android secure startup

Six months did not install the environment, engaged for a long while to get it done, on the way encountered a lot of problems, the first introduction of the environment variable configuration, which is related to the simulator started to be unsuccessful problems:1. Right click "My Computer"-"Advanced system settings-" Environment variables-"New in System variables-" variable name: android_sdk_home, Variable Value: D:\SOFTWARE2015\ANDROIDSDK\MYADT\SDK (this is the path of the SDK)-" Open Path--in

 morning encountered a tricky thing, import a project, the results of the original Tomcat server to guide the bad, all kinds of red, black, blue error everywhere ah, just finished a project, afraid of being destroyed, I that worried! Fortunately, the following are the most effective ways to choose the right way to go without a road: Here are a few errors to consider:Document base E:\workspice\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\zhgy\;Exception in thread "main" JAVA.L

I started to study Android development and encountered a problem when setting up the development environment ...... It is a tough task ~ JDK is installed, environment variables are configured, the full version of ADT is installed, and helloworld is created. Program, An error is reported at startup. "Please ensure that ADB is correctly located at 'd: \ adt-bundle-windows-x86_64 \ SDK \ platform-tools \ ad

Start different activity depending on the type of open file1, if we want to associate all the documentsIt needs to be written in Androidmanifest.2, according to mimetype start different activity String MimeType = Intent.gettype (); if ("Android.intent.action.VIEW". Equals (Intent.getaction ())) { if (mimetype.matches ("video/(. +)") | | Mimetype.matches ("audio/(. +)")) { startActivity1 (); } else { startActivity2

The fundamental reason for being in the refreshing ' View ' Gradle project is that the Gradle version used in the project was not found in the Gradle_user_home path, so it was downloaded using the Distributionurl path. , but it will be very, very slow to download, so it's stuck in the refreshing ' View ' Gradle projectMy this gradle_user_home= "C:\Users\Ivan\.gradle\wrapper\dists", everyone can find according to their own pathTo solve this problem quickly, first determine the Gradle version used

1. StandardStandard mode, which is the default startup mode for the activity, which is automatically used by all activities without displaying the specified condition.Android uses the return stack management activity, in standard mode, whenever a new activity is started, it is placed in the stack on the back of the stack and at the top of the stack.For example:1 Public classFirstactivityextendsappcompatactivity {2 @Override3 protected voidonCreat