Android系统开发 Android10版本各种默认设置

梅花易数 發表於 2022-9-1 16:42:00

Android系统开发 Android10版本各种默认设置

<h1>前言</h1>
<div class="document">
<div class="section"> framework开发，此博客基于Android10版本，修改设置中的一些默认值</div>
<div class="section"> </div>
<div class="section">大部分的开关状态都存储在了SettingProvider(设置存储) 的db中，与状态值相关的有三个文件</div>
<ul>
<li class="section">/frameworks/base/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java：该文件中对状态值进行存储</li>
<li class="section">/frameworks/base/packages/SettingsProvider/res/values/defaults.xml：定义了开关状态的默认值</li>
<li class="section">/frameworks/base/core/java/android/provider/Settings.java：定义了各开关状态默认值存储时对应的key</li>
</ul>
<div class="section"> </div>
<div class="section">Android系统frameworks在开机后会根据defaults.xml配置表生成一个数据库来保存设置功能的一些默认数据，比如默认开启WiFi，默认开启蓝牙等等
<h1 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt">Android10版本的defaults.xml</h1>
请注意这份defaults.xml里，并不保证任何值修改后都能生效，只能作为参考。在下面的例子中，都是我实践过修改后在Android10版本能生效的默认设置。
<div class="cnblogs_code">
<pre><?xml version="1.0" encoding="utf-8"?>

<resources>

<bool name="def_dim_screen">true</bool> 
<integer name="def_screen_off_timeout">2147483647</integer>
<integer name="def_sleep_timeout">-1</integer>
<bool name="def_airplane_mode_on">false</bool>
<bool name="def_theater_mode_on">false</bool> 

<string name="def_airplane_mode_radios" translatable="false">cell,bluetooth,wifi,nfc,wimax</string> 
<string name="airplane_mode_toggleable_radios" translatable="false">bluetooth,wifi,nfc</string> 
<string name="def_bluetooth_disabled_profiles" translatable="false">0</string> 
<bool name="def_auto_time">true</bool> 
<bool name="def_auto_time_zone">true</bool> 
<bool name="def_accelerometer_rotation">false</bool> 

<integer name="def_screen_brightness">102</integer> 
<bool name="def_screen_brightness_automatic_mode">false</bool> 
<fraction name="def_window_animation_scale">100%</fraction> 
<fraction name="def_window_transition_scale">100%</fraction> 
<bool name="def_haptic_feedback">true</bool> 

<bool name="def_bluetooth_on">true</bool> 
<bool name="def_wifi_display_on">false</bool> 
<bool name="def_install_non_market_apps">false</bool> 
<bool name="def_package_verifier_enable">true</bool> 

<integer name="def_location_mode">3</integer> 
<bool name="assisted_gps_enabled">true</bool> 
<bool name="def_netstats_enabled">true</bool> 
<bool name="def_usb_mass_storage_enabled">true</bool> 
<bool name="def_wifi_on">false</bool> 

<integer name="def_wifi_sleep_policy">2</integer> 
<bool name="def_wifi_wakeup_enabled">true</bool> 
<bool name="def_networks_available_notification_on">true</bool> 
<bool name="def_backup_enabled">false</bool> 
<string name="def_backup_transport" translatable="false">com.android.localtransport/.LocalTransport</string> 


<bool name="def_notification_pulse">true</bool> 

<bool name="def_mount_play_notification_snd">true</bool> 
<bool name="def_mount_ums_autostart">false</bool> 
<bool name="def_mount_ums_prompt">true</bool> 
<bool name="def_mount_ums_notify_enabled">true</bool> 


<integer name="def_power_sounds_enabled">1</integer> 
<string name="def_low_battery_sound" translatable="false">/product/media/audio/ui/LowBattery.ogg</string> 

<integer name="def_dock_sounds_enabled">0</integer> 
<integer name="def_dock_sounds_enabled_when_accessibility">0</integer> 
<string name="def_desk_dock_sound" translatable="false">/product/media/audio/ui/Dock.ogg</string> 

<string name="def_desk_undock_sound" translatable="false">/product/media/audio/ui/Undock.ogg</string> 

<string name="def_car_dock_sound" translatable="false">/product/media/audio/ui/Dock.ogg</string> 

<string name="def_car_undock_sound" translatable="false">/product/media/audio/ui/Undock.ogg</string> 

<integer name="def_lockscreen_sounds_enabled">1</integer> 
<string name="def_lock_sound" translatable="false">/product/media/audio/ui/Lock.ogg</string> 

<string name="def_unlock_sound" translatable="false">/product/media/audio/ui/Unlock.ogg</string> 

<string name="def_trusted_sound" translatable="false">/product/media/audio/ui/Trusted.ogg</string> 

<string name="def_wireless_charging_started_sound" translatable="false">/product/media/audio/ui/WirelessChargingStarted.ogg</string> 

<string name="def_charging_started_sound" translatable="false">/product/media/audio/ui/ChargingStarted.ogg</string> 


<integer name="def_max_sound_trigger_detection_service_ops_per_day" translatable="false">1000</integer> 
<integer name="def_sound_trigger_detection_service_op_timeout" translatable="false">15000</integer> 

<bool name="def_lockscreen_disabled">false</bool> 
<bool name="def_device_provisioned">false</bool> 
<integer name="def_dock_audio_media_enabled">1</integer> 


<bool name="def_notifications_use_ring_volume">true</bool> 


<bool name="def_vibrate_in_silent">true</bool> 


<bool name="def_sync_parent_sounds">true</bool> 


<bool name="def_accessibility_speak_password">true</bool> 


<bool name="def_touch_exploration_enabled">false</bool> 


<fraction name="def_accessibility_display_magnification_scale">200%</fraction> 


<bool name="def_accessibility_display_magnification_enabled">false</bool> 


<bool name="def_accessibility_display_magnification_auto_update">true</bool> 


<integer name="def_user_rotation">180</integer> 


<integer name="def_download_manager_max_bytes_over_mobile">-1</integer> 

<integer name="def_download_manager_recommended_max_bytes_over_mobile">-1</integer> 


<integer name="def_long_press_timeout_millis">400</integer> 


<integer name="def_multi_press_timeout_millis">300</integer> 


<bool name="def_show_ime_with_hard_keyboard">false</bool> 


<integer name="def_pointer_speed">0</integer> 


<bool name="def_dtmf_tones_enabled">true</bool> 

<bool name="def_sound_effects_enabled">true</bool> 


<bool name="def_stay_on_while_plugged_in">false</bool> 


<integer name="def_max_dhcp_retries">9</integer> 


<bool name="def_user_setup_complete">false</bool> 


<integer name="def_low_battery_sound_timeout">0</integer> 


<string name="def_immersive_mode_confirmations" translatable="false"></string> 


<integer name="def_wifi_scan_always_available">0</integer> 


<integer name="def_lock_screen_show_notifications">1</integer> 


<bool name="def_lock_screen_allow_private_notifications">true</bool> 


<integer name="def_heads_up_enabled">1</integer> 


<string name="def_device_name">%1$s %2$s</string> 


<string name="def_device_name_simple">%1$s</string> 


<bool name="def_wake_gesture_enabled">true</bool> 


<bool name="def_double_tap_to_wake">true</bool> 


<string name="def_nfc_payment_component"></string> 


<bool name="def_add_users_from_lockscreen">false</bool> 


<integer name="def_end_button_behavior">0x2</integer> 


<bool name="def_restrict_background_data">false</bool> 


<string name="def_backup_manager_constants"></string> 


<bool name="def_mobile_data_always_on">true</bool> 


<string name="def_backup_local_transport_parameters"></string> 


<integer name="def_zen_duration">0</integer> 


<string name="def_backup_agent_timeout_parameters"></string> 


<bool name="def_vibrate_when_ringing">false</bool> 


<bool name="def_apply_ramping_ringer">false</bool> 


<bool name="def_charging_vibration_enabled">true</bool> 


<bool name="def_charging_sounds_enabled">true</bool> 


<bool name="def_notification_bubbles">false</bool> 


<bool name="def_aware_enabled">false</bool> 


<bool name="def_skip_gesture">false</bool> 


<bool name="def_silence_gesture">false</bool> 


<bool name="def_aware_lock_enabled">false</bool> 
</resources></pre>
</div>
<h1>设置默认最大亮度</h1>
未修改的源文件
<img src="https://img2023.cnblogs.com/blog/1497956/202311/1497956-20231124145756834-2071222430.png">
修改范围是0到255，这里直接设置为255
<pre class="language-bash highlighter-hljs" data-dark-theme="true"><code><integer name="def_screen_brightness">255</integer></code></pre>
查看结果
<img src="https://img2023.cnblogs.com/blog/1497956/202311/1497956-20231124145931292-167136549.png">
<h1>设置默认开启or关闭定位功能</h1>
源码是默认值是3=开启状态，这里我将它修改成0=关闭状态
<img src="https://img2023.cnblogs.com/blog/1497956/202311/1497956-20231124182508242-921217181.png">
修改后的效果
<img src="https://img2023.cnblogs.com/blog/1497956/202311/1497956-20231124182617042-14087444.png">
<h1>设置默认开启or关闭自动旋转屏幕</h1>
修改位置如下，这里设置为默认开启(源码默认关闭)
<pre class="language-bash highlighter-hljs" data-dark-theme="true"><code> <bool name="def_accelerometer_rotation">true</bool></code></pre>
修改后的效果
<img src="https://img2023.cnblogs.com/blog/1497956/202311/1497956-20231124192130355-1347568996.png">
<h1>修改设备成不灭屏状态</h1>
<div class="document">
<div class="section">
欸为什么是0x7fffffff  换算十进制是2147483647  
ro.rk.screenoff_time 也是2147483647
整形最大取值就是 2147483647 换算成天数也就是24.85
</div>
</div>
<div class="cnblogs_code">
<pre><bool name="def_dim_screen">true</bool>
<integer name="def_screen_off_timeout">0x7fffffff</integer>
<integer name="def_sleep_timeout">-1</integer></pre>
</div>
 
End
</div>
</div>

</div>
<div id="MySignature" role="contentinfo">
<div style="text-align: center">
本文来自博客园，作者：观心静，转载请注明原文链接：https://www.cnblogs.com/guanxinjing/p/16647057.html 
<div style="color:orange;font-size:16px;">本文版权归作者和博客园共有，欢迎转载，但必须给出原文链接，并保留此段声明，否则保留追究法律责任的权利。 </div>
</div> 
来源：https://www.cnblogs.com/guanxinjing/p/16647057.html

頁: [1]

琼殿技术论坛's Archiver

Android系统开发 Android10版本各种默认设置