Android Open Source - camp-food-manager Moto21 Led Flashlight

From Project

License

The source code is released under:

GNU General Public License

If you think the Android project camp-food-manager listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

/*
 * Copyright (C) 2010 Sergej Shafarenka, beworx.com
 */*from w w w  . jav  a 2s  .  c o m*/
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.V4Creations.FSMK.campfoodmanager.flash;

import java.lang.reflect.Field;
import java.lang.reflect.Method;

import android.content.Context;
import android.os.Vibrator;
import android.util.Log;

public class Moto21LedFlashlight implements Flashlight {

  private static final String TAG = "qs.motoled";
  private Object mService;
  
  public boolean isOn(Context context) {
      try {
        Object service = getFlashlightService(context);
        Method getFlashlightEnabled = service.getClass().getMethod("getFlashlightEnabled");
        Boolean res = (Boolean) getFlashlightEnabled.invoke(service);
        return res.booleanValue();
      } catch (Exception e) {
        Log.e(TAG, "cannot get flashlight state", e);
        return false;
      }
  }

  public void setOn(boolean on, Context context) {
      try {
        Object service = getFlashlightService(context);
        Method setFlashlightEnabled = service.getClass().getMethod("setFlashlightEnabled", boolean.class);
        setFlashlightEnabled.invoke(service, on);
      } catch (Exception e) {
        Log.e(TAG, "cannot enable flashlight", e);
      }
  }

    private Object getFlashlightService(Context context) throws Exception {
      Object service = mService;
      if (service == null) {
      Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
      Field f = Class.forName(vibrator.getClass().getName()).getDeclaredField("mService");
      f.setAccessible(true);
      service = mService = f.get(vibrator);
      }
      return mService;
    }

  public boolean isSupported(Context context) {
    setOn(true, context);
    boolean supported = isOn(context);
    setOn(false, context);
    return supported;
  }

  public int getType() {
    return TYPE_MOTO21;
  }

}

Java Source Code List