One of the accumulation of android audio architecture on the Samsung platform

The overall android audio includes the android layer and the underlying ASLA driver. Recently, I started to call the 3G Function and then began to access the android audio architecture. I had some experience debugging the sound card before. However,

Android learning notes: getting mobile phone screen size

The screen size of android mobile phones has always been a headache for developers. Because the screen sizes used by mobile phone manufacturers are different, the presentation and layout of user UI interfaces are naturally different. Therefore, when

Summary of problems caused by compilation of all Android Projects

1. The error log is not compiled. Frameworks/hwext/Android. mk: 167: frameworks/hwext/haplv1/src/com/huawei/android/hardware/fmradio/libfm_common_halFrameworks/hwext/Android. mk: 168: LOCAL_PATH =

Android Study Notes 01: Development Environment setup

Recently, I started to learn about Android development. As a result, I encountered a lot of problems when setting up the development environment. because I had to go to work during the day, I had to come back at night and try again, it took nearly a

Android Study Notes 15: Implementation of Frame Animation

In Android, Animation can be implemented in two ways: Tween Animation (gradient Animation) and Frame Animation (Frame Animation ). Gradient animations are animated by constantly performing image translation (translation, scaling, rotation, etc.) on

Android Application Object

The Android Application and the Activity and Service are both components of the Android framework. This Application is usually automatically created when the app is started. The Application is a singleton mode in the app, and the Application is the

Implementation of binary search and precautions

When you hear about binary search, you may think it is very simple and will naturally ignore it. So is there anything worth noting in implementing this seemingly simple algorithm?Below is the implementation of a binary search I wrote.Int

Android timed start \ cancel

[Java]Intent intent = new Intent ("cn. pocketdigi. update. alarm ");Intent. setClass (this, AlarmReceiver. class ); PendingIntent pi = PendingIntent. getBroadcast (this, 0, intent, 0 );// Set a PendingIntent object to send a broadcastAlarmManager am

Android development: a simple way to add hyperlinks to TextView

There are many ways to add hyperlinks to TextView, but the following method should be the simplest and most reasonable String defined in strings. xml Dongzi blog   Textview definition in the layout, and textview text references 'blog 'defined in

Introduction to Android resource files and folders

In the Android project folder, the main resource files are stored in the res folder.1: The assets folder is a native file that is not compiled and processed, that is, the files in this folder are not like xml, java files are pre-compiled, and some

Android Sina sharing instance

Sina sharing is relatively simple. Sina has provided a complete demo. Android shares Sina's sharing functions in three cases: Text-only, with images, the images are local images (the pictures are transmitted to the address of the mobile phone), 2nd

Why does the LCD backlight flash when the gradient is adjusted in android?

If the backlight gradient process causes the backlight to flash, you can modify it in any of the following ways: Method 1. reduce adjustment level time http://blog.csdn.net/sergeycaoBy default, the screen-Off animation is triggered when the

Four storage methods for android data: File

File: a commonly used File (I/O) storage method that stores a large amount of data. However, updating data is difficult.   The following implementation: use the file generated by the local data file to process new storage, read and delete data If

How to implement sound control in Android games

[Java] // audio volumeIntstreamVolume;// Define the SoundPool objectPrivateSoundPoolsoundPool;// Define the HASH tablePrivateHashMapsoundPoolMap;/*************************************** ************************* Function: initSounds ();* Parameters:

Android restarts the application code

[Java]Intent I = getBaseContext (). getPackageManager (). GetLaunchIntentForPackage (getBaseContext (). getPackageName ());I. addFlags (Intent. FLAG_ACTIVITY_CLEAR_TOP );StartActivity (I ); Intent I = getBaseContext (). getPackageManager ().

Android jni -- basic Types, Strings and Arrays

To learn a new programming language, data types are the most basic. Here we will talk about the data types in jni. In JNI, data types are divided into three types: Primitive type: int float char Reference type: class instances arrays String type In

Simple Example of Apache Virtual Host Configuration

The details are as follows:   VirtualHost *:80> DocumentRoot "/data/www/test" ServerName test.58tech.com RewriteEngine on RewriteEngine on RewriteRule ^/rule$ /rule/ [R] RewriteRule ^/rule/$ /test2013/5033/test/index.shtml [

Android ANR Case Study

Case 1: keywords: ContentResolver in AsyncTask onPostExecute, high iowaitProcess: com. android. emailActivity: com. android. email/. activity. MessageViewSubject: keyDispatchingTimedOutCPU usage from 2550 ms to-2814 ms ago:5% 187/system_server: 3.5%

Why does the Activity not call the onActivityResult () method?

Problem description: In the Activity, startActivityForResult (intent, requestCode) is used to activate AnotherActivity.When AnotherActivity is executed:Intent intent = new Intent ();Intent. putExtra ("test", "hello ");SetResult (RESULT_ OK, intent )

Disable horizontal and vertical screen Switching

In some cases, you may need to disable horizontal and vertical screen switching. This requirement is very simple, as long as you are in AndroidManifest. add this line in xml: android: screenOrientation = "landscape" (landscape is horizontal and

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