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【Java】无广告手电筒

作者:程序猿ZSJ / 发布于2015/1/4/ 484


	package com.anjoyo.flashlight.demo;
	
	import android.app.Activity;
	import android.content.Context;
	import android.hardware.Camera;
	import android.hardware.Camera.Parameters;
	import android.os.Bundle;
	import android.text.TextUtils;
	import android.view.View;
	import android.widget.CompoundButton;
	import android.widget.CompoundButton.OnCheckedChangeListener;
	import android.widget.ToggleButton;
	/**
	* name : 无广告手电筒
	* author ：张书江
	*/
	public class MainActivity extends Activity {
	
	 private boolean isopent = false;
	 private View layout;
	 private Camera camera;
	 ToggleButton toggle_button;
	
	 @Override
	 protected void onCreate(Bundle savedInstanceState) {
	 super.onCreate(savedInstanceState);
	 setContentView(R.layout.activity_main);
	 initViews();//初始化控件
	 initClick();//初始化监听器
	
	
	 }
	 /**初始化监听器**/
	 private void initClick() {
	
	 toggle_button = (ToggleButton) findViewById(R.id.toggle_button);
	 toggle_button.setOnClickListener(new View.OnClickListener() {
	 @Override
	 public void onClick(View v) {
	 if (!isopent) {
	 camera = Camera.open();
	 Parameters params = camera.getParameters();
	 params.setFlashMode(Parameters.FLASH_MODE_TORCH);
	 camera.setParameters(params);
	 camera.startPreview(); // 开始亮灯
	 isopent = true;
	 } else {
	 camera.stopPreview(); // 关掉亮灯
	 camera.release(); // 关掉照相机
	 isopent = false;
	 }
	 }
	 });
	 }
	 /**初始化控件**/
	 private void initViews() {
	 toggle_button = (ToggleButton) findViewById(R.id.toggle_button);
	 toggle_button.setOnCheckedChangeListener(mListener);
	 layout = findViewById(R.id.linearLayout);
	 }
	 /**开启闪光灯按钮的监听器**/
	 private OnCheckedChangeListener mListener = new OnCheckedChangeListener() {
	 @Override
	 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
	 toggle_button.setBackgroundResource(isChecked? R.drawable.img_background_checkedtextview_effect_boost_limit_pressed: R.drawable.img_background_checkedtextview_effect_boost_limit_normal);
	 layout.setBackgroundResource(isChecked? R.drawable.light_bg:R.drawable.main_bg);
	 }
	 };
	
	
	
	
	}

	

	

	布局文件.XML

	<?xml version="1.0" encoding="utf-8"?>
	<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
	 android:id="@+id/linearLayout"
	 android:layout_width="match_parent"
	 android:layout_height="match_parent"
	 android:background="@drawable/main_bg"
	 android:gravity="center"
	 android:orientation="vertical" >
	
	 <ToggleButton
	 android:id="@+id/toggle_button"
	 android:layout_width="wrap_content"
	 android:layout_height="wrap_content"
	 android:background="@drawable/selected_bg" />
	
	</LinearLayout>

	

	背景选择器selected_bg

	<?xml version="1.0" encoding="utf-8"?>
	<selector xmlns:android="http://schemas.android.com/apk/res/android">
	
	 <item android:drawable="@drawable/img_background_checkedtextview_effect_boost_limit_pressed" android:state_pressed="true"></item>
	 <item android:drawable="@drawable/img_background_checkedtextview_effect_boost_limit_normal" android:state_pressed="false"></item>
	
	</selector>

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　无广告　　手电筒　

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