Android

Java codeProtected void onActivityResult (int requestCode, int resultCode, Intent data ){If (resultCode = RESULT_ OK ){// Take a photo or select an imageIf (requestCode = RESULT_CAPTURE_IMAGE | requestCode = RESULT_CHOOSE_IMAGE ){Try {Uri uri = data.

The code structure of multiple view switches at the bottom of the button is not reasonable, and it is not conducive to implementing another function planned to be implemented later, let's talk about it first-and through touch screen, you can also

Bad code: View plainInt [] iArray = {12,122,123,124, 1 ,}; // Sort iArrayInt iMin = 999999;Int indexMin = 0;Int iTmp = 0;For (int I = 0; I // Find the smallestFor (int j = I; j If (iMin> iArray [j]) {IMin = iArray [j];IndexMin = j;}}// Put it at the

On the first day, google said that there would be electricity, so electricity would flow into the circuit board, and into the arm processor, so arm was operating. -- Xxx   The advent of the embedded world is a wild world, with electric traffic

  After reading the Android [basic tutorial], I can finally learn the [intermediate tutorial]. Haha, this time we will learn about data storage in Android development. First, we will learn Shared Preferences, shared Preferences simply stores the Key-

  Click the first button, and then enter text on the second page. The text entered in the second Activity appears in the first EditText ,, The code can understand the startActivityForResult function at a glance. First Activity   Import android. app.

  /** * This is class for touch event, when user touched the screen * Enough time, user can tag the touched place as user's favorite * Place, or fix current position and set as destination. * @ Author xinyan * @ Date 2011-10-10 */ Class Touchy

Before reading this article, we assume that you have met the following conditions, otherwise reading this article will not help you much. JDK1.6 is successfully installed in ubuntu and environment variables are configured. the ant environment is

  Just a few hours after yesterday's Ice Cream Sandwich conference, Andy Rubin, vice president of Google engineering and director of the mobile department, was interviewed by AllThingsD.The following are the highlights of the interview: Key 1:

Now we want to implement a custom Dialog, mainly involving the style File style. Refer to the case and write your own code for implementation. First, create an Android Project -- CustomDialog, and then create an xml file filled_box.xml In the

Security multithreading this article will discuss the thread model used by Android applications and how Android applications use working threads to complete time-consuming work, instead of processing the work in the main thread to ensure the UI

Today, I read about the implementation of the Android AlertDialog warning dialog box, and wrote a query item. I will share it below. The dialog box notification is mainly used to post the code when the user needs to make a confirmation or other

Reading comments (0)① When using listView or gridView, when the list is empty, sometimes a special empty view needs to be displayed to prompt the user. In general, If you inherit the ListActivity, as longTextView is automatically displayed when the

The main interface CheckBoxinListViewActivity. the java code is as follows: [java] public class CheckBoxinListViewActivity extends Activity {/** Called when the activity is first created. */private MyAdapter adapter; private ListView; private Button

In general, if we want to add a border to the ImageView, such as a gray box with a width of 3dp, we define a MyImageView class, inherit from ImageView, and draw a canvas in its onDraw method. You can also set a background image with a border. Here

Every Android application runs in a dalvik virtual machine process. When a process starts, a main thread (MainThread) is started. The main thread is responsible for processing ui-related events, therefore, the main thread is often called the UI

Keywords: network status, system settings, system time, and time formatting first determine the network status of the system/*** determine the network connection status * @ return true, available; false, */private boolean isOpenNetwork ()

Generally, programs are written under the pressure of the Project Plan. The Code completed at this time can complete the specific business logic, but the performance is not necessarily optimized. Generally, excellent programmers constantly rebuild

During the development of the standard Linux kernel, printk is used, which is the same as the name of printf output printing and also provides the formatting output function, it only has a print level and saves the information to the/proc/kmsg log,

When debugging a program, parameter output is helpful for us to know whether the entire program operates according to our own logic. There are many methods for outputting information in the java program on the Android platform on the console: 1.