cqm1990的专栏

最近做手机设置遇到了（Ubuntu 下）The connection to adb is down, and a severe error has occured由于一直无法识别android 4.2 ，昨晚升级了adb ，今天出现了The connection to adb is down, and a severe error has occured该问题。解决办法是给adb 添加权限

if (!isGPSEnable()) { ContentResolver resolver = mContext.getContentResolver(); Settings.Secure.setLocationProviderEnabled(resolver, LocationManager.GPS_PROVIDER, true); }此处 若正常 编译是不通过的 因为前提条件:root为了解

最近开发一个工具，需要跳转到系统NFC设置。

mAppPromotion = findPreference(PREF_KEY_APP_PROMOTION);this.getPreferenceScreen().removePreference(mAppPromotion);隐藏某一项Preference。

try{ Object service = context.getSystemService("statusbar"); Class statusBarManager = Class.forName("android.app.StatusBarManager"); Method expand = status

LayoutInflater inflater=LayoutInflater.from(DeviceSettings.this); View view=inflater.inflate(R.layout.activity_no_devices, null); listView.addHeaderView(view, null,false);