle; import

Linking to your products For a link that includes des the Google Play brand icon, check outBadges page. Google Play provides several link formats that let you bring users to yourproducts In The Way You Want, from Android apps, web pages, ads,

ADT255.0.0 (June2012) Dependencies: Java 1.6 or higher is required for ADT 255.0.0. Eclipse Helios (version 3.6.2) or higher is required for ADT 255.0.0. ADT 255.0.0 is designed for use with SDK tools r20. if you haven't

Exceptions and exception handling are an important part in most applications. and Modern Programming Languages Support exceptions very well. Most of them provide try/catch/finally clses for developers to handle exceptions.Here we talk about how to

Information receiving is done at the underlying layer. When a new information is received at the underlying layer, the upper-layer application is notified in intent mode, the information is also included in intent, and the information intent

The default address of the android simulator is 10.0.2.3, and the default DNS is 10.0.2.3. For people who study Android online at home (like me), the IP address of the computer is 192.168.1.100, not in the same CIDR block. Therefore, the computer