设置APN为cmnet源码

最新推荐文章于 2022-10-19 11:10:03 发布

jykenan

最新推荐文章于 2022-10-19 11:10:03 发布

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分类专栏： android 文章标签： C C++ C#

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本文介绍了一个用于Android系统的APN设置与管理的Java类。该类提供了检查当前APN设置、添加新的APN配置（如cmnet）并将其设置为当前APN的功能。通过ContentResolver和SQLite操作实现。

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public class APNActivity extends Activity {

public static final Uri APN_URI = Uri.parse("content://telephony/carriers");
public static final Uri CURRENT_APN_URI = Uri.parse("content://telephony/carriers/preferapn");

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
int _cmnetId = addAPN();
SetAPN(_cmnetId);
}
public void checkAPN(){
// 检查当前连接的APN
Cursor cr = getContentResolver().query(CURRENT_APN_URI, null, null,
null, null);
while (cr != null && cr.moveToNext()) {
// APN id
String id = cr.getString(cr.getColumnIndex("_id"));
// APN name
String apn = StringUtils.null2String(cr
.getString(cr.getColumnIndex("apn")));
//Toast.makeText(getApplicationContext(),
//&当前 id:" + id + " apn:" + apn, Toast.LENGTH_LONG).show();

}
//新增一个cmnet接入点
public int addAPN() {
int id = -1;
ContentResolver resolver = this.getContentResolver();
ContentValues values = new ContentValues();
values.put("name", "cmnet");
values.put("apn", "cmnet");
Cursor c = null;
Uri newRow = resolver.insert(APN_URI, values);
if (newRow != null) {
c = resolver.query(newRow, null, null, null, null);
int idIndex = c.getColumnIndex("_id");
c.moveToFirst();
id = c.getShort(idIndex);
}
if (c != null)
c.close();
return id;
}
//设置接入点
public void SetAPN(int id) {
ContentResolver resolver = this.getContentResolver();
ContentValues values = new ContentValues();
values.put("apn_id", id);
resolver.update(CURRENT_APN_URI, values, null, null);
}
}