android is upgrading optimizing app every boot

When the app code is automatically updated, it starts with the following code Intent Intent = new Intent (Intent.action_view); Intent.setdataandtype (Uri.parse ("file://" +constants.sdk_dir+file.separator+constants.sdk_name), "application/Vnd.android.package-archive "); Context.startactivity (Intent); However, in some cases, when using these codes, when the dialog box displays the installation confirmation,

Android adds the screen saver function to the App, which is similar to the advertisement function ., Androidapp When a friend does not perform any operation for every activity in the app for 30 seconds, a screen saver is displayed. The screen saver keeps the screen bright,

Directly on the code, not much to say//In the process to find information about the current app, to determine whether to run in the foregroundPrivateBooleanIsapponforeground () {Activitymanager Activitymanager =(Activitymanager) Getapplicationcontext (). Getsystemservice (Context.activity_service); String PackageName =Getapplicationcontext (). Getpackagename (); List activitymanager.getrunningappprocesses (); if (appprocesses = = null ) return false;

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

In Android, the color of the status bar is the same as that of our App. androidapp In fact, there is nothing. It is a topic. Let's look at the code below: Three important attributes: ColorPrimary ------------ color of the corresponding ActionBar. ColorPrimaryDark -

Public Static Booleanisavilible (Context context, String PackageName) {//Get Packagemanager FinalPackagemanager Packagemanager =Context.getpackagemanager (); //Get package information for all installed programslist); //the package name used to store all installed programsListNewArraylist(); //Remove the package name from pinfo and press it into the PName list if(PackageInfos! =NULL){ for(inti = 0; I ) {String packname=Packageinfos.get (i). PackageName; Packagenames.add (Pack