410
穀歌
android平台手電筒開發源代碼
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/**
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*
name : 手電筒主界麵
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*
author : ycgpp@126.com
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*
date : 2012-12-21 15:50:17
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*/
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package com.android.app;
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import android.app.Activity;
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import android.hardware.Camera;
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import android.hardware.Camera.Parameters;
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import android.os.Bundle;
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import android.view.View;
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import android.widget.TextView;
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import android.widget.Toast;
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public class Main extends Activity
{
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private boolean isopent
= false;
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private Camera
camera;
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@Override
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protected void onCreate(Bundle
savedInstanceState) {
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//
TODO Auto-generated method stub
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super.onCreate(savedInstanceState);
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View
view = View.inflate(this,
R.layout.main, null);
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setContentView(view);
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TextView
img_but = (TextView) findViewById(R.id.main_img);
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img_but.setOnClickListener(new View.OnClickListener()
{
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@Override
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public void onClick(View
v) {
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//
TODO Auto-generated method stub
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if (!isopent)
{
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Toast.makeText(getApplicationContext(), "您已經打開了手電筒", 0)
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.show();
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camera
= Camera.open();
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Parameters
params = camera.getParameters();
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params.setFlashMode(Parameters.FLASH_MODE_TORCH);
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camera.setParameters(params);
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camera.startPreview(); //
開始亮燈
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isopent
= true;
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} else {
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Toast.makeText(getApplicationContext(), "關閉了手電筒",
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Toast.LENGTH_SHORT).show();
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camera.stopPreview(); //
關掉亮燈
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camera.release(); //
關掉照相機
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isopent
= false;
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}
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}
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});
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}
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}
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[代碼] 布局文件代碼
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<?xml
version="1.0" encoding="utf-8"?>
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<LinearLayout
xmlns:android="https://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:orientation="vertical" >
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<TextView
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android:id="@+id/main_img"
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android:layout_width="fill_parent"
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android:layout_height="fill_parent"
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android:background="@drawable/main_body">
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</TextView>
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</LinearLayout>
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[代碼] AndroidManifest.xml文件
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<manifest
xmlns:android="https://schemas.android.com/apk/res/android"
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package="com.android.app"
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android:versionCode="1"
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android:versionName="1.0" >
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<uses-sdk
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android:minSdkVersion="8"
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android:targetSdkVersion="15" />
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<application
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android:icon="@drawable/ic_launcher"
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android:label="@string/app_name"
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android:theme="@style/AppTheme" >
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<activity
android:name=".AppStart" >
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<intent-filter>
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<action
android:name="android.intent.action.MAIN" />
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<category
android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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<activity
android:name=".Main" >
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</activity>
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</application>
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<!--
攝像頭、手電筒 -->
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<uses-permission
android:name="android.permission.CAMERA" />
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<uses-permission
android:name="android.permission.FLASHLIGHT" />
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<uses-feature
android:name="android.hardware.camera" />
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<uses-feature
android:name="android.hardware.camera.autofocus" />
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<uses-feature
android:name="android.hardware.camera.flash" />
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</manifest>
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最後更新：2017-04-03 22:15:47