Programmer Think

kotlin uses Parcelize annotations to simplify Parcelable writing Parcelize Note kotlin added support for parcelable at version 1.1.4 The Android extension now includes an automated generator that implements Parcelable.The generator automatically creates the writeToParcel ()/ createFromParcel () method by declaring the serialized propertie ...

For beginners, android 4.4 doesn't know how the default number for SMS centers is set, but now it's a rule to write a short summary of what you see every day, so let's just tell it! First I found a place to set the SMS center number on the display of the control: Filename: SimSettingPreferenceActivity.java @Override protected voi ...

Builder mode is also a very common mode, such as AlertDialog in Android, which uses Builder design mode. Here is an example to illustrate. 1. First let's create a Person class class Persion { public String name; //Full name public int age; //Age public int income; //income public String getName() { return name; ...

The purpose is as follows: This is only for the ImageView above, the composite layout in the middle, and the banner diagram below, which was also mentioned before the uniform color processing of the status bar.Analyze the top and bottom hooked view, which can be achieved by simply extending ImageView. Consider the fo ...

These days, the development of external SDK, can achieve landing, payment.Similar to developing a set of QQ, WeChat third party login.The authorization protocol used is OAuth 2.0.Among them, Http Authentication is used, and you can consult the online materials. There are all kinds of answers, some don't know if they have been verified, and some ...

No more nonsense, just code it 1. This class is the basic implementation of ViewPager, and then add viewPager.setPageTransformer(); this method, you can add switching animation, very convenient By the way, viewPager.setOffscreenPageLimit(4) ; this method, by default, is 1, which means preloading an adjacent page, one on the left and one on t ...

Android studio novice development: weather app (Baidu map api + wind weather api + city query + broken line display) 1. Content introduction 2. Environment configuration 3. Import another demo 4. AS project analysis 5. Weather project flow 6. Data exploration 7. Module architecture 8,sharedpreference 9. C ...

Custom content provider 1, What is content provider 2, Content provider role 1. Content provider 2. Content resolver 3, Custom content provider 1. Custom content provider Step: (1) Custom class inherits ContentProvider and rewrites its methods (2) Manifest file registration content provider 2. ...

Please read this article before reading it Specialize in fancy (1) to the simplest custom View, increase self-confidence, you can do it. As the second part of the fancy series, there is no nonsense in this part. It's all the basic knowledge needed to learn the custom View well. For example, to learn Eng ...

preface Most pages have a title block, which usually encapsulates the initialization code of the general title block in the base class, and then only needs to include a title block layout in the layout code, so it is very convenient to set the title block in the Activity. This may be the current more ...