ui/notifications/LNotifications/Application/src/main/java/com/example/android/lnotifications/OtherMetadataFragment.java - platform/developers/samples/android - Git at Google

 /*
 * Copyright 2014 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 com.example.android.lnotifications;

 import android.app.Activity;
 import android.app.Fragment;
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.content.Context;
 import android.content.Intent;
 import android.database.Cursor;
 import android.graphics.Bitmap;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Bundle;
 import android.provider.ContactsContract;
 import android.provider.MediaStore;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
 import android.widget.Button;
 import android.widget.ImageView;
 import android.widget.Spinner;
 import android.widget.TextView;
 import android.widget.Toast;

 import java.io.IOException;
 import java.util.Random;

 /**
  * Fragment that demonstrates how to attach metadata introduced in Android L, such as
  * priority data, notification category and person data.
  */
 public class OtherMetadataFragment extends Fragment {

     private static final String TAG = OtherMetadataFragment.class.getSimpleName();

     /**
      * Request code used for picking a contact.
      */
     public static final int REQUEST_CODE_PICK_CONTACT = 1;

     /**
      * Incremental Integer used for ID for notifications so that each notification will be
      * treated differently.
      */
     private Integer mIncrementalNotificationId = Integer.valueOf(0);

     private NotificationManager mNotificationManager;

     /**
      * Button to show a notification.
      */
     private Button mShowNotificationButton;

     /**
      *  Spinner that holds possible categories used for a notification as
      *  {@link Notification.Builder#setCategory(String)}.
      */
     private Spinner mCategorySpinner;

     /**
      * Spinner that holds possible priorities used for a notification as
      * {@link Notification.Builder#setPriority(int)}.
      */
     private Spinner mPrioritySpinner;

     /**
      * Holds a URI for the person to be attached to the notification.
      */
     //@VisibleForTesting
     Uri mContactUri;

     /**
      * Use this factory method to create a new instance of
      * this fragment using the provided parameters.
      *
      * @return A new instance of fragment NotificationFragment.
      */
     public static OtherMetadataFragment newInstance() {
         OtherMetadataFragment fragment = new OtherMetadataFragment();
         fragment.setRetainInstance(true);
         return fragment;
     }

     public OtherMetadataFragment() {
         // Required empty public constructor
     }

     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         mNotificationManager = (NotificationManager) getActivity().getSystemService(Context
                 .NOTIFICATION_SERVICE);
     }

     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
         // Inflate the layout for this fragment
         return inflater.inflate(R.layout.fragment_other_metadata, container, false);
     }

     @Override
     public void onViewCreated(View view, Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
         mShowNotificationButton = (Button) view.findViewById(R.id.show_notification_button);
         mShowNotificationButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
                 Priority selectedPriority = (Priority) mPrioritySpinner.getSelectedItem();
                 Category selectedCategory = (Category) mCategorySpinner.getSelectedItem();
                 showNotificationClicked(selectedPriority, selectedCategory, mContactUri);
             }
         });

         mCategorySpinner = (Spinner) view.findViewById(R.id.category_spinner);
         ArrayAdapter<Category> categoryArrayAdapter = new ArrayAdapter<Category>(getActivity(),
                 android.R.layout.simple_spinner_item, Category.values());
         categoryArrayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
         mCategorySpinner.setAdapter(categoryArrayAdapter);

         mPrioritySpinner = (Spinner) view.findViewById(R.id.priority_spinner);
         ArrayAdapter<Priority> priorityArrayAdapter = new ArrayAdapter<Priority>(getActivity(),
                 android.R.layout.simple_spinner_item, Priority.values());
         priorityArrayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
         mPrioritySpinner.setAdapter(priorityArrayAdapter);

         view.findViewById(R.id.attach_person).setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
                 findContact();
             }
         });

         view.findViewById(R.id.contact_entry).setVisibility(View.GONE);
     }

     @Override
     public void onActivityResult(int requestCode, int resultCode, Intent data) {
         super.onActivityResult(requestCode, resultCode, data);
         switch (requestCode) {
             case REQUEST_CODE_PICK_CONTACT:
                 if (resultCode == Activity.RESULT_OK) {
                     Uri contactUri = data.getData();
                     mContactUri = contactUri;
                     updateContactEntryFromUri(contactUri);
                 }
                 break;
         }
     }

     /**
      * Invoked when {@link #mShowNotificationButton} is clicked.
      * Creates a new notification and sets metadata passed as arguments.
      *
      * @param priority   The priority metadata.
      * @param category   The category metadata.
      * @param contactUri The URI to be added to the new notification as metadata.
      *
      * @return A Notification instance.
      */
     //@VisibleForTesting
     Notification createNotification(Priority priority, Category category, Uri contactUri) {
         Notification.Builder notificationBuilder = new Notification.Builder(getActivity())
                 .setSmallIcon(R.drawable.ic_launcher_notification)
                 .setPriority(priority.value)
                 .setCategory(category.value)
                 .setContentText(String.format("Category %s, Priority %s", category.value,
                         priority.name()));
         if (contactUri != null) {
             notificationBuilder.addPerson(contactUri.toString());
             Bitmap photoBitmap = loadBitmapFromContactUri(contactUri);
             if (photoBitmap != null) {
                 notificationBuilder.setLargeIcon(photoBitmap);
             }
         }
         return notificationBuilder.build();
     }

     /**
      * Invoked when {@link #mShowNotificationButton} is clicked.
      * Creates a new notification and sets metadata passed as arguments.
      *
      * @param priority   The priority metadata.
      * @param category   The category metadata.
      * @param contactUri The URI to be added to the new notification as metadata.
      */
     private void showNotificationClicked(Priority priority, Category category, Uri contactUri) {
         // Assigns a unique (incremented) notification ID in order to treat each notification as a
         // different one. This helps demonstrate how a priority flag affects ordering.
         mIncrementalNotificationId = new Integer(mIncrementalNotificationId + 1);
         mNotificationManager.notify(mIncrementalNotificationId, createNotification(priority,
                 category, contactUri));
         Toast.makeText(getActivity(), "Show Notification clicked", Toast.LENGTH_SHORT).show();
     }

     private void findContact() {
         Intent intent = new Intent(Intent.ACTION_PICK, ContactsContract.Contacts.CONTENT_URI);
         startActivityForResult(intent, REQUEST_CODE_PICK_CONTACT);
     }

     /**
      * Returns a {@link Bitmap} from the Uri specified as the argument.
      *
      * @param contactUri The Uri from which the result Bitmap is created.
      * @return The {@link Bitmap} instance retrieved from the contactUri.
      */
     private Bitmap loadBitmapFromContactUri(Uri contactUri) {
         if (contactUri == null) {
             return null;
         }
         Bitmap result = null;
         Cursor cursor = getActivity().getContentResolver().query(contactUri, null, null, null,
                 null);
         if (cursor != null && cursor.moveToFirst()) {
             int idx = cursor.getColumnIndex(ContactsContract.Contacts.PHOTO_ID);
             String hasPhoto = cursor.getString(idx);
             Uri photoUri = Uri.withAppendedPath(contactUri, ContactsContract.Contacts.Photo
                     .CONTENT_DIRECTORY);
             if (hasPhoto != null) {
                 try {
                     result = MediaStore.Images.Media.getBitmap(getActivity().getContentResolver()
                             , photoUri);
                 } catch (IOException e) {
                     Log.e(TAG, String.format("Failed to load resource. Uri %s", photoUri), e);
                 }
             } else {
                 Drawable defaultContactDrawable = getActivity().getResources().getDrawable(R
                         .drawable.ic_contact_picture);
                 result = ((BitmapDrawable) defaultContactDrawable).getBitmap();
             }
         }
         return result;
     }

     /**
      * Updates the Contact information on the screen when a contact is picked.
      *
      * @param contactUri The Uri from which the contact is retrieved.
      */
     private void updateContactEntryFromUri(Uri contactUri) {
         Cursor cursor = getActivity().getContentResolver().query(contactUri, null, null, null,
                 null);
         if (cursor != null && cursor.moveToFirst()) {
             int idx = cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME);
             String name = cursor.getString(idx);
             idx = cursor.getColumnIndex(ContactsContract.Contacts.PHOTO_ID);
             String hasPhoto = cursor.getString(idx);

             Uri photoUri = Uri.withAppendedPath(contactUri, ContactsContract.Contacts.Photo
                     .CONTENT_DIRECTORY);
             ImageView contactPhoto = (ImageView) getActivity().findViewById(R.id.contact_photo);
             if (hasPhoto != null) {
                 contactPhoto.setImageURI(photoUri);
             } else {
                 Drawable defaultContactDrawable = getActivity().getResources().getDrawable(R
                         .drawable.ic_contact_picture);
                 contactPhoto.setImageDrawable(defaultContactDrawable);
             }
             TextView contactName = (TextView) getActivity().findViewById(R.id.contact_name);
             contactName.setText(name);

             getActivity().findViewById(R.id.contact_entry).setVisibility(View.VISIBLE);
             getActivity().findViewById(R.id.attach_person).setVisibility(View.GONE);
             getActivity().findViewById(R.id.click_to_change).setOnClickListener(new View.OnClickListener() {
                 @Override
                 public void onClick(View view) {
                     findContact();
                 }
             });
             Log.i(TAG, String.format("Contact updated. Name %s, PhotoUri %s", name, photoUri));
         }
     }

     /**
      * Enum indicating possible categories in {@link Notification} used from
      * {@link #mCategorySpinner}.
      */
     //@VisibleForTesting
     static enum Category {
         ALARM("alarm"),
         CALL("call"),
         EMAIL("email"),
         ERROR("err"),
         EVENT("event"),
         MESSAGE("msg"),
         PROGRESS("progress"),
         PROMO("promo"),
         RECOMMENDATION("recommendation"),
         SERVICE("service"),
         SOCIAL("social"),
         STATUS("status"),
         SYSTEM("sys"),
         TRANSPORT("transport");

         private final String value;

         Category(String value) {
             this.value = value;
         }

         @Override
         public String toString() {
             return "Category : " + value;
         }
     }

     /**
      * Enum indicating possible priorities in {@link Notification} used from
      * {@link #mPrioritySpinner}.
      */
     //@VisibleForTesting
     static enum Priority {
         DEFAULT(Notification.PRIORITY_DEFAULT),
         MAX(Notification.PRIORITY_MAX),
         HIGH(Notification.PRIORITY_HIGH),
         LOW(Notification.PRIORITY_LOW),
         MIN(Notification.PRIORITY_MIN);

         private final int value;

         Priority(int value) {
             this.value = value;
         }

         @Override
         public String toString() {
             return "Priority : " + name();
         }
     }
 }
	/*
	* Copyright 2014 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 com.example.android.lnotifications;

	import android.app.Activity;
	import android.app.Fragment;
	import android.app.Notification;
	import android.app.NotificationManager;
	import android.content.Context;
	import android.content.Intent;
	import android.database.Cursor;
	import android.graphics.Bitmap;
	import android.graphics.drawable.BitmapDrawable;
	import android.graphics.drawable.Drawable;
	import android.net.Uri;
	import android.os.Bundle;
	import android.provider.ContactsContract;
	import android.provider.MediaStore;
	import android.util.Log;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.view.ViewGroup;
	import android.widget.ArrayAdapter;
	import android.widget.Button;
	import android.widget.ImageView;
	import android.widget.Spinner;
	import android.widget.TextView;
	import android.widget.Toast;

	import java.io.IOException;
	import java.util.Random;

	/**
	* Fragment that demonstrates how to attach metadata introduced in Android L, such as
	* priority data, notification category and person data.
	*/
	public class OtherMetadataFragment extends Fragment {

	private static final String TAG = OtherMetadataFragment.class.getSimpleName();

	/**
	* Request code used for picking a contact.
	*/
	public static final int REQUEST_CODE_PICK_CONTACT = 1;

	/**
	* Incremental Integer used for ID for notifications so that each notification will be
	* treated differently.
	*/
	private Integer mIncrementalNotificationId = Integer.valueOf(0);

	private NotificationManager mNotificationManager;

	/**
	* Button to show a notification.
	*/
	private Button mShowNotificationButton;

	/**
	* Spinner that holds possible categories used for a notification as
	* {@link Notification.Builder#setCategory(String)}.
	*/
	private Spinner mCategorySpinner;

	/**
	* Spinner that holds possible priorities used for a notification as
	* {@link Notification.Builder#setPriority(int)}.
	*/
	private Spinner mPrioritySpinner;

	/**
	* Holds a URI for the person to be attached to the notification.
	*/
	//@VisibleForTesting
	Uri mContactUri;

	/**
	* Use this factory method to create a new instance of
	* this fragment using the provided parameters.
	*
	* @return A new instance of fragment NotificationFragment.
	*/
	public static OtherMetadataFragment newInstance() {
	OtherMetadataFragment fragment = new OtherMetadataFragment();
	fragment.setRetainInstance(true);
	return fragment;
	}

	public OtherMetadataFragment() {
	// Required empty public constructor
	}

	@Override
	public void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	mNotificationManager = (NotificationManager) getActivity().getSystemService(Context
	.NOTIFICATION_SERVICE);
	}

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
	Bundle savedInstanceState) {
	// Inflate the layout for this fragment
	return inflater.inflate(R.layout.fragment_other_metadata, container, false);
	}

	@Override
	public void onViewCreated(View view, Bundle savedInstanceState) {
	super.onViewCreated(view, savedInstanceState);
	mShowNotificationButton = (Button) view.findViewById(R.id.show_notification_button);
	mShowNotificationButton.setOnClickListener(new View.OnClickListener() {
	@Override
	public void onClick(View view) {
	Priority selectedPriority = (Priority) mPrioritySpinner.getSelectedItem();
	Category selectedCategory = (Category) mCategorySpinner.getSelectedItem();
	showNotificationClicked(selectedPriority, selectedCategory, mContactUri);
	}
	});

	mCategorySpinner = (Spinner) view.findViewById(R.id.category_spinner);
	ArrayAdapter<Category> categoryArrayAdapter = new ArrayAdapter<Category>(getActivity(),
	android.R.layout.simple_spinner_item, Category.values());
	categoryArrayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
	mCategorySpinner.setAdapter(categoryArrayAdapter);

	mPrioritySpinner = (Spinner) view.findViewById(R.id.priority_spinner);
	ArrayAdapter<Priority> priorityArrayAdapter = new ArrayAdapter<Priority>(getActivity(),
	android.R.layout.simple_spinner_item, Priority.values());
	priorityArrayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
	mPrioritySpinner.setAdapter(priorityArrayAdapter);

	view.findViewById(R.id.attach_person).setOnClickListener(new View.OnClickListener() {
	@Override
	public void onClick(View view) {
	findContact();
	}
	});

	view.findViewById(R.id.contact_entry).setVisibility(View.GONE);
	}

	@Override
	public void onActivityResult(int requestCode, int resultCode, Intent data) {
	super.onActivityResult(requestCode, resultCode, data);
	switch (requestCode) {
	case REQUEST_CODE_PICK_CONTACT:
	if (resultCode == Activity.RESULT_OK) {
	Uri contactUri = data.getData();
	mContactUri = contactUri;
	updateContactEntryFromUri(contactUri);
	}
	break;
	}
	}

	/**
	* Invoked when {@link #mShowNotificationButton} is clicked.
	* Creates a new notification and sets metadata passed as arguments.
	*
	* @param priority The priority metadata.
	* @param category The category metadata.
	* @param contactUri The URI to be added to the new notification as metadata.
	*
	* @return A Notification instance.
	*/
	//@VisibleForTesting
	Notification createNotification(Priority priority, Category category, Uri contactUri) {
	Notification.Builder notificationBuilder = new Notification.Builder(getActivity())
	.setSmallIcon(R.drawable.ic_launcher_notification)
	.setPriority(priority.value)
	.setCategory(category.value)
	.setContentText(String.format("Category %s, Priority %s", category.value,
	priority.name()));
	if (contactUri != null) {
	notificationBuilder.addPerson(contactUri.toString());
	Bitmap photoBitmap = loadBitmapFromContactUri(contactUri);
	if (photoBitmap != null) {
	notificationBuilder.setLargeIcon(photoBitmap);
	}
	}
	return notificationBuilder.build();
	}

	/**
	* Invoked when {@link #mShowNotificationButton} is clicked.
	* Creates a new notification and sets metadata passed as arguments.
	*
	* @param priority The priority metadata.
	* @param category The category metadata.
	* @param contactUri The URI to be added to the new notification as metadata.
	*/
	private void showNotificationClicked(Priority priority, Category category, Uri contactUri) {
	// Assigns a unique (incremented) notification ID in order to treat each notification as a
	// different one. This helps demonstrate how a priority flag affects ordering.
	mIncrementalNotificationId = new Integer(mIncrementalNotificationId + 1);
	mNotificationManager.notify(mIncrementalNotificationId, createNotification(priority,
	category, contactUri));
	Toast.makeText(getActivity(), "Show Notification clicked", Toast.LENGTH_SHORT).show();
	}

	private void findContact() {
	Intent intent = new Intent(Intent.ACTION_PICK, ContactsContract.Contacts.CONTENT_URI);
	startActivityForResult(intent, REQUEST_CODE_PICK_CONTACT);
	}

	/**
	* Returns a {@link Bitmap} from the Uri specified as the argument.
	*
	* @param contactUri The Uri from which the result Bitmap is created.
	* @return The {@link Bitmap} instance retrieved from the contactUri.
	*/
	private Bitmap loadBitmapFromContactUri(Uri contactUri) {
	if (contactUri == null) {
	return null;
	}
	Bitmap result = null;
	Cursor cursor = getActivity().getContentResolver().query(contactUri, null, null, null,
	null);
	if (cursor != null && cursor.moveToFirst()) {
	int idx = cursor.getColumnIndex(ContactsContract.Contacts.PHOTO_ID);
	String hasPhoto = cursor.getString(idx);
	Uri photoUri = Uri.withAppendedPath(contactUri, ContactsContract.Contacts.Photo
	.CONTENT_DIRECTORY);
	if (hasPhoto != null) {
	try {
	result = MediaStore.Images.Media.getBitmap(getActivity().getContentResolver()
	, photoUri);
	} catch (IOException e) {
	Log.e(TAG, String.format("Failed to load resource. Uri %s", photoUri), e);
	}
	} else {
	Drawable defaultContactDrawable = getActivity().getResources().getDrawable(R
	.drawable.ic_contact_picture);
	result = ((BitmapDrawable) defaultContactDrawable).getBitmap();
	}
	}
	return result;
	}

	/**
	* Updates the Contact information on the screen when a contact is picked.
	*
	* @param contactUri The Uri from which the contact is retrieved.
	*/
	private void updateContactEntryFromUri(Uri contactUri) {
	Cursor cursor = getActivity().getContentResolver().query(contactUri, null, null, null,
	null);
	if (cursor != null && cursor.moveToFirst()) {
	int idx = cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME);
	String name = cursor.getString(idx);
	idx = cursor.getColumnIndex(ContactsContract.Contacts.PHOTO_ID);
	String hasPhoto = cursor.getString(idx);

	Uri photoUri = Uri.withAppendedPath(contactUri, ContactsContract.Contacts.Photo
	.CONTENT_DIRECTORY);
	ImageView contactPhoto = (ImageView) getActivity().findViewById(R.id.contact_photo);
	if (hasPhoto != null) {
	contactPhoto.setImageURI(photoUri);
	} else {
	Drawable defaultContactDrawable = getActivity().getResources().getDrawable(R
	.drawable.ic_contact_picture);
	contactPhoto.setImageDrawable(defaultContactDrawable);
	}
	TextView contactName = (TextView) getActivity().findViewById(R.id.contact_name);
	contactName.setText(name);

	getActivity().findViewById(R.id.contact_entry).setVisibility(View.VISIBLE);
	getActivity().findViewById(R.id.attach_person).setVisibility(View.GONE);
	getActivity().findViewById(R.id.click_to_change).setOnClickListener(new View.OnClickListener() {
	@Override
	public void onClick(View view) {
	findContact();
	}
	});
	Log.i(TAG, String.format("Contact updated. Name %s, PhotoUri %s", name, photoUri));
	}
	}

	/**
	* Enum indicating possible categories in {@link Notification} used from
	* {@link #mCategorySpinner}.
	*/
	//@VisibleForTesting
	static enum Category {
	ALARM("alarm"),
	CALL("call"),
	EMAIL("email"),
	ERROR("err"),
	EVENT("event"),
	MESSAGE("msg"),
	PROGRESS("progress"),
	PROMO("promo"),
	RECOMMENDATION("recommendation"),
	SERVICE("service"),
	SOCIAL("social"),
	STATUS("status"),
	SYSTEM("sys"),
	TRANSPORT("transport");

	private final String value;

	Category(String value) {
	this.value = value;
	}

	@Override
	public String toString() {
	return "Category : " + value;
	}
	}

	/**
	* Enum indicating possible priorities in {@link Notification} used from
	* {@link #mPrioritySpinner}.
	*/
	//@VisibleForTesting
	static enum Priority {
	DEFAULT(Notification.PRIORITY_DEFAULT),
	MAX(Notification.PRIORITY_MAX),
	HIGH(Notification.PRIORITY_HIGH),
	LOW(Notification.PRIORITY_LOW),
	MIN(Notification.PRIORITY_MIN);

	private final int value;

	Priority(int value) {
	this.value = value;
	}

	@Override
	public String toString() {
	return "Priority : " + name();
	}
	}
	}