Android Open Source - dttv-android Multi Media Type Util

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License

The source code is released under:

GNU General Public License

Java Source Code

package dttv.app.utils;
/*  w ww  .  ja  va 2 s.c  o  m*/
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

public class MultiMediaTypeUtil {
  Class<?> mMediaFile,mMediaFileType;
  Method getFileTypeMethod, isAudioFileTypeMethod,isVideoFileTypeMethod,isImageFileTypeMethod;
  String methodName = "getBoolean";
  String getFileType = "getFileType";
  String isAudioFileType = "isAudioFileType";
  String isVideoFileType = "isVideoFileType";
  String isImageFileType = "isImageFileType";

  Field fileType;
  
  public void initReflect(){
    try {
      mMediaFile = Class.forName("android.media.MediaFile");
      mMediaFileType = Class.forName("android.media.MediaFile$MediaFileType");
      fileType = mMediaFileType.getField("fileType");
      
      getFileTypeMethod = mMediaFile.getMethod(getFileType, String.class);
      
      isAudioFileTypeMethod = mMediaFile.getMethod(isAudioFileType, int.class);
      isVideoFileTypeMethod = mMediaFile.getMethod(isVideoFileType, int.class);
      isImageFileTypeMethod = mMediaFile.getMethod(isImageFileType, int.class);
      
    } catch (NoSuchMethodException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }catch (NoSuchFieldException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }catch (ClassNotFoundException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
  }
  
  public int getMediaFileType(String path){
    int type = 0;
    try {
      Object obj = getFileTypeMethod.invoke(mMediaFile, path);
      if(obj==null){
        type = -1;
      }else{
        type = fileType.getInt(obj);
      }
    } catch (IllegalAccessException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    } catch (IllegalArgumentException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    } catch (InvocationTargetException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    return type;
  }
  
  public boolean isVideoFile(int fileType){
    boolean isVideoFile = false;
    try {
      isVideoFile = (Boolean)isAudioFileTypeMethod.invoke(mMediaFile, fileType);
    } catch (IllegalAccessException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    } catch (IllegalArgumentException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    } catch (InvocationTargetException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    return isVideoFile;
  }
  
  public boolean isAudioFile(int fileType){
    boolean isAudioFile = false;
    try {
      isAudioFile = (Boolean)isAudioFileTypeMethod.invoke(mMediaFile, fileType);
    } catch (IllegalAccessException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    } catch (IllegalArgumentException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    } catch (InvocationTargetException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    return isAudioFile;
  }
  
  public boolean isImageFile(int fileType){
    boolean isImgeFile = false;
    try {
      isImgeFile = (Boolean)isImageFileTypeMethod.invoke(mMediaFile, fileType);
    } catch (IllegalAccessException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    } catch (IllegalArgumentException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    } catch (InvocationTargetException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    return isImgeFile;
  }
}

Java Source Code List

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