android app called channel

, and before the preceding callback function. You usually do not need to implement this method, because the default appwidgetprovider is used to filter all app widget broadcasts and call the above method properly. Note:In Android 1.5, there is a known issue that the ondeleted () method is not called during this call. To avoid this problem, you can implement onrec

Recent company projects add something, the caller is "mobile banking", the callee is "Bankeys", take a time to record, in fact, very simple1. Caller:This we can use the normal activity of the startup mode, the code is as follows:New Intent (); Intent.setaction ("com.bankeys.mobile_sign"); Intent.putextra ("Data" ) 1);2. Callee:Add the following code to the manifest file of the activity that needs to be called by the caller app:activity andr

unreachable ), so that the GC program reclaims the memory.2.1 App memory allocation and recyclingFor each app process, the heap memory is limited to a virtual memory range. and defines the logical use of the heap size, which is within the maximum system limit and varies with the usage of the application.The logical size of the heap memory is not the same as the actual physical memory size. We will see a va

Description: Only basic test logic is described here Sort out a list of top-level pages that the app needs to focus on Basic tools: UT (internal tools, inconvenient to reveal details) Introduce the Timeprofile class in the development code: This class is the top of the UT, exposing some simple time-of-day methods, start (), End (), and so on; In the corresponding code of the first level page, mainly refers to the activity class, the Onc

buildDozen multi-Channel packages (Product Flavor)Now to explain the question in the previous section, the meaning of thetwo apk in the APK directoryWhy is there a two apk?The default Android Gralde plugin defines the two types of apk type debug, release, and these two types of detailed comparison see appendix.This is the Android Gralde plugin buildTypes{} metho

The fluency of the Android system has been compared to iOS and is considered inferior to the latter. This aspect is related to the uneven quality of the Android device, on the other hand, and the implementation of the Android system. For example, before 3.0, the Android application UI drawing does not support hardware

, data shows that we use mobile phones to view information on average about 150 times a day. Every time we do this, it is possible to get lost in other applications, often consuming a lot of unnecessary time in a task program, and sometimes even forgetting the most important information we have to query.The first batch of Android Wear hot up is Samsung Gear Live and LG G Watch, the two devices were released at the June Google I/O conference. The watch

clears the key tracking * State, so should always is called. ... */ We can see from the annotation that this function is the activity best place to judge whether it is visible, so we can Activity.onWindowFocusChanged record the end point of the application start, but we need to be aware that the function is Activity triggered when the focus changes, so be sure to get rid of unwanted situations. Summarize The above is about

Configuring the Android EmulatorThis is the first leak, configure the parameters of the VS, after the new Android project, you will find that the toolbar under the menu will be more than the Android-related toolbar, the red circle is the AVD.After you open the AVD, you can select a device from the template and then adjust the detail parameters yourself.Then choos

for cross-compilation, and go 1.3 has implemented it. Cross-compilation is required because the NDK itself does not run on Android, but only with the NDK compiled and/or linked executable programs and dynamic libraries to run on Android devices. the above proposal is based on the existing open source project Goandroid, the author is Elias Naur. Goandroid has modified the tool chain and runtime Library

Speaking of Android phone, most people's impression is a bit of time to become a little lag, some programs in the run inexplicably crashes, open the System folder A look, found a lot of files, and then use the mobile phone butler APP constantly clean optimization, just feel the speed slightly improved point, Even if the mobile phone in a variety of performance in front of the software score ahead, or feel n

overlays the main content when the drawer//opens Mdrawerlayout.setdrawershadow (R.D Rawable.drawer_shadow, Gravitycompat.start); Mdrawertoggle = new Actionbardrawertoggle (this, mdrawerlayout, R.drawable.ic_drawer, R.string.drawer_open, R.string.drawer_close) {/** Called when a drawer has settled in a completely the state. */Public VO ID ondrawerclosed (view view) {Invalidateoptionsmenu ();//creates call to//Onprepa Reoptionsmenu ()}/**

to view the shared memory used by your app, see investigating Your RAM usage2) Allocating and recovering memoryHere are a few facts about how Android allocates and reclaims memory: The Dalvik heap for each process has a limited range of virtual memory. This is the logical heap size, which can grow as needed, but there will be an upper limit defined by the system. The logical heap size and the

Speaking of Android phone, most people's impression is a bit of time to become a little lag, some programs in the run inexplicably crashes, open the System folder A look, found a lot of files, and then use the mobile phone butler APP constantly clean optimization, just feel the speed slightly improved point, Even if the mobile phone in a variety of performance in front of the software score ahead, or feel n

The above has already introduced the porting process of android temperature sensor. The code page has been posted to everyone. Now we can write an APK for testing. The code is very simple, and the interface is very simple and ugly. Haha, don't mind. This aok is only used for testing. I will not introduce it more here and paste the Code directly.Package com. android. jay. sensor1;Import

user has no desire to interact with process A at this time, so that process a becomes the object to be destroyed (why is it not destroyed directly?). The answer is also explained in the importance level of the Android process). So if the user switches to process a again when a process A has not been destroyed, process a becomes the front-end process, and process a calls Onrestart () and calls OnStart () to start the process again (at this point, the

. this . Finish (); If the activity is custom, replace the Googleunityactivity.class with a custom activity.class. method called Googleunityactivity defined in the unity scene: 1 androidjavaclass JC = new androidjavaclass ( " com.unity3d.player.unityplayer " 2 androidjavaobject jo = JC. Getstatic " CurrentActivity 3 Jo. Call ( " someandroidmethod " ); The Someandroidmethod is the Android