Android

Use WindowManager to add custom views and windowmanager views Original article address: Use WindowManager to add a custom View When writing about mobile guard, the user calls the phone. When answering the call, the user needs to display the phone

Cocos2d-x3.3-based DrawPrimitivesTest analysis, drawprimitivestest1. Code List2. VisibleRect class This class is the tool class that comes with test-cpp. 3. HelloWorldScene class Same as the previous Code 4. DrawPrimitivesDemo Class 1). h file

When an android alarm is triggered, press the power key to lock the screen. Two lockscreen sounds will be played.Two locks are triggered because Keyguard is locked when the screen is hidden, and then keyguard is automatically unlocked because

As the android driver of the Qualcomm platform, the android driver of the Qualcomm Platform The second time I wrote this type of blog, I wrote interviews and other experiences during my job search. The following is a testimonial about Qualcomm

Android implements floating controls and android floating controls Implement desktop View, such as desktop lyrics 1) view to be displayed on the desktop, which is mounted to WindowManager through WindowManager. addView;Note, WindowManager object

Android screen adaptation-1920x1200, android1920x1200 Solution Write values-port-hdpi-1824x1200 Problems found in recent projects I write resolution values-1920x1200, but the flat Huawei x1 does not take this resolution, write 1800x1000 will go

Android _ database_asynchronous operation Encapsulation /** * A particular {@link AsyncQueryHandler} allowing clients to be notified via a * listener. The {@link NotifyingAsyncQueryHandler} also make sure no strong * reference is kept on the given

Android cache cleanup function implementation We all know that you can view application information in Android settings> applications. One of the functions is to clear the cache. How can we implement these functions? We can obtain relevant

Android SIM Switch function and ConfigurationSIM Switch feature is a feature developed and evolved from the Smart 3G switch feature in the LTE version;MTK dual-card dual-to-single-pass version only has one 3/4G Protocol, so only one card can be camp

Maximum value input in Android EditText Sometimes, we add the maximum length limit to EditText. When EditText reaches the input limit, it is blocked from entering the text and a prompt is displayed. This problem seems simple, but it is difficult to

Android compilation and sharing of ccache Cache1. The ccache version (version 2.4) that comes with android is too low to support the above features. You need to use the new version of ccache.2. For the latest ccache, please download it at

Android Contacts/Acore processes are often killed, causing loss of Contacts after startup. What should I do?The Contacts/Acore process is often killed by ActivityManager when there are few memory and too many boot processes,As a result, the SIM card

Android AlarmManager alarm clock implementation  What is AlarmManager? AlarmManager is a system-level prompt service commonly used in Android. It broadcasts a specified Intent for us at a specific time. In short, we set a time, and then when the

Android photo image selection and image Cropping   Recently, I have extracted a common module from my previous projects. Here, it is necessary to record that it is necessary to obtain and crop images on android. How about this? This function is very

Communication principle between Android threads To understand the principle, read the fucking source1. Start with HandlerThread. HandlerThread is a class provided by the android system. It inherits the Thread and is a Thread. See the run method.

How to change the quality of Camera photos on android JB3In \ packages \ apps \ Camera \ src \ com \ android \ camera \ SettingChecker. java:Case ROW_SETTING_JPEG_QUALITY:Int intermediate Quality = getintermediate quality (context, Integer. parseInt

Android page Jump and data exchange     This article demonstrates the entire process of redirection and data exchange on the Android interface through a small Demo. The effect is as follows: 1) MainActivity. java   Package doogle. xian. bundletest;

Android plotting listening interface OnPreDrawListener details, android return key listening Public static interface ViewTreeObserver. OnPreDrawListener Let's take a look at the definition in the API: Class Overview: The interface defined for

Handler series (7) -- Activity. runOnUiThread () method details, runonuithreadMainActivity is as follows: Package cc. testui3; import android. OS. bundle; import android. view. view; import android. view. view. onClickListener; import android.

14 essential tool resources for Android Developers, android Developers Previously, the small series has brought developers benefits for many times.Development Tools. This article brings you various tools and learning resources. 1. Free Android