android 闹钟选择SD卡音乐铃声

package com.cn.android.daming; import android.content.Intent; import android.content.SharedPreferences; import android.media.Ringtone; import android.media.RingtoneManager; import android.net.Uri; import android.os.Bundle; import android.preference.Preference; import android.preference.PreferenceActivity; import android.preference.PreferenceManager; import android.preference.PreferenceScreen; public class SoundSettingMainActivity extends PreferenceActivity { private static final int SMS_RINGTONE_PICKED = 1; private static final int PHONE_RINGTONE_PICKED = 2; private static final int ALARM_RINGTONE_PICKED = 3; private static final int SDCARD_RINGTONE_PICKED = 4; public static final String NOTIFICATION_RINGTONE = "pref_notification_ringtone"; public static final String NOTIFICATION_RINGTONE_TITLE_NAME = "pref_notification_ringtone_name"; public static final String PHONE_RINGTONE = "pref_phone_ringtone"; public static final String PHONE_RINGTONE_TITLE_NAME = "pref_phone_ringtone_title_name"; public static final String ALARM_RINGTONE = "pref_alarm_ringtone"; public static final String ALARM_RINGTONE_TITLE_NAME = "pref_alarm_ringtone_title_name"; public static final String SDCARD_RINGTONE = "pref_sdcard_ringtone"; public static final String SDCARD_RINGTONE_TITLE_NAME = "pref_sdcard_ringtone_title_name"; private String notificationStr; private String phoneStr; private String alarmStr; private String sdcardStr; private Preference mMmsSoundsPref; private Preference mPhoneSoundsPref; private Preference mAlarmSoundsPref; private Preference mSdcardSoundsPref; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); addPreferencesFromResource(R.xml.preferences); setMessagePreferences(); setDefaultPreferences(); } private void setMessagePreferences() { mMmsSoundsPref = findPreference("pref_sms_ringtone"); mPhoneSoundsPref = findPreference("pref_phone_ringtone"); mAlarmSoundsPref = findPreference("pref_alarm_ringtone"); mSdcardSoundsPref = findPreference("pref_sdcard_ringtone"); } private void setDefaultPreferences(){ SharedPreferences innersharedPreferences = PreferenceManager.getDefaultSharedPreferences(SoundSettingMainActivity.this); String notificationRingtoneTitleName = innersharedPreferences.getString(NOTIFICATION_RINGTONE_TITLE_NAME, null); if(notificationRingtoneTitleName!=null){ mMmsSoundsPref.setSummary(notificationRingtoneTitleName); }else{ mMmsSoundsPref.setSummary(getString(R.string.pref_summary_notification_ringtone)); } String phoneRingtoneTitleName = innersharedPreferences.getString(PHONE_RINGTONE_TITLE_NAME, null); if(phoneRingtoneTitleName!=null){ mPhoneSoundsPref.setSummary(phoneRingtoneTitleName); }else{ mPhoneSoundsPref.setSummary(getString(R.string.pref_summary_phone_ringtone)); } String alarmRingtoneTitleName = innersharedPreferences.getString(ALARM_RINGTONE_TITLE_NAME, null); if(alarmRingtoneTitleName!=null){ mAlarmSoundsPref.setSummary(alarmRingtoneTitleName); }else{ mAlarmSoundsPref.setSummary(getString(R.string.pref_summary_alarm_ringtone)); } String sdcardRingtoneTitleName = innersharedPreferences.getString(SDCARD_RINGTONE_TITLE_NAME, null); if(sdcardRingtoneTitleName!=null){ mSdcardSoundsPref.setSummary(sdcardRingtoneTitleName); }else{ mSdcardSoundsPref.setSummary(getString(R.string.pref_summary_sdcard_ringtone)); } } @Override public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { if (preference == mMmsSoundsPref){ doPickSmsRingtone(); } else if(preference == mPhoneSoundsPref){ doPickPhoneRingtone(); } else if(preference == mAlarmSoundsPref){ doPickAlarmRingtone(); } else if(preference == mSdcardSoundsPref){ doPickSdcardRingtone(); } return super.onPreferenceTreeClick(preferenceScreen, preference); } private void doPickSmsRingtone(){ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); notificationStr = sharedPreferences.getString(NOTIFICATION_RINGTONE, null); Intent intent = new Intent(RingtoneManager.ACTION_RINGTONE_PICKER); // Allow user to pick 'Default' intent.putExtra(RingtoneManager.EXTRA_RINGTONE_SHOW_DEFAULT, true); // Show only ringtones intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TYPE, RingtoneManager.TYPE_NOTIFICATION); //set the default Notification value intent.putExtra(RingtoneManager.EXTRA_RINGTONE_DEFAULT_URI, RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)); // Don't show 'Silent' intent.putExtra(RingtoneManager.EXTRA_RINGTONE_SHOW_SILENT, true); Uri notificationUri; if (notificationStr != null) { notificationUri = Uri.parse(notificationStr); // Put checkmark next to the current ringtone for this contact intent.putExtra(RingtoneManager.EXTRA_RINGTONE_EXISTING_URI, notificationUri); } else { // Otherwise pick default ringtone Uri so that something is selected. notificationUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION); // Put checkmark next to the current ringtone for this contact intent.putExtra(RingtoneManager.EXTRA_RINGTONE_EXISTING_URI, notificationUri); } // Launch! startActivityForResult(intent, SMS_RINGTONE_PICKED); } private void doPickPhoneRingtone(){ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); phoneStr = sharedPreferences.getString(PHONE_RINGTONE, null); Intent intent = new Intent(RingtoneManager.ACTION_RINGTONE_PICKER); // Allow user to pick 'Default' intent.putExtra(RingtoneManager.EXTRA_RINGTONE_SHOW_DEFAULT, true); // Show only ringtones intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TYPE, RingtoneManager.TYPE_RINGTONE); //set the default Notification value intent.putExtra(RingtoneManager.EXTRA_RINGTONE_DEFAULT_URI, RingtoneManager.getDefaultUri(RingtoneManager.TYPE_RINGTONE)); // Don't show 'Silent' intent.putExtra(RingtoneManager.EXTRA_RINGTONE_SHOW_SILENT, true); Uri phoneUri; if (phoneStr != null) { phoneUri = Uri.parse(phoneStr); // Put checkmark next to the current ringtone for this contact intent.putExtra(RingtoneManager.EXTRA_RINGTONE_EXISTING_URI, phoneUri); } else { // Otherwise pick default ringtone Uri so that something is selected. phoneUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_RINGTONE); // Put checkmark next to the current ringtone for this contact intent.putExtra(RingtoneManager.EXTRA_RINGTONE_EXISTING_URI, phoneUri); } startActivityForResult(intent, PHONE_RINGTONE_PICKED); } private void doPickAlarmRingtone(){ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);