Android Studio realizes Baidu map and positioning

1, Functional requirements Develop Baidu map positioning according to official documents APP,Displays the coordinates of the current position. 2, Implementation process 1. Experimental environment Android Studio3.1 2. Get Baidu developer KEY https://lbsyun.baidu.com/index.php?title=androidsdk (1) Create user This part is the same a ...

Posted on Sat, 04 Dec 2021 17:49:27 -0500 by php1

Baidu map positioning APP

1, Function introduction 1. Ordinary map and satellite map can be realized. 2. You can display the positioning point of the current location in your own map. 3. Click, double-click, long press, zoom, rotate, change perspective and other operations of the map can be realized through interface or gesture control. 2, Steps and key codes 1. ...

Posted on Sat, 04 Dec 2021 16:11:44 -0500 by cainscripter

Activity - Android

1. What is the activity An activity is a component that can contain a user interface and is mainly used to interact with users. An application can contain zero or more activities, but applications that do not contain any activities are rare. 2. Basic usage of activities 2.1. Create activities public class MainActivity extends AppCompatActiv ...

Posted on Thu, 02 Dec 2021 13:55:45 -0500 by popcop

Android Studio custom page template

historical background With the rich and colorful Android native environment, many architectures have been born, such as MVC, MVP, MVVM and MVI. However, using these architectures, we have to create many class files (the project structure will be clearer). In MVC, we will create layout files for Activity/Fragment, Model, Controller and View, an ...

Posted on Mon, 29 Nov 2021 20:21:16 -0500 by romilbm

Android learning column - actual combat project cool Europe weather display weather information

Series articles Tip: go to the Android learning column and watch more! Click me directly – > Android learning column In this project, pay attention to the modification of the package name prefix and change it to your own. My package name is: com.example.coolweather, otherwise an error will be reported. preface This sub topic ...

Posted on Sat, 27 Nov 2021 17:06:51 -0500 by rupertbj

Android learning column - practical project cool weather creates databases and tables

Series articles Tip: go to the Android learning column and watch more! Click me directly – > Android learning column In this project, pay attention to the modification of the package name prefix and change it to your own. My package name is: com.example.coolweather, otherwise an error will be reported. preface Refer to Mr. G ...

Posted on Wed, 24 Nov 2021 18:30:18 -0500 by 3dron

Common Davlik bytecode interpretation and APK cracking process for Android reverse

Cracking process Android program cracking process: decompile - > analyze - > Modify - > decompile - > sign. These operations are performed on the command line. Of course, there are also tools that integrate these operations: macos: Android-Crack-Tool Windows: Android Killer Relevant knowledge register The concept of register ...

Posted on Wed, 24 Nov 2021 01:39:53 -0500 by abda53

Jetpack LiveData source code analysis

1, LiveData overview LiveData is an observable data holder class. LiveData is located under the android.lifecycle package and has the ability to sense the life cycle, such as the life cycle of Activity, Fragment, Service, etc. This perception means that there is no need to manually handle the life cycle when using, so as to avoid problems such ...

Posted on Sat, 20 Nov 2021 19:29:40 -0500 by kkeim

Android JNI learning - "hello world" of actual JNI

This series of articles is as follows: Android JNI (I) -- Fundamentals of NDK and JNIAndroid JNI learning (II) -- the "hello world" of actual JNIAndroid JNI learning (III) -- mutual call between Java and NativeAndroid JNI learning (IV) -- Chinese API of common methods of JNIAndroid JNI learning (V) -- Demo demonstration The loca ...

Posted on Wed, 17 Nov 2021 20:58:21 -0500 by f8ball

Android EditText @ friends delete the whole block

Opening nonsense It was found that the class of At friend function in the project will have some bug s in some cases, so we combed the logic again, wrote a new one that can display At friends in EditText, highlight, delete the whole, support display on TextView after publishing, and support hyperlink click and other functions. GitHub addres ...

Posted on Wed, 17 Nov 2021 01:59:27 -0500 by sazzie