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In the previous article, we used the call and text message function, but we do not know the contact information. This article describes how to get the contact information of the Local Machine from Android.
Due to the rapid Android version upgrade, Some APIs have changed. This article describes how to use the Conten
The new Android M has six major improvements compared to the current Android Lollipop (5.0):1.APP Permissions (software Rights Management): In Android m, applying a license hint can be customized. It allows for highly managed permissions for applications, such as the ability to use locations, cameras, microphones, contacts
a message to the receiver specified by data. "Android. Intent. Action. sendto"
String service_state_changed_action broadcast: the status of the telephone service has changed. "Android. Intent. Action. service_state"
String settings_action: displays system settings. Input: none. "Android. Intent. Action. Settings"
String signal_strength_changed_action broadcast:
telephone service has changed. "Android. intent. action. SERVICE_STATE"StringSETTINGS_ACTION: displays system settings. Input: none. "Android. intent. action. SETTINGS"StringSIGNAL_STRENGTH_CHANGED_ACTION broadcast: The telephone signal strength has changed. "Android. intent. action. SIG_STR"IntSINGLE_TOP_LAUNCH start flag: After setting, if the activity has bee
. Java(E.g., out/target/common/obj/apps/calendarprovider_intermediates/src/COM/Android/providers/calendar/eventlogtags. Java)8. Click OK.9. Click Finish (in "New File ")Modifying com. Android. providers. Contacts in the same way
In this way, Eclipse only has warning to parse the entire source code.
6. debug the android
function is too weak.
"Contact Sync"
I'm used to synchronizing my phone address book to Google Contacts, and the advantage is that I can have a centralized place to manage all my contact information, whether it's mail, phone, or address. Sync Google contacts in the iphone there are some limitations, first you have t
to modify Google service maps (allows an application to modify Thegoogle service map.)
Android.permission.WRITE_OWNER_DATAallows a program to write without reading the owner data (Allowsan application to write (but not read).
Android.permission.WRITE_SETTINGSallows the program to read or write system settings (Allowsan application to read or write).
Android.permission.WRITE_SMSallow programs to write text messages (Allowsan application to write SMS messages)
Android.permission.WRITE_SYNC_SE
); // disable the button
However, in some cases, when the method name does not reflect the role of the Boolean parameter, or when there is more than one parameter, and the main purpose of the method does not reflect the role of the Boolean parameter, it is not clear, for example:Copy codeThe Code is as follows: // com/android/mms/data/ContactList. javaPublic String [] getNumbers (boolean );
Can you guess that this boolean variable determines whether t
, and more, for upper-level calls. You're right, Android is a sophisticated Linux kernel.C + + libraries: Libraries for C/s + +, including Webkit,opengl (see friends who like to play games here), the most important thing is to include a sqllite, you do not read wrong, like early adopters. NET friends have played the most popular embedded database, in your mobile phone is lying. Your contacts, the text messa
environment variable to facilitate subsequent execution. $ Export Path = ~ /Bin: $ path
Note:Repo is a git-based version library management tool that simplifies git usage during Android development. Here, the repo and the official Android project list are used to automatically batch download the entire android project, eliminating the need to download a large
improve the efficiency of the operation, which is more efficient than the Dalvik virtual machine used by the previous JIT.This is the way Android systems can implement the principle of least privilege . That is, by default, each app has access only to the components that it needs to perform its work, not to other components. This creates a very secure environment in which apps cannot access the parts of the system that they do not have permissions on
checkbox. Then "Browse..." is available.7. click "Browse... "button, select EventLogTags. java (e.g ., out/target/common/obj/APPS/CalendarProvider_intermediates/src/com/android/providers/calendar/EventLogTags. java)8. Click OK.9. Click Finish (in "New File ")Modifying com. android. providers. contacts in the same way
In this way, eclipse only has warning to par
When developing applications such as short messages and app stores, we will consider adding the number of unread text messages to the icon of the short message, and adding the number of apps that can be upgraded to the app store, in this way, the goal of prompting can be achieved without occupying too much space.
This section uses an example of showing the number of contacts in a mobile phone to show how to add a number to an icon, that is, a number
automatically set to 1 (except for the URI has the Caller_is_syncadapter). The sync adapter should always provide query parameters to prevent unnecessary synchronization: the user changes some data on the server, the sync adapter updates the contacts on the phone (no caller_is_syncadapter flag) flag, when the dirty flag is set, thereby triggering synchronization
simulator, debugging tool, memory and performance analysis, and Eclipse plug-in.
Android system structure:
The following figure shows the main components of the Android operating system. Each part is described in detail below.
16:59:53 upload
Downloading attachments (194.02 KB)
Applications
Android will have some core application sets, including email clients,
advantages, access location information, run background services, Set alarms, and send status alarms.Add notifications.Each application is actually a set of services and systems, including:View: a rich and extensible View set used to build applications. Including list (ListView) and grid(Grid), text box (EditText/TextView), Button, and even embedded web browser (WebView ).Content Providers-enables applications to access data of other applications (such as Address Book), orShare your own data.Re
the files
To pull down files to your working directory from the repositories as specified in the default manifest, run
$ repo sync
The Android source files will be located in your working directoryunder their project names. The initial sync operation will takean hour or more to complete. For more aboutrepo syncAnd otherRepo commands, seeVersionControl.Using auth
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