Android 默认把触摸屏show touches打开
16lz
2021-01-23
weiqifa@weiqifa-Inspiron-3847:~/weiqifa/new_tm100/tm100$ git diff packages/apps/Settings/src/com/android/settings/DevelopmentSettings.javadiff --git a/packages/apps/Settings/src/com/android/settings/DevelopmentSettings.java b/packages/apps/Settings/src/com/android/settings/DevelopmentSettings.javaindex 2ac79ce..b87d98b 100644--- a/packages/apps/Settings/src/com/android/settings/DevelopmentSettings.java+++ b/packages/apps/Settings/src/com/android/settings/DevelopmentSettings.java@@ -321,6 +321,9 @@ public class DevelopmentSettings extends RestrictedSettingsFragment mAllPrefs.add(hdcpChecking); removePreferenceForProduction(hdcpChecking); }+ + Settings.System.putInt(getActivity().getContentResolver(),+ Settings.System.SHOW_TOUCHES, 1); } private ListPreference addListPreference(String prefKey) {
Settings.System.putInt这个函数来设置，最后一个参数是０就是不选择，要不然就是选择复选框，
我把这段代码加在了onCreate的函数里面，启动的时候就会调用。
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