我有兩個按鈕和音頻列表視圖,第一個按鈕我使用LongClick和startActivityForResult方法從MediaPlayer的另一個活動獲取字符串。但我也想使用第二個按鈕。我需要使用startActivityForResult得到另一個字符串另一MediaPlayer的,這裏是我的代碼:startActivityForResult兩次
public class MainActivity extends Activity {
String setData, gotArnswer,s,s1;
MediaPlayer mMediaPlayer;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mMediaPlayer = new MediaPlayer();
Button b1 =(Button) findViewById(R.id.button1);
Button b2 =(Button) findViewById(R.id.button2);
b2.setOnLongClickListener(new View.OnLongClickListener() {
public boolean onLongClick(View arg0) {
// TODO Auto-generated method stub
return false;
}
});
b1.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
try {
if (mMediaPlayer.isPlaying()) {
mMediaPlayer.reset();
}
mMediaPlayer.setDataSource(s); //using string here
mMediaPlayer.prepare();
mMediaPlayer.start();
} catch (Exception e) {
}
}
});
b1.setOnLongClickListener(new View.OnLongClickListener() {
public boolean onLongClick(View v) {
// TODO Auto-generated method stub
Intent i = new Intent(MainActivity.this, Activityone.class);
startActivityForResult(i, 0);
return false;
}
});
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == RESULT_OK){
Bundle basket = data.getExtras();
s = basket.getString("arnswer");
}
}
而且我的ListView onClick()
:
public void onItemClick(AdapterView parent, View v, int position,
long id) {
System.gc();
music_column_index = musiccursor
.getColumnIndexOrThrow(MediaStore.Audio.Media.DATA);
musiccursor.moveToPosition(position);
String filename = musiccursor.getString(music_column_index);
Intent person = new Intent();
Bundle backpack = new Bundle();
backpack.putString("arnswer", filename);
person.putExtras(backpack);
setResult(RESULT_OK, person);
finish();
}
};
你能澄清你的問題是什麼嗎?我不知道你在問什麼,我懷疑我不是唯一一個。 – kabuko
因此,如果我長時間點擊我的第一個按鈕,它將開始活動的結果和listview onClick將發送結果,我得到像s = basket.getString(「arnswer」);但我想要的是如果我sstartActivityForResult與button2從列表視圖獲取字符串,並得到它像s1 = basket.getString(「arnswer」); –