native android emulator

Android React Native uses Native modules Sometimes our App needs to access the platform API, And the React Native may not have the corresponding module packaging; or you need to reuse some Java code instead of implementing it again using Javascript; or you need to implement some high-performance, multi-threaded code

1. InstallationNPM I react-native-splash-screen--save orYarn Add React-native-splash-screen--save2. Automatic configurationReact-native link React-native-splash-screen or RNPM link react-native-splash-screenor 3. Manually configure the 3.1

Android React Native uses Native UI Components Android React Native has encapsulated several common Native components, such as ScrollView and TextInput. However, not all original components of the system are encapsulated, so somet

structure in C (structures). However, the JVM specification does not define how objects are implemented in memory. If a given JVM is implemented in a layout object, and the local method assumes something different, then you have to rewrite the local method library.2. Because local methods can maintain a direct pointer to objects in the JVM, local methods in JDK1.0 adopt a conservative GC policy.The birth of JNI is to solve these two problems, it can be supported by the JVM under all platforms:1

Detailed explanation of native Development of React-native bridge Android, One day in the long history of RN development, I would like to introduce the ups and downs of Android native development. for a little white who does not understand

All your favorite Android appsNow on Windows PC A startup called bluestacks has developed an android runtime environment for the Windows operating system. it will enable users to run Android applications alongside conventional Windows software on Microsoft's operating system. the technology impressed some major investors who have supplied $7.6 million in Series

Android React-Native series (1) Zero-Infrastructure React-Native Development Environment I have heard of the well-known React-Native for a long time. (We don't know much about it here, because the company's business is not too busy, just now we can have time to learn about RN. We know that building an environment for a

React-Native series Android-Principles of communication between Native and Javascript (III) The previous two blogs have analyzed in detailNativeAndJavascriptThe communication process can meet the needs of most scenarios.NativeAndJavascriptBut there is still a sound situation. For exampleJavascriptReal-time retrieval of LayerNativeYou needNativePassive Orientatio

Native actions (Native activity) are static string constants (static final String) in the intent class. These actions can be applied when an implicit intent is created to start an activity or subactivity within an application. Android apis:http://developer.android.com/reference/android/content/intent.html Mainly inc

In today's app There are already thousands of native ui parts-some of which are part of the platform, others may come from some third-party libraries, And maybe you have a lot of your own. reactnative has encapsulated most of the most common components , such as scrollview textinput app also encapsulates some components, reactnative certainly can't contain them. Fortunately, in reactnaitve Encapsulating and embedding existing comp

Premise: A small web front end, completely not Android with iOS development, first contact, there are a lot of questions that do not understand. Please forgive me.Environment: Win7Results:First, the SDK installationHint: The installation must pass the agent, otherwise will be very slow yo ~ ~Install version 2.0 of Android Studio installationInstall the following SDK in studioAdd an environment variable (the

* pointer.Native methods are called in different ways in C and C + +. Like what:/* C */return (*env)->newstringutf (env, "Hello World");/* C + + */return Env->newstringutf ("Hello World");in the C language. JNIEnv is a pointer to the JNINATIVEINTERFACE structure, which must be dereferenced. And the first parameter is env, learned C and C + + languages are known. C is a process-oriented language, and Newstringutf is just a function pointer. Calling this method is not clear to the caller, so it i

Android Native program reverse entry (1)-Native program startup process, androidnative In August, the sun was yellow. Who said the world is not gold? The little birds nap in the shade, and the children roll in the grass. In August, the sun was yellow. Who said the world is not gold? The golden forests, the golden grass, and the birds play a pleasant voice: The Go

. Figure 5-8 Importing Android projects 3. After importing an Android project, Android Studio will automatically load the corresponding version of Gradle to build the project, which may take a long time depending on your network condition. After the project is automatically built, 5-9 is shown. Figure 5-9 Android St

Objective Recently, there are new projects, so long have not written a blog, and then all use leisure time to learn react-native. Because the employment environment of Android and iOS brings unprecedented impact to mobile development, so many partners have to find another way, and now the more popular Hybird and react-native are also the impact on o