Android 6.0 默认关闭定位和GPS，开启后默认选省电

默认关闭定位和gps 修改位置

frameworks/base/packages/settingsprovider/res/values/defaults.xml

<string name="def_location_providers_allowed" translatable="false">network,gps</string>
修改为
<string name="def_location_providers_allowed" translatable="false"></string>

默认省电 修改位置

com/android/settings/location/locationsettings.java

public class locationsettings extends locationsettingsbase
 @override
 public void onswitchchanged(switch switchview, boolean ischecked) {
     if (ischecked) {
     //setlocationmode(android.provider.settings.secure.location_mode_high_accuracy);   
         setlocationmode(android.provider.settings.secure.location_mode_battery_saving);
     } else {
         setlocationmode(android.provider.settings.secure.location_mode_off);
     }