how to use flashlight on android

1. As shown in the red box below, we use both hands to note4 the desktop of the mobile phone to close the center of the screen at the same time. 2. You will see a "group" option after you pull it off. 3. Then we click "Set" to open the entry. 4. Then we find the "flashlight" group pieces do not let go, then we drag to the desktop. 5. Click on the desktop "

1. Directly as shown in the image below, use your hands on the phone screen to close the center of the screen at the same time, then we find the "pieces" and then find "set" the right side of the "expand" details as shown in the following figure. 2. Flashlight to the desktop we click on the "Flashlight" group do not let go, and then drag to the desktop, and th

extends Activity {Private Camera camera = null;Private Parameters parameters = null;Private Button open = null;Private Button close = null;Private TextView title = null;@ OverrideProtected void onCreate (Bundle savedInstanceState ){Super. onCreate (savedInstanceState );SetContentView (R. layout. activity_main ); Open = (Button) findViewById (R. id. open );Close = (Button) findViewById (R. id. close );Title = (TextView) findViewById (R. id. title );Title. setText (R. string. title );Open. setTex

personal ability reasons.Advantages: The method used in the flashlight is relatively simple, such as calling the camera Flash code is found on the Internet.disadvantage: The flashlight still has a lot of small functions did not realize, to further improve the improvement, the interface can also be done more beautiful.6. Qa:In the process of writing this light application, I encountered a few interesting qu

Android flashlight Principle I. Principles Currently, the android app store has many flashlight applications. Its core principle is very simple. In fact, it is to use the Camera in android to control the flashing. Now, Let's expla

Different mobile phones use different methods to enable Flash. Here, the Motorola milestone mobile phone is used as an example main. xml: [HTML] View plaincopy Android: layout_width = "fill_parent" Android: layout_height = "fill_parent" Android: Orientation = "vertical">

1. Use ihardwareservice for direct control Android1.5 previously provided this interface directly. Later, we need to do it ourselves. Create a new Android. OS package in your project and create an ihardwareservice. aidl file. The content is as follows: [Java] View plaincopy /** {@ Hide }*/ Interface ihardwareservice { // Obsolete flashlight support Bo

I. Introduction of the principleNow the Android App Store has a lot of flashlight apps. The core principle is very simple, in fact, using the camera-type cameras in Android control the flash lights. OK, next, step-by-step tutorial on how Android controls the Flash.Second, add permissionsWhen using the

Speaking of mobile phone flashlight function, many people are directly call the Flash, and this article to introduce you to the camera function to achieve, there is a need for small partners to refer to. A few days ago this side of a community power, black Ma Ma, a cat broke into the dormitory, frighten me into tears, and then decisively wrote a flashlight, the next power outage, again, I want to frighten

(parameters );M_Camera.startPreview ();ToggleButton. setBackgroundColor (0x30ffffff );}}} Else {If (m_Camera! = Null){M_Camera.stopPreview ();M_Camera.release ();M_Camera = null;}ToggleButton. setBackgroundColor (0 xffffffff );}}} Handlight. xmlCopy codeThe Code is as follows: Android: layout_width = "match_parent"Android: layout_height = "match_parent"Android:

There are two main steps: 1. Enable and disable the flashlight. Camera camera = Camera. open (); Parameters mParameters = camera. getParameters (); mParameters. setFlashMode (Camera. parameters. FLASH_MODE_TORCH); // open Camera. parameters. FLASH_MODE_OFF indicates that camera is disabled. setParameters (mParameters) 2. Customize the flashlight button. The custom control mainly sets the size of the view.

Flashlight source code, but also to solve some of the model is not suitable to ask, I wrote a flashlight demo, just started on individual phones can open the flashlight, Baidu has been many times or did not solve, finally anti-compiled a flashlight code to see the idea, haha, finally solved, now can adapt to the majori

Android phones have a lot of applications for flashlights, but some don't.It was later discovered that the preview was opened in addition to setting the camera device's Flashmode to torch:Here's the code:Mainactivity.javaPackage Com.android.flashlight;import Android.app.activity;import Android.os.bundle;import Android.view.motionevent;import Android.widget.imageview;public class Mainactivity extends Activity{private Flashlightsurface msurface;private

Flashlight function is simple and practical, the following we will study how to make a flashlight small program, beginners can learn the principle through an example, improve the enthusiasm and motivation to learn Android technology.First, let's look at what Android permissions the

Android --- eye lamp and high compatibility flashlight The program has two main functions: Eye lamp and flashlight. However, the solution to the flashlight compatibility is to add exception control to avoid various abnormal occupation and startup failure.The main interface of the program, without beautification, only i

This is a simple use of Android camera development flashlight function, Androidmanifest.xml file entrance is Startapp, this file is not uploaded, you can write. Flashlight.java Package Com.android.app; Import android.app.Activity; Import Android.hardware.Camera; Import Android.hardware.Camera.Parameters; Import Android.os.Bundle; Import Android.view.View; I

Android phones have a lot of applications for flashlights, but some don't.It was later discovered that the preview was opened in addition to setting the camera device's Flashmode to torch:Here's the code:Mainactivity.javaPackage Com.android.flashlight;import Android.app.activity;import Android.os.bundle;import Android.view.motionevent;import Android.widget.imageview;public class Mainactivity extends Activity{private Flashlightsurface msurface;private

1. On the standby page of the Samsung mobile phone, the dropdown screen is opened and the option opens. 2. Then after entering, we click on the left to slide the shortcut icon. 3. Click on "Flashlight", the bright light representative opens. Note: If you want to turn off the flashlight, click on the "Flashlight" again, Gray rep

Here is a simple source code for making a flashlight: 1. xml layout: 2. actity code: Package COM. diecolor; import android. app. activity; import android. hardware. camera; import android. hardware. camera. parameters; import android. OS. bundle; import

Recently, because the company needs to do a flashlight, in fact, the flashlight principle is very simple, is to call the camera flash, control the flash switch, you can achieve the effect of flashlight,Emphasize that it is important to note that the Flash is released at the end of the code, otherwise it will occur when the camera is used--the problem of not conn