Android Open Source - PlayTunes Track Progress Fragment

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License

The source code is released under:

Copyright (c) 2014, Impeccable Labs, LLC. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions ar...

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Java Source Code

package com.ideabag.playtunes.fragment;
//from w w w . j  av  a2  s. c  o m
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;

import com.ideabag.playtunes.R;
import com.ideabag.playtunes.activity.NowPlayingActivity;

public class TrackProgressFragment extends Fragment {
  
  private static final int ONE_SECOND_IN_MILLI = 1000;
  
  private NowPlayingActivity mActivity;
  
  private SeekBar mBar;
  
  private Handler handle;
  
  private boolean isPlaying = false;
  
  TextView mPlayLength, mPlayPosition;
  
  int mPlayLengthMilli, mPlayPositionMilli;
  
  @Override public void onAttach( Activity activity ) {
    
    super.onAttach( activity );
    
    mActivity = ( NowPlayingActivity ) activity;
    
    handle = new Handler();
    
  }
  
  @Override public void onActivityCreated( Bundle savedInstanceState ) {
    super.onActivityCreated( savedInstanceState );
    
    mBar = ( SeekBar ) getView().findViewById( R.id.TrackProgressBar );
    
    mPlayLength = ( TextView ) getView().findViewById( R.id.TrackProgressPlayLength );
    mPlayPosition = ( TextView ) getView().findViewById( R.id.TrackProgressPlayPosition );
    
    mBar.setOnSeekBarChangeListener( mSeekBarChangedListener );
    
  }
  
  @Override public View onCreateView( LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState ) {
    
    return inflater.inflate( R.layout.fragment_track_progress, container, false );
    
  }
  
  @Override public void onResume() {
    super.onResume();
    startProgress();
    
  }
    
  @Override public void onPause() {
    super.onPause();
    
    stopProgress();
    
  }
  
  
  private OnSeekBarChangeListener mSeekBarChangedListener = new OnSeekBarChangeListener() {

    @Override
    public void onProgressChanged( SeekBar seekmBar, int progress, boolean fromUser) {
      
      if ( fromUser ) {
        
        stopProgress();
        
        setProgress( progress );
        
        mActivity.mBoundService.setSeekPosition( progress );
        
      }
      
      
      
    }

    @Override
    public void onStartTrackingTouch(SeekBar seekmBar) {
      
      stopProgress();
      
    }

    @Override
    public void onStopTrackingTouch(SeekBar seekmBar) {
      
      if ( isPlaying ) {
        
        startProgress();
        
      }
      
    }
    
  };
  
  private final Runnable mUpdateTimer = new Runnable() {

    @Override public void run() {
      
      
      //android.util.Log.i("mBar Progress",  "" + mBar.getProgress() );
      
      mPlayPositionMilli += ONE_SECOND_IN_MILLI;
      
      setProgress( mPlayPositionMilli );
      
      handle.postDelayed( mUpdateTimer, ONE_SECOND_IN_MILLI );
      
    }
    
    
    
  };
  
  //private 
  public void startProgress() {
    
    stopProgress();
    handle.postDelayed( mUpdateTimer, ONE_SECOND_IN_MILLI );
    //handle.postDelayed( mUpdateTimer, ONE_SECOND_IN_MILLI );
    
    
  }
  
  public void stopProgress() {
    
    handle.removeCallbacks( mUpdateTimer );
    
  }
  
  public void setProgress( int progress ) {
    
    stopProgress();
    
    mPlayPositionMilli = progress;
    
    mBar.setProgress( mPlayPositionMilli );
    
    int seconds = progress / ONE_SECOND_IN_MILLI;
    int minutes = seconds / 60;
    seconds = seconds % 60;
    
    mPlayPosition.setText( minutes + ":" + ( seconds < 10 ? "0" + seconds : seconds ) );
    
    if ( isPlaying ) {
      
      startProgress();
      
    }
    
  }
  
  public void setDuration( int duration ) {
    
    mPlayLengthMilli = duration;
    
    mBar.setMax( mPlayLengthMilli );
    
    int seconds = duration / ONE_SECOND_IN_MILLI;
    int minutes = seconds / 60;
    seconds = seconds % 60;
    
    mPlayLength.setText( minutes + ":" + ( seconds < 10 ? "0" + seconds : seconds ) );
    
  }
  
}

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