Zvuk na Androidu

MainActivity.java package com.example.rg; import android.os.Bundle; import android.app.Activity; import android.content.Intent; import android.view.Menu; import android.view.View; public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.activity_main, menu); return true; } public void otvoriMediaPlayer(View view) { Intent intent = new Intent(this, MediaSvirac.class); startActivity(intent); } public void otvoriSoundPool(View view) { Intent intent = new Intent(this, SoundPoolActivity.class); startActivity(intent); } public void quit(View view){ Intent intent = new Intent(Intent.ACTION_MAIN); intent.addCategory(Intent.CATEGORY_HOME); intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); startActivity(intent); } } MediaActivity.java package com.example.rg; import java.io.IOException; import android.media.MediaPlayer; import android.media.MediaPlayer.OnPreparedListener; import android.os.Bundle; import android.app.Activity; import android.util.Log; import android.view.Menu; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.CompoundButton; import android.widget.CompoundButton.OnCheckedChangeListener; import android.widget.SeekBar; import android.widget.ToggleButton; import android.widget.SeekBar.OnSeekBarChangeListener; import android.widget.Spinner; import android.widget.AdapterView.OnItemSelectedListener; public class MediaSvirac extends Activity { private MediaPlayer player; private boolean pauzirano; private boolean stopirano; private String odabranaPjesma; private Spinner spinner; @Override protected void onCreate(Bundle savedInstanceState) { pauzirano = false; stopirano = false; odabranaPjesma = "pjesma1"; super.onCreate(savedInstanceState); setContentView(R.layout.activity_media_player); spinner = (Spinner) findViewById(R.id.spinner2); ArrayAdapter <CharSequence> adapter = ArrayAdapter.createFromResource(this, R.array.popis_pjesama_player, android.R.layout.simple_spinner_item); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinner.setAdapter(adapter); player = MediaPlayer.create(this, getResources().getIdentifier( odabranaPjesma , "raw" , getPackageName())); spinner.setOnItemSelectedListener(new OnItemSelectedListener() { @Override public void onItemSelected(AdapterView arg0, View arg1, int arg2, long arg3) { odabranaPjesma = spinner.getSelectedItem().toString(); } @Override public void onNothingSelected(AdapterView arg0) { // TODO Auto-generated method stub } }); //nastimaj seeker SeekBar seek = (SeekBar) findViewById(R.id.seekBar1); seek.setMax(100); seek.setOnSeekBarChangeListener( new OnSeekBarChangeListener(){ public void onProgressChanged(SeekBar seekBar, int progress,boolean fromUser) { // TODO Auto-generated method stub float glasnoca = (float)progress/(float)100; player.setVolume(glasnoca, glasnoca); } public void onStartTrackingTouch(SeekBar seekBar) { // TODO Auto-generated method stub } public void onStopTrackingTouch(SeekBar seekBar) { // TODO Auto-generated method stub } }); //nastimaj toggle button ToggleButton tb = (ToggleButton) findViewById(R.id.toggleButton1); tb.setOnCheckedChangeListener(new OnCheckedChangeListener() { public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { if(isChecked) { player.setLooping(true); } else { player.setLooping(false); } } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.activity_media_player, menu); return true; } public void playPlayer(View view){ player = MediaPlayer.create(this, getResources().getIdentifier( odabranaPjesma , "raw" , getPackageName())); player.start(); if(pauzirano || stopirano){ pauzirano = false; stopirano = false; } } public void pausePlayer(View view){ if(!pauzirano){ pauzirano = true; player.pause(); } else{ pauzirano = false; player.start(); } } public void stopPlayer(View view){ if(!stopirano){ stopirano = true; player.stop(); player = MediaPlayer.create(this,getResources().getIdentifier( odabranaPjesma , "raw" , getPackageName())); } } } SoundPoolActivity.java package com.example.rg; import android.media.AudioManager; import android.media.MediaPlayer; import android.media.SoundPool; import android.media.SoundPool.OnLoadCompleteListener; import android.os.Bundle; import android.app.Activity; import android.content.Context; import android.util.Log; import android.view.Menu; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.ArrayAdapter; import android.widget.Spinner; public class SoundPoolActivity extends Activity { private SoundPool soundPool; private AudioManager audioManager; public static int id; private boolean pauzirano; private boolean stopirano; private Spinner spinner; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); pauzirano = false; stopirano = false; setContentView(R.layout.activity_sound_pool); spinner = (Spinner) findViewById(R.id.spinner1); ArrayAdapter <CharSequence> adapter = ArrayAdapter.createFromResource(this, R.array.popis_pjesama, android.R.layout.simple_spinner_item); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinner.setAdapter(adapter); //kad je popunjen spinner dodajemo soundpool soundPool = new SoundPool(5, AudioManager.STREAM_MUSIC, 0); audioManager = (AudioManager) getApplicationContext().getSystemService(Context.AUDIO_SERVICE); id = soundPool.load(getApplicationContext(), R.raw.legacy,1); soundPool.setOnLoadCompleteListener(new OnLoadCompleteListener(){ @Override public void onLoadComplete(SoundPool soundPool, int sampleId, int status) { // TODO Auto-generated method stub } }); spinner.setOnItemSelectedListener(new OnItemSelectedListener() { @Override public void onItemSelected(AdapterView arg0, View arg1,int arg2, long arg3) { // TODO Auto-generated method stub String odabranaPjesma = spinner.getSelectedItem().toString(); id = soundPool.load(getApplicationContext(), getResources().getIdentifier( odabranaPjesma , "raw" , getPackageName()),1); } @Override public void onNothingSelected(AdapterView arg0) { // TODO Auto-generated method stub } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.activity_sound_pool, menu); return true; } public void playSound(View view){ soundPool.play(id,1f,1f,0,0,1f); if(pauzirano || stopirano){ pauzirano = false; stopirano = false; } } public void pauseSound(View view){ if(!pauzirano){ pauzirano = true; soundPool.pause(id); } else{ pauzirano = false; soundPool.resume(id); } } public void stopSound(View view){ if(!stopirano){ stopirano = true; soundPool.stop(id); } } }
Link za skidanje Eclipse projekta: Projekt
Link za skidanje .apk datoteke: APK
Projekt radi isključivo u Eclipse radnoj okolini. Apk je moguće pokrenuti na uređajima sa Android operativnim sustavom verzije starije od 2.2.