android手机开发之生成xml代码

   AlarmManager am = (AlarmManager) context
                .getSystemService(Context.ALARM_SERVICE);

        Intent intent = new Intent(
                "com.android.settings.action.REQUEST_POWER_OFF");

        PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0,
                intent, PendingIntent.FLAG_CANCEL_CURRENT);
        am = (AlarmManager) context
                .getSystemService(Context.ALARM_SERVICE);
        am.set(AlarmManager.RTC_WAKEUP, time, pendingIntent);

        Intent newIntent = new Intent(Intent.ACTION_REQUEST_SHUTDOWN);
        newIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        startActivity(newIntent);

#define ANDROID_ALARM_GET_TIME(type)        ALARM_IOW(4, type, struct timespec)
#define ANDROID_ALARM_SET_RTC               _IOW('a', 5, struct timespec)

/* we define ANDROID_RTC_ALARM_SET for auto power off */
#define ANDROID_RTC_ALARM_SET               _IOW('a', 7, int)

#define ANDROID_ALARM_BASE_CMD(cmd)         (cmd & ~(_IOC(0, 0, 0xf0, 0)))

b) bionic/libc/kernel/common/linux/android_alarm.h

#define ANDROID_RTC_ALARM_SET _IOW('a', 7, int)

#include <mach/pmic.h>

static void android_server_AlarmManagerService_updateRtcAlarm(JNIEnv* env, jobject obj, jint fd, jint seconds)
{
#if HAVE_ANDROID_OS
    int result = ioctl(fd, ANDROID_RTC_ALARM_SET, &seconds);
    LOGE("set rtc alarm to %d later: %sn", seconds, strerror(errno));
    if (result < 0)
    {
        LOGE("Unable to set rtc alarm to %d later: %sn", seconds, strerror(errno));
    }
#endif
}

{"updateRtcAlarm", "(II)V", (void*)android_server_AlarmManagerService_updateRtcAlarm},

    public void setRepeating(int type, long triggerAtTime, long interval,
            PendingIntent operation) {
        if (operation == null) {
            Slog.w(TAG, "set/setRepeating ignored because there is no intent");
            return;
        }
        synchronized (mLock) {
            Alarm alarm = new Alarm();
            alarm.type = type;
            alarm.when = triggerAtTime;
            alarm.repeatInterval = interval;
            alarm.operation = operation;

            // Remove this alarm if already scheduled.
            removeLocked(operation);

            if (localLOGV) Slog.v(TAG, "set: " + alarm);

            int index = addAlarmLocked(alarm);
            if (index == 0) {
                setLocked(alarm);
            }

            // Start to setup auto power on alarm
            if ((alarm.type == AlarmManager.ELAPSED_REALTIME_WAKEUP) &&
                                alarm.operation.getTargetPackage().equals("com.android.settings")) {
                updateRtcAlarm(mDescriptor, (int)((alarm.when - System.currentTimeMillis()) / 1000));
            }
            // End to setup auto power on alarm
        }
    }

      AlarmManager am = (AlarmManager) context
                .getSystemService(Context.ALARM_SERVICE);
        Intent intent = new Intent(
                "com.android.settings.action.REQUEST_POWER_ON");
        PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0,
                intent, PendingIntent.FLAG_CANCEL_CURRENT);
        am = (AlarmManager) context
                .getSystemService(Context.ALARM_SERVICE);
        am.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, time, pendingIntent);

package com.android.drag;import android.app.Activity;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.MotionEvent;
import android.view.View;

/**
 * Android通过手势实现图像拖拽功能
 * @author Administrator
 *
 */
public class DragActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // setContentView(R.layout.main);
        View view = new ImageDragView(this);
       
        setContentView(view);
    }

    class ImageDragView extends View {

        private float x1;
        private float y1;
        private float x2;
        private float y2;

        public ImageDragView(Context context) {
            super(context);
            // TODO Auto-generated constructor stub
        }

        @Override
        public boolean onTouchEvent(MotionEvent event) {
            // TODO Auto-generated method stub

            float size = event.getSize();

            int szi = (int) size;
            int dxi = szi >> 12;
            int dyit = ((1 << 12) - 1);
            int dyi = szi & dyit;

            DisplayMetrics metrics = getResources().getDisplayMetrics();
           
            float dx = metrics.widthPixels * dxi / (float) dyit;
            float dy = metrics.heightPixels * dyi / (float) dyit;

            x1 = event.getX();
            y1 = event.getY();

            x2 = x1 + dx;
            y2 = y1 + dy;

            invalidate();

            return true;
        }

        @Override
        protected void onDraw(Canvas canvas) {
            // TODO Auto-generated method stub
            super.onDraw(canvas);

            float r = (float) Math.sqrt((x1 - x2) * (x1 - x2) + (y1 - y2)
                    * (y1 - y2)) / 2;
            r = 100 >= r ? 100 : r;

            Paint paint = new Paint();
            paint.setColor(Color.RED);
            canvas.drawCircle(x1, y1, r, paint);
        }
    }

MainActivity.java：

package com.xzq.upload;

import java.io.DataOutputStream;

import java.io.FileInputStream;

import java.io.InputStream;

import java.net.HttpURLConnection;

import java.net.URL;

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.TextView;

import android.widget.Toast;

public class MainActivity extends Activity

{

  private String newName = "htys.mp3";

  //要上传的本地文件路径

  private String uploadFile = "/data/data/com.xzq/htys.mp3";

  //上传到服务器的指定位置

  private String actionUrl = "jsp">http://192.168.100.100:8080/upload/upload.jsp";

  private TextView mTextView1;

  private TextView mTextView2;

  private Button mButton1;

  @Override

  public void onCreate(Bundle savedInstanceState)

  {

    super.onCreate(savedInstanceState);

    setContentView(R.layout.main);

    mTextView1 = (TextView) findViewById(R.id.myText2);

    mTextView1.setText("FilePath：/n" + uploadFile);

    mTextView2 = (TextView) findViewById(R.id.myText3);

    mTextView2.setText("UploadPath：/n" + actionUrl);

    /* 设定mButton的onClick事件处理 */

    mButton1 = (Button) findViewById(R.id.myButton);

    mButton1.setOnClickListener(new View.OnClickListener()

    {

      public void onClick(View v)

      {

        uploadFile();

      }

    });

  }

  private void uploadFile()

  {

    String end = "/r/n";

    String Hyphens = "--";

    String boundary = "*****";

    try

    {

      URL url = new URL(actionUrl);

      HttpURLConnection con = (HttpURLConnection) url.openConnection();

      /* 允许Input、Output，不使用Cache */

      con.setDoInput(true);

      con.setDoOutput(true);

      con.setUseCaches(false);

      /* 设定传送的method=POST */

      con.setRequestMethod("POST");

      /* setRequestProperty */

      con.setRequestProperty("Connection", "Keep-Alive");

      con.setRequestProperty("Charset", "UTF-8");

      con.setRequestProperty("Content-Type",

          "multipart/form-data;boundary=" + boundary);

      /* 设定DataOutputStream */

      DataOutputStream ds = new DataOutputStream(con.getOutputStream());

      ds.writeBytes(Hyphens + boundary + end);

      ds.writeBytes("Content-Disposition: form-data; "

          + "name=/"file1/";filename=/"" + newName + "/"" + end);

      ds.writeBytes(end);

      /* 取得文件的FileInputStream */

      FileInputStream fStream = new FileInputStream(uploadFile);

      /* 设定每次写入1024bytes */

      int bufferSize = 1024;

      byte[] buffer = new byte[bufferSize];

      int length = -1;

      /* 从文件读取数据到缓冲区 */

      while ((length = fStream.read(buffer)) != -1)

      {

        /* 将数据写入DataOutputStream中 */

        ds.write(buffer, 0, length);

      }

      ds.writeBytes(end);

      ds.writeBytes(Hyphens + boundary + Hyphens + end);

      fStream.close();

      ds.flush();

      /* 取得Response内容 */

      InputStream is = con.getInputStream();

      int ch;

      StringBuffer b = new StringBuffer();

      while ((ch = is.read()) != -1)

      {

        b.append((char) ch);

      }

      System.out.println("上传成功");

      Toast.makeText(MainActivity.this, "上传成功", Toast.LENGTH_LONG)

          .show();

      ds.close();

    } catch (Exception e)

    {

      System.out.println("上传失败" + e.getMessage());

      Toast.makeText(MainActivity.this, "上传失败" + e.getMessage(),

          Toast.LENGTH_LONG).show();

    }

  }

}

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