1.在 frameworks/base/packages/SettingsProvider/res/values/defaults.xml 文件中添加 def_wifi_direct_name 的默認值

<string name="def_wifi_direct_name" translatable="false">TEST</string>

2.在 frameworks/base/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java 文件中加載 def_wifi_direct_name 默認值即可

private void loadGlobalSettings(SQLiteDatabase db) {SQLiteStatement stmt = null;final Resources res = mContext.getResources();try {stmt = db.compileStatement("INSERT OR IGNORE INTO global(name,value)"+ " VALUES(?,?);");... + loadStringSetting(stmt, Settings.Global.WIFI_P2P_DEVICE_NAME, R.string.def_wifi_direct_name);.../** IMPORTANT: Do not add any more upgrade steps here as the global,* secure, and system settings are no longer stored in a database* but are kept in memory and persisted to XML.** See: SettingsProvider.UpgradeController#onUpgradeLocked*/} finally {if (stmt != null) stmt.close();} }

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