liqingxu2005的专栏

1)     Take the strace command for example, first, getwhere the command is in:[liqingxu@localhoststrace-4.5.19]$ which strace/usr/bin/strace2)     Then, get which package this command is in.[l

1)     打开手机的“USB调试”选项，用USB连接手机。2)     用下面的命令启动手机到fastmode模式。adb shell reboot bootloader3)     然后，手机左下角会显示很小的字“=>FASTBOOT mode…”，这就表明手机已经进入到Fastboot模式了。4)     启动一个命令行窗口，运行下面的命令unlock the bootlo

1.1           ADT开发环境配置及Hello AndroidWindow| Android SDK Manager除了已经被选择的项目外，再选择下面的项目。然后，单击“Install Packages”按钮。 然后，API 20创建出的AVD有些问题，需要安装下面的API 19的各种包。请参考http:/

Eclipse有时候不能生成R.java文件，非常烦人。这时候，我们可以手工生成它。 命令为：aapt package --non-constant-id -f -m -M -S -I  -J<abs_path_to_dir_that_should_contain_gen_R_java) --generate-depe

Please refer to https://developer.android.com/tools/debugging/debugging-memory.html,http://android-developers.blogspot.com/2011/03/memory-analysis-for-android.html.In DDMS, got an

Copied fromhttp://android-developers.blogspot.com/2011/03/memory-analysis-for-android.html.Memory Analysis for Android Applications [This post is by Patrick Dubroy, an An

Copied from http://blog.objectgraph.com/index.php/2012/03/16/android-development-javascript-bridge-example-fully-explained/.Android Development: JavaScript Bridge Example – Fully Explained!

1)      Download Busybox image from http://www.busybox.net/downloads/binaries/1.21.1/2)      Because the /system partition is read-only by default.#remounts the /system and /vendor (if present

1)     Make /mnt/sdcard writablemount -o rw,remount /sdcardchmod 777 /mnt/sdcard2)     Get mkfs.yaffs2 from http://code.google.com/p/android-group-korea/downloads/detail?name=mkfs.yaffs2.arm.

有android.permission.READ_PHONE_STATE权限的Android  App可以获得下列信息：·  IMEI number (a.k.a.Device ID)·  Phone Number·  Sim Serial Number·  Subscriber ID (IMSI)代码：TelephonyManagertelephonyMana

Please refer to https://www.youtube.com/watch?v=0fEtrekNcOo. First, download NDK and install it. Then, launch Android to create a Hello World app. Then,1) Open the Activity class, then add

Take the native-activity sample for example,1)      Cd C:\Users\Qingxu_Li\AppData\Local\Android\android-ndk-r10d\samples\native-activity2)      ndk-build3)      Run the command below to ge

Copied from http://rexstjohn.com/unit-testing-with-android-studio/. This article covers the basics of using Android Unit Tests with Android Studio.Enabling Unit Testing In Android StudioMany

1. 下载并运行"Root大师" PC版2. 运行"Root大师"以root我的红米1s手机3. adb shell4. su5.  运行下列命令使 /system分区可写.root@HM2014501:/ #mount -o rw,remount -t yaffs2 /systemmount -o rw,remount -t yaffs2/systemroot@HM2

Maybe you know, Linux kernel code is not in AOSP(Android Open Source Project) by default. So, how to get the Linux kernel code of one Android version?  Please refer to https://source.android.c

1.1How to extract .image files built from AOSP(Android Open Source Project)?For example, let’s uncompress ramdisk.img under ~/WORKING_DIRECTORY/out/target/product/generic/ramdisk.img.1)      $cd

Copied from http://www.devahead.com/blog/2012/01/preserving-the-state-of-an-android-webview-on-screen-orientation-change/ Preserving the state of an Android WebView on screen orientation change

Copied from http://www.androiddesignpatterns.com/2013/04/retaining-objects-across-config-changes.html  Handling Configuration Changes with FragmentsPosted Apr 29, 2013by Alex Lockwood

首先，需要明确的是不需要CygWin。在ADT中安装NDK插件Help | Install New Software …菜单，然后从http://dl-ssl.google.com/android/eclipse/安装AndroidNative Development Tools。 然后，Window | Preferen