手机中folder title汽车folder是什么意思思

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blogTitle:'智能手机的文件详解',
blogAbstract:'
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{list wl as x}{/list}android 开发 手机铃声设置_百度知道
android 开发 手机铃声设置
android开发中设置手机铃声是能过RingtoneManager铃声管理器来设置的。具体实现代码:package rocka.media.import java.io.Fimport android.app.Aimport android.content.Iimport android.media.RingtoneMimport android.net.Uimport android.os.Bimport android.view.Vimport android.view.View.OnClickLimport android.widget.Bpublic class Media_RingTongActivity extends Activity {//定义三个按钮private Button mRingtongBprivate Button mAlarmBprivate Button mNotificationB//定义类型private static final int RingtongButton=0;private static final int AlarmButton=1;private static final int NotificationButton=2;//铃声文件夹private String strRingtongFolder=&/sdcard/media/ringtones&;private String strAlarmFolder=&/sdcard/media/alarms&;private String strNotificationFolder=&/sdcard/media/notifications&;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mRingtongButton=(Button)findViewById(R.id.myRingtongButton);
mRingtongButton.setOnClickListener(new myRingtongButtonListener());
mAlarmButton=(Button)findViewById(R.id.myAlarmButton);
mAlarmButton.setOnClickListener(new myAlarmButtonListener());
mNotificationButton=(Button)findViewById(R.id.myNotificationButton);
mNotificationButton.setOnClickListener(new myNotificationButtonListener());
//设置来电铃声监听器
private class myRingtongButtonListener implements OnClickListener{@Overridepublic void onClick(View v) {if(isFolder(strRingtongFolder)){//打开系统铃声设置Intent intent=new Intent(RingtoneManager.ACTION_RINGTONE_PICKER);intent.putExtra(RingtoneManager.EXTRA_RINGTONE_PICKED_URI, true);//类型为来电ringtongintent.putExtra(RingtoneManager.EXTRA_RINGTONE_TYPE, RingtoneManager.TYPE_RINGTONE);//设置显示的题目intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TITLE, &设置来电的铃声&);//当设置完成之后返回到当前的activitystartActivityForResult(intent, RingtongButton);}}
//设置闹钟铃声监听器
private class myAlarmButtonListener implements OnClickListener{
public void onClick(View v) {
if(isFolder(strAlarmFolder)){
Intent intent=new Intent(RingtoneManager.ACTION_RINGTONE_PICKER);
intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TYPE, RingtoneManager.TYPE_ALARM);
intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TITLE, &设置闹铃铃声&);
startActivityForResult(intent, AlarmButton);
//设置通知铃声监听器
private class myNotificationButtonListener implements OnClickListener{
public void onClick(View v) {
if(isFolder(strNotificationFolder)){
Intent intent=new Intent(RingtoneManager.ACTION_RINGTONE_PICKER);
intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TYPE, RingtoneManager.TYPE_NOTIFICATION);
intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TITLE, &设置通知铃声&);
startActivityForResult(intent, NotificationButton);
//检查是否存在指定的文件夹,如果不存在就创建
private boolean isFolder(String strFolder){
boolean tmp =File f1 = new File(strFolder);if (!f1.exists()){if (f1.mkdirs()){tmp =}else{tmp =}}else{tmp =}
}//设置铃声之后的回调函数@Overrideprotected void onActivityResult(int requestCode, int resultCode, Intent data) {if(resultCode!=RESULT_OK){}switch(requestCode){case RingtongButton:try {//得到选择的铃声Uri pickedUri=data.getParcelableExtra(RingtoneManager.EXTRA_RINGTONE_PICKED_URI);//将选择的铃声选择成默认if(pickedUri!=null){RingtoneManager.setActualDefaultRingtoneUri(Media_RingTongActivity.this, RingtoneManager.TYPE_RINGTONE, pickedUri);}} catch (Exception e) {e.printStackTrace();}case AlarmButton:try {//得到选择的铃声Uri pickedUri=data.getParcelableExtra(RingtoneManager.EXTRA_RINGTONE_PICKED_URI);//将我们选择的铃声选择成默认if(pickedUri!=null){RingtoneManager.setActualDefaultRingtoneUri(Media_RingTongActivity.this, RingtoneManager.TYPE_ALARM, pickedUri);}} catch (Exception e) {e.printStackTrace();}case NotificationButton:try {//得到选择的铃声pickedUri=data.getParcelableExtra(RingtoneManager.EXTRA_RINGTONE_PICKED_URI);//将选择的铃声选择成默认if(pickedUri!=null){RingtoneManager.setActualDefaultRingtoneUri(Media_RingTongActivity.this, RingtoneManager.TYPE_NOTIFICATION, pickedUri);}} catch (Exception e) {e.printStackTrace();}}super.onActivityResult(requestCode, resultCode, data);}}代码说明:1.布局文件就是三个按钮。 2.在真机测试了一下,可以运行,在模拟器测试要注意了,每次把音频文件push到sdcard中得时候,必须重启模拟器,模拟器才会应用设置,不然是检索不到的。3.系统的原始声音存放在/system/media/audio/文件中 。4.最后一点不要忘记给应用程序加权限了:
&uses-permission android:name=&android.permission.INTERNET&/&&uses-permission android:name=&android.permission.MOUNT_UNMOUNT_FILESYSTEMS&/&&uses-permission android:name=&android.permission.WRITE_SETTINGS&/&
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提问者采纳
android应用发揭密书写创建自铃声系统像路径要先建立几文件sys/media/ringtone,音乐媒体路径添加具体记搜索~~
这种方法用过,重启后,就失效了。 网上有很多人说这个方法没有用的。
提问者评价
先结贴吧,我再仔细找找资料看看
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root定制手机
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