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The Abstract Window Toolkit (AWT) is Java's original platform-dependent windowing, graphics, and user-interface widget toolkit, preceding Swing. The AWT is part of the Java Foundation Classes (JFC) — the standard API for providing a graphical user interface (GUI) for a Java program. AWT is also the GUI toolkit for a number of Java ME profiles.
From version 2.2 on, Jython (including the standard library) is released under the Python Software Foundation License (v2). Older versions are covered by the Jython 2.0, 2.1 license and the JPython 1.1.x Software License. [9] The command-line interpreter is available under the Apache Software License.
The AWT Native Interface is very similar to the JNI, and the steps are the same as those of the JNI. See the Java Native Interface article for an explanation of the JNI techniques employed by the AWT Native Interface. The AWT Native Interface was added to the Java platform with the J2SE 1.3 ("Kestrel") version.
Android Studio was announced on May 16, 2013, at the Google I/O conference. It was in early access preview stage starting from version 0.1 in May 2013, then entered beta stage starting from version 0.8 which was released in June 2014. [10] The first stable build was released in December 2014, starting from version 1.0. [11]
Android SDK. The Android SDK is a software development kit for the Android software ecosystem that includes a comprehensive set of development tools. [2] [3] These include a debugger, libraries, a handset emulator based on QEMU, documentation, sample code, and tutorials.
The original AWT was a simple Java wrapper library around native (operating system-supplied) widgets such as menus, windows, and buttons. Swing was the next generation GUI toolkit introduced by Sun in Java Platform, Standard Edition (J2SE) 1.2. Swing was developed to provide a richer set of GUI software components than AWT.
On September 23, 2008, the Android 1.0 SDK (Release 1) was released. [29] According to the release notes, it included "mainly bug fixes, although some smaller features were added." It also included several API changes from the 0.9 version. Multiple versions have been released since it was developed. [30]
Android Studio supports running either of these from Gradle. Other third-party tools allow integrating the NDK into Eclipse [10] and Visual Studio. [11] For CPU profiling, the NDK also includes simpleperf [12] which is similar to the Linux perf tool, but with better support for Android and specifically for mixed Java/C++ stacks.