Android

  1. Do not inherit TabActivity   2. Define TabHost in the layout   Note: The TabWidget id must be @ android: id/tabs, and the FrameLayout id must be @ android: id/tabcontent.   Java code:     Package yc. demo;   Import android. app.

Create submenusA sub-menu is a menu opened on a menu item of an existing menu. you can add sub-menus to any menu. when your program has many functions and can be organized by category, the sub-menu is the best choice. for example, the menu bar (File,

Shortcut Key To increase the operation speed of the option menu, you can add shortcuts to the menu on devices with physical buttons. the shortcut key can correspond to letters or numbers on the keyboard. you need to specify the android:

1. AwesomeEvent is a class for synchronizing corresponding events. It works similar to logoff and handler at the framework layer. player has some asynchronous operations such as parsing files, which are time-consuming, perform asynchronous

Zoom = 0 ;//Scene-detect-values = off, on;Zoom-supported = true; Strtextures = OFF;Face-detection-values =;Sharpness = 10;Contrast = 5;Whitebalance = auto;Max-sharpness = 30;Scene-mode = auto;Jpeg-quality = 85;Preview-format-values =

Last gave me the code for testing: Not see please first browse previous: http://www.bkjia.com/kf/201201/116681.html Now let's verify the magic of listView. The main thing that listview needs to optimize is the getView () method, which implements the

In previous articles, I introduced some problems encountered in the configuration process, including "how to download the android source code for Ubuntu Linux", "how to configure the Eclipse development environment for android under Ubuntu11.10, and

A few days ago, when I needed to call the binary program in java code, I found some information on the Internet and wrote something to record. Android is also a linux-based system, and can also run binary executable files. However, Android only

Modified an Android app, such as launcher. then, a launcher.apk is compiled separately. How can I put this apk in the simulator to view the effect without building the entire image? The methods found on the Internet are directly adb install. However,

what is wi-fi?Wi-Fi is a technology that can connect PCs, handheld devices (such as PDAs and mobile phones) to each other wirelessly. Wi-Fi is a brand of wireless network communication technology, held by the Wi-Fi Alliance.Wi-Fi was originally

We have prepared our own driver before, and now we want to test our tool in android.    Here, I use extern to compile and generate a tool, which can be executed in the adb shell to capture our temperature value.    This step is relatively simple and

An analysis method I saw in my post yesterday is very simple. I 'd like to share it with you! Haha, since I was just learning Android and haven't learned the following knowledge, I will go straight here. After reading his analysis, I have a simple

6 Binder memory ing and receiving cache zone management For the time being, let's take a look at how data arrives at the receiving end from the sending end in the traditional IPC method? Generally, the sender stores the prepared data in the cache

Author: Song Wensheng I. Cause During android ril development, rild crashes abnormally. This process directly controls all operations related to android RIL. if an exception is terminated, the android framework restarts. Ii. Details A) As we all

Previous Article      First, let's take a look at the layout. There is only one button and one image. [Html] Android: layout_width = "match_parent"Android: layout_height = "match_parent"Android: orientation = "vertical"> Android: id = "@ + id/button1

Previous Article http://www.bkjia.com/kf/201202/119073.htmlsaid that JNIEnv is A thread-related variable, that is, thread A has A JNIEnv variable, and thread B also has A JNIEnv variable. Due to thread-related, therefore, thread A cannot use the

Next, let's learn the appearance mode.[Html] appearance mode: provides a unified interface to access a group of interfaces in the subsystem. Create a Car class package com. jindegege. car; Public class Car { Public String start (){Return "the

PrefaceThe downloaded SDK package contains a folder named "Tools", which provides us with many Android-related Tools, some of which are essential, now let's introduce the simulator. Create an Android SimulatorYou can use "Android SDK and AVD

1. Create a java project first. Use it as a server-side program. The Code is as follows: Package com. server; Import java. io. IOException;Import java. io. OutputStream;Import java.net. ServerSocket;Import java.net. Socket; Public class Myserver

Previous: http://www.bkjia.com/kf/201203/124600.htmlAn Android app can contain zero or multiple Acivity values. When your application contains multiple activities, you usually need to jump between them. In Android, Intent components are required to