Android Open Source - dClock Clock Widget

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License

The source code is released under:

Copyright (c) 2012 Yaroslav Tatarenko All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are me...

Java Source Code

package com.dclock;
//from  w  ww  .  ja v a 2s  .co m
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.*;
import android.preference.PreferenceManager;
import android.text.format.Time;
import android.util.Log;
import android.widget.RemoteViews;

public class ClockWidget extends AppWidgetProvider
{
    public static final String ClockStart = "DigitalClock.ClockStart";
    public static final String ClockStop = "DigitalClock.ClockStop";
    public static final String ACTION_REDRAW = "com.dClock.action.CLOCK_REDRAW";

    @Override
    public void onReceive(Context context, Intent intent)
    {
        if (intent != null &&
            intent.getAction() != null &&
            intent.getAction().equalsIgnoreCase(ACTION_REDRAW))
        {
            updateTimeImage(context);
        }

        super.onReceive(context, intent);
    }

    @Override
    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds)
    {
        updateTimeImage(context);

        super.onUpdate(context, appWidgetManager, appWidgetIds);
    }

    @Override
    public void onEnabled(Context context)
    {
        if (context != null)
        {
            super.onEnabled(context);
            Intent i = new Intent(context, ClockService.class);
            i.setAction(ClockStart);
            context.startService(i);
        }

        super.onEnabled(context);
    }

    @Override
    public void onDisabled(Context context)
    {
        if (context != null)
        {
            Intent i = new Intent(context, ClockService.class);
            i.setAction(ClockStop);
            context.startService(i);
        }

        super.onDisabled(context);
    }

    public static void updateTimeImage(Context context)
    {
        if (context == null)
        {
            return;
        }

        Time now = new Time(Time.getCurrentTimezone());
        now.setToNow();

        ComponentName thisWidget = new ComponentName(context, ClockWidget.class);
        AppWidgetManager manager = AppWidgetManager.getInstance(context);
        RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.widget);

        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
        boolean useAmPm = preferences.getBoolean("showAmPmPref", false);
        boolean use12Hour = preferences.getBoolean("use12HourPref", false);

        String hour = use12Hour ? now.format("%I:%M") : now.format("%H:%M");
        String amPm = null;
        if (useAmPm)
        {
            hour = now.format("%I:%M");
            amPm = now.hour >= 12 ? "PM" : "AM";
        }

        views.setImageViewBitmap(R.id.CurrentTimeImage, BuildTime(context, now.format("%A, %d %B %Y"), hour, amPm));
        manager.updateAppWidget(thisWidget, views);
    }

    private static Bitmap BuildTime(Context context, String date, String time, String ampm)
    {
        Bitmap result = Bitmap.createBitmap(400, 80, Bitmap.Config.ARGB_4444);
        Canvas myCanvas = new Canvas(result);
        Paint paint = new Paint();
        Typeface clock = Typeface.createFromAsset(context.getAssets(), "fonts/AndroidClock.ttf");
        paint.setColor(Color.TRANSPARENT);
        myCanvas.drawPaint(paint);
        paint.setAntiAlias(true);
        paint.setSubpixelText(true);
        paint.setStyle(Paint.Style.FILL);
        paint.setColor(Color.WHITE);
        paint.setTextSize(14);
        paint.setTextAlign(Paint.Align.RIGHT);
        myCanvas.drawText(date, 400, 76, paint);
        int rightSide = 400;
        if (ampm != null && !ampm.isEmpty())
        {
            paint.setTextSize(20);
            rightSide -= paint.measureText(ampm);
            myCanvas.drawText(ampm, 400, 28, paint);
        }

        paint.setTypeface(clock);
        paint.setTextSize(100);
        myCanvas.drawText(time, rightSide, 60, paint);

        return result;
    }
}

Java Source Code List

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