Java tutorial
/* * Copyright (C) 2007 The Android Open Source Project * * 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 android.app; import com.android.internal.R; import android.content.Context; import android.content.Intent; import android.content.res.Resources; import android.graphics.Bitmap; import android.media.AudioManager; import android.net.Uri; import android.os.Bundle; import android.os.IBinder; import android.os.Parcel; import android.os.Parcelable; import android.os.SystemClock; import android.os.UserHandle; import android.text.TextUtils; import android.util.IntProperty; import android.util.Log; import android.util.Slog; import android.util.TypedValue; import android.view.View; import android.widget.ProgressBar; import android.widget.RemoteViews; import java.text.NumberFormat; import java.util.ArrayList; /** * A class that represents how a persistent notification is to be presented to * the user using the {@link android.app.NotificationManager}. * * <p>The {@link Notification.Builder Notification.Builder} has been added to make it * easier to construct Notifications.</p> * * <div class="special reference"> * <h3>Developer Guides</h3> * <p>For a guide to creating notifications, read the * <a href="{@docRoot}guide/topics/ui/notifiers/notifications.html">Status Bar Notifications</a> * developer guide.</p> * </div> */ public class Notification implements Parcelable { /** * Use all default values (where applicable). */ public static final int DEFAULT_ALL = ~0; /** * Use the default notification sound. This will ignore any given * {@link #sound}. * * @see #defaults */ public static final int DEFAULT_SOUND = 1; /** * Use the default notification vibrate. This will ignore any given * {@link #vibrate}. Using phone vibration requires the * {@link android.Manifest.permission#VIBRATE VIBRATE} permission. * * @see #defaults */ public static final int DEFAULT_VIBRATE = 2; /** * Use the default notification lights. This will ignore the * {@link #FLAG_SHOW_LIGHTS} bit, and {@link #ledARGB}, {@link #ledOffMS}, or * {@link #ledOnMS}. * * @see #defaults */ public static final int DEFAULT_LIGHTS = 4; /** * A timestamp related to this notification, in milliseconds since the epoch. * * Default value: {@link System#currentTimeMillis() Now}. * * Choose a timestamp that will be most relevant to the user. For most finite events, this * corresponds to the time the event happened (or will happen, in the case of events that have * yet to occur but about which the user is being informed). Indefinite events should be * timestamped according to when the activity began. * * Some examples: * * <ul> * <li>Notification of a new chat message should be stamped when the message was received.</li> * <li>Notification of an ongoing file download (with a progress bar, for example) should be stamped when the download started.</li> * <li>Notification of a completed file download should be stamped when the download finished.</li> * <li>Notification of an upcoming meeting should be stamped with the time the meeting will begin (that is, in the future).</li> * <li>Notification of an ongoing stopwatch (increasing timer) should be stamped with the watch's start time. * <li>Notification of an ongoing countdown timer should be stamped with the timer's end time. * </ul> * */ public long when; /** * The resource id of a drawable to use as the icon in the status bar. * This is required; notifications with an invalid icon resource will not be shown. */ public int icon; /** * If the icon in the status bar is to have more than one level, you can set this. Otherwise, * leave it at its default value of 0. * * @see android.widget.ImageView#setImageLevel * @see android.graphics.drawable#setLevel */ public int iconLevel; /** * The number of events that this notification represents. For example, in a new mail * notification, this could be the number of unread messages. * * The system may or may not use this field to modify the appearance of the notification. For * example, before {@link android.os.Build.VERSION_CODES#HONEYCOMB}, this number was * superimposed over the icon in the status bar. Starting with * {@link android.os.Build.VERSION_CODES#HONEYCOMB}, the template used by * {@link Notification.Builder} has displayed the number in the expanded notification view. * * If the number is 0 or negative, it is never shown. */ public int number; /** * The intent to execute when the expanded status entry is clicked. If * this is an activity, it must include the * {@link android.content.Intent#FLAG_ACTIVITY_NEW_TASK} flag, which requires * that you take care of task management as described in the * <a href="{@docRoot}guide/topics/fundamentals/tasks-and-back-stack.html">Tasks and Back * Stack</a> document. In particular, make sure to read the notification section * <a href="{@docRoot}guide/topics/ui/notifiers/notifications.html#HandlingNotifications">Handling * Notifications</a> for the correct ways to launch an application from a * notification. */ public PendingIntent contentIntent; /** * The intent to execute when the notification is explicitly dismissed by the user, either with * the "Clear All" button or by swiping it away individually. * * This probably shouldn't be launching an activity since several of those will be sent * at the same time. */ public PendingIntent deleteIntent; /** * An intent to launch instead of posting the notification to the status bar. * * @see Notification.Builder#setFullScreenIntent */ public PendingIntent fullScreenIntent; /** * Text to scroll across the screen when this item is added to * the status bar on large and smaller devices. * * @see #tickerView */ public CharSequence tickerText; /** * The view to show as the ticker in the status bar when the notification * is posted. */ public RemoteViews tickerView; /** * The view that will represent this notification in the expanded status bar. */ public RemoteViews contentView; /** * A large-format version of {@link #contentView}, giving the Notification an * opportunity to show more detail. The system UI may choose to show this * instead of the normal content view at its discretion. */ public RemoteViews bigContentView; /** * The bitmap that may escape the bounds of the panel and bar. */ public Bitmap largeIcon; /** * The sound to play. * * <p> * To play the default notification sound, see {@link #defaults}. * </p> */ public Uri sound; /** * Use this constant as the value for audioStreamType to request that * the default stream type for notifications be used. Currently the * default stream type is {@link AudioManager#STREAM_NOTIFICATION}. */ public static final int STREAM_DEFAULT = -1; /** * The audio stream type to use when playing the sound. * Should be one of the STREAM_ constants from * {@link android.media.AudioManager}. */ public int audioStreamType = STREAM_DEFAULT; /** * The pattern with which to vibrate. * * <p> * To vibrate the default pattern, see {@link #defaults}. * </p> * * @see android.os.Vibrator#vibrate(long[],int) */ public long[] vibrate; /** * The color of the led. The hardware will do its best approximation. * * @see #FLAG_SHOW_LIGHTS * @see #flags */ public int ledARGB; /** * The number of milliseconds for the LED to be on while it's flashing. * The hardware will do its best approximation. * * @see #FLAG_SHOW_LIGHTS * @see #flags */ public int ledOnMS; /** * The number of milliseconds for the LED to be off while it's flashing. * The hardware will do its best approximation. * * @see #FLAG_SHOW_LIGHTS * @see #flags */ public int ledOffMS; /** * Specifies which values should be taken from the defaults. * <p> * To set, OR the desired from {@link #DEFAULT_SOUND}, * {@link #DEFAULT_VIBRATE}, {@link #DEFAULT_LIGHTS}. For all default * values, use {@link #DEFAULT_ALL}. * </p> */ public int defaults; /** * Bit to be bitwise-ored into the {@link #flags} field that should be * set if you want the LED on for this notification. * <ul> * <li>To turn the LED off, pass 0 in the alpha channel for colorARGB * or 0 for both ledOnMS and ledOffMS.</li> * <li>To turn the LED on, pass 1 for ledOnMS and 0 for ledOffMS.</li> * <li>To flash the LED, pass the number of milliseconds that it should * be on and off to ledOnMS and ledOffMS.</li> * </ul> * <p> * Since hardware varies, you are not guaranteed that any of the values * you pass are honored exactly. Use the system defaults (TODO) if possible * because they will be set to values that work on any given hardware. * <p> * The alpha channel must be set for forward compatibility. * */ public static final int FLAG_SHOW_LIGHTS = 0x00000001; /** * Bit to be bitwise-ored into the {@link #flags} field that should be * set if this notification is in reference to something that is ongoing, * like a phone call. It should not be set if this notification is in * reference to something that happened at a particular point in time, * like a missed phone call. */ public static final int FLAG_ONGOING_EVENT = 0x00000002; /** * Bit to be bitwise-ored into the {@link #flags} field that if set, * the audio will be repeated until the notification is * cancelled or the notification window is opened. */ public static final int FLAG_INSISTENT = 0x00000004; /** * Bit to be bitwise-ored into the {@link #flags} field that should be * set if you want the sound and/or vibration play each time the * notification is sent, even if it has not been canceled before that. */ public static final int FLAG_ONLY_ALERT_ONCE = 0x00000008; /** * Bit to be bitwise-ored into the {@link #flags} field that should be * set if the notification should be canceled when it is clicked by the * user. On tablets, the */ public static final int FLAG_AUTO_CANCEL = 0x00000010; /** * Bit to be bitwise-ored into the {@link #flags} field that should be * set if the notification should not be canceled when the user clicks * the Clear all button. */ public static final int FLAG_NO_CLEAR = 0x00000020; /** * Bit to be bitwise-ored into the {@link #flags} field that should be * set if this notification represents a currently running service. This * will normally be set for you by {@link Service#startForeground}. */ public static final int FLAG_FOREGROUND_SERVICE = 0x00000040; /** * Obsolete flag indicating high-priority notifications; use the priority field instead. * * @deprecated Use {@link #priority} with a positive value. */ public static final int FLAG_HIGH_PRIORITY = 0x00000080; public int flags; /** * Default notification {@link #priority}. If your application does not prioritize its own * notifications, use this value for all notifications. */ public static final int PRIORITY_DEFAULT = 0; /** * Lower {@link #priority}, for items that are less important. The UI may choose to show these * items smaller, or at a different position in the list, compared with your app's * {@link #PRIORITY_DEFAULT} items. */ public static final int PRIORITY_LOW = -1; /** * Lowest {@link #priority}; these items might not be shown to the user except under special * circumstances, such as detailed notification logs. */ public static final int PRIORITY_MIN = -2; /** * Higher {@link #priority}, for more important notifications or alerts. The UI may choose to * show these items larger, or at a different position in notification lists, compared with * your app's {@link #PRIORITY_DEFAULT} items. */ public static final int PRIORITY_HIGH = 1; /** * Highest {@link #priority}, for your application's most important items that require the * user's prompt attention or input. */ public static final int PRIORITY_MAX = 2; /** * Relative priority for this notification. * * Priority is an indication of how much of the user's valuable attention should be consumed by * this notification. Low-priority notifications may be hidden from the user in certain * situations, while the user might be interrupted for a higher-priority notification. The * system will make a determination about how to interpret notification priority as described in * MUMBLE MUMBLE. */ public int priority; /** * @hide * Notification type: incoming call (voice or video) or similar synchronous communication request. */ public static final String KIND_CALL = "android.call"; /** * @hide * Notification type: incoming direct message (SMS, instant message, etc.). */ public static final String KIND_MESSAGE = "android.message"; /** * @hide * Notification type: asynchronous bulk message (email). */ public static final String KIND_EMAIL = "android.email"; /** * @hide * Notification type: calendar event. */ public static final String KIND_EVENT = "android.event"; /** * @hide * Notification type: promotion or advertisement. */ public static final String KIND_PROMO = "android.promo"; /** * @hide * If this notification matches of one or more special types (see the <code>KIND_*</code> * constants), add them here, best match first. */ public String[] kind; /** * Extra key for people values (type TBD). * * @hide */ public static final String EXTRA_PEOPLE = "android.people"; private Bundle extras; /** * Structure to encapsulate an "action", including title and icon, that can be attached to a Notification. * @hide */ private static class Action implements Parcelable { public int icon; public CharSequence title; public PendingIntent actionIntent; @SuppressWarnings("unused") public Action() { } private Action(Parcel in) { icon = in.readInt(); title = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); if (in.readInt() == 1) { actionIntent = PendingIntent.CREATOR.createFromParcel(in); } } public Action(int icon_, CharSequence title_, PendingIntent intent_) { this.icon = icon_; this.title = title_; this.actionIntent = intent_; } @Override public Action clone() { return new Action(this.icon, this.title.toString(), this.actionIntent // safe to alias ); } @Override public int describeContents() { return 0; } @Override public void writeToParcel(Parcel out, int flags) { out.writeInt(icon); TextUtils.writeToParcel(title, out, flags); if (actionIntent != null) { out.writeInt(1); actionIntent.writeToParcel(out, flags); } else { out.writeInt(0); } } public static final Parcelable.Creator<Action> CREATOR = new Parcelable.Creator<Action>() { public Action createFromParcel(Parcel in) { return new Action(in); } public Action[] newArray(int size) { return new Action[size]; } }; } private Action[] actions; /** * Constructs a Notification object with default values. * You might want to consider using {@link Builder} instead. */ public Notification() { this.when = System.currentTimeMillis(); this.priority = PRIORITY_DEFAULT; } /** * @hide */ public Notification(Context context, int icon, CharSequence tickerText, long when, CharSequence contentTitle, CharSequence contentText, Intent contentIntent) { this.when = when; this.icon = icon; this.tickerText = tickerText; setLatestEventInfo(context, contentTitle, contentText, PendingIntent.getActivity(context, 0, contentIntent, 0)); } /** * Constructs a Notification object with the information needed to * have a status bar icon without the standard expanded view. * * @param icon The resource id of the icon to put in the status bar. * @param tickerText The text that flows by in the status bar when the notification first * activates. * @param when The time to show in the time field. In the System.currentTimeMillis * timebase. * * @deprecated Use {@link Builder} instead. */ @Deprecated public Notification(int icon, CharSequence tickerText, long when) { this.icon = icon; this.tickerText = tickerText; this.when = when; } /** * Unflatten the notification from a parcel. */ public Notification(Parcel parcel) { int version = parcel.readInt(); when = parcel.readLong(); icon = parcel.readInt(); number = parcel.readInt(); if (parcel.readInt() != 0) { contentIntent = PendingIntent.CREATOR.createFromParcel(parcel); } if (parcel.readInt() != 0) { deleteIntent = PendingIntent.CREATOR.createFromParcel(parcel); } if (parcel.readInt() != 0) { tickerText = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(parcel); } if (parcel.readInt() != 0) { tickerView = RemoteViews.CREATOR.createFromParcel(parcel); } if (parcel.readInt() != 0) { contentView = RemoteViews.CREATOR.createFromParcel(parcel); } if (parcel.readInt() != 0) { largeIcon = Bitmap.CREATOR.createFromParcel(parcel); } defaults = parcel.readInt(); flags = parcel.readInt(); if (parcel.readInt() != 0) { sound = Uri.CREATOR.createFromParcel(parcel); } audioStreamType = parcel.readInt(); vibrate = parcel.createLongArray(); ledARGB = parcel.readInt(); ledOnMS = parcel.readInt(); ledOffMS = parcel.readInt(); iconLevel = parcel.readInt(); if (parcel.readInt() != 0) { fullScreenIntent = PendingIntent.CREATOR.createFromParcel(parcel); } priority = parcel.readInt(); kind = parcel.createStringArray(); // may set kind to null if (parcel.readInt() != 0) { extras = parcel.readBundle(); } actions = parcel.createTypedArray(Action.CREATOR); if (parcel.readInt() != 0) { bigContentView = RemoteViews.CREATOR.createFromParcel(parcel); } } @Override public Notification clone() { Notification that = new Notification(); that.when = this.when; that.icon = this.icon; that.number = this.number; // PendingIntents are global, so there's no reason (or way) to clone them. that.contentIntent = this.contentIntent; that.deleteIntent = this.deleteIntent; that.fullScreenIntent = this.fullScreenIntent; if (this.tickerText != null) { that.tickerText = this.tickerText.toString(); } if (this.tickerView != null) { that.tickerView = this.tickerView.clone(); } if (this.contentView != null) { that.contentView = this.contentView.clone(); } if (this.largeIcon != null) { that.largeIcon = Bitmap.createBitmap(this.largeIcon); } that.iconLevel = this.iconLevel; that.sound = this.sound; // android.net.Uri is immutable that.audioStreamType = this.audioStreamType; final long[] vibrate = this.vibrate; if (vibrate != null) { final int N = vibrate.length; final long[] vib = that.vibrate = new long[N]; System.arraycopy(vibrate, 0, vib, 0, N); } that.ledARGB = this.ledARGB; that.ledOnMS = this.ledOnMS; that.ledOffMS = this.ledOffMS; that.defaults = this.defaults; that.flags = this.flags; that.priority = this.priority; final String[] thiskind = this.kind; if (thiskind != null) { final int N = thiskind.length; final String[] thatkind = that.kind = new String[N]; System.arraycopy(thiskind, 0, thatkind, 0, N); } if (this.extras != null) { that.extras = new Bundle(this.extras); } that.actions = new Action[this.actions.length]; for (int i = 0; i < this.actions.length; i++) { that.actions[i] = this.actions[i].clone(); } if (this.bigContentView != null) { that.bigContentView = this.bigContentView.clone(); } return that; } public int describeContents() { return 0; } /** * Flatten this notification from a parcel. */ public void writeToParcel(Parcel parcel, int flags) { parcel.writeInt(1); parcel.writeLong(when); parcel.writeInt(icon); parcel.writeInt(number); if (contentIntent != null) { parcel.writeInt(1); contentIntent.writeToParcel(parcel, 0); } else { parcel.writeInt(0); } if (deleteIntent != null) { parcel.writeInt(1); deleteIntent.writeToParcel(parcel, 0); } else { parcel.writeInt(0); } if (tickerText != null) { parcel.writeInt(1); TextUtils.writeToParcel(tickerText, parcel, flags); } else { parcel.writeInt(0); } if (tickerView != null) { parcel.writeInt(1); tickerView.writeToParcel(parcel, 0); } else { parcel.writeInt(0); } if (contentView != null) { parcel.writeInt(1); contentView.writeToParcel(parcel, 0); } else { parcel.writeInt(0); } if (largeIcon != null) { parcel.writeInt(1); largeIcon.writeToParcel(parcel, 0); } else { parcel.writeInt(0); } parcel.writeInt(defaults); parcel.writeInt(this.flags); if (sound != null) { parcel.writeInt(1); sound.writeToParcel(parcel, 0); } else { parcel.writeInt(0); } parcel.writeInt(audioStreamType); parcel.writeLongArray(vibrate); parcel.writeInt(ledARGB); parcel.writeInt(ledOnMS); parcel.writeInt(ledOffMS); parcel.writeInt(iconLevel); if (fullScreenIntent != null) { parcel.writeInt(1); fullScreenIntent.writeToParcel(parcel, 0); } else { parcel.writeInt(0); } parcel.writeInt(priority); parcel.writeStringArray(kind); // ok for null if (extras != null) { parcel.writeInt(1); extras.writeToParcel(parcel, 0); } else { parcel.writeInt(0); } parcel.writeTypedArray(actions, 0); if (bigContentView != null) { parcel.writeInt(1); bigContentView.writeToParcel(parcel, 0); } else { parcel.writeInt(0); } } /** * Parcelable.Creator that instantiates Notification objects */ public static final Parcelable.Creator<Notification> CREATOR = new Parcelable.Creator<Notification>() { public Notification createFromParcel(Parcel parcel) { return new Notification(parcel); } public Notification[] newArray(int size) { return new Notification[size]; } }; /** * Sets the {@link #contentView} field to be a view with the standard "Latest Event" * layout. * * <p>Uses the {@link #icon} and {@link #when} fields to set the icon and time fields * in the view.</p> * @param context The context for your application / activity. * @param contentTitle The title that goes in the expanded entry. * @param contentText The text that goes in the expanded entry. * @param contentIntent The intent to launch when the user clicks the expanded notification. * If this is an activity, it must include the * {@link android.content.Intent#FLAG_ACTIVITY_NEW_TASK} flag, which requires * that you take care of task management as described in the * <a href="{@docRoot}guide/topics/fundamentals/tasks-and-back-stack.html">Tasks and Back * Stack</a> document. * * @deprecated Use {@link Builder} instead. */ @Deprecated public void setLatestEventInfo(Context context, CharSequence contentTitle, CharSequence contentText, PendingIntent contentIntent) { // TODO: rewrite this to use Builder RemoteViews contentView = new RemoteViews(context.getPackageName(), R.layout.notification_template_base); if (this.icon != 0) { contentView.setImageViewResource(R.id.icon, this.icon); } if (priority < PRIORITY_LOW) { contentView.setInt(R.id.icon, "setBackgroundResource", R.drawable.notification_template_icon_low_bg); contentView.setInt(R.id.status_bar_latest_event_content, "setBackgroundResource", R.drawable.notification_bg_low); } if (contentTitle != null) { contentView.setTextViewText(R.id.title, contentTitle); } if (contentText != null) { contentView.setTextViewText(R.id.text, contentText); } if (this.when != 0) { contentView.setViewVisibility(R.id.time, View.VISIBLE); contentView.setLong(R.id.time, "setTime", when); } if (this.number != 0) { NumberFormat f = NumberFormat.getIntegerInstance(); contentView.setTextViewText(R.id.info, f.format(this.number)); } this.contentView = contentView; this.contentIntent = contentIntent; } @Override public String toString() { StringBuilder sb = new StringBuilder(); sb.append("Notification(pri="); sb.append(priority); sb.append(" contentView="); if (contentView != null) { sb.append(contentView.getPackage()); sb.append("/0x"); sb.append(Integer.toHexString(contentView.getLayoutId())); } else { sb.append("null"); } // TODO(dsandler): defaults take precedence over local values, so reorder the branches below sb.append(" vibrate="); if (this.vibrate != null) { int N = this.vibrate.length - 1; sb.append("["); for (int i = 0; i < N; i++) { sb.append(this.vibrate[i]); sb.append(','); } if (N != -1) { sb.append(this.vibrate[N]); } sb.append("]"); } else if ((this.defaults & DEFAULT_VIBRATE) != 0) { sb.append("default"); } else { sb.append("null"); } sb.append(" sound="); if (this.sound != null) { sb.append(this.sound.toString()); } else if ((this.defaults & DEFAULT_SOUND) != 0) { sb.append("default"); } else { sb.append("null"); } sb.append(" defaults=0x"); sb.append(Integer.toHexString(this.defaults)); sb.append(" flags=0x"); sb.append(Integer.toHexString(this.flags)); sb.append(" kind=["); if (this.kind == null) { sb.append("null"); } else { for (int i = 0; i < this.kind.length; i++) { if (i > 0) sb.append(","); sb.append(this.kind[i]); } } sb.append("]"); if (actions != null) { sb.append(" "); sb.append(actions.length); sb.append(" action"); if (actions.length > 1) sb.append("s"); } sb.append(")"); return sb.toString(); } /** {@hide} */ public void setUser(UserHandle user) { if (user.getIdentifier() == UserHandle.USER_ALL) { user = UserHandle.OWNER; } if (tickerView != null) { tickerView.setUser(user); } if (contentView != null) { contentView.setUser(user); } if (bigContentView != null) { bigContentView.setUser(user); } } /** * Builder class for {@link Notification} objects. * * Provides a convenient way to set the various fields of a {@link Notification} and generate * content views using the platform's notification layout template. If your app supports * versions of Android as old as API level 4, you can instead use * {@link android.support.v4.app.NotificationCompat.Builder NotificationCompat.Builder}, * available in the <a href="{@docRoot}tools/extras/support-library.html">Android Support * library</a>. * * <p>Example: * * <pre class="prettyprint"> * Notification noti = new Notification.Builder(mContext) * .setContentTitle("New mail from " + sender.toString()) * .setContentText(subject) * .setSmallIcon(R.drawable.new_mail) * .setLargeIcon(aBitmap) * .build(); * </pre> */ public static class Builder { private static final int MAX_ACTION_BUTTONS = 3; private Context mContext; private long mWhen; private int mSmallIcon; private int mSmallIconLevel; private int mNumber; private CharSequence mContentTitle; private CharSequence mContentText; private CharSequence mContentInfo; private CharSequence mSubText; private PendingIntent mContentIntent; private RemoteViews mContentView; private PendingIntent mDeleteIntent; private PendingIntent mFullScreenIntent; private CharSequence mTickerText; private RemoteViews mTickerView; private Bitmap mLargeIcon; private Uri mSound; private int mAudioStreamType; private long[] mVibrate; private int mLedArgb; private int mLedOnMs; private int mLedOffMs; private int mDefaults; private int mFlags; private int mProgressMax; private int mProgress; private boolean mProgressIndeterminate; private ArrayList<String> mKindList = new ArrayList<String>(1); private Bundle mExtras; private int mPriority; private ArrayList<Action> mActions = new ArrayList<Action>(MAX_ACTION_BUTTONS); private boolean mUseChronometer; private Style mStyle; private boolean mShowWhen = true; /** * Constructs a new Builder with the defaults: * * <table> * <tr><th align=right>priority</th> * <td>{@link #PRIORITY_DEFAULT}</td></tr> * <tr><th align=right>when</th> * <td>now ({@link System#currentTimeMillis()})</td></tr> * <tr><th align=right>audio stream</th> * <td>{@link #STREAM_DEFAULT}</td></tr> * </table> * * @param context * A {@link Context} that will be used by the Builder to construct the * RemoteViews. The Context will not be held past the lifetime of this Builder * object. */ public Builder(Context context) { mContext = context; // Set defaults to match the defaults of a Notification mWhen = System.currentTimeMillis(); mAudioStreamType = STREAM_DEFAULT; mPriority = PRIORITY_DEFAULT; } /** * Add a timestamp pertaining to the notification (usually the time the event occurred). * It will be shown in the notification content view by default; use * {@link Builder#setShowWhen(boolean) setShowWhen} to control this. * * @see Notification#when */ public Builder setWhen(long when) { mWhen = when; return this; } /** * Control whether the timestamp set with {@link Builder#setWhen(long) setWhen} is shown * in the content view. */ public Builder setShowWhen(boolean show) { mShowWhen = show; return this; } /** * Show the {@link Notification#when} field as a stopwatch. * * Instead of presenting <code>when</code> as a timestamp, the notification will show an * automatically updating display of the minutes and seconds since <code>when</code>. * * Useful when showing an elapsed time (like an ongoing phone call). * * @see android.widget.Chronometer * @see Notification#when */ public Builder setUsesChronometer(boolean b) { mUseChronometer = b; return this; } /** * Set the small icon resource, which will be used to represent the notification in the * status bar. * * The platform template for the expanded view will draw this icon in the left, unless a * {@link #setLargeIcon(Bitmap) large icon} has also been specified, in which case the small * icon will be moved to the right-hand side. * * @param icon * A resource ID in the application's package of the drawable to use. * @see Notification#icon */ public Builder setSmallIcon(int icon) { mSmallIcon = icon; return this; } /** * A variant of {@link #setSmallIcon(int) setSmallIcon(int)} that takes an additional * level parameter for when the icon is a {@link android.graphics.drawable.LevelListDrawable * LevelListDrawable}. * * @param icon A resource ID in the application's package of the drawable to use. * @param level The level to use for the icon. * * @see Notification#icon * @see Notification#iconLevel */ public Builder setSmallIcon(int icon, int level) { mSmallIcon = icon; mSmallIconLevel = level; return this; } /** * Set the first line of text in the platform notification template. */ public Builder setContentTitle(CharSequence title) { mContentTitle = title; return this; } /** * Set the second line of text in the platform notification template. */ public Builder setContentText(CharSequence text) { mContentText = text; return this; } /** * Set the third line of text in the platform notification template. * Don't use if you're also using {@link #setProgress(int, int, boolean)}; they occupy the same location in the standard template. */ public Builder setSubText(CharSequence text) { mSubText = text; return this; } /** * Set the large number at the right-hand side of the notification. This is * equivalent to setContentInfo, although it might show the number in a different * font size for readability. */ public Builder setNumber(int number) { mNumber = number; return this; } /** * A small piece of additional information pertaining to this notification. * * The platform template will draw this on the last line of the notification, at the far * right (to the right of a smallIcon if it has been placed there). */ public Builder setContentInfo(CharSequence info) { mContentInfo = info; return this; } /** * Set the progress this notification represents. * * The platform template will represent this using a {@link ProgressBar}. */ public Builder setProgress(int max, int progress, boolean indeterminate) { mProgressMax = max; mProgress = progress; mProgressIndeterminate = indeterminate; return this; } /** * Supply a custom RemoteViews to use instead of the platform template. * * @see Notification#contentView */ public Builder setContent(RemoteViews views) { mContentView = views; return this; } /** * Supply a {@link PendingIntent} to be sent when the notification is clicked. * * As of {@link android.os.Build.VERSION_CODES#HONEYCOMB}, if this field is unset and you * have specified a custom RemoteViews with {@link #setContent(RemoteViews)}, you can use * {@link RemoteViews#setOnClickPendingIntent RemoteViews.setOnClickPendingIntent(int,PendingIntent)} * to assign PendingIntents to individual views in that custom layout (i.e., to create * clickable buttons inside the notification view). * * @see Notification#contentIntent Notification.contentIntent */ public Builder setContentIntent(PendingIntent intent) { mContentIntent = intent; return this; } /** * Supply a {@link PendingIntent} to send when the notification is cleared explicitly by the user. * * @see Notification#deleteIntent */ public Builder setDeleteIntent(PendingIntent intent) { mDeleteIntent = intent; return this; } /** * An intent to launch instead of posting the notification to the status bar. * Only for use with extremely high-priority notifications demanding the user's * <strong>immediate</strong> attention, such as an incoming phone call or * alarm clock that the user has explicitly set to a particular time. * If this facility is used for something else, please give the user an option * to turn it off and use a normal notification, as this can be extremely * disruptive. * * @param intent The pending intent to launch. * @param highPriority Passing true will cause this notification to be sent * even if other notifications are suppressed. * * @see Notification#fullScreenIntent */ public Builder setFullScreenIntent(PendingIntent intent, boolean highPriority) { mFullScreenIntent = intent; setFlag(FLAG_HIGH_PRIORITY, highPriority); return this; } /** * Set the "ticker" text which is displayed in the status bar when the notification first * arrives. * * @see Notification#tickerText */ public Builder setTicker(CharSequence tickerText) { mTickerText = tickerText; return this; } /** * Set the text that is displayed in the status bar when the notification first * arrives, and also a RemoteViews object that may be displayed instead on some * devices. * * @see Notification#tickerText * @see Notification#tickerView */ public Builder setTicker(CharSequence tickerText, RemoteViews views) { mTickerText = tickerText; mTickerView = views; return this; } /** * Add a large icon to the notification (and the ticker on some devices). * * In the platform template, this image will be shown on the left of the notification view * in place of the {@link #setSmallIcon(int) small icon} (which will move to the right side). * * @see Notification#largeIcon */ public Builder setLargeIcon(Bitmap icon) { mLargeIcon = icon; return this; } /** * Set the sound to play. * * It will be played on the {@link #STREAM_DEFAULT default stream} for notifications. * * @see Notification#sound */ public Builder setSound(Uri sound) { mSound = sound; mAudioStreamType = STREAM_DEFAULT; return this; } /** * Set the sound to play, along with a specific stream on which to play it. * * See {@link android.media.AudioManager} for the <code>STREAM_</code> constants. * * @see Notification#sound */ public Builder setSound(Uri sound, int streamType) { mSound = sound; mAudioStreamType = streamType; return this; } /** * Set the vibration pattern to use. * * See {@link android.os.Vibrator#vibrate(long[], int)} for a discussion of the * <code>pattern</code> parameter. * * @see Notification#vibrate */ public Builder setVibrate(long[] pattern) { mVibrate = pattern; return this; } /** * Set the desired color for the indicator LED on the device, as well as the * blink duty cycle (specified in milliseconds). * * Not all devices will honor all (or even any) of these values. * * @see Notification#ledARGB * @see Notification#ledOnMS * @see Notification#ledOffMS */ public Builder setLights(int argb, int onMs, int offMs) { mLedArgb = argb; mLedOnMs = onMs; mLedOffMs = offMs; return this; } /** * Set whether this is an "ongoing" notification. * * Ongoing notifications cannot be dismissed by the user, so your application or service * must take care of canceling them. * * They are typically used to indicate a background task that the user is actively engaged * with (e.g., playing music) or is pending in some way and therefore occupying the device * (e.g., a file download, sync operation, active network connection). * * @see Notification#FLAG_ONGOING_EVENT * @see Service#setForeground(boolean) */ public Builder setOngoing(boolean ongoing) { setFlag(FLAG_ONGOING_EVENT, ongoing); return this; } /** * Set this flag if you would only like the sound, vibrate * and ticker to be played if the notification is not already showing. * * @see Notification#FLAG_ONLY_ALERT_ONCE */ public Builder setOnlyAlertOnce(boolean onlyAlertOnce) { setFlag(FLAG_ONLY_ALERT_ONCE, onlyAlertOnce); return this; } /** * Make this notification automatically dismissed when the user touches it. The * PendingIntent set with {@link #setDeleteIntent} will be sent when this happens. * * @see Notification#FLAG_AUTO_CANCEL */ public Builder setAutoCancel(boolean autoCancel) { setFlag(FLAG_AUTO_CANCEL, autoCancel); return this; } /** * Set which notification properties will be inherited from system defaults. * <p> * The value should be one or more of the following fields combined with * bitwise-or: * {@link #DEFAULT_SOUND}, {@link #DEFAULT_VIBRATE}, {@link #DEFAULT_LIGHTS}. * <p> * For all default values, use {@link #DEFAULT_ALL}. */ public Builder setDefaults(int defaults) { mDefaults = defaults; return this; } /** * Set the priority of this notification. * * @see Notification#priority */ public Builder setPriority(int pri) { mPriority = pri; return this; } /** * @hide * * Add a kind (category) to this notification. Optional. * * @see Notification#kind */ public Builder addKind(String k) { mKindList.add(k); return this; } /** * Add metadata to this notification. * * A reference to the Bundle is held for the lifetime of this Builder, and the Bundle's * current contents are copied into the Notification each time {@link #build()} is * called. * * @see Notification#extras * @hide */ public Builder setExtras(Bundle bag) { mExtras = bag; return this; } /** * Add an action to this notification. Actions are typically displayed by * the system as a button adjacent to the notification content. * * @param icon Resource ID of a drawable that represents the action. * @param title Text describing the action. * @param intent PendingIntent to be fired when the action is invoked. */ public Builder addAction(int icon, CharSequence title, PendingIntent intent) { mActions.add(new Action(icon, title, intent)); return this; } /** * Add a rich notification style to be applied at build time. * * @param style Object responsible for modifying the notification style. */ public Builder setStyle(Style style) { if (mStyle != style) { mStyle = style; if (mStyle != null) { mStyle.setBuilder(this); } } return this; } private void setFlag(int mask, boolean value) { if (value) { mFlags |= mask; } else { mFlags &= ~mask; } } private RemoteViews applyStandardTemplate(int resId, boolean fitIn1U) { RemoteViews contentView = new RemoteViews(mContext.getPackageName(), resId); boolean showLine3 = false; boolean showLine2 = false; int smallIconImageViewId = R.id.icon; if (mLargeIcon != null) { contentView.setImageViewBitmap(R.id.icon, mLargeIcon); smallIconImageViewId = R.id.right_icon; } if (mPriority < PRIORITY_LOW) { contentView.setInt(R.id.icon, "setBackgroundResource", R.drawable.notification_template_icon_low_bg); contentView.setInt(R.id.status_bar_latest_event_content, "setBackgroundResource", R.drawable.notification_bg_low); } if (mSmallIcon != 0) { contentView.setImageViewResource(smallIconImageViewId, mSmallIcon); contentView.setViewVisibility(smallIconImageViewId, View.VISIBLE); } else { contentView.setViewVisibility(smallIconImageViewId, View.GONE); } if (mContentTitle != null) { contentView.setTextViewText(R.id.title, mContentTitle); } if (mContentText != null) { contentView.setTextViewText(R.id.text, mContentText); showLine3 = true; } if (mContentInfo != null) { contentView.setTextViewText(R.id.info, mContentInfo); contentView.setViewVisibility(R.id.info, View.VISIBLE); showLine3 = true; } else if (mNumber > 0) { final int tooBig = mContext.getResources() .getInteger(R.integer.status_bar_notification_info_maxnum); if (mNumber > tooBig) { contentView.setTextViewText(R.id.info, mContext.getResources().getString(R.string.status_bar_notification_info_overflow)); } else { NumberFormat f = NumberFormat.getIntegerInstance(); contentView.setTextViewText(R.id.info, f.format(mNumber)); } contentView.setViewVisibility(R.id.info, View.VISIBLE); showLine3 = true; } else { contentView.setViewVisibility(R.id.info, View.GONE); } // Need to show three lines? if (mSubText != null) { contentView.setTextViewText(R.id.text, mSubText); if (mContentText != null) { contentView.setTextViewText(R.id.text2, mContentText); contentView.setViewVisibility(R.id.text2, View.VISIBLE); showLine2 = true; } else { contentView.setViewVisibility(R.id.text2, View.GONE); } } else { contentView.setViewVisibility(R.id.text2, View.GONE); if (mProgressMax != 0 || mProgressIndeterminate) { contentView.setProgressBar(R.id.progress, mProgressMax, mProgress, mProgressIndeterminate); contentView.setViewVisibility(R.id.progress, View.VISIBLE); showLine2 = true; } else { contentView.setViewVisibility(R.id.progress, View.GONE); } } if (showLine2) { if (fitIn1U) { // need to shrink all the type to make sure everything fits final Resources res = mContext.getResources(); final float subTextSize = res.getDimensionPixelSize(R.dimen.notification_subtext_size); contentView.setTextViewTextSize(R.id.text, TypedValue.COMPLEX_UNIT_PX, subTextSize); } // vertical centering contentView.setViewPadding(R.id.line1, 0, 0, 0, 0); } if (mWhen != 0 && mShowWhen) { if (mUseChronometer) { contentView.setViewVisibility(R.id.chronometer, View.VISIBLE); contentView.setLong(R.id.chronometer, "setBase", mWhen + (SystemClock.elapsedRealtime() - System.currentTimeMillis())); contentView.setBoolean(R.id.chronometer, "setStarted", true); } else { contentView.setViewVisibility(R.id.time, View.VISIBLE); contentView.setLong(R.id.time, "setTime", mWhen); } } else { contentView.setViewVisibility(R.id.time, View.GONE); } contentView.setViewVisibility(R.id.line3, showLine3 ? View.VISIBLE : View.GONE); contentView.setViewVisibility(R.id.overflow_divider, showLine3 ? View.VISIBLE : View.GONE); return contentView; } private RemoteViews applyStandardTemplateWithActions(int layoutId) { RemoteViews big = applyStandardTemplate(layoutId, false); int N = mActions.size(); if (N > 0) { // Log.d("Notification", "has actions: " + mContentText); big.setViewVisibility(R.id.actions, View.VISIBLE); big.setViewVisibility(R.id.action_divider, View.VISIBLE); if (N > MAX_ACTION_BUTTONS) N = MAX_ACTION_BUTTONS; big.removeAllViews(R.id.actions); for (int i = 0; i < N; i++) { final RemoteViews button = generateActionButton(mActions.get(i)); //Log.d("Notification", "adding action " + i + ": " + mActions.get(i).title); big.addView(R.id.actions, button); } } return big; } private RemoteViews makeContentView() { if (mContentView != null) { return mContentView; } else { return applyStandardTemplate(R.layout.notification_template_base, true); // no more special large_icon flavor } } private RemoteViews makeTickerView() { if (mTickerView != null) { return mTickerView; } else { if (mContentView == null) { return applyStandardTemplate(mLargeIcon == null ? R.layout.status_bar_latest_event_ticker : R.layout.status_bar_latest_event_ticker_large_icon, true); } else { return null; } } } private RemoteViews makeBigContentView() { if (mActions.size() == 0) return null; return applyStandardTemplateWithActions(R.layout.notification_template_big_base); } private RemoteViews generateActionButton(Action action) { final boolean tombstone = (action.actionIntent == null); RemoteViews button = new RemoteViews(mContext.getPackageName(), tombstone ? R.layout.notification_action_tombstone : R.layout.notification_action); button.setTextViewCompoundDrawables(R.id.action0, action.icon, 0, 0, 0); button.setTextViewText(R.id.action0, action.title); if (!tombstone) { button.setOnClickPendingIntent(R.id.action0, action.actionIntent); } button.setContentDescription(R.id.action0, action.title); return button; } /** * Apply the unstyled operations and return a new {@link Notification} object. */ private Notification buildUnstyled() { Notification n = new Notification(); n.when = mWhen; n.icon = mSmallIcon; n.iconLevel = mSmallIconLevel; n.number = mNumber; n.contentView = makeContentView(); n.contentIntent = mContentIntent; n.deleteIntent = mDeleteIntent; n.fullScreenIntent = mFullScreenIntent; n.tickerText = mTickerText; n.tickerView = makeTickerView(); n.largeIcon = mLargeIcon; n.sound = mSound; n.audioStreamType = mAudioStreamType; n.vibrate = mVibrate; n.ledARGB = mLedArgb; n.ledOnMS = mLedOnMs; n.ledOffMS = mLedOffMs; n.defaults = mDefaults; n.flags = mFlags; n.bigContentView = makeBigContentView(); if (mLedOnMs != 0 && mLedOffMs != 0) { n.flags |= FLAG_SHOW_LIGHTS; } if ((mDefaults & DEFAULT_LIGHTS) != 0) { n.flags |= FLAG_SHOW_LIGHTS; } if (mKindList.size() > 0) { n.kind = new String[mKindList.size()]; mKindList.toArray(n.kind); } else { n.kind = null; } n.priority = mPriority; n.extras = mExtras != null ? new Bundle(mExtras) : null; if (mActions.size() > 0) { n.actions = new Action[mActions.size()]; mActions.toArray(n.actions); } return n; } /** * @deprecated Use {@link #build()} instead. */ @Deprecated public Notification getNotification() { return build(); } /** * Combine all of the options that have been set and return a new {@link Notification} * object. */ public Notification build() { if (mStyle != null) { return mStyle.build(); } else { return buildUnstyled(); } } } /** * An object that can apply a rich notification style to a {@link Notification.Builder} * object. */ public static abstract class Style { private CharSequence mBigContentTitle; private CharSequence mSummaryText = null; private boolean mSummaryTextSet = false; protected Builder mBuilder; /** * Overrides ContentTitle in the big form of the template. * This defaults to the value passed to setContentTitle(). */ protected void internalSetBigContentTitle(CharSequence title) { mBigContentTitle = title; } /** * Set the first line of text after the detail section in the big form of the template. */ protected void internalSetSummaryText(CharSequence cs) { mSummaryText = cs; mSummaryTextSet = true; } public void setBuilder(Builder builder) { if (mBuilder != builder) { mBuilder = builder; if (mBuilder != null) { mBuilder.setStyle(this); } } } protected void checkBuilder() { if (mBuilder == null) { throw new IllegalArgumentException("Style requires a valid Builder object"); } } protected RemoteViews getStandardView(int layoutId) { checkBuilder(); if (mBigContentTitle != null) { mBuilder.setContentTitle(mBigContentTitle); } RemoteViews contentView = mBuilder.applyStandardTemplateWithActions(layoutId); if (mBigContentTitle != null && mBigContentTitle.equals("")) { contentView.setViewVisibility(R.id.line1, View.GONE); } else { contentView.setViewVisibility(R.id.line1, View.VISIBLE); } // The last line defaults to the subtext, but can be replaced by mSummaryText final CharSequence overflowText = mSummaryTextSet ? mSummaryText : mBuilder.mSubText; if (overflowText != null) { contentView.setTextViewText(R.id.text, overflowText); contentView.setViewVisibility(R.id.overflow_divider, View.VISIBLE); contentView.setViewVisibility(R.id.line3, View.VISIBLE); } else { contentView.setViewVisibility(R.id.overflow_divider, View.GONE); contentView.setViewVisibility(R.id.line3, View.GONE); } return contentView; } public abstract Notification build(); } /** * Helper class for generating large-format notifications that include a large image attachment. * * This class is a "rebuilder": It consumes a Builder object and modifies its behavior, like so: * <pre class="prettyprint"> * Notification noti = new Notification.BigPictureStyle( * new Notification.Builder() * .setContentTitle("New photo from " + sender.toString()) * .setContentText(subject) * .setSmallIcon(R.drawable.new_post) * .setLargeIcon(aBitmap)) * .bigPicture(aBigBitmap) * .build(); * </pre> * * @see Notification#bigContentView */ public static class BigPictureStyle extends Style { private Bitmap mPicture; private Bitmap mBigLargeIcon; private boolean mBigLargeIconSet = false; public BigPictureStyle() { } public BigPictureStyle(Builder builder) { setBuilder(builder); } /** * Overrides ContentTitle in the big form of the template. * This defaults to the value passed to setContentTitle(). */ public BigPictureStyle setBigContentTitle(CharSequence title) { internalSetBigContentTitle(title); return this; } /** * Set the first line of text after the detail section in the big form of the template. */ public BigPictureStyle setSummaryText(CharSequence cs) { internalSetSummaryText(cs); return this; } /** * Provide the bitmap to be used as the payload for the BigPicture notification. */ public BigPictureStyle bigPicture(Bitmap b) { mPicture = b; return this; } /** * Override the large icon when the big notification is shown. */ public BigPictureStyle bigLargeIcon(Bitmap b) { mBigLargeIconSet = true; mBigLargeIcon = b; return this; } private RemoteViews makeBigContentView() { RemoteViews contentView = getStandardView(R.layout.notification_template_big_picture); contentView.setImageViewBitmap(R.id.big_picture, mPicture); return contentView; } @Override public Notification build() { checkBuilder(); Notification wip = mBuilder.buildUnstyled(); if (mBigLargeIconSet) { mBuilder.mLargeIcon = mBigLargeIcon; } wip.bigContentView = makeBigContentView(); return wip; } } /** * Helper class for generating large-format notifications that include a lot of text. * * This class is a "rebuilder": It consumes a Builder object and modifies its behavior, like so: * <pre class="prettyprint"> * Notification noti = new Notification.BigTextStyle( * new Notification.Builder() * .setContentTitle("New mail from " + sender.toString()) * .setContentText(subject) * .setSmallIcon(R.drawable.new_mail) * .setLargeIcon(aBitmap)) * .bigText(aVeryLongString) * .build(); * </pre> * * @see Notification#bigContentView */ public static class BigTextStyle extends Style { private CharSequence mBigText; public BigTextStyle() { } public BigTextStyle(Builder builder) { setBuilder(builder); } /** * Overrides ContentTitle in the big form of the template. * This defaults to the value passed to setContentTitle(). */ public BigTextStyle setBigContentTitle(CharSequence title) { internalSetBigContentTitle(title); return this; } /** * Set the first line of text after the detail section in the big form of the template. */ public BigTextStyle setSummaryText(CharSequence cs) { internalSetSummaryText(cs); return this; } /** * Provide the longer text to be displayed in the big form of the * template in place of the content text. */ public BigTextStyle bigText(CharSequence cs) { mBigText = cs; return this; } private RemoteViews makeBigContentView() { // Remove the content text so line3 only shows if you have a summary final boolean hadThreeLines = (mBuilder.mContentText != null && mBuilder.mSubText != null); mBuilder.mContentText = null; RemoteViews contentView = getStandardView(R.layout.notification_template_big_text); if (hadThreeLines) { // vertical centering contentView.setViewPadding(R.id.line1, 0, 0, 0, 0); } contentView.setTextViewText(R.id.big_text, mBigText); contentView.setViewVisibility(R.id.big_text, View.VISIBLE); contentView.setViewVisibility(R.id.text2, View.GONE); return contentView; } @Override public Notification build() { checkBuilder(); Notification wip = mBuilder.buildUnstyled(); wip.bigContentView = makeBigContentView(); return wip; } } /** * Helper class for generating large-format notifications that include a list of (up to 5) strings. * * This class is a "rebuilder": It consumes a Builder object and modifies its behavior, like so: * <pre class="prettyprint"> * Notification noti = new Notification.InboxStyle( * new Notification.Builder() * .setContentTitle("5 New mails from " + sender.toString()) * .setContentText(subject) * .setSmallIcon(R.drawable.new_mail) * .setLargeIcon(aBitmap)) * .addLine(str1) * .addLine(str2) * .setContentTitle("") * .setSummaryText("+3 more") * .build(); * </pre> * * @see Notification#bigContentView */ public static class InboxStyle extends Style { private ArrayList<CharSequence> mTexts = new ArrayList<CharSequence>(5); public InboxStyle() { } public InboxStyle(Builder builder) { setBuilder(builder); } /** * Overrides ContentTitle in the big form of the template. * This defaults to the value passed to setContentTitle(). */ public InboxStyle setBigContentTitle(CharSequence title) { internalSetBigContentTitle(title); return this; } /** * Set the first line of text after the detail section in the big form of the template. */ public InboxStyle setSummaryText(CharSequence cs) { internalSetSummaryText(cs); return this; } /** * Append a line to the digest section of the Inbox notification. */ public InboxStyle addLine(CharSequence cs) { mTexts.add(cs); return this; } private RemoteViews makeBigContentView() { // Remove the content text so line3 disappears unless you have a summary mBuilder.mContentText = null; RemoteViews contentView = getStandardView(R.layout.notification_template_inbox); contentView.setViewVisibility(R.id.text2, View.GONE); int[] rowIds = { R.id.inbox_text0, R.id.inbox_text1, R.id.inbox_text2, R.id.inbox_text3, R.id.inbox_text4, R.id.inbox_text5, R.id.inbox_text6 }; // Make sure all rows are gone in case we reuse a view. for (int rowId : rowIds) { contentView.setViewVisibility(rowId, View.GONE); } int i = 0; while (i < mTexts.size() && i < rowIds.length) { CharSequence str = mTexts.get(i); if (str != null && !str.equals("")) { contentView.setViewVisibility(rowIds[i], View.VISIBLE); contentView.setTextViewText(rowIds[i], str); } i++; } contentView.setViewVisibility(R.id.inbox_end_pad, mTexts.size() > 0 ? View.VISIBLE : View.GONE); contentView.setViewVisibility(R.id.inbox_more, mTexts.size() > rowIds.length ? View.VISIBLE : View.GONE); return contentView; } @Override public Notification build() { checkBuilder(); Notification wip = mBuilder.buildUnstyled(); wip.bigContentView = makeBigContentView(); return wip; } } }