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px, technology over the actual use of technology is half of the pixel, that is, half of the pixels = technical dimensions; For example: "Classification" 2 words, I standard is 36px, technology that size is 18px;B: All text, the dimensions of the line spacing are even; because the technology is divided by our size by 2;C: Color Labeling Some technical requirements 16, some technical requirements RGB, due to the limitations of the page so I only labeled 16 binary, press 16 and RGB are labeled the
-myapp/_design/acra-storage/_update/report", "tester", "12345")Last step, don't forget to add network permissions in androidmanifest.xmluses-permission android:name="android.permission.INTERNET"/>Congratulations to you! All done!TestNow let's test it and add some crash to the activity. For example:TextView tvHello;@OverrideprotectedvoidonCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); tvHello.setText("Test Crash");}Ru
Because the H5 page in the mobile side of the compatibility and extensibility of the advantages, but also for the app to be implanted H5 page corresponding flexibility has greatly improved (such as activities, game updates, etc.). App development inevitably needs to be loaded into some H5 pages. But the Android client may have some unpredictable problems with the
to mobile devices, and users download this file onto their devices. All the code in an. apk file is considered an application.
AAPT:
AAPT is the acronym for the Android Asset Packaging tool, which is included in the tools/directory of the SDK. View, create, and update zip-compatible archive files (zip, jar, apk). It can also compile the resource file into a binary package.
Although you may not often use appt directly, the build scrip
Android operating system for In addition, if the user wants to add an app shortcut to the device's home screen, you can press and hold the app's icon in launcher, and the Android system will automatically add a shortcut to the app on the home screen. The name and
packagemanagerservice.queryintentactivities interface to Retrieve all ACTION types to Intent.action_ MAIN, and the category type is Intent.category_launcher's activity (when the Packagemanagerservice is started, the application in the system is parsed again, The parsed activity is then saved in the Mactivities member variable, where the mactivities variable's queryintent function returns the activity that matches the condition intent, This is where the ACTION type is intent.action_main, and a
and cache images such as food, stores, and user portraits, for details about how to use UIL official github, refer to the Android open-source framework Universal-Image-Loader (1) --- basic introduction and usage;
Android-asyn-http is used as the network request library: An android Asynchronous Network request framework, which is clearly described in the officia
Android Four components:Activity,Service,broadcast Receiver,Content ProviderCreate activity
Defining Java classes, inheriting activity classes
Configure activity tags in the manifest file
The Activity tab will create a shortcut icon in the system if it comes with this part of the code Intent-filter > android:name= "Android.intent.action.MAIN"/> android:name= "Android.intent.category
the building of Java environment, teach you to download jdk, download Androidstudio, and familiar with the use of Androidstudio, if you want to use eclipe development, you can add QQ group, private chat me. ②, import Open source framework, problems encountered during the import process, there are gradle version issues,SDK path issues, and the different phone model differences will cause the compilation apk is unsuccessful. ③, teach you to use basic Android
void onPause () {// synchronize the life cycle of MapView with Activity. When activity is suspended, MapView must be called. onPause () mMapView. onPause (); super. onPause () ;}@ Overrideprotected void onResume () {// synchronize the life cycle of MapView with Activity. MapView must be called when activity is restored. onResume () mMapView. onResume (); super. onResume () ;}@ Override protected void onDestroy () {// synchronize the life cycle of MapView with Activity. When activity is destroye
Because the H5 page in the mobile side of the compatibility and extensibility of the advantages, but also for the application of the H5 page embedded in the app's flexibility has greatly improved (such as activities, game updates, etc.), app development inevitably need to load some H5 page, but the Android client page content of the typesetting, collation, Interactions, and so on, may cause unexpected probl
Recently took over a bug, when uploading the App store, some store calls the AAPT tool to get the APK information, the following similar error occurred when obtaining information.Package:name= ' com.xxx.activity ' versioncode= ' 1 ' versionname= ' 1.0 'Sdkversion: ' 8 'Targetsdkversion: ' 21 'Application-label: ' 鎺 Imperial intestine Samuel 嗛 at 'application-icon-120: ' Res/drawable-ldpi-v4/ic_launcher.png
method.Iii. Overview of the implementation methodsOne might think that if you could download a DLL-like file or a jar package like any other platform, it would automatically recognize and load the feature? Unfortunately, the Android platform is not allowed to directly load the jar package, the author did not think of a similar approach. So, to do this, you still have to load it in a standalone apk. And the first way is different, from the design poin
Android App design Support library full use instanceAndroid 2015-06-04 15:30:41 released
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Collection9 Collection1 backgroundLast week's annual Google IO Global Developers conference just ended, Google in the Android this piece apart from some optimizations are not too big highlights. On
the simulator, or through GPX and KML files.Six, other 1,fileexplorer open File Explorer via device > File Explorer. Here you can browse files, upload and delete files, of course, there is a corresponding permission restrictions.2,screencapture is available through device > Screen capture.3,exploringprocesses through device >show process status, the information here is output through the shell command "Ps-x".4,examine Radio State detects broadcast status through device >dump Radio.5,stop a virt
limit function, through the network speed limit function, you can simulate some of the user's real environment. Fiddler provides the network speed limit plug-in, which we can download on his website: http://www.telerik.com/fiddler/add-onsClick "Download", after the download is complete, click Install, you need to restart the fiddler, after restarting Fiddler, you can see the Fiddler Toolbar tab, a more fiddlerscript option.For example, I need to delay a period of time before the request can be
explicit intent to initiate cross-app activity.For more information about Intent-filter, you can refer to the official documentation: "Intents and Intent Filters", or my translated blog: "Android official Docs app components (Intents and Intent Filters) ".Start activity (starting an activity)In order to start an activity, you can call the startActivity() method
Develop a particularly simple small Android app that mainly does these things:1. Configuring the Activity_main.xml FilePlacing a textview and a listview,textview for displaying text, the ListView setting ID asks Listview0 for placing multiple item;The position (location) and ID (the first few lines) of item are starting from 0 (Onitemclick (adapterview2. New Listview0.xml filePlace a imageview to display th
basic developer information, detailed participation in the market register instructions) For example, as seen in:?Note: Can search in Baidu : xx Developer Center,xx open platform. 2. After logging in, go to the Admin center and if you've uploaded the app before, you'll see the information already in the app below. For example, as seen in:????3. after entering the Admin center, click Create software Selecti
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