android open flashlight

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

Copy codeThe Code is as follows: public class HandLightActivity extends Activity implements OnClickListener { Private ToggleButton toggleButton; Private Camera m_Camera; @ Override Protected void onCreate (Bundle savedInstanceState ){ // TODO Auto-generated method stub Super. onCreate (savedInstanceState ); SetContentView (R. layout. handlight ); ToggleButton = (ToggleButton) this. findViewById (R. id. toggleButton1 ); ToggleButton. setOnClickListener (this ); GetWindow (). addFlags (WindowManag

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

Charm Blue 2 where's the flashlight ? As long as in the Charm Blue 2 main screen interface and then we slide the finger down the screen, you can open it, as shown in the following figure. Charm Blue 2 How to open the flashlight? 1, first open the Phantom Blue 2 mob

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"> Android: Id = "@ + ID/

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

( PIXELFORMAT.JPEG); mparameters.setpreviewsize (480); Mparameters.setpicturesize (320, 480); Mcameradevices.setparameters (mparameters); MCAmeradevices.startpreview ();} @Overridepublic void surfacecreated (Surfaceholder holder) {contants.logi ("surfacecreated"); try {mcameradevices = Camera.open (); Mcameradevices.setpreviewdisplay (Mholder);} catch (Exception e) {if (mcameradevices! = null) mcameradevices.release (); mcameradevices = null;}} @Overridepublic void surfacedestroyed (Surfacehold

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

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 Boolean getflashlightenabled (); Void setflash

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

( PIXELFORMAT.JPEG); mparameters.setpreviewsize (480); Mparameters.setpicturesize (320, 480); Mcameradevices.setparameters (mparameters); MCAmeradevices.startpreview ();} @Overridepublic void surfacecreated (Surfaceholder holder) {contants.logi ("surfacecreated"); try {mcameradevices = Camera.open (); Mcameradevices.setpreviewdisplay (Mholder);} catch (Exception e) {if (mcameradevices! = null) mcameradevices.release (); mcameradevices = null;}} @Overridepublic void surfacedestroyed (Surfacehold

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

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

I recently developed a QR code parsing module. Google's open-source project Zxing The Flash function added to Zxing is as follows: In the CameraManager class under the com. xxx. xxx. Zxing. camera package Add code: // OpenLight enables the flashlight. // OffLight is to turn off the flashlight Public void openLight () {if (camera! = Null) {parameter = ca

Recently in the study of Android Development, wrote a flashlight case, share!activity.xmlpackagecom.fq.flashlight;importandroid.app.activity;import Android.app.alertdialog;importandroid.content.dialoginterface;importandroid.hardware.camera;import android.hardware.camera.parameters;importandroid.os.bundle;importandroid.view.view;import android.view.View.OnClickListener;importandroid.widget.Button;importandro

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

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; Import Android.widget.TextView; Import Andro