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Android CTS (Compatibility Test Suite) introduction
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分类于
Android
http://i-miss-erin.blogspot.com/2010/04/android-cts-compatibility-test-suite.htmlWhat is CTS?Compatibility Test Suite is a command mode tool to run a series of test cases in Android. They published all from Eclair branch on January 2010.git repository http://android.git.kernel.org/?p=platform/cts.git;a=summaryHow to run CTS in host machine?$ cd $MYDROID$ . build/envsetup.sh$ make cts(it would generate all test plans, packages, cases, result report format and then zip to a android-cts.zip file
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Android 常用目录结构
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Android
frameworks/base/core/java/android/{os, view, widget, preference …}frameworks/base/core/java/android/widget/ImageView.java, TextView.java, Button.java, ListView.java, ListAdapter.java, SeekBar.java, CursorAdapter.java, Toast.java, FrameLayout.java, LinearLayout.java … frameworks/base/core/java/android/app/Activity.java, Service.java, Dialog.java, AlertDialog.java, ProgressDialog.java, ListActivity.java, Notification.java, NotificationManager.java, PendingIntent.javaframeworks/base/core/java/andr
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改变Android系统默认铃声
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Android
修改系统notification, ringtone, alarm：在build/target/product/core.mk中添加PRODUCT_PROPERTY_OVERRIDES :=ro.config.alarm_alert=my_alarm.wavro.config.ringtone=my_ringtone.wavro.config.notification_sound=my_notification.wav注意：alarm.wav必须位于/system/media/audio/alarms/目录下，相应的ringtone.wav、notification.wav必须位于ringtones、notifications目录下。（参考frameworks/base/data/sounds/AudioPackage2.mk）
PRODUCT_PROPERTY_OVERRIDES的设置，最终会在编译生成的out/target/product/generic/system/build.prop中添加相应属性：ro.config.alarm_alert=my_alarm.wavro.co
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移植Google Market
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分类于
Android
http://blog.csdn.net/st50886160/archive/2010/02/01/5277982.aspx 移植Google Apps (Market;GTalk;Google Maps;GMail;Voice Search)的大致步骤如下： 1. 通过ADB，从Google定制的手机下载相关的文件(jar/lib库，apk安装文件，xml权限文件等)；Market;GTalk;GMail均需要验证Google帐户，Market需要GTalk服务。 com.google.android.gtalkservice.jar （GTalk服务,market必需）com.google.android.maps.jar （google map服务）com.google.android.gtalkservice.xml
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Java I/O
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Java
更多参考《Java in a nutshell》～～ java.nio.charset 字符集包，CharsetEncoder和CharsetDecoder允许对编码和解码过程进行精细的控制String input = "你123好";Charset charset = Charset.forName("ISO-8859-1");CharsetEncoder encoder = charset.newEncoder();encoder.onUnmappableCharacter(CodingErrorAction.IGNORE);CharsetDecoder decoder = charset.newDecoder();CharBuffer buffer = CharBuffer.allocate(32);buffer.put(input);buffer.flip();try { ByteBuffer byteBuffer = encoder.encode(buffer); &n
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Android : message loop for an thread
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Android
message loop for an threadThis is a typical example of the implementation of a Looper thread, using the separation of and to create an initial Handler to communicate with the Looper. class LooperThread extends Thread { public Handler mHandler; public void run() { Looper.prepare(); mHandler = new Handler() {
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jni -- Java下调用native C函数（实现自己的JNI_OnLoad函数）
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Java
$ cd test_jni$ cat com/jfo/check.javapackage com.jfo;public class check { public static native String hello();static {try {System.loadLibrary("test");} catch (UnsatisfiedLinkError ule) {System.err.println("WARNING: Could not load library!");}}public static void main(String[] args) {String s = new check().hello();System.out.println(s);}}$ javac com/jfo/check.java$ javah -jni com.jfo.check // this will generate "com_jfo_check.h" he
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Makefile : include derective
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gcc/binutils/make/共享库
~~Make的第一遍会收集所有需要make的目标，当以下Makefile中include的文件不存在时，则直接跳过；收集完目标后，进行make动作，更新目标，在更新过程中产生了被include的文件depend，但此时depend的内容不会被放入make的目标，可以理解为第一遍收集已经完毕。只有当再次运行make时，depend的内容才会起作用。$ touch a.c$ touch a.h // now a.h is newer than a.c$ lsa.c a.h Makefile$ cat Makefileall: dep@echo ‘all:dep’.PHONY : depdep : a.cecho -e "a.c:a.hnt @echo ttt" > dependifneq ($(wildcard depend),)include dependendif$ make –debug…Reading makefiles…Updating go
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jni -- Java下调用native C函数
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分类于
Java
$ cd test_jni$ cat com/jfo/check.javapackage com.jfo;public class check { public native String hello();static {System.loadLibrary("test");}public static void main(String[] args) {String s = new check().hello();System.out.println(s);}}$ javac com/jfo/check.java$ javah -jni com.jfo.check // this will generate "com_jfo_check.h" header file.$ lscom com_jfo_check.h jni$ cat com_jfo_check.h/ DO NOT EDIT THIS FILE - it is machine gene
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