android screen magnifier app

Confirm that the app needs to keep the screen turned on like a game or video app. The best way to do this is to use flag_keep_screen_on in your activity. (and only in an activity, never in a service or other app component).For example:publicclassmainactivityextendsactivity{@OverrideProtectedvoid onCreate (Bundle savedi

Hello everyone, what I want to talk about today isAndroidHow can a mobile phone dynamically move the screen direction of the mobile phone? Maybe the mobile phone also has this function. When the direction of the mobile phone changes, the screen also changes.AndroidIt is easy to implement in this section.DemoThere is a button on the interface. When a button is clicked, if the

Use a simple drawing app to illustrate Android's graphics-processing class with its own view-defining application.For example, there is an app for users to draw and doodle at their own discretion.It's not so fancy here, it's only available in black and white. But it can change the thickness of the nib.Essentially the eraser here is a white brush, without using the brush's Setxfermode method, to get a bunch

Use Wakelock to keep your Android app awake in the background-Ryan's zone-blog channel-csdn.net In the use of some products GCA, QQ, and so on, if there is a new message, the phone screen even in the lock screen will be lit and prompt sound, then the user will know that there is a new message coming. However, in ge

In Android, ViewPager is used to implement screen page switching and page carousel effects. androidviewpager Previously, I wrote a blog post titled "using ViewFlipper in Android to implement screen switching" about how to implement screen page switching. ViewPager is more su

Connect IPIf the connected to IP is present, the connection to the local machine and emulator is successful, and now CMD is available.Next, leave the virtual machine on one side (if you can, set it up so that the Android system never sleeps, or it will not operate after a while, sleep mode can not wake up, only restart)Open the Unity3d Editor, set the configuration underThe above box red, all need to be set, the editor I use VS, of course you can als

There are two ways to get the screen width of an Android phone: one is to get the screen width through the View method, and the other is to get the screen width through the Display object. Below this article introduces very detailed, interested friends can look at the past, the original address is as follows: http://ww

Implement screen lock in Android Development To lock the screen, you need to introduce the super administrator of the device. Detailed descriptions are provided in the Administration of the Android development document. Android device management system functions and controls

②, set the phone to never lock the screen, or install the Auto Unlock app (script execution to tune the app) ③, Scheduled Tasks for Windows Execute Monkey_findyou.bat 3. Operation Record 1), double-click Execute Monkey_findyou.bat 2), script execution information 3), Ou

General app launch will display a white screen or a black screen page, and then jump to the Welcome page, so that the experience is not good. What the hell is going on here? How do you solve it? Today, let's analyze the cause of it and the solution.1. Cause of productionWhen the system launches an app, the zygote proce

This article is translated from the Android Developers blog Making Beautiful Android App Icons , the original author is +roman Nurik .for the average user, the main screen icon/launcher icon (the general abbreviation app icon) is the first impression that the

at least implement the OnDraw (Android.graphics.Canvas) method.When you add a visible view for a activty and run this activty, Android typically automatically triggers the view's related events in the following orderOnattachedtowindowOnmeasureOnsizechangedOnLayoutOnDrawFor a screen in an Android app, its

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displaymetricsdemo. Java has the following code: Package com. Android. test; Import Android. App. activity;Import Android. OS. Bundle;Import Android. util. displaymetrics;Import Android. View. view;Import

processed, that is, a class that inherits the Appwidgetprovider class Note: The app widget and our application run in different processes (the view in the app widget runs in the home screen process), so you use the two classes of remoteviews and pendingintent to manipulate the controls on the desktop If your ondelete, OnUpdate and other events do

In the Android simulator, the shortcut key "Ctrl + F11/F12" can be used to screen a very simple Activity: package cn.sohu.com; import android. app. activity; import android. OS. bundle; import android. util. log; public class Test

The difference between iOS and Android in app testing :1, Android Long press the home key to call out the app list and switch apps, then right-swipe to terminate the application;2. Multi-resolution test, more than 20 kinds of Android, less iOS;3, mobile phone operating syste

During development, we often need to set our application to full screen. There are two methods: one is to set in the code, and the other is to change it in the configuration file! 1. Set in the Code: Copy codeThe Code is as follows: package com. android. tutor; Import android. app. Activity; Import

Android.app.admin.DevicePolicyManager; Import android.content.Intent Import android.content.SharedPreferences import android.os.Bundle import android.vi ew. View Import android.widget.AdapterView Import android.widget.ArrayAdapter import Android.widget.Button Import Android.widget.EditText Import android.widget.LinearLayout import android.widget.Spinner import android.widget.Te 　　Xtview/** * @Title: Policysetupactivity.java * @Package Com.xiaoma.policymanager.demo * @Description:

of the device may change at run time (such as rotating the screen, the keyboard is visible, the language environment changes, etc.), at which point the OnDestroy () method is called back, and then immediately callback the OnCreate () method, the information previously saved on the interface may disappear.The best solution is to callback the Onsaveinstancestate () and Onrestoreinstancestate () methods (or OnCreate ()). For more information on configur