Java tutorial
/* * Copyright (c) 2016 Metin Kale * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ package com.metinkale.prayerapp.vakit; import android.app.PendingIntent; 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.content.res.Resources; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Paint; import android.graphics.Paint.Align; import android.graphics.Paint.Style; import android.graphics.Typeface; import android.os.Bundle; import android.support.annotation.NonNull; import android.util.TypedValue; import android.widget.RemoteViews; import com.crashlytics.android.Crashlytics; import com.metinkale.prayer.R; import com.metinkale.prayerapp.App; import com.metinkale.prayerapp.Utils; import com.metinkale.prayerapp.settings.Prefs; import com.metinkale.prayerapp.vakit.times.Times; import com.metinkale.prayerapp.vakit.times.other.Vakit; import org.joda.time.LocalDate; public class WidgetProvider extends AppWidgetProvider { private static float mDP; private static void updateAppWidget(@NonNull Context context, @NonNull AppWidgetManager appWidgetManager, int widgetId) { if (mDP == 0) { Resources r = context.getResources(); mDP = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 1, r.getDisplayMetrics()); } Resources r = context.getResources(); SharedPreferences widgets = context.getSharedPreferences("widgets", 0); int t = widgets.getInt(widgetId + "_theme", 0); int w = widgets.getInt(widgetId + "_width", 130); int h = widgets.getInt(widgetId + "_height", 160); w = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, w, r.getDisplayMetrics()); h = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, h, r.getDisplayMetrics()); float scaleX = (float) w / (float) 13; float scaleY = (float) h / (float) 16; float scale = Math.min(scaleY, scaleX); //Workaround for exception "RemoteViews for widget update exceeds maximum bitmap memory usage" //scale = WidgetProvider.correctScaleFactorIfNeeded(context, scale, 13, 16); w = (int) (13 * scale); h = (int) (16 * scale); if ((w <= 0) || (h <= 0)) { SharedPreferences.Editor edit = widgets.edit(); edit.remove(widgetId + "_width"); edit.remove(widgetId + "_height"); edit.apply(); updateAppWidget(context, appWidgetManager, widgetId); return; } Theme theme; switch (t) { case 0: theme = Theme.Light; break; case 1: theme = Theme.Dark; break; case 2: theme = Theme.LightTrans; break; case 3: theme = Theme.Trans; break; default: theme = Theme.Light; } Times times = null; long id = 0; try { id = widgets.getLong(widgetId + "", 0L); } catch (ClassCastException e) { widgets.edit().remove(widgetId + "").apply(); } if (id != 0) { times = Times.getTimes(id); } if (times == null) { RemoteViews remoteViews = new RemoteViews(context.getPackageName(), R.layout.widget_city_removed); Intent i = new Intent(context, WidgetConfigure.class); i.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, widgetId); remoteViews.setOnClickPendingIntent(R.id.image, PendingIntent.getActivity(context, 0, i, PendingIntent.FLAG_CANCEL_CURRENT)); appWidgetManager.updateAppWidget(widgetId, remoteViews); return; } RemoteViews remoteViews = new RemoteViews(context.getPackageName(), R.layout.vakit_widget); LocalDate date = LocalDate.now(); String[] daytimes = { times.getTime(date, 0), times.getTime(date, 1), times.getTime(date, 2), times.getTime(date, 3), times.getTime(date, 4), times.getTime(date, 5) }; int next = times.getNext(); String left = times.getLeft(next, false); if (Prefs.getVakitIndicator().equals("next")) next++; remoteViews.setOnClickPendingIntent(R.id.widget, Main.getPendingIntent(times)); Bitmap bmp = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_4444); Canvas canvas = new Canvas(bmp); canvas.scale(0.99f, 0.99f, w / 2, h / 2); Paint paint = new Paint(); paint.setAntiAlias(true); paint.setDither(true); paint.setFilterBitmap(true); paint.setStyle(Style.FILL); paint.setColor(theme.bgcolor); canvas.drawRect(0, 0, w, h, paint); paint.setColor(theme.textcolor); paint.setStyle(Style.FILL_AND_STROKE); paint.setAntiAlias(true); paint.setSubpixelText(true); double l = h / 10; paint.setTextSize((int) l); paint.setTextAlign(Align.CENTER); canvas.drawText(times.getName(), w / 2, (int) (l * 1.8), paint); paint.setTextSize((int) ((l * 8) / 10)); if (next != 0 && !Prefs.showAltWidgetHightlight()) { paint.setColor(theme.hovercolor); canvas.drawRect(0, (int) (l * (next + 1.42)), w, (int) (l * (next + 2.42)), paint); } paint.setColor(theme.textcolor); paint.setTextAlign(Align.LEFT); for (int i = 0; i < 6; i++) { if (i == next - 1 && Prefs.showAltWidgetHightlight()) { paint.setTypeface(Typeface.create(Typeface.DEFAULT, Typeface.BOLD_ITALIC)); } canvas.drawText(Vakit.getByIndex(i).getString(), w / 6, (int) (l * (3.2 + i)), paint); if (i == next - 1 && Prefs.showAltWidgetHightlight()) { paint.setTypeface(Typeface.create(Typeface.DEFAULT, Typeface.NORMAL)); } } paint.setTextAlign(Align.RIGHT); if (Prefs.use12H()) { for (int i = 0; i < daytimes.length; i++) { if (i == next - 1 && Prefs.showAltWidgetHightlight()) { paint.setTypeface(Typeface.create(Typeface.DEFAULT, Typeface.BOLD_ITALIC)); } String time = Utils.fixTime(daytimes[i]); String suffix = time.substring(time.indexOf(" ") + 1); time = time.substring(0, time.indexOf(" ")); paint.setTextSize((int) ((l * 8) / 10)); canvas.drawText(time, ((w * 5) / 6) - paint.measureText("A"), (int) (l * 3.2 + i * l), paint); paint.setTextSize((int) ((l * 4) / 10)); canvas.drawText(suffix, ((w * 5) / 6) + (paint.measureText(time) / 4), (int) (l * 3 + i * l), paint); if (i == next - 1 && Prefs.showAltWidgetHightlight()) { paint.setTypeface(Typeface.create(Typeface.DEFAULT, Typeface.NORMAL)); } } } else { for (int i = 0; i < daytimes.length; i++) { if (i == next - 1 && Prefs.showAltWidgetHightlight()) { paint.setTypeface(Typeface.create(Typeface.DEFAULT, Typeface.BOLD_ITALIC)); } canvas.drawText(Utils.toArabicNrs(daytimes[i]), (w * 5) / 6, (int) (l * 3.2 + i * l), paint); if (i == next - 1 && Prefs.showAltWidgetHightlight()) { paint.setTypeface(Typeface.create(Typeface.DEFAULT, Typeface.NORMAL)); } } } paint.setTextSize((int) l); paint.setTextAlign(Align.CENTER); canvas.drawText(left, w / 2, (int) (l * 9.5), paint); paint.setStyle(Style.STROKE); float stroke = mDP; paint.setStrokeWidth(stroke); paint.setColor(theme.strokecolor); canvas.drawRect(0, 0, w, h, paint); remoteViews.setImageViewBitmap(R.id.widget, bmp); try { appWidgetManager.updateAppWidget(widgetId, remoteViews); } catch (RuntimeException e) { if (!e.getMessage().contains("exceeds maximum bitmap memory usage")) { Crashlytics.logException(e); } } } public static void updateWidgets(@NonNull Context c) { try { AppWidgetManager manager = AppWidgetManager.getInstance(App.get()); ComponentName thisWidget = new ComponentName(c, WidgetProvider.class); for (int i : manager.getAppWidgetIds(thisWidget)) { updateAppWidget(c, manager, i); } thisWidget = new ComponentName(c, WidgetProviderSmall.class); for (int i : manager.getAppWidgetIds(thisWidget)) { WidgetProviderSmall.updateAppWidget(c, manager, i); } thisWidget = new ComponentName(c, WidgetProviderLong.class); for (int i : manager.getAppWidgetIds(thisWidget)) { WidgetProviderLong.updateAppWidget(c, manager, i); } thisWidget = new ComponentName(c, WidgetProviderSilenter.class); for (int i : manager.getAppWidgetIds(thisWidget)) { WidgetProviderSilenter.updateAppWidget(c, manager, i); } thisWidget = new ComponentName(c, WidgetProviderClock.class); for (int i : manager.getAppWidgetIds(thisWidget)) { WidgetProviderClock.updateAppWidget(c, manager, i); } thisWidget = new ComponentName(c, WidgetProviderClock2.class); for (int i : manager.getAppWidgetIds(thisWidget)) { WidgetProviderClock2.updateAppWidget(c, manager, i); } } catch (Exception e) { Crashlytics.logException(e); } } @Override public void onEnabled(@NonNull Context context) { ComponentName thisWidget = new ComponentName(context, WidgetProvider.class); AppWidgetManager manager = AppWidgetManager.getInstance(context); onUpdate(context, manager, manager.getAppWidgetIds(thisWidget)); } @Override public void onUpdate(@NonNull Context context, @NonNull AppWidgetManager appWidgetManager, @NonNull int[] appWidgetIds) { for (int widgetId : appWidgetIds) { updateAppWidget(context, appWidgetManager, widgetId); } } @Override public void onDisabled(Context context) { } @Override public void onAppWidgetOptionsChanged(@NonNull Context context, @NonNull AppWidgetManager appWidgetManager, int appWidgetId, @NonNull Bundle newOptions) { int w = newOptions.getInt(AppWidgetManager.OPTION_APPWIDGET_MAX_WIDTH); int h = newOptions.getInt(AppWidgetManager.OPTION_APPWIDGET_MAX_HEIGHT); if ((w * h) != 0) { SharedPreferences widgets = context.getSharedPreferences("widgets", 0); SharedPreferences.Editor edit = widgets.edit(); edit.putInt(appWidgetId + "_width", w); edit.putInt(appWidgetId + "_height", h); edit.apply(); } updateAppWidget(context, appWidgetManager, appWidgetId); } }