is compass app for android

Method:1. Create a new application.mk under the Jni folder; Add App_stl: = Stlport_static to the right of the value can also be replaced by the following:System-Uses the default minimal C + + execution library, which makes the resulting application small and memory-intensive, but some features will not supportStlport_static-use STLport as a static library, which is highly recommended by the Android Developm

empty, the installation is unsuccessful.Preferexternal:The program is installed on the external storage media, but the system does not guarantee that the program will be installed on the external storage media, and when the external storage media is not available or empty, the program will be installed in memory. If the program uses the forward-locking mechanism

= bitmap.createbitmap (BM, 0, 0, bm.getwidth (), Bm.getheight (), Matrix, True); nbsp } catch (OutOfMemoryError e) { e.printstacktrace (); } if (RETURNBM = = null) { RETURNBM = bm; nbsp } if (BM! = RETURNBM) { bm.recycle (); NB Sp } return returnbm; }public static file Imgclippath =new file (Utils.getpicpath () + "img"); public static void Deleteallfiles (File root) { File files[] = root.listfiles (); if (Files! = null) N Bsp for (File f:files) {

In Android development, it is sometimes necessary to determine whether the app is running on the foreground. CodeThe implementation is as follows: private Boolean isrunningforeground (context) {activitymanager AM = (activitymanager) context. getsystemservice (context.

> windows that are implemented with WindowManager are displayed on the screen while the app is in the background. After implementing the requirements of the hover window function: (a) Place the MyView added in the AddView () method of the WindowManager object in the custom application class declaration (static) and add the Get () set () method. Span class= "token P" > (ii) Create a new baseactivity i

PackageCom.example.test_resume;Importandroid.app.Activity;ImportAndroid.os.Bundle;/*** In onwindowfocuschanged operation can effectively avoid the first launch of the app and every time from the background after the loading pop-up window times wrong unable to add window *--token null is not valid BUG * * * @authorNULL **/ Public classMainactivityextendsActivity {Private BooleanIsfirstlaunch =false; Private

This example for you to share the Android to determine the current app state of the specific implementation code for your reference, the specific contents are as follows First type: /** * To determine whether the current application is in the foreground or background * * @param context * @return/public Static Boolean Isapplicationbroughttobackgrou

When the application version upgrade to do some sqlit operation, such as adding a field, then the version upgrade after the Sqlit does not update will inevitably errorThen Sqlit provides the alert Table command, which allows the user to rename or add fields to the tableSpecific solutions (take the table to add fields as an example):1. Change table name A to temporary table temp_a: NBSP; 2. Create a new table A with the same original indication (the field in the new table has been incremented) N

Independent of the system app in the android source code, developed like a common app, Android appI personally recommend that you first import the formatted xml and import in the ide/eclipse of the android source code to your compiled eclipse. If the

[Android] Android mobile app data to SD, android mobile app [Android] Android mobile app data to SD You can specify it in the menifest fil

(1) Android. App. Fragment: the minimum compatible version is Android: minsdkversion = "11" Therefore, your application is not compatible with applications under 3.0. You can use the (2) Android. Support. v4.

Several projects have been developed recently, involving several development models of Android. For the original ecological development, Web application development and Mixed mode development, I think that is not what is the best, which is the worst, this is entirely based o

The TestIntentData project is as follows: MainActivity is as follows: [Java]Package cn. testintentdata;Import java. util. List;Import android.net. Uri;Import android. OS. Bundle;Import android. view. View;Import android. view. View. OnClickListener;Import

As Android smartphones continue to update. Android phone system is becoming more and more perfect, screen size is getting bigger! such as the recent release of Millet MIUI 6 and Meizu mobile phone system updates and so on.To Xiaomi MIUI6 's Android phone, MIUI6 has made a ne

With the rise of mobile internet, the demand for mobile applications in all walks of life is increasing, the number of people engaged in app development is more and more, the app development industry can be said to be in the ascendant. App development

. broadcastReceiver; import android. content. context; import android. content. intent; import android. util. log; public class BootBroadcastReceiver extends BroadcastReceiver {// rewrite the onReceive method @ Override public void onReceive (Context context, Intent intent) {// XXX. class is the service Intent service

Android encapsulates this approach, and we don't have permission to call it, so we can just go through the aidl and use the Java reflection mechanism to invoke the system-level approach. The following code: (note more detailed) /** * Role:-----Get the size of the package-----* @param context * @param pkgname app's package name * @param appInfo entity class for storing some information about the app/PU

July 5, 2014, 6th, AVOs Cloud Joint Move point Technology, seven Qiniu storage, Ucloud, push Network, Segmentfault, EOE Developer community, offer, csdn and Geek College come to Mordor, A two-day hacking marathon was held for developers. This event is an exclusive collaborative media with Dynamic point technology, which features a special report on developers ' ideas and products. Love encryption as the guardian of mobile application security, was inv

Developers know that there are two types of applications in high-end smart-Phone systems: One is based on the local (operating system) running app--native App; One is the App--webapp of a browser running on a high-end machineBecause the built-in browsers for the

How does Android jump into the App from the outside and Android jump into the App? Solving this problem has two functions: 1. directly access a page without opening the App 2. share an App to the outside, and access the closed loo