Android learning 10 (android file storage) and android file storage
The android system provides three methods for simple data persistence, namely file storage, SharePreference storage, and database storage. You can also save the data to the SD card.
File storage is the most basic data storage method in
The current main Android development tools:1.adnroid-adt-bundleSDK Manager.exe:Tools (Android development Gadget) various Android version Extras additional Development Kit online Update/install the Android version Update ToolIt is not recommended to update the Android versio
First, build the Android development environmentGetting ready: Download Eclipse, JDK, Android SDK, ADT Plugin: eclipse:http://www.eclipse.org/downloads/Jdk:http://www.oracle.com/technetwork/java/javase/downloads/jdk7u9-downloads-1859576.htmlAndroid sdk:http://developer.android.com/sdk/index.htmlAdt:http://developer.android.com/tools/sdk/eclipse-adt.html1. Install and configure the Java Development environme
My Android advanced tour ------> Android uses Sensor (Sensor) to implement the level function.
The level here refers to a more traditional bubble level, filled with liquid in a transparent disc, with a bubble in the liquid. When one end is tilted, this bubble will float at one end.The first parameter returned by the Direction sensor is used to implement a compass application. My
Android preliminary: Communication Technology Introduction Android introduction, Android Communication
Communication Technology:
1G analog system can only be used for voice calls.
2g gsm, CDMA sends and receives text messages and emails.
2.5g gprs, EDGE access to wap network data. (pictures, wallpapers, text information)
3g wcdma (China Unicom), CDMA 2000 (Ch
Complete permission settings for Android and complete permissions for android
Android. permission. ACCESS_CHECKIN_PROPERTIES // allow read/write access to the "properties" table in the checkin database. You can modify the value and upload it to android. permission. ACCESS_COARSE_LOCATION // allows a program to access t
Android-Construct Secure Android client requests to avoid illegal requests. android Client
Today, we use examples to describe how to construct secure Android client requests to avoid illegal requests:
Server code:
Code 1-tool class:
Package com. ghj. packageoftool; import java. security. messageDigest; import java. se
Android development interview post-3. common Android advanced pen questions, android advanced
Follow finddreams blog: http://blog.csdn.net/finddreams/article/details/44301359In the previous article, we have learned some basic questions about the Android test. Android develo
After the Apple WWDC conference, the famous Android forum Droid-life released an article comparing iOS 7 with the Android4.2 operating system, and the author, an Android fan, said Google had been too lazy to mock rivals at the press conference, and Apple was still "like a child" The irony of Google, still, the article commented that, in general, with iOS 7, Apple is finally starting to catch up with the lat
What is the function of Android beam?
The Android beam is a new feature based on near-field communications that can share the functionality you're using for other phones. After Android upgrades to 4.1, Android Beam can now share photos and videos between two NFC-enabled Android
Android performance optimization is mainly divided into two points
1, layout optimization
2, memory optimization
Layout optimization
First look at the layout optimization, the system in the rendering UI will consume a lot of resources, so, the layout of the optimization is particularly important
Avoid overdraw
Which is to avoid excessive rendering, excessive rendering will waste more resources, for example, the
The development of Android using the Android-query framework can be fast, much less than the traditional development of Android code to write a lot of, easy to read and other advantages.
Download the document and its example and package address: http://code.google.com/p/android-query/
Here are some of the lessons I l
This article is an example of the Android Open-source approach to customizing the Android shutdown interface. Share to everyone for your reference. Specifically as follows:
In the Android system, a long press power key by default will eject the dialog box to allow you to choose "Flight Mode", "mute", "shutdown" and other functions. As shown in the following illu
Android learning route (2) create an Android project, route android
An Android project contains all the files including the Android app code. The Android SDK provides default project directories and files to create a project.
This
Android x86 is used for android Application Development. android Application Development
Android bus. id: android_bin
I. required tools:
1. virtual Machine Software (this article uses virtual Box as an example ),
2. android x86 image, large.
2. Install the
[Android learning notes] Android Studio development environment under Mac, android learning notes
For mobile terminals, I have been developing iOS for the past, and I have never used Java. However, it entered the finals of the Google Android national mobile Internet innovation challenge for college students (entering t
[Android] Android mobile app data to SD, android mobile app
[Android] Android mobile app data to SD
You can specify it in the menifest file of the application. The
...>
Android: installLocation has two other property values: "p
Android learning route (19th) Supports different devices-Supports different (Android) platform versions and android routes
When the latest Android version provides great APIs for your application, you need to continue to support the old system version before more devices are updated. This course describes how to use th
Android learning route (3) run your Android app, route android
If you have created your Android project according to the previous lesson, it contains the default "Hello World" source file, allowing your project to run immediately.
How do you run your application? Two things: Whether you have a real
My Android advanced tour ------> Android implements music oscilloscope, balancer, bass and audio field functions, and android advancedThis example is from the crazy Android handout. To implement specific functions, you need to understand the following APIs:
MediaPlayer Media Player
Visualizer Spectrum
Equalizer
Ba
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