Android

When data is transmitted between activities, in order to avoid the trouble, some values are often encapsulated into objects, and then the entire object is passed over. The Parcelable interface and the Serializable interface can be implemented when

  I. propose requirements Data in Applications A, B, and C must be shared. Therefore, content provider ContentProvider is defined in application B. application A modifies data in application B and inserts A data entry. In this case, the C

Hosts is a system file without an extension. It can be opened using notepad and other tools. Its function is to associate some common website domain names with their corresponding IP addresses to a "Database ", when a user enters a URL in the

You can see that there is a need for beginners to: Use the GridView to preview the image library. In the multi-choice mode, check the upper right corner. (When you select multiple preview charts in the 4.0 image library, a blue border is added,

Understanding the Menu of Android is an indispensable part of many applications. Especially in Android, all mobile phones carrying Android systems even have a "Menu" key, this shows the particularity of menus in Android programs. The Android SDK

You can use the SharedPreferences API to store key-value pairs, provide simple access methods, and control the access permissions of the SharedPreferences file. The following describes how to use the SharedPreferences API. Obtain a SharedPreferences

The new mobile phone requires an alert clock in the shutdown state. When I first started to access android, I wondered why android does not support some features in the shutdown state? Even though the drivers on each platform are different, the

Android and linux use device drivers to access hardware devices. device node files are logical files of device drivers. Applications Use device node files to access device drivers, in linux, mknod is used to create device node files. Android has its

Without a doubt, Json is the most popular data exchange format nowadays. Thanks to its ease of use, json has never been systematically learned about json, so I want to sort out json-related learning content. Json is a lightweight exchange format

Two programs A and B, and program A have two classes. One inherits Activity, and the other inherits ContentProviderB. The other inherits Activity and creates A database in program, create two tables in the database to enable program B to access the

I. Basic Knowledge: ListView is a commonly used control. Each Item in the ListView can be a string or a combination control. First, let's talk about the implementation of ListView: 1. Prepare the data to be displayed in ListView; 2. Use a

The following are good Android open-source projects collected in my daily work. You are welcome to provide unrecorded websites.     Roottools: RootTools gives Rooted developers easy access to common rooted tools...Mmsbg:Mms bg for auto send msg and

In our work, we often need to use the network and check the network status is essential. This is a tool class for checking the current network status. It can be directly pasted in the past: [Java]Package com. todoo. android. app. utils; Import

If sencha is not set, it is a framework page. When you click the return key of a browser or Android, the page or the entire program will pop out.Therefore, you need to implement the route pathI have provided a detailed description on the Internet. I

Bundle. putParcelable can be used to transmit objects, but the class of this object must implement the Parcelable interface. The following is a simple example of passing objects between activities. Parcel serializes parameters, and serializes class

[Java]Package com. anyjoys. view. component; Import android. app. TabActivity;Import android. content. Intent;Import android. graphics. drawable. Drawable;Import android. OS. Bundle;Import android. view. View;Import android. widget.

I. Use of ToneGeneratorSee com. android. contacts. dialpad. DialpadFragment ToneGenerator can only play the defined TONE_TYPE in ToneGenerator. 1. Constant Declaration [Java]/** the length of the Tone sound. Unit: milliseconds */Private static final

1. Modify SoundRecorderService. javaPublic void onScanCompleted (String path, Uri uri)Set String title = simpleDateFormat. format (date );Replace:Int separatorIndex = path. lastIndexOf ("/");String title = (separatorIndex 2. Modify private Uri

The core code is as follows: MainActivity. java [Java]Package com. example. lession05_dbs; Import java. util. List; Import android. app. Activity;Import android. content. Intent;Import android.net. Uri;Import android. OS. Bundle;Import android. view.

  First, streamline ffmpeg rules. mak Changed: [Plain] # FFmpeg HASH = HEAD # FFMPEG_SNAPURL: = http://git.videolan.org /? P = ffmpeg. git; a = snapshot; h = $ (HASH); sf = tgzFFMPEG_SNAPURL: = http://git.libav.org /? P = libav. git; a = snapshot; h