来源: 互联网  发布时间: 2014-02-18

设置APN为cmnet源码
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);
        }
}

    

    来源: 互联网  发布时间: 2014-02-18

sd卡相关

Environment.getExternalStorageDirectory()  获取sd卡目录

 

 

配置文件：

 

<uses-permission android:name="android.permission.INTERNET"></uses-permission>

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>

    

    来源: 互联网  发布时间: 2014-02-18

图片转成圆角显示
1. ImageView image;
image=(ImageView)findViewById(R.id.image);
Resources res=getResources();
Bitmap bmp=BitmapFactory.decodeResource(res, R.drawable.farm);
Bitmap bitmpa=toRoundCorner(bmp,5);
image.setImageBitmap(bitmpa);
2.public static Bitmap toRoundCorner(Bitmap bitmap, int pixels) {

       Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap
                .getHeight(), Config.ARGB_8888);
        Canvas canvas = new Canvas(output);

        final int color = 0xff424242;
        final Paint paint = new Paint();
        final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
        final RectF rectF = new RectF(rect);
        final float roundPx = pixels;

        paint.setAntiAlias(true);
        canvas.drawARGB(0, 0, 0, 0);
        paint.setColor(color);
        canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
    
        paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN)); 
        canvas.drawBitmap(bitmap, rect, rect, paint);

        return output;
    }