Android

17:39:41 09-20. 196: E/androidruntime (32388): Android. view. windowmanager $ badtokenexception: unable to add window -- token android. OS. binderproxy @ 45907880 is not valid; is your activity running? This bug may be caused by many situations.

The new version provides an easy-to-use actionbar. attributes such as the background and font of many of its controls can be modified in styles. xml. You need to modify the attributes of the title as follows: Int titleid = resources. getsystem ()

The types of packages supported by aidl by default are basic java types (INT, long, Boolean, etc.) and (string, list, map, and charsequence). If you want to pass custom types, first, let the custom type support the parcelable protocol. The

During client upgrade and download in the project, the user is connected to the WIF network, and the network is easily disconnected after a long time. The solution is as follows: Wifimanager 1) when the download starts, the WiFi network is locked.

Recently, I made a small application on Android 2.3, native/Web hybrid, and used a webview to display the main content area. Jquery mobile's list and built-in search functions are used. The search box is at the top of the list. when the list is

  In Android, getrunningappprocesses () is used to obtain a running process (). We first use activitymanager _ activitymanager = (activitymanager) This. getsystemservice (context. activity_service); to obtain the global status of the system.

All below build steps are trivial, but I took like a week to get a grip of... just documenting to be handy. $ Mydroid is root of your android source directory. Quick incremental buildSetup the environment for your build setup, go to Moudle's

  In Android games, the display class is mainly used in addition to the control class. In j2s, we use display and canvas to implement the display class. In Google Android, the display class is used, display and game logic processing are important

There are several tabs on the main interface during project creation. Some users often slide the screen left and right to switch the tab, so they have added the function of switching between the right and right sliding screens. Basic Idea: The

First: componentname () You can use componentname () to jump to any activity, whether it is a main activity or not. You do not have to write any modification to androidmanifest. xml of the called APK, as shown below: Componentname componetname =

Problem: Public class netstatreceiver extends broadcastreceiver {Public static final string netaction = "android.net. Conn. connectivity_change ";@ OverridePublic void onreceive (context, intent ){// Todo auto-generated method stubThis. Context =

1. A function with the same system information needs to be implemented 1) Session list; 2) Session dialog details; 3) synchronize the changes such as adding new information or deleting information in system sessions; II. Implementation ideas You can

In the project, the control is moved with the touch of the finger. package com.example.viewanimationtest;/** * @author maria * 2013-2-16 */import android.os.Bundle;import android.app.Activity;import android.view.MotionEvent;import

Gzip is short for gnuzip. It is a File compression program of GNU free software. Gzip encoding on HTTP is a technology used to improve the performance of Web applications. Generally, this function module is installed on the server and does not need

The supervisor then refreshes the firmware to implement desktop customization so that users cannot delete it. As for why, you know ....Let's talk a little bit about it. What we want to do now is not to change the launcher.apk. Instead, we want to

Why contentprovider? What is the difference between SQL and SQL? You can use contentprovider to share data with other applications so that applications other than this application can also access the data of this application. Its underlying layer is

The following is an example of how to use camera parameters to obtain camera-related parameters: Obtain the required parameters one by one. In this record, we hope to help others in order to facilitate review. Among them, those related to picture

1. First, you need to go down the source code to a directory. 2. Execute source build/envsetup. Sh in the root directory of the source code. 3. Execute the choosecombo command and select, and 3 from the options that appear. 4. Execute the make-J8

Compile the android source code:1. My system is ubuntu9.10--------------------------------------2. Install related packages:Sudo apt-Get install build-essentialSudo apt-Get install makeSudo apt-Get install gccSudo apt-Get install g ++Sudo apt-Get

1. Install 64-bit Linux 2. install Java 6$ Sudo add-Apt-repository "Deb http://archive.canonical.com/lucid partner"$ Sudo add-Apt-repository "Deb-Src http://archive.canonical.com/ubuntu lucid partner"$ Sudo apt-Get update$ Sudo apt-Get install