TimeSettableAnalogClockService

package com.example.anlogclocksettimeexample;

import java.util.Date;

import android.app.Service;
import android.appwidget.AppWidgetManager;
import android.content.ComponentName;
import android.content.Intent;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.IBinder;
import android.text.format.DateFormat;
import android.text.format.Time;
import android.util.TypedValue;
import android.widget.AnalogClock;
import android.widget.RemoteViews;
import android.widget.Toast;

public class TimeSettableAnalogClockService extends Service {

    private Time mCalendar;
    private float mMinutes;
    private float mHour;

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {

        buildUpdate();

        return super.onStartCommand(intent, flags, startId);
    }

    private void buildUpdate() {
        RemoteViews remoteViews = new RemoteViews(getPackageName(), R.layout.appwidget);

        mCalendar = new Time();

        // Line below sets time that will be displayed - modify as needed.
        mCalendar.setToNow();

        int hour = mCalendar.hour;
        int minute = mCalendar.minute;
        int second = mCalendar.second;

        mMinutes = minute + second / 60.0f;
        mHour = hour + mMinutes / 60.0f;

        Resources r = getApplicationContext().getResources();


        // You'll have to determine tour own dimensions of space to which analog clock is drawn.
        final int APP_WIDGET_WIDTH_DP = 210; // Taken from widget_provider.xml: android:minWidth="210dp"
        final int APP_WIDGET_HEIGHT_DP = 210; // Taken from widget_provider.xml: android:minHeight="210dp"

        final int availableWidth = (int) (TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, APP_WIDGET_WIDTH_DP, r.getDisplayMetrics()) + 0.5f);
        final int availableHeight = (int) (TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, APP_WIDGET_HEIGHT_DP, r.getDisplayMetrics()) + 0.5f);

        int x = availableWidth / 2;
        int y = availableHeight / 2;


        // Creating Bitmap and Canvas to which analog clock will be drawn.
        Bitmap appWidgetBitmap = Bitmap.createBitmap(availableWidth, availableHeight, Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(appWidgetBitmap);

        final Drawable dial = r.getDrawable(R.drawable.clock_dial);
        int w = dial.getIntrinsicWidth();
        int h = dial.getIntrinsicHeight();

        boolean scaled = false;

        if (availableWidth < w || availableHeight < h) {
            scaled = true;
            float scale = Math.min((float) availableWidth / (float) w,
                                   (float) availableHeight / (float) h);
            canvas.save();
            canvas.scale(scale, scale, x, y);
        }

        dial.setBounds(x - (w / 2), y - (h / 2), x + (w / 2), y + (h / 2));
        dial.draw(canvas);

        canvas.save();
        canvas.rotate(mHour / 12.0f * 360.0f, x, y);

        final Drawable hourHand = r.getDrawable(R.drawable.clock_hand_hour);
        w = hourHand.getIntrinsicWidth();
        h = hourHand.getIntrinsicHeight();
        hourHand.setBounds(x - (w / 2), y - (h / 2), x + (w / 2), y + (h / 2));

        hourHand.draw(canvas);
        canvas.restore();

        canvas.save();
        canvas.rotate(mMinutes / 60.0f * 360.0f, x, y);

        final Drawable minuteHand = r.getDrawable(R.drawable.clock_hand_minute);
        w = minuteHand.getIntrinsicWidth();
        h = minuteHand.getIntrinsicHeight();
        minuteHand.setBounds(x - (w / 2), y - (h / 2), x + (w / 2), y + (h / 2));
        minuteHand.draw(canvas);
        canvas.restore();

        if (scaled) {
            canvas.restore();
        }

        remoteViews.setImageViewBitmap(R.id.imageView1, appWidgetBitmap);

        // Pushing widget update to home screen
        ComponentName widgetComponentName = new ComponentName(this, TimeSettableAnalogClockAppWidget.class);
        AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(this);
        appWidgetManager.updateAppWidget(widgetComponentName, remoteViews);

    }

    @Override
    public IBinder onBind(Intent intent) {
        return null;
    }

}