Android Open Source - ShakeMusicBar Main Activity

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From Project

Back to project page ShakeMusicBar.

License

The source code is released under:

MIT License

Java Source Code

package ntut.shakemusicbar.demo;
/*from w  w  w  .j  a  va2s .co  m*/
import ntut.shakemusicbar.library.ShakeMusicBarView;
import ntut.shakemusicbar.library.ShakeMusicBarView.OnInitFinishedListener;
import android.app.Activity;
import android.os.Bundle;
import android.util.SparseArray;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;

public class MainActivity extends Activity implements OnClickListener, OnSeekBarChangeListener{
  private static final int MIN_VELOCITY = 100;
  private static final String TEXT_START = "Start";
  ShakeMusicBarView mBarView;
  ShakeMusicBarView mSmallBarView;
  private Button mSwitchBtn;
  private SeekBar mVelocitySeekBar;
  private SeekBar mBarCountSeekBar;
  private SeekBar mBarBetweenInvSeekBar;
  private SparseArray<TextView> mMap;
  private Button mModeSwitchBtn;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    mBarView = (ShakeMusicBarView) findViewById(R.id.shake_view);
  
    mBarView.setOnInitFinishedListener(new OnInitFinishedListener() {
      
      @Override
      public void onInitFinished() {
        mVelocitySeekBar.setProgress((int)mBarView.getVelocity());
        mBarCountSeekBar.setProgress(mBarView.getBarCount());
        mBarBetweenInvSeekBar.setProgress(mBarView.getInvBetweenBars());
        
        updateProgressValue(mVelocitySeekBar);
        updateProgressValue(mBarCountSeekBar);
        updateProgressValue(mBarCountSeekBar);
      }
    });
    
    mBarView.init();
    
    mSwitchBtn = (Button) findViewById(R.id.btn_switch);
    mSwitchBtn.setOnClickListener(this);
    
    mModeSwitchBtn = (Button) findViewById(R.id.btn_mode_switch);
    mModeSwitchBtn.setOnClickListener(this);
    
    mVelocitySeekBar = (SeekBar) findViewById(R.id.bar_velocity);
    mVelocitySeekBar.setOnSeekBarChangeListener(this);
    
    mBarCountSeekBar = (SeekBar) findViewById(R.id.bar_count);
    mBarCountSeekBar.setOnSeekBarChangeListener(this);
    
    mBarBetweenInvSeekBar = (SeekBar) findViewById(R.id.bar_intervals);
    mBarBetweenInvSeekBar.setOnSeekBarChangeListener(this);
    
    mMap = new SparseArray<TextView>();
    mMap.put(R.id.bar_count, (TextView)findViewById(R.id.textview_barcounts));
    mMap.put(R.id.bar_intervals, (TextView)findViewById(R.id.textview_barinvs));
    mMap.put(R.id.bar_velocity, (TextView)findViewById(R.id.textview_velocity));
    
    mSmallBarView = (ShakeMusicBarView) findViewById(R.id.shake_small_view);
    mSmallBarView.init();
  }
  

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
  }


  @Override
  public void onClick(View v) {
    if(v.getId() == R.id.btn_switch){
      if(mSwitchBtn.getText().toString().equals(TEXT_START)){
        mBarView.shake(true);
        mSmallBarView.shake(true);
        mSwitchBtn.setText("Stop");
      }else{
        mBarView.shake(false);
        mBarView.stopToHeight(5.0f);
        
        mSmallBarView.shake(false);
        mSmallBarView.stopToHeight(5.0f);
        mSwitchBtn.setText(TEXT_START);
      }
    }else if(v.getId() == R.id.btn_mode_switch){
      if(mModeSwitchBtn.getText().toString().equals("ColorMode")){
        mBarView.changeDrawable(R.drawable.rectangle_background);
        mSmallBarView.changeDrawable(R.drawable.rectangle_background);
        mModeSwitchBtn.setText("BackgroundMode");
      }else{
        mBarView.changeColor(mBarView.getColor());
        mSmallBarView.changeColor(mSmallBarView.getColor());
        mModeSwitchBtn.setText("ColorMode");
      }
    }
    
    
  }


  @Override
  public void onProgressChanged(SeekBar seekBar, int progress,
      boolean fromUser) {
    updateProgressValue(seekBar);
  }


  private void updateProgressValue(SeekBar seekBar) {
    int progress = seekBar.getProgress();
    TextView textview = mMap.get(seekBar.getId());
    String tag = textview.getTag().toString();
    String s= String.format(tag,progress);  
    textview.setText(s);
  }


  @Override
  public void onStartTrackingTouch(SeekBar seekBar) {
    
  }


  @Override
  public void onStopTrackingTouch(SeekBar seekBar) {
    int progress = seekBar.getProgress();
    if(seekBar.getId() == R.id.bar_velocity){
      if(progress == 0){
        progress = progress + MIN_VELOCITY;
      }
      mBarView.setVelocity(progress);
      mSmallBarView.setVelocity(progress);
    }else if(seekBar.getId() == R.id.bar_count){
      if(progress == 0){
        progress = progress + 1;
      }
      mBarView.changeBarCount(progress);
      mSmallBarView.changeBarCount(progress);
    }else if(seekBar.getId() == R.id.bar_intervals){
      if(progress == 0){
        progress = progress + 1;
      }
      mBarView.changeInvBetweenBars(progress);
      mSmallBarView.changeInvBetweenBars(progress);
    }
  }


}

Java Source Code List

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