android change system settings programmatically

The principle of this thing is this: the official Android system does not support the modification of the system default font, all can be modified by the OEM manufacturers to modify the framework layer of code, while integrating a high-privileged pre-installed application services.How to do it?It's really simple: Modify the Android.content.res.Configuration class

While doing iOS development students, using MacOS will find in the Android development environment intact, access to moto,samsung,htc,zte and other mobile phones can be automatically recognized, and can be seen in the Ddms Logcat, but Huawei's mobile phone is not recognized. USB development Debugging is also set, under Windows can be recognized, for what? Don't worry, there are engineering patterns:In the dial-up interface input: *#*#2846579#*#* found

Analysis on Property service settings of the Android Property System There is a registry in the Window, which can store key-value pairs similar to key: value. On the android platform, there is a similar mechanism called Property service for initialization, the adb shell command uses setprop and getprop to set, modify,

= new handler (Looper.getmainlooper ()); maxlight = Getlightness (this);} /** * Set Brightness * * @param context * @param light */void setlight (Activity context, int light) {currentlight = light; Windowmanager.layoutparams locallayoutparams = Context.getwindow (). GetAttributes (); Locallayoutparams.screenbrightness = (light/255.0f); Context.getwindow (). SetAttributes (LocalLayoutParams);} /** * Get Brightness * * @param context * @return */float getlightness (Activity context) {Windowmanage

In base/services/core/java/com/android/server/power/ Add the following to the Getscreenofftimeoutlocked function in the Powermanagerservice.java fileint nosleep = mscreenofftimeoutsetting;SLOG.I (TAG, "nosleep=" +nosleep+ "maximumscreenoff=" +mmaximumscreenofftimeoutfromdeviceadmin);if (Nosleep {Nosleep = Mmaximumscreenofftimeoutfromdeviceadmin;SLOG.I (TAG, "666");Return Math.max (Nosleep, mmaximumscreenofftimeoutfromdeviceadmin);}About the

The example in this article describes how Android programming determines whether a network is available and invokes system setup items. Share to everyone for your reference, specific as follows: Private Boolean Checknetwork () {Boolean flag = false; Connectivitymanager manager = (Connectivitymanager) getsystemservice (Context.connectivity_service); if (manager.getactivenetworkinfo ()!= null) f

Today, a story suddenly mentioned how to clean up data in the system settings. Later, I began to think about whether the cleanup function of the system application would clean up the data.So I started my research. Taking com. mx. browser as an example, the idea is probably to first create a mark file for each file under/data/com.mx.browser, which is 1.txt, then e

Modified an Android app, such as launcher. then, a launcher.apk is compiled separately. How can I put this apk in the simulator to view the effect without building the entire image? The methods found on the Internet are directly adb install. However, after I try it, the system will prompt that the apk already exists and cannot be put in. Is my method wrong or is it simply not available on the Internet? Ask

) { isexit = true; Toast.maketext (Getapplicationcontext (), "Press again to exit the program", Toast.length_short). Show (); Use handler delay to send Change status information mhandler.sendemptymessagedelayed (0, +);} else { finish () } }In this method, I set the bottomlinear.setvisibility (view.visible);Commentlinear.setvisibility (View.gone);Is my own layout

The way to change the font size is to use a activitymanagernative classFirst, before the code declaresPrivate Configuration Mconfig = new configuration ();and set the value in your code to change the font sizeMconfig.fontscale = 0.75f;//feel 1.0fOther than that. You also need to add android:configchanges= "Fontscale" to the Androidmanifest.xml.In the Spreadtrum platform, the preset font sizeExtra Large: 1.3

) {localexception.printstacktrace (); } } /*** Set the current screen brightness value 0--255*/ Private voidSavescreenbrightness (intparamint) { Try{Settings.System.putInt (Getcontentresolver (), Settings.System.SCREEN_BRIGHTNESS, paramint); } Catch(Exception localexception) {localexception.printstacktrace (); } } /*** Save the current screen brightness value and make it effective*/ Private voidSetscreenbrightness (intparamint) {Window Localwindow=GetWindow (); Windowman

All network settings (action_wireless_settings);WIFI settings (action_wifi_settings);3G Flow setting: (Action_data_roaming_settings).Send intent, the system receives and jumps.Overall:startActivity(new Intent(Settings.ACTION_WIRELESS_SETTINGS));Wifi:startActivity(new Intent(Settings.ACTION_WIFI_SETTINGS));Flow:startActivity(new Intent(android.provider.Settings.AC

Why use the FOTA upgrade system? What are the benefits of FOTA service If you agree to the terms of the Fota service, the phone will be registered to the FOTA server to automatically detect new software (firmware) and will notify you when new software is released. In addition, Samsung will automatically send push information in case of an emergency or if the network allows it, so you can easily keep your phone up to date. Samsung

Modified an Android app, such as launcher. then, a launcher.apk is compiled separately. How can I put this apk in the simulator to view the effect without building the entire image? The methods found on the Internet are directly adb install. However, after I try it, the system will prompt that the apk already exists and cannot be put in. Is my method wrong or is it simply not available on the Internet? Ask

For androidChanging the font of the mobile phone system is a must for many users who like to try it.AndroidThe system font is unknown to many users. This document describes how to replace the system Font: 1. Install a software package root Explorer (download: http://www.androidmi.com/xz/xtgj/zenqiang/201003/266.html ), used to view the