Android

Find class. Dex in the Android software installation package:Change the APK file name to .zip, and decompress the class. Dex file. This is the Java file compiled and then packaged with the DX tool. Tool preparation:1. decompile the DEX file into a

The following sectionCodeThe execution principle is to send a restarted broadcast to the system. The system restarts after receiving the broadcast.Intent intent= NewIntent(Intent.Action_reboot); Intent .Putextra("Nowait",1); Intent

Read all the address books, but filter out the existing records in the blacklist. The filtering condition must be set to people. _ id. Otherwise, an error is returned: 03-22 14:37:51. 951: Error/databaseutils (108): Android. database. SQLite.

Define a dynamic control. You can click the last button to add a row of controls. Otherwise, the selected row of controls can be deleted. /** */ package Org. xiangjie. view. blacklist; Import Java. util. arraylist; Import Java. util. list;

Not to mention the Code directly: /** */ package Org. xiangjie. view. blacklist; Import Org. xiangjie. r; Import android. app. tabactivity; Import android. OS. bundle; Import android. util. log; Import android. view. layoutinflater; Import

Import java. util. hashmap;Import java. util. Map; Import Android. widget. autocompletetextview;Import Android. widget. Button;Import Android. widget. imagebutton;Import Android. widget. linearlayout;Import Android. widget. relativelayout;Import

Public abstract class cursoradapter extends baseadapter implements filterable, Cursorfilter. cursorfilterclient { ------------------- Omitted ------------------ Protected changeobserver mchangeobserver; /** * This field shoshould be made private,

Generally, the interface layout in Android is set in XML, that is, the number of elements on the interface cannot be changed in the program,However, you can also dynamically add controls in the program.Import Android. App. activity;Import Android.

The implementation of the new version of Android framework is somewhat different from that of the old version in full screen mode. Here, only the full screen code of the new Android version is provided. Package pub. Tetris; Import Android. App.

Attrs. xml defines attributes:If I define the control mycustomwidget myself, in Main. XML, I want to use this control and set the property Android: textsize =. How can I set this?Where does this property come from? You need to set attrs. XML, create

You can get the resources () handle through getresources () of Android. content. context.Then you can useThe resources () handle function obtains various resources:For exampleDrawable:Getresources (). getdrawable (R. drawable. pbook_tab_groups ))For

Android sensors can monitor the environment everywhereSuch as: direction, acceleration table, light, magnetic field, closeness, temperature, etc.Android. Hardware. sensormanager contains several constants, which indicate different aspects of the

Android ndk provides a series of tools to help developers quickly develop C (or C ++) dynamic libraries, and can automatically package so and Java applications into APK files. AndroidApplication developers can call C or C ++ local code through ndk.

I Netease blog Original: http://hubingforever.blog.163.com/blog/static/171040579201243071752744/ I. Preface memoryleaktool is a script tool compiled by Robin Hu to monitor memory usage of Android processes. It is short for MlT. Main functions: 1. It

  In this example, a custom view can accept the touch action, and then instantly display the touch track on the screen, similar to the graffiti of the line. This example demonstrates how to use ontouchevent with draw. On this basis, you can do a lot

Refer to the online article and make two color selectors.   One is a fixed-color selector. This is very simple. You only need to draw various color areas and select which one you choose. The other is the universal color selector, which has some

Files stored in RES/RAW are not compiled by the platform, but are used as available raw resources. It is very easy to read original resources. First, call context. getresource to obtain the resources reference of the current application

XML files in RES/XML are automatically extracted and compiled as resources by the Android platform (if eclipse is used.In the program, it may be read in XML format supported by Android.People. xml file code snippet Void readxmlfile

By default, Android projects in eclipse use proguard (http://proguard.sourceforge.net/) to confuse project code files.   The usage is simple: 1. Add proguard. Config = proguard. cfg to the default. properties file. 2. Configure the proguard

You can create and edit a preferences in an application and read it from another application. Of course, the premise is thatPreferencesThe permission must be at least context. mode_world_readable.For example. in teleca application A, the name is com.