Java tutorial
/* * Copyright (C) 2014 Saravan Pantham * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.aniruddhc.acemusic.player.Dialogs; import android.app.AlertDialog; import android.app.Dialog; import android.content.DialogInterface; import android.database.Cursor; import android.os.Bundle; import android.support.v4.app.DialogFragment; import com.aniruddhc.acemusic.player.R; import com.aniruddhc.acemusic.player.AsyncTasks.AsyncApplyEQToArtistTask; import com.aniruddhc.acemusic.player.DBHelpers.DBAccessHelper; import com.aniruddhc.acemusic.player.EqualizerActivity.EqualizerActivity; import com.aniruddhc.acemusic.player.Utils.Common; public class EQArtistsListDialog extends DialogFragment { private Common mApp; private EqualizerActivity mEqualizerFragment; @Override public Dialog onCreateDialog(Bundle savedInstanceState) { mApp = (Common) getActivity().getApplicationContext(); mEqualizerFragment = (EqualizerActivity) getActivity(); AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); //Get a cursor with the list of all artists. final Cursor cursor = mApp.getDBAccessHelper().getAllArtistsOrderByName(); //Set the dialog title. builder.setTitle(R.string.apply_to); builder.setCursor(cursor, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { cursor.moveToPosition(which); String songArtist = cursor.getString(cursor.getColumnIndex(DBAccessHelper.SONG_ARTIST)); AsyncApplyEQToArtistTask task = new AsyncApplyEQToArtistTask(getActivity(), songArtist, mEqualizerFragment.getFiftyHertzLevel(), mEqualizerFragment.getOneThirtyHertzLevel(), mEqualizerFragment.getThreeTwentyHertzLevel(), mEqualizerFragment.getEightHundredHertzLevel(), mEqualizerFragment.getTwoKilohertzLevel(), mEqualizerFragment.getFiveKilohertzLevel(), mEqualizerFragment.getTwelvePointFiveKilohertzLevel(), (short) mEqualizerFragment.getVirtualizerSeekBar().getProgress(), (short) mEqualizerFragment.getBassBoostSeekBar().getProgress(), (short) mEqualizerFragment.getReverbSpinner().getSelectedItemPosition()); task.execute(new String[] { "" + which }); if (cursor != null) cursor.close(); //Hide the equalizer fragment. getActivity().finish(); } }, DBAccessHelper.SONG_ARTIST); return builder.create(); } }