Android Open Source - Musicdroid Piano Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Musicdroid: An on-device music generator for Android
 * Copyright (C) 2010-2014 The Catrobat Team
 * (<http://developer.catrobat.org/credits>)
 *//from   w  ww .  jav a2  s. co  m
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * An additional term exception under section 7 of the GNU Affero
 * General Public License, version 3, is available at
 * http://developer.catrobat.org/license_additional_term
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.catrobat.musicdroid.pocketmusic.instrument.piano;

import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.HorizontalScrollView;

import org.catrobat.musicdroid.pocketmusic.R;
import org.catrobat.musicdroid.pocketmusic.instrument.InstrumentActivity;
import org.catrobat.musicdroid.pocketmusic.instrument.noteSheet.NoteSheetViewFragment;
import org.catrobat.musicdroid.pocketmusic.note.MusicalInstrument;
import org.catrobat.musicdroid.pocketmusic.note.MusicalKey;

public class PianoActivity extends InstrumentActivity {

    private PianoViewFragment pianoViewFragment;
    private NoteSheetViewFragment noteSheetViewFragment;

    public PianoActivity() {
        super(MusicalKey.VIOLIN, MusicalInstrument.ACOUSTIC_GRAND_PIANO);
    }

    public PianoViewFragment getPianoViewFragment() {
        return pianoViewFragment;
    }

    public NoteSheetViewFragment getNoteSheetViewFragment() {
        return noteSheetViewFragment;
    }

    public String getTrackSizeString(){
        return noteSheetViewFragment.getTrackSizeTextViewText();
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_piano);
        noteSheetViewFragment = new NoteSheetViewFragment();
        pianoViewFragment = new PianoViewFragment();

        if (savedInstanceState != null) {
            getFragmentManager().beginTransaction().replace(R.id.container, noteSheetViewFragment).commit();
            getFragmentManager().beginTransaction().replace(R.id.container, pianoViewFragment).commit();
        } else {
            getFragmentManager().beginTransaction().add(R.id.container, noteSheetViewFragment).commit();
            getFragmentManager().beginTransaction().add(R.id.container, pianoViewFragment).commit();
        }
    }

    @Override
    protected void onStart() {
        super.onStart();
        noteSheetViewFragment.redraw(getTrack());

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.piano, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        return super.onOptionsItemSelected(item);
    }

    // TODO fw add test for this?!
    @Override
    protected void redraw() {
        noteSheetViewFragment.redraw(getTrack());
    }


    public void scrollNoteSheet() {
        if (noteSheetViewFragment.checkForScrollAndRecalculateWidth()) {
            HorizontalScrollView hv = (HorizontalScrollView) findViewById(R.id.scroll_note_sheet_view);
            hv.fullScroll(HorizontalScrollView.FOCUS_RIGHT);
        }
    }
}

Java Source Code List

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