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add the following code to the AndroidManifest. xml file of your app:
android:name="android.permission.READ_CALENDAR">
android:name="android.permission.WRITE_CALENDAR">
After registering these licenses, you can access your calendar data without any Google login issues. Because the calendar application is not installed in the Android simulator
This example describes the ContentProvider usage of the Android content provider. Share to everyone for your reference, specific as follows:
Personcontentprovider content provider Class
Package com.ljq.db;
Import Android.content.ContentProvider;
Import Android.content.ContentUris;
Import android.content.ContentVa
Problem:
Im trying to implement mapview example which is defined on Android Hello views example but now Im facing failed to find provider info for com. Google. settings error...
Solution:
The mapview example doesn't set API key by default. So you must set it. Here is step
1. Calendar ProviderThe calendar Provider is a repository for a user ' s calendar events. The Calendar Provider API allows you to perform query, insert, update,and Delete operations on calendars, events, attendees, reminders, and
a detailed URI, so that we should return the MIME type related to the URL of the matching pattern.
For common types: text, HTML, JPEG,getType()The method should return the standard MIME type.
For the URIs of a specified row or multiple rows,getType()The method should return the MIME format specified by android:
Type part: vnd
Subtype:
URI mode has only one row: android. cursor. item/
URI mode h
The content resource ID is the unified identifier of the data in the provided device. Content resource identifiers include the complete provider's name (its permissions) and the name (a path) pointing to the table or file ). The optional ID part points to an independent row in the table. Each data access method of the contentprovider class must have a content resource ID as a parameter, which allows you to decide the table, row, or file to be accessed.
Design permission
Generally, the
Content Provider is primarily used to share data between different applications, although both the file storage and Sharepreferences provided by Android can be set to share data in global read-write mode, but due to security issues, has been abandoned in the Android4.2. The content provider provides a secure way to share data. When a program provides an external
://com.google.android.mycontentprovider");C. Define the name of the data column you want to return to the client. If you are using an Android database, you must define a column called _id, which is used to represent the uniqueness of each record.d. Create your data storage system. Most content provider use an android file system or SQLite database to keep data, b
Android custom calendar and android calendar
A few days ago, I had nothing to worry about, and I wanted to make some gadgets to play. It took more than a day to get a simple calendar View. It can be divided into the month mode and the week mode. Scroll to view, first look:
primary key column, a MIME type column, and one or more common blob columns. The meaning of the data in the Blob column is indicated by the values in the mime column. This allows you to store different types of data in each row of a table. The contactscontract. Data Table of the contact provider is an example of an independent mode table.
Design Content: Uris
A content URI indicates the data in a
Content ProviderIn data processing, Android usually uses the content provider method. Content provider uses the URI instance as the handle of the data encapsulation, it is convenient to access the data to increase, delete, change, check the operation. Android does not provide a shared data store for all applications, w
Content Provider
In data processing, Android usually uses the Content Provider method. Content Provider uses the Uri instance as the data encapsulation of the handle to conveniently add, delete, modify, and query data. Android does not provide data storage shared by all appl
application must be in the Manifest file
element, otherwise, the system is ignored and will not run Content Provider.
You only need to declare the content Provider that the application contains. Content Provider that belong to other applications and are used by this program do not need to be declared.
The Android
pattern instead of the specified URI, so we should return and match the pattern of the URIs related data type.For the common type: Text,html,jpeg, the getType() method should return the standard MIME type.For URIs that specify one or more rows, the getType() method should return the MIME format specified by Android:
Type section: VND
Subtype section:
URI pattern is only one line: android.cursor.item/
URI pattern has mul
provide
For example, if the authority of a provider is com. example. App. provider and it exposes a table named Table1, the MIME type of multiple rows in the table is:
Vnd. Android. cursor. DIR/vnd.com. example.
our program is not compromised.However, before learning the content provider, we need to master another very important knowledge--android running permissions.2. Run-time permissionsTo protect users ' security and privacy as much as possible, Google has introduced runtime permissions in the Android 6.0 version to better protect users ' security and privacy. (1).
Content Provider Architecture
AuthoritySimilar to the domain name in the web, each content provider registers authority with the system through AndroidManifest. xml, as shown below. Here, name is the class name, that is, how to find this contentProvider. You can save the package name in AndroidManifest. xml without writing the complete class name. For example,
Address: http://developer.android.com/tools/testing/contentprovider_testing.html
Content Provider is an important part of the android API. It can be used between applications to save and extract data.
This document describes how to test public content providers. It is also applicable to providers used by developers. If you are not familiar with the content provider
files to other applications.
You want to allow users to copy complex data from your app into other apps.
You want to provide Custom Search suggestions using the search framework.
You need to use content providers in the following cases:
1. You want to provide complex data or files for other applications;
2. You want to allow users to copy complex data from your application to other applications.
3. You want to use the search framework to provide custom query recommendations
Content
or files to other applications.You want to allow users to copy complex data from your app into other apps.You want to provide custom search suggestions using the search framework.
You need to use Content Providers in the following cases:1. You want to provide complex data or files for other applications;2. You want to allow users to copy complex data from your application to other applications.3. You want to use the search framework to provide custom query recommendations
Content
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