با سلام. یک لیست ویو سفارشی شده درست کردم،میخواهم در آن صوت های متفاوتی را به کار ببرم.با استفاده از چه کدی صوت های متفاوتی را به لیست ویو مقدار دهی کنیم؟
کلاس لیست ویو:
کلاس صوت:
وقتی کلاس صوت را در کلاس لیست ویو نوشتم برنامه has stopped داد.
کلاس لیست ویو:
کد پی‌اچ‌پی:
public class MainActivity extends ListActivity {
public ListView lv;
public String number_of_keys;
public String my_items = {"key_1",
"key_2",
"key_3",
"key_4",
"key_5",
"key_6",
"key_7",
"key_8",
"key_9",
"key_10",
"key_11",
"key_12",
"key_13",
"key_14",
"key_15",
"key_16",
"key_17",
"key_18",
"key_19",
"key_20"
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
setListAdapter(new MyAdapter(this,
android.R.layout.simple_list_item_1,
R.id.textView1,
my_items));
lv = getListView();
lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, final View view,
int position, long id) {
Intent i = new Intent(getApplicationContext(), Sotactivity.class);
number_of_keys = String.valueOf(position+1);
i.putExtra("key_number", number_of_keys);
startActivity(i);
}
});
}
private class MyAdapter extends ArrayAdapter<String>{
public MyAdapter(Context context, int resource, int textViewResourceId,
String strings) {
super(context, resource, textViewResourceId, strings);
// TODO Auto-generated constructor stub
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View row = inflater.inflate(R.layout.list_item, parent, false);
String stringName = "string_key_" + String.valueOf(position+1);
int string_res_ID = getResources().getIdentifier(stringName,"string",getPackageName());
String my_string = getResources().getString(string_res_ID);
TextView tv = (TextView) row.findViewById(R.id.textView1);
tv.setText(my_string);
String imageName = "key_" + String.valueOf(position+1);
int image_res_ID = getResources().getIdentifier(imageName,"drawable",getPackageName());
ImageView iv = (ImageView) row.findViewById(R.id.imageView1);
iv.setImageResource(image_res_ID);
return row;
}
}
}
کلاس صوت:
کد پی‌اچ‌پی:
public class Sotactivity extends Activity implements OnClickListener {
SeekBar seek_bar;
Button play_button, pause_button;
MediaPlayer mediaPlayer;
TextView text_shown;
Handler seekHandler = new Handler();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.sot);
Bundle extras = getIntent().getExtras();
if (extras != null) {
String my_key_number = extras.getString("key_number");
String my_message = "you pressed the item number " + my_key_number + " in ListView";
TextView tv = (TextView) findViewById(R.id.textView1);
tv.setText(my_message);
}
getInit();
seekUpdation();
}
public void getInit() {
seek_bar = (SeekBar) findViewById(R.id.seek_bar);
play_button = (Button) findViewById(R.id.play_button);
pause_button = (Button) findViewById(R.id.pause_button);
text_shown = (TextView) findViewById(R.id.text_shown);
play_button.setOnClickListener(this);
pause_button.setOnClickListener(this);
mediaPlayer = MediaPlayer.create(this, R.raw.asd);
mediaPlayer = MediaPlayer.create(this, R.raw.my_file);
seek_bar.setMax(mediaPlayer.getDuration());
}
Runnable run = new Runnable() {
@Override
public void run() {
seekUpdation();
}
};
public void seekUpdation() {
seek_bar.setProgress(mediaPlayer.getCurrentPosition());
seekHandler.postDelayed(run, 1000);
seek_bar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
@Override
public void onStopTrackingTouch(SeekBar seek_bar) {
// TODO Auto-generated method stub
}
@Override
public void onStartTrackingTouch(SeekBar seek_bar) {
// TODO Auto-generated method stub
}
@Override
public void onProgressChanged(SeekBar seek_bar, int progress, boolean fromUser) {
if(fromUser){
mediaPlayer.seekTo(progress);
seek_bar.setProgress(progress);
}
}
});
}
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.play_button:
text_shown.setText("Playing...");
mediaPlayer.start();
break;
case R.id.pause_button:
mediaPlayer.pause();
text_shown.setText("Paused...");
}
}
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
if(fromUser){
mediaPlayer.seekTo(progress);
seekBar.setProgress(progress);
}
}
@Override
public void onBackPressed() {
mediaPlayer.stop();
finish();
}
وقتی کلاس صوت را در کلاس لیست ویو نوشتم برنامه has stopped داد.
