This article translated from: https://developer.android.com/training/basics/firstapp/index.htmlBuild your first app (APP)Welcome to Android Development!This category teaches you how to build your first app. You'll learn how to create an Android project and launch a version o
information seven times, there will be developer options. Go to developer options and turn on the Bluetooth debug switch.3. Open the debugging session:(1) Connect the USB cable to the computer and open the Android Wear app on the mobile phone (make sure the app is connected to the watch).(2) Click on the Gear menu on the right side of the interface to enter sett
, enter the time to judge whether there is no value, if no value is the first time to enter, then jump into the Application Guide page, otherwise, jump into the main page.2.ViewPager to achieve page turn effect:Package Com.yayun.guide;import Java.util.arraylist;import Java.util.list;import android.app.activity;import Android.content.intent;import Android.os.bundle;import Android.support.v4.view.pageradapter;import Android.support.v4.view.viewpager;import Android.support.v4.view.viewpager.onpagec
The most important root cause of performance problems that most users perceive as lag is because of rendering performance. From the designer's point of view, they want the app to have more animation, pictures and other fashion elements to achieve a smooth user experience. But the Android system is likely to be unable to complete those complex interface rendering operations in time. The
Android hides the app icon and android hides the app
In the past, I had nothing to worry about. I browsed my blog and saw the article that opened the app with a browser address,After trying as described in this article, I found that the
Having been exposed to Android for a while, and having some understanding of development, the idea of using Android native apps for analysis and learning has sprouted. Let's start with the alarm app.1. First download the native application, native application in the native system (of course you have to download the original system, the process please Baidu).The c
Remove the title bar from the Android app. Remove the title bar from the android app.
1. Implement in code
This. requestWindowFeature (Window. FEATURE_NO_TITLE); // remove the title bar. this indicates the current Activity.
This code must be added before setContentView.This. requestWindowFeature (Window. FEATURE_NO_TIT
Appmanager-for-android App Management Introduction:Appmanager-for-android Android app Management, connect to quicklyDownload and install APK feature, this example is suitable for start-up companies need to promote their own apk when used,Send apk connection or email via your
The Android operating system itself is a huge open source repository, familiar to both the design framework of the Android system and the efficient way to write applications. This article analyzes the source code from Google's official AOSP source 4.0.1_r1, the Android version of the mobile phone is cm 4.2.2. For the Android
Android learning route (3) run your Android app, route android
If you have created your Android project according to the previous lesson, it contains the default "Hello World" source file, allowing your project to run immediately.
How do you run your application? Two things:
Android: Baidu map app and android Baidu map app
Based on Baidu api
Copy
Variable to be defined
private BaiduMap mBaiduMap; private MapView mMapView; private LocationClient mLocationClient; private boolean isFirstIn = true;
Initialization
mMapView= (MapView) findViewById(R.id.bmapView); mBaiduMap = mM
One app in Android launches another application generally there are 2 different cases,The package name of the application being launched is known and unknown in two cases:1 The package name of the app being launched is known: /** launches another applied code, where the app's package named PackageName, the application's entry is packagename.mainactivity,
)Application name Get method: Packagemanager.getapplicationlabel (ApplicationInfo)Access method using permissions: Packagemanager.getpackageinfo (packagename,packagemanager.get_permissions). requestedpermissionsGet the specific information method by ResolveInfo:Package name Get method: Resolve.activityInfo.packageNameIcon Get Get Method: Resolve.loadicon (Packagemanager)App Name Get method: Resolve.loadlabel (Packagemanager). ToString ()"
==================== Problem Description ====================Heroes, Ben does not understand Android, ask a solution can be achieved:An already released app, this app has a button when it goes in, the normal situation is we click this button by hand, will trigger this button event;Now I want to develop an Android
Original: Android Project Combat (22): Launch another app or restart the appFirst, launch another appCurrent company project needs, a main app, need to open some small apps, these small apps are integrated unity, but still Android program (all small app package name is known
Android application development process, there may be needs, such as: Jump to the application market to download applications, jump to the application market to their own application scoring, jump to the application market to update their own applications. So how do you jump to the app market?Possible ways to jump everyone knows, the method is as follows:static void goToMarket(Context context, String packag
Shareitem.setlabel (Resolve.loadlabel (Pmanager). toString ());
Set Package Name
Shareitem.setpackagename (Resolve.activityInfo.packageName);
}
Summarize:Get the specific information method by PackageInfo:Package name Get method: Packageinfo.packagenameIcon Get Get Method: Packagemanager.getapplicationicon (ApplicationInfo)Application name Get method: Packagemanager.getapplicationlabel (ApplicationInfo)Access method using permissions: Packagemanager.getpackageinfo (packagenam
Start b.apk with a.apk, and B's icon is not visible on the phone's main screen.First, a new A, B two Android project (new HelloWorld project similar), in a project to increase the Click event (Launch button to launch the B app).Second, in the B application To modify the B manifest. xml XML version= "1.0" encoding= "Utf-8"?>Manifestxmlns:android= "Http://schemas.android.com/apk/res/
This article mainly introduces the Android app development introductory course, from the SDK download, development environment Building, code writing, app packaging, such as step one by one, a very concise Android app development tutorial, need friends can refer to the
Work
Android Technology Point notes-(Install app and uninstall app broadcast)Summary: Summarize the broadcast usage of apps installed and uninstalled in Android.On Android, the installation and uninstallation will send out the corresponding broadcasts, and the system will broadcast Android.intent.action.PACKAGE_ADDED after
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