Android Open Source - unmp Main Activity

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License

The source code is released under:
MIT License
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Java Source Code

package com.parnswir.unmp;
/*from   w  w  w . j  a  v a2 s . c  o m*/
import java.util.Observable;
import java.util.Observer;

import org.jaudiotagger.tag.TagOptionSingleton;

import android.app.ActionBar;
import android.content.Intent;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.os.Handler;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.ProgressBar;
import android.widget.RelativeLayout;
import android.widget.TextView;

import com.parnswir.unmp.core.DatabaseUtils;
import com.parnswir.unmp.core.ProjectResources;

public class MainActivity extends DrawerActivity implements Observer {
  
  public static SQLiteDatabase DB;
  
  
  @Override
    protected void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);
        DB = DatabaseUtils.getDB(this);
    TagOptionSingleton.getInstance().setAndroid(true);
    }
  
  
  @Override
  protected void onStart() {
    super.onStart();
    showPlayerHome();
  }
  
  
  @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        boolean drawerOpen = state.mDrawerLayout.isDrawerOpen(state.mDrawer);
        menu.findItem(R.id.action_search).setVisible(!drawerOpen);
        return super.onPrepareOptionsMenu(menu);
  }
  
  
  private void showPlayerHome() {
    selectItem(0);
  }
  
  
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
      MenuInflater inflater = getMenuInflater();
      inflater.inflate(R.menu.main, menu);
      return super.onCreateOptionsMenu(menu);
  }
  
  
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    if (state.mDrawerToggle.onOptionsItemSelected(item)) {
            return true;
      }
    switch (item.getItemId()) {
      case R.id.action_search: return true;
          default:
              return super.onOptionsItemSelected(item);
      }
  }
  
  
  public void startActivityNamed(Class<?> className) {
    Intent intent = new Intent(this, className);
    startActivity(intent);
  }
  
  
  public void onClickCover(View view) {
    ActionBar actionBar = getActionBar();
    setOverlayVisibilityTo(!actionBar.isShowing());  
  }
  
  
  public void setOverlayVisibilityTo(Boolean v) {
    ActionBar actionBar = getActionBar();
    RelativeLayout overlay = (RelativeLayout) findViewById(R.id.coverOverlay);
    if (!v) {
      actionBar.hide();
      overlay.setVisibility(View.INVISIBLE);
    } else  {
      actionBar.show();
      overlay.setVisibility(View.VISIBLE);
    }
  }


  @Override
  public void update(Observable observable, final Object data) {
    runOnUiThread(new Runnable() {
          public void run()
          {
            View libraryProgress = findViewById(R.id.library_progress);
            View drawerProgress = findViewById(R.id.drawer_progress);
            
            ProjectResources.ProgressItem cast = (ProjectResources.ProgressItem) data;
            TextView tv = (TextView) findViewById(R.id.tvCurrentFolder);
          if (tv != null) {
            tv.setText(cast.text);
            libraryProgress.setVisibility(View.VISIBLE);
          }
          
          int percentDone = 100;
          if (cast.count > 0) {
            percentDone = Math.round(100 / cast.count * cast.value);
          }
          
          ProgressBar pb = (ProgressBar) findViewById(R.id.pbCurrentFolder);
          pb.setIndeterminate(cast.count == -1);
          pb.setMax(100);
          pb.setProgress(percentDone);
          
          tv = (TextView) findViewById(R.id.tvUpdatingLibrary);
          tv.setText(String.format(getString(R.string.updatingLibrary) + " (%d%%)", percentDone));
          drawerProgress.setVisibility(View.VISIBLE);
          
          if (cast.value == cast.count) hideProgress();
          }
      });
  }
  
  
  private void hideProgress() {
    final View drawerProgress = findViewById(R.id.drawer_progress);
    final View libraryProgress = findViewById(R.id.library_progress);
    
    Handler handler = new Handler();
    handler.postDelayed(new Runnable() {
        @Override
        public void run() {
            drawerProgress.setVisibility(View.INVISIBLE);
            if (libraryProgress != null) libraryProgress.setVisibility(View.INVISIBLE);
        }
    }, 5000);
  }
  
}
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