환경 설정 활동을 사용하여 시스템 볼륨 기능에 문제를 작성할 수 있습니까? 볼륨이 너무 크게 설정되어있는 경우환경 설정 활동 브레인 스톰
처럼은
내가 지금 토스트를 만드는 방법을 알고 "이봐 볼륨이 너무 큽니다"라고 건배를 팝업 것 I 출력에 사용자에게 메시지를 원한다고 I pref 활동에 대해 생각하고 있습니다. 여기에서 아이디어를 시작하십시오. 로그 캣에 대한
import android.content.Context;
import android.media.AudioManager;
import android.os.Bundle;
import android.preference.DialogPreference;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceChangeListener;
import android.preference.PreferenceActivity;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.Toast;
public class volman extends PreferenceActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.dhd);
DialogPreference dp = (DialogPreference) findPreference("mediavolume");
dp.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
public boolean onPreferenceChange(Preference preference,
Object newValue) {
SeekBar volumeBar = (SeekBar) findViewById(R.id.seekBar);
final AudioManager manager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
volumeBar.setMax(manager
.getStreamMaxVolume(AudioManager.STREAM_SYSTEM));
volumeBar.setProgress(manager
.getStreamVolume(AudioManager.STREAM_SYSTEM));
volumeBar
.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
Toast.makeText(volman.this, "Lift off.... StartSpark", Toast.LENGTH_LONG).show();
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
Toast.makeText(volman.this, "Now Stopping", Toast.LENGTH_LONG).show();
}
public void onProgressChanged(SeekBar seekBar,
int progress, boolean fromUser) {
manager.setStreamVolume(
AudioManager.STREAM_SYSTEM, progress,
AudioManager.FLAG_SHOW_UI);
Toast.makeText(volman.this, "Now going quiet", Toast.LENGTH_LONG).show();
}
});
return false;
}
});
}
private DialogPreference findPreference(String string) {
return null;
}
}
그리고 지금 : 보인다
[2012-07-07 15:25:00 - volman4.0] Android Launch!
[2012-07-07 15:25:00 - volman4.0] adb is running normally.
[2012-07-07 15:25:00 - volman4.0] No Launcher activity found!
[2012-07-07 15:25:00 - volman4.0] The launch will only sync the application package on the device!
[2012-07-07 15:25:00 - volman4.0] Performing sync
[2012-07-07 15:25:00 - volman4.0] Automatic Target Mode: using existing emulator 'emulator-5554' running compatible AVD 'ICS'
[2012-07-07 15:25:00 - volman4.0] Uploading volman4.0.apk onto device 'emulator-5554'
[2012-07-07 15:25:00 - volman4.0] Installing volman4.0.apk...
[2012-07-07 15:25:10 - volman4.0] Success!
[2012-07-07 15:25:11 - volman4.0] /volman4.0/bin/volman4.0.apk installed on device
[2012-07-07 15:25:11 - volman4.0] Done!
잠시만 기다려주세요. 질문 입력란에 게시 해 드리겠습니다. –
문제의 코드를 추가했습니다. 뿐만 아니라 LogCat. –