Android

Layout_weight is used to assign importance values to multiple views in a linear layout.All views have a layout_weight value. The default value is 0, indicating that the value must be displayed. The size of a view occupies the size of the screen

Requestwindowfeature can be set with the following values:1. default_features: default system status, which is not required 2. feature_context_menu: Enable contextmenu. This option is enabled by default. Generally, you do not need to specify 3

In a twinkling of an eye, most of the summer vacation has passed. The school will start in 14 days. It may take another week for students to go back to school. I borrowed a lot of books this holiday. Although I didn't think it was so efficient, I

Finding out if an intent is available Sometimes you want to find if an application has registered for a certain intent. For example you want to check if a certain holding er is available and if you enable some functionality in your app. Sometimes

How to achieve the following effects when the text displayed on textview exceeds its maximum limit:   Values/styles. xml Android: shadowcolor specifies the color of text shadow, which must be used with shadowradius.Android: shadowdx sets the

Hello everyone, let's share today how to use ant to package Android applications. We usually use eclipse to develop Android programs. It will automatically help us package the current applications. In the navigator view, we can see the following

1. Convert the image into a thumbnail and load it again: BitmapFactory.Options options = new BitmapFactory.Options(); options.inSampleSize = 2; Bitmap img = BitmapFactory.decodeFile("/sdcard/1.png", options); This code is used to read the

Due to the project requirements, some information is missing on the Internet. The demo example is as follows: Package com. ZTE. read; Package com. ZTE. read; Import java. util. arraylist;Import java. util. List; Import Android. App. activity;Import

After reading coverflow on iOS, I felt that the effect was really good. I wanted to implement a program on Android. This program references this core code on the Internet, of course, I have added some other things. If you don't talk nonsense, check

The default support library for playing video and audio in earlier versions of android2.2 is opencore. Opencore is very powerful and supports multiple media formats and extensions. Of course, this article will briefly introduce how to accelerate the

Android gallery operations1. Android calls gallery to obtain the image. Intent intent = new Intent(Intent.ACTION_GET_CONTENT);intent.setType("image/*");startActivityForResult(intent,GET_PHOTO_WITH_GALLARY); Then protected void onActivityResult(int

In the previous project, we needed to decode the h264 video, use FFMPEG, and decode YUV. The best display method is to display the video through OpenGL ES 2.0, if OpenGL ES 2.0 is not used, yuv2rgb must be used to draw the image. I only know two

We want to record the MP4 video of h264 + AAC recently and use mp4v2. The following is the compilation method. 1, download source code, download to the official website http://code.google.com/p/mp4v2/downloads/list, now the latest is mp4v2 2.0.0 2.

Today, you need to add a border on textview, but textview itself does not support borders, so you can only use other methods. You can query it online in three ways: 1. transparent image with border 2. use the shape setting 3 of XML to inherit the

Step 1: Create a project digtalclockwidget and import the image with the displayed time to the drawable folder directory: The images are as follows: Step 2: Compile the widget UI A./XML/appwidget_provider.xml B./layout/Main. xml

In Android development, we often need to pop up some dialogs on the android interface, such as asking users or asking users to choose. These functions are called the android dialog box. During the process of using Android, I summarized seven types

1. Check the listview adapter first. Mlistitemadapter = new simpleadapter (getapplicationcontext (), mlistitem, // data source R. layout. listviewitem, new string [] {"mtext", "mtime"}, new int [] {R. id. itemtext, R. id. itemtime }); 2. Index Int

1. Make-jxx XX indicates a number. This command will compile the Android system and generate an image. XX indicates the number of CPU cores that can be used, which is particularly useful on the configured computer, it takes less than 20 minutes for

1. Switch ~ /Mx0831-0525/device/other/tbdg1073/res_pack directory 2. Replace the bootup and poweron files. Find a BMP 16-bit image, remove the suffix, and replace both of them. Convert the image to the BMP 16-bit format with r5g6b5. (if not set,

[0] Working Principle of getview in listview: [1] listview asks adapter "Give Me A View" (getview) for each item of the list. (get each item through getview) [2] A New View is returned and displayed (display is returned after obtaining it) If we