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package com.Aina.Android;
import java.io.File;
import android.app.Activity;
import android.content.Intent;
import android.media.RingtoneManager;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.widget.Button;
public class Test extends Activity {
/** Called when the activity is first created. */
private Button btn1 = null;
private Button btn2 = null;
private Button btn3 = null;
private static final int Ringtone = 0;
private static final int Alarm = 1;
private static final int Notification = 2;
private static final String FileRingtone = Environment
.getExternalStorageDirectory()
+ "/music/ringtones";
private static final String FileAlarm = Environment
.getExternalStorageDirectory()
+ "/music/alarms";
private static final String FileNotification = Environment
.getExternalStorageDirectory()
+ "/music/notifications";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
btn1 = (Button) this.findViewById(R.id.Button01);
btn2 = (Button) this.findViewById(R.id.Button02);
btn3 = (Button) this.findViewById(R.id.Button03);
btn1.setOnClickListener(new Button.OnClickListener() {
public void onClick(View arg0) {
// TODO Auto-generated method stub
if (isFile(FileRingtone)) {
// 打开系统铃声设置
Intent intent = new Intent(
RingtoneManager.ACTION_RINGTONE_PICKER);
// 设置类型为来电
intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TYPE,
RingtoneManager.TYPE_RINGTONE);
// 设置显示的标题
intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TITLE,
"设置来电铃声");
startActivityForResult(intent, Ringtone);
}
}
});
btn2.setOnClickListener(new Button.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
if (isFile(FileAlarm)) {
Intent intent = new Intent(
RingtoneManager.ACTION_RINGTONE_PICKER);
intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TYPE,
RingtoneManager.TYPE_ALARM);
intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TITLE,
"设置闹钟铃声");
startActivityForResult(intent, Alarm);
}
}
});
btn3.setOnClickListener(new Button.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
if (isFile(FileNotification)) {
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, Notification);
}
}
});
}
/**
* 设置铃声之后的回调函数
*/
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode != RESULT_OK) {
return;
} else {
// 得到我们选择的铃声
Uri uri = data
.getParcelableExtra(RingtoneManager.EXTRA_RINGTONE_PICKED_URI);
if (uri != null) {
switch (requestCode) {
case Ringtone:
RingtoneManager.setActualDefaultRingtoneUri(this,
RingtoneManager.TYPE_RINGTONE, uri);
break;
case Alarm:
RingtoneManager.setActualDefaultRingtoneUri(this,
RingtoneManager.TYPE_ALARM, uri);
break;
case Notification:
RingtoneManager.setActualDefaultRingtoneUri(this,
RingtoneManager.TYPE_NOTIFICATION, uri);
break;
default:
break;
}
}
}
}
/**
* 判断文件是否存在，不存在则创建.
*
* @param path
* @return
*/
private boolean isFile(String path) {
boolean b = false;
File f = new File(path);
if (f.exists()) {
b = true;
} else {
if (f.mkdirs()) {
b = true;
} else {
b = false;
}
}
return b;
}
} |
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="fill_parent"
android:layout_height="fill_parent">
<TextView android:layout_width="fill_parent"
android:layout_height="wrap_content" android:text="@string/hello" />
<Button android:text="设置来电铃声" android:id="@+id/Button01"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
</Button>
<Button android:text="设置闹钟铃声" android:id="@+id/Button02"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
</Button>
<Button android:text="设置通知铃声" android:id="@+id/Button03"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
</Button>
</LinearLayout>
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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.Aina.Android"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".Test"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />
</manifest>
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本文转自java豆子博客园博客，原文链接：http://www.cnblogs.com/error404/archive/2011/08/04/2127233.html，如需转载请自行联系原作者