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Android development ----------- improved flashlight version, android -----------
Based on the previous
Add a drawable/local_me.xml file under the res folder.
Localme_cmc
Main Program:
Package com. example. handlightactivity; import android. app. activity; import android
Android determines whether the current device is a mobile phone or tablet or an android tablet.
Android development needs to adapt to mobile phones and tablets. In some cases, it is necessary to determine whether the device is a mobile phone or tablet.On the Internet, it is
The flashlight light developed on Android platform1. Demand Analysis:In modern society, the function of mobile phones is more and more perfect, flashlight is an essential one of these functions. When walking on the Dark Road, when you are in a dark place to find items, when you are in a power outage at home, if your phone has a
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 explain how
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
Different mobile phones use different methods to enable Flash. Here, the Motorola milestone mobile phone is used as an example main. xml:
[HTML]
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Android: layout_width = "fill_parent"
Android: layout_height = "fill_parent"
Android: Orientation = "vertical">
Android: Id = "@ + ID/Open"
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
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]
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/** {@ 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
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
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
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
Layout strategy of tablet computer
Using fragmentation and multiple pane views
The building blocks of the honeycomb design are "fragments." Fragmentation is the layout component of a self-contained system that can change its size and placement depending on the direction and size of the screen. A further solution to design this problem for a variety of size skins is to give designers and developers a way to make their screen layout components flexibl
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
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 it.
I saw a lot of people are directly call the flash, in fact, most of the models are not supported, I this is to use the camera function to achieve, most of the models are supported.
Mainactivity.class
public class Mainactivity extends fragm
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