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RSS订阅原创 Android通过adb命令查询apn
adb shell sqlite3 /data/user_de/0/com.android.providers.telephony/databases/telephony.db "'select * from carriers where mcc=\"460\" and mnc=\"01\";'"adb shell content query --uri content://telephony/carriers/ --where "mcc=460"前提：必须root或userdebug/eng版本
2021-11-24 20:58:35
3130
原创 Android Camera缩率图所成的图像不是录像播放的第一帧
修改方法如下：vendor/mediatek/proprietary/packages/apps/Camera2/common/src/com/mediatek/camera/common/utils/BitmapCreator.java- bitmap = retriever.getFrameAtTime(-1);+ bitmap = retriever.getFrameAtTime(0);getFrameAtTime 这个方法的参数代表啥意思？/*
2021-11-23 20:56:55
1338
原创 Android你不知道的svc命令----解析adb shell svc源码
首先执行 adb shell svc bluetooth help看一下~/debuglogger/mobilelog/APLog_2021_1118_173806__1$ adb shell svc bluetooth helpControl Bluetooth serviceusage: svc bluetooth [enable|disable] Turn Bluetooth on or off.然后根据 Control Bluetooth service 字符串查找相关
2021-11-23 17:36:15
3851
原创 adb shell dumpsys battery源码解析
首先执行 adb shell dumpsys battery 看看~/projects/MTK_R_6580_2/alps/frameworks$ adb shell dumpsys batteryCurrent Battery Service state: AC powered: false USB powered: true Wireless powered: false Max charging current: 500000 Max charging voltage: 500
2021-11-23 16:11:09
1704
原创 Android压力测试不停开启关闭蓝牙报错
问题分析报错log信息如下09-28 13:06:08.697706 30214 30214 E AndroidRuntime: FATAL EXCEPTION: main09-28 13:06:08.697706 30214 30214 E AndroidRuntime: Process: com.android.music, PID: 3021409-28 13:06:08.697706 30214 30214 E AndroidRuntime: java.lang.RuntimeExcepti
2021-11-23 14:57:14
1415
原创 展锐Camera open failure log解析程序
出发点在展锐平台开发Camera的时候有时候会遇到报错的情况，log如下：1-05 13:26:12.429 722 29945 E Camera3-Device: Camera 0: sendRequestsBatch: RequestThread: Unable to submit capture request 8115 to HAL device: Function not implemented (-38)01-05 13:26:12.430 29604 29766 E CAM2PORT
2021-11-18 14:29:42
1963
原创 Android R移植获取音量的命令 media
media命令使用方法adb shell media volume --get[v] will get volume[v] Connecting to AudioService[v] volume is 1 in range [0..15]添加编译 media media_cmd模块diff --git a/alps/build/make/target/product/base_system.mk b/alps/build/make/target/product/base_system.m
2021-11-18 14:13:54
917
原创 Android R模块编译framework
1.编译source build/envsetup.shlunch xxxmake -j32 framework-minus-apex或用ninja编译./prebuilts/build-tools/linux-x86/bin/ninja -f ./out/combined-s9863a1h10_go_32b_Natv.ninja framework-minus-apex2.pushadb push out/target/product/s9863a1h10_go_32b/syste
2021-11-18 14:09:13
797
原创 [Ubuntu]VirtualBox扩展Win10系统上C盘硬盘空间
重新调整大小磁盘大小为80G：VBoxManage modifyhd “/home/XXX/VirtualBox VMs/win10/win10.vdi” --resize 81920右键"此电脑"->“计算机管理(本地)”->“存储”->“磁盘管理”->右键C盘->扩展卷->下一步…...
2021-05-13 14:06:03
438
原创 [Ubuntu]xubuntu thunar用use a custom command关联apk双击直接安装应用到手机上
右键需要关联的文件->Properties->Open with->Other application->Use a custom command-> 输入 “adb install -r %F” 这里必须带引号，否则添加不上其他命令也可以按照此方法添加
2021-05-07 11:36:48
179
原创 [SPRD]adb命令模拟DreamCamera2用Google Assistant语音拍照
自拍adb shell am start -a "android.media.action.STILL_IMAGE_CAMERA" -c "android.intent.category.VOICE" -f 0x10800000 --ei com.google.assistant.extra.TIMER_DURATION_SECONDS 3 --ei android.intent.extra.LENS_FACING_FRONT 0 --ez com.google.assistant.extra.USE_F
2020-12-17 09:18:04
887
原创 Android APP如何获取framework下的资源?
int resId = getResources().getIdentifier("config_mms_user_agent_profile_url", "string", "android");String resVal = getResources().getString(resId);
2020-11-02 16:40:44
545
原创 [sprd]Android Q默认没有开机铃声的项目(persist.sys.bootanim.play_sound=0)，会概率性出现开机铃声
frameworks/base/services/core/java/com/android/server/audio/AudioService.javapublic void mute(boolean state) { boolean changed = false; synchronized (VolumeStreamState.class) { if (state != mIsMuted) { changed = true;
2020-10-30 10:42:37
672
原创 [sprd]Android Q在 Launcher 上添加时钟 widget
vendor/partner_gms/apps/GmsSampleIntegration/res_dhs_go/xml/partner_default_layout.xml<appwidget screen="0" x="0" y="2" packageName="com.android.deskclock" className="com.android.alarmclock.DigitalAppWidgetProvider" spanX="4" spanY="2" />这个文件的解析过程
2020-10-30 09:45:07
760
原创 [sprd]Android Q修改 Launcher 上文件夹图标的大小和应用的图标大小一致
packages/apps/Launcher3/src/com/android/launcher3/DeviceProfile.javafolderIconSizePx = IconNormalizer.getNormalizedCircleSize(iconSizePx) - 10;这里的 -10就是调整之后的大小，可以根据自己的项目来设置
2020-10-30 09:41:16
883
原创 [SPRD]展锐Android R关机充电动画修改
关机充电是用minui开发的，代码路径如下vendor/sprd/proprietories-source/charge代码中的图片资源路径vendor/sprd/proprietories-source/charge/images手机上的图片资源路径vendor/etc/res/images项目的屏幕分辨率是540X1200，根据 vendor/sprd/proprietories-source/charge/ui.c代码中的判断，是 SIZE_720X1280static int res_
2020-10-30 09:11:43
4230
原创 深度解析Android Q cutout刘海屏
1.在 Settings/System/Developer options/DRAWING 里面看到有 “Display cutout” 菜单2.根据这个字符串找到packages/apps/Settings/res/values/strings.xml<string name="display_cutout_emulation">Display cutout</string>3.然后根据 display_cutout_emulation 字符串找到在 packages/a
2020-09-27 17:26:07
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原创 深度解析Android Q Toast
我们最常使用Toast的方法是 Toast.makeText().show();在源码中找到 Toast.java 文件的路径frameworks/base/core/java/android/widget/Toast.java先看 makeText() 方法public static Toast makeText(@NonNull Context context, @Nullable Looper looper, @NonNull CharSequence text, @Duration int
2020-09-24 14:19:45
267
原创 ubuntu终端中用 gedit 打开文件会报异常
(gedit:38195): GLib-GIO-CRITICAL **: 16:55:36.219: g_dbus_proxy_new: assertion 'G_IS_DBUS_CONNECTION (connection)' failedsudo apt-get purge fcitx-module-dbus
2020-09-23 08:51:40
1722
原创 深度解析Android Q recovery字体图片生成流程
build/make/core/Makefile# Set recovery_density to a density bucket based on TARGET_SCREEN_DENSITY, PRODUCT_AAPT_PREF_CONFIG,# or mdpi, in order of preference. We support both specific buckets (e.g. xdpi) and numbers,# which get remapped to a bucket.rec
2020-09-23 08:51:32
878
原创 git : you may want to set your diff.renameLimit variable to at least 6407 and retry the command.
git config --global merge.renameLimit 99999
2020-09-23 08:51:24
2325
原创 ubuntu mocp无法启动
在终端运行 mocp，报错信息如下Running the server...It seems that the server is already running with pid 1441.If it is not true, remove the pid file (/home/zq/.moc/pid) and try again.FATAL_ERROR: Exiting!FATAL_ERROR: Server exited!解决方法:删除 ~/.moc/pid 文件即可...
2020-09-23 08:51:16
182
原创 ubuntu使用exiftool查看图片exif信息
sudo apt-get install libimage-exiftool-perlexiftool 图片文件路径
2020-09-23 08:50:59
1189
原创 libpng12-0 Missing In Ubuntu 18.04, 19.10 Or 20.04
sudo add-apt-repository ppa:linuxuprising/libpng12sudo apt updatesudo apt install libpng12-0
2020-09-22 13:46:42
139
原创 ubuntu安装scrcpy(Android屏幕控制工具)
sudo snap install scrcpyorsudo apt-get install scrcpy
2020-09-22 13:46:02
2558
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原创 Github Clone太慢的解决方法
方法1: 使用代理网站下载https://g.widora.cn/或把 github 上的项目 import 到 gitee 上之后再用 gitee 下载(强烈推荐)方法2: 修改 hosts 文件经常要clone github中的一些项目，无奈如果不爬梯子的话速度实在是龟速，经常1k/s，于是搜了下解决方法，改HOSTS大法。Windows下在C:/Windows/system32/drivers/etc/hostsUbuntu等linux系一般在/etc/hosts在hosts中添加如下内
2020-09-22 13:40:08
781
原创 ubuntu18.04文件搜索功能异常
nautilus搜索功能type ahead searchsudo add-apt-repository ppa:lubomir-brindza/nautilus-typeaheadsudo apt-get dist-upgrade
2020-09-22 13:33:58
287
原创 ubuntu把launcher设置到底部
gsettings set com.canonical.Unity.Launcher launcher-position Bottom
2020-09-22 13:30:34
165
原创 ubuntu禁止USB自动弹出
gsettings set org.gnome.desktop.media-handling automount-open false
2020-09-22 13:28:23
372
原创 ubuntu安装sqlite3可视化工具
sudo apt-get install sqlite3sudo apt-get install sqlitebrowsersudo apt-get install sqliteman//常用指令.database.tables.schema.dump table_name.separator :.mode column.width 2.show.help.quit.exitcreate table student_info(stu_no interger primary
2020-09-22 13:27:36
414
原创 [默认值]Android Q修改默认音量
frameworks/base/services/core/java/com/android/server/audio/AudioService.java/** Maximum volume index values for audio streams */protected static int[] MAX_STREAM_VOLUME = new int[] { 7, // STREAM_VOICE_CALL 15, // STREAM_SYSTEM 15, // STR
2020-09-22 10:36:17
402
原创 Android “.nomedia“ 文件的使用方法和原理
系统媒体数据库无法扫描到数据1.插入一张SDCARD2.push 3000左右图片到sdcard3.重启4.观察发现手机不能读取到图片数据 （读取方法：Images.Media.getContentUri(“external”)获取uri, 然后读取数据库）5.push 1首歌曲6.重启进入music,等待扫描结束,music不能显示歌曲根本原因是：多媒体文件所在目录下有.nomedia文件，因此，MediaProvider会把该目录的文件识别为普通文件，具体表现是在db文件中media_t
2020-09-22 10:31:20
25986
原创 [默认值]Android不允许锁屏界面上显示Notification
frameworks/base/packages/SettingsProvider/res/values/defaults.xml<integer name="def_lock_screen_show_notifications">0</integer>0：不显示1：显示代码实现的地方在frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/NotificationLockscreenUse
2020-09-21 22:13:40
802
原创 [默认值]Android修改状态栏高度
frameworks/base/core/res/res/values/dimens.xml<dimen name="status_bar_height">48dp</dimen>
2020-09-21 21:58:22
1811
原创 [默认值]Android修改短按power键回到桌面
frameworks/base/core/res/res/values/config.xml<!-- Control the behavior when the user short presses the power button. 0 - Nothing 1 - Go to sleep (doze) 2 - Really go to sleep (don't doze) 3 - Really go to sleep and go h
2020-09-21 21:56:39
397
原创 [默认值]默认关闭数据连接
frameworks/opt/telephony/src/java/com/android/internal/telephony/DataEnableController.javaSettings.Global.putInt(mContext.getContentResolver(),- Settings.Global.MOBILE_DATA + SubscriptionManager.MAX_SUBSCRIPTION_ID_VALUE, 1);+
2020-09-21 21:00:56
323
原创 [默认值]WIFI名称修改
frameworks/base/core/res/res/values/strings.xml<string name="wifi_tether_configure_ssid_default" translatable="false">WIFI SSID</string>
2020-09-21 20:56:21
1049
原创 [默认值]默认蓝牙名称修改
system/bt/internal_include/bt_target.h#ifndef BTM_DEF_LOCAL_NAME#define BTM_DEF_LOCAL_NAME "BT NAME"#endif
2020-09-21 20:51:32
329
原创 [知识点]Log.wtf()
Log.wtf()的意思不是 What The Fuck!，而是 What a Terrible Failure
2020-09-21 20:14:23
1679
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