03 2013 档案

摘要：Type in terminal: 1. sudo gedit /etc/default/grub2. Find the line: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"3. Change this to: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi=force"4. Save the file and close the file.5. Finally, in terminal: sudo update-grub 阅读全文

摘要：1. How to get code1.0 sign-in gerrit (only for the very first time)login with your LDAP account on http://216.224.176.142:8080/setup Preferred email, you need go to your email box to click the link ( if you don't get the email in minutes, please check your spam box)upload your ~/.ssh/id_rsa.pub 阅读全文

摘要：Paddingis the space inside the border, between the border and the actual view's content. Note that padding goes completely around the content: there is padding on the top, bottom, right and left sides (which can be independent).Marginsare the spaces outside the border, between the border and the 阅读全文

摘要：分辨率适配的出发点：a.根据不同的屏幕尺寸提供UI布局（layout)。 b.根据不同屏幕像素密度（单位英寸的像素值）提供界面元素的图片。1.基本概念Screen size-屏幕尺寸(Actual physical size, measured as the screen's diagonal.For simplicity, Android groups all actual screen sizes into four generalized sizes: small, normal, large, and extra large.)手机实际的物理尺寸，指屏幕对角线的长度，比如2.8 阅读全文

摘要：比图android旋转屏幕，又竖屏到横屏，activity的生命周期onPause->onStop->onDestroy->onCreate->onStart->OnResumeAPI level 13 or higher，you should set this config instead:android:configChanges="orientation|screenSize"然后旋转屏幕，只会调用onConfigurationChanged，不会创建新activity. 阅读全文

摘要：public static boolean isMediaScannerScanning(Context context) { boolean result = false; Cursor cursor = query(context, MediaStore.getMediaScannerUri(), new String [] { MediaStore.MEDIA_SCANNER_VOLUME }, null, null, null); if (cursor != null) { if (cursor.getCount() == 1) { cursor.moveToFirst(); re.. 阅读全文