android9.0去掉默认的锁屏界面和屏幕超时锁屏

目录

 

1、 修改SystemUI

2、设置屏幕超时时间为最大值不休眠实现

3、android 命令行settings进行相关设置项的修改

---

1、 修改SystemUI

将android/frameworks/base/packages/SystemUI/res/values/config.xml

中config_enableKeyguardService修改为false

编译SystemUI.apk

adb push SystemUI.apk /system/priv-app/SystemUI/

patch：

diff --git a/packages/SystemUI/res/values/config.xml b/packages/SystemUI/res/values/config.xml

index 47a6ed3..418fbb3 100644

--- a/packages/SystemUI/res/values/config.xml

+++ b/packages/SystemUI/res/values/config.xml

@@ -220,7 +220,7 @@

2.5



- true

+ false

 

2、设置屏幕超时时间为最大值不休眠实现

android/frameworks/base/packages/SettingsProvider/res/values/defaults.xml

将def_screen_off_timeout休眠时间修改为最大值，最大值就是永不休眠。

编译SettingsProvider.apk

adb push SettingsProvider.apk /system/priv-app/SettingsProvider/

patch：

diff --git a/packages/SettingsProvider/res/values/defaults.xml b/packages/SettingsProvider/res/values/defaults.xml

index 5f2496f..06e356a 100644

--- a/packages/SettingsProvider/res/values/defaults.xml

+++ b/packages/SettingsProvider/res/values/defaults.xml

@@ -18,7 +18,7 @@

-->



true

- 60000

+ 2147483647   #####休眠时间修改为最大值，最大值就是永不休眠

-1

false

false

@@ -86,7 +86,7 @@

1000

15000

- false ##### 默认不要锁屏，设置-安全--屏幕锁定 (无)

+ true

false

1

 

3、android 命令行settings进行相关设置项的修改

frameworks/base/packages/SettingsProvider/src/com/android/providers/settings/SettingsService.java

455        public void onHelp() {
456            PrintWriter pw = getOutPrintWriter();
457            dumpHelp(pw, mDumping);
458        }
459
460        static void dumpHelp(PrintWriter pw, boolean dumping) {
461            if (dumping) {
462                pw.println("Settings provider dump options:");
463                pw.println("  [-h] [--proto]");
464                pw.println("  -h: print this help.");
465                pw.println("  --proto: dump as protobuf.");
466            } else {
467                pw.println("Settings provider (settings) commands:");
468                pw.println("  help");
469                pw.println("      Print this help text.");
470                pw.println("  get [--user  | current] NAMESPACE KEY");
471                pw.println("      Retrieve the current value of KEY.");
472                pw.println("  put [--user  | current] NAMESPACE KEY VALUE [TAG] [default]");
473                pw.println("      Change the contents of KEY to VALUE.");
474                pw.println("      TAG to associate with the setting.");
475                pw.println("      {default} to set as the default, case-insensitive only for global/secure namespace");
476                pw.println("  delete NAMESPACE KEY");
477                pw.println("      Delete the entry for KEY.");
478                pw.println("  reset [--user  | current] NAMESPACE {PACKAGE_NAME | RESET_MODE}");
479                pw.println("      Reset the global/secure table for a package with mode.");
480                pw.println("      RESET_MODE is one of {untrusted_defaults, untrusted_clear, trusted_defaults}, case-insensitive");
481                pw.println("  list NAMESPACE");
482                pw.println("      Print all defined keys.");
483                pw.println("      NAMESPACE is one of {system, secure, global}, case-insensitive");
484            }
485        }

选项中的key为什么值，很难从帮助信息中看出，从代码中查看该key值是在android.provider.Settings中定义了。

该命令可以很方便的更改系统设置中的参数（如修改系统默认输入法），给出几个使用该命令的例子：

#获取屏幕休眠时间

C:\Users\Administrator>adb shell settings get system screen_off_timeout

60000

#休眠时间修改为最大值，最大值就是永不休眠。

C:\Users\Administrator>adb shell settings put system screen_off_timeout 2147483647