Dev C++ For Android
Google's open source Android operating system is maturing and beginning to attract a more diverse audience of third-party developers. To accommodate the growing need for more power and flexibility, Google is opening up the platform to additional programming languages and new kinds of development.
The Android userspace is largely dominated by Java technologies that run on top of Google's custom Dalvik Java virtual machine. At launch, Java was the only officially supported programming language for building distributable third-party Android software. That's starting to change as Google introduces new options. On Thursday, the company announced the availability of the Android Native Development Kit (NDK) which will allow developers to build Android software components with C and C++.
The NDK will enable developers to code some of the performance-sensitive parts of their programs in C and reuse existing C code on the Android platform. It comes with some limitations, however, and is not intended to serve as a full alternative to Android's Java development model.
The NDK does not provide access to platform framework APIs. It's intended to be used alongside Java to code individual parts of programs that require existing C libraries or higher performance. JNI is used as the bridge between Java and native code.
An if statement can be followed by an optional else if.else statement, which is very usefull to test various conditions using single if.else if statement. When using if, else if, else statements there are few points to keep in mind. An if can have zero or one else's and it must come after any else if's. An if can have zero to many else if. Dec 21, 2008 29 videos Play all C Programming Tutorials from thenewboston thenewboston C Tutorial for Beginners 6 - If and Else Statements - Duration: 10:18. ProgrammingKnowledge 84,196 views. C: If and Else Statements. So we've learnt how to collect basic data from the user, but wouldn't it be useful if we could do different things depending on what the user typed in? Well this happens to be a very core concept of computer programming, and we can do exactly as previously described with these things called 'if' statements. If-else Statement (C); 2 minutes to read +2; In this article. Controls conditional branching. Statements in the if-block are executed only if the if-expression evaluates to a non-zero value (or TRUE). If the value of expression is nonzero, statement1 and any other statements in the block are executed and the else-block, if present, is skipped. If the value of expression is zero. C Nested if.else. The if.else statement executes two different codes depending upon whether the test expression is true or false. Sometimes, a choice has to be made from more than 2 possibilities. The nested if.else statement allows you to check for multiple test expressions and execute different codes for more than two conditions.
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Dev C++ For Android
The NDK includes a cross-compiler toolchain for generating ARM binaries that can be deployed in Android APK packages. Google says that native code should be used sparingly and is not appropriate for the vast majority of third-party Android applications. The company also points out that using it could reduce portability and have other negative consequences.
C++ On Android
'The NDK will not benefit most applications. As a developer, you will need to balance its benefits against its drawbacks; notably, using native code does not result in an automatic performance increase, but does always increase application complexity,' the documentation says. 'Typical good candidates for the NDK are self-contained, CPU-intensive operations that don't allocate much memory, such as signal processing, physics simulation, and so on.'
In addition to delivering support for native code, Google is also extending Android to support popular dynamic scripting languages. Earlier this month, Google launched the Android Scripting Environment (ASE) which allows third-party developers to build simple Android applications with Python and Lua.
The ASE provides access to platform framework capabilities through a JSON RPC bridge. This means that scripts which run on top of the ASE can actually leverage other capabilities of the operating system, such as controlling the ringer volume, toggling WiFi, making calls, detecting the user's current location, launching activities, and handling intents. One of the most compelling aspects of the ASE is that it allows users to code new scripts on the device itself.
Support for alternate programming languages could make Android a bit more appealing to third-party developers. NDK opens the door for bringing more sophisticated processor-intensive functionality to the platform and ASE lowers the barriers to entry by providing a path for rapid development and quick scripting.
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