Android 如何默认勾选DATA ROAMING(数据漫游)

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正文

 

方法1:
1: 修改文件:
alps\mediatek\config\贵司对应项目\system.prop
 
2: 增加定义

ro.com.android.dataroaming=true

ro.com.android.dataroaming2=true

 

 

3:修改setting里UI的默认值
      修改 telephony.java 里 SimInfo 类的    
        DATA_ROAMING_DEFAULT = DATA_ROAMING_ENABLE
 
 
方法2:
1: 修改文件alps/frameworks/base/packages/settingsprovider/src/com/android/providers/settings/DatabaseHelper.java
 
2: 修改Settings.Global.DATA_ROAMING(有些版本是:Settings.Secure.DATA_ROAMING)的值,如下,搜索DATA_ROAMING关键字,修改对应的loadSetting值,一般位于loadSystemSettings()中,可参考如下方法修改:
 
old:
        // Data roaming default, based on build
        loadSetting(stmt, Settings.Global.DATA_ROAMING,
                    "true".equalsIgnoreCase(
                            SystemProperties.get("ro.com.android.dataroaming",
                                    "false")) ? 1 : 0);
new:
        // Data roaming default, based on build
        loadSetting(stmt, Settings.Global.DATA_ROAMING,1);

         
同理,
 
old:
        // Data roaming default, based on build
        loadSetting(stmt, Settings.Global.DATA_ROAMING_2,
                    "true".equalsIgnoreCase(
                            SystemProperties.get("ro.com.android.dataroaming2",
                                    "false")) ? 1 : 0);
new:
        // Data roaming default, based on build
        loadSetting(stmt, Settings.Global.DATA_ROAMING_2,1);
 

 

3:修改setting里UI的默认值
      修改 telephony.java  里 SimInfo 类的
         DATA_ROAMING_DEFAULT = DATA_ROAMING_ENABLE

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