Home | History | Annotate | Download | only in sharingshortcuts 
      1 /*
      2  * Copyright (C) 2019 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.example.android.sharingshortcuts;
     18 
     19 import android.app.Activity;
     20 import android.content.Intent;
     21 import android.os.Build;
     22 import android.os.Bundle;
     23 import android.view.View;
     24 import android.widget.TextView;
     25 import android.widget.Toast;
     26 
     27 /**
     28  * Provides the UI for sharing a text with a {@link Contact}.
     29  */
     30 public class SendMessageActivity extends Activity {
     31 
     32     /**
     33      * The request code for {@link SelectContactActivity}. This is used when the user doesn't
     34      * select any of Direct Share icons.
     35      */
     36     private static final int REQUEST_SELECT_CONTACT = 1;
     37 
     38     /**
     39      * The text to share.
     40      */
     41     private String mBody;
     42 
     43     /**
     44      * The ID of the contact to share the text with.
     45      */
     46     private int mContactId;
     47 
     48     // View references.
     49     private TextView mTextContactName;
     50     private TextView mTextMessageBody;
     51 
     52     @Override
     53     protected void onCreate(Bundle savedInstanceState) {
     54         super.onCreate(savedInstanceState);
     55         setContentView(R.layout.activity_send_message);
     56         setTitle(R.string.sending_message);
     57         // View references.
     58         mTextContactName = findViewById(R.id.contact_name);
     59         mTextMessageBody = findViewById(R.id.message_body);
     60         // Handle the share Intent.
     61         boolean handled = handleIntent(getIntent());
     62         if (!handled) {
     63             finish();
     64             return;
     65         }
     66         // Bind event handlers.
     67         findViewById(R.id.send).setOnClickListener(mOnClickListener);
     68         // Set up the UI.
     69         prepareUi();
     70         // The contact ID will not be passed on when the user clicks on the app icon rather than any
     71         // of the Direct Share icons. In this case, we show another dialog for selecting a contact.
     72         if (mContactId == Contact.INVALID_ID) {
     73             selectContact();
     74         }
     75     }
     76 
     77     @Override
     78     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
     79         switch (requestCode) {
     80             case REQUEST_SELECT_CONTACT:
     81                 if (resultCode == RESULT_OK) {
     82                     mContactId = data.getIntExtra(Contact.ID, Contact.INVALID_ID);
     83                 }
     84                 // Give up sharing the send_message if the user didn't choose a contact.
     85                 if (mContactId == Contact.INVALID_ID) {
     86                     finish();
     87                     return;
     88                 }
     89                 prepareUi();
     90                 break;
     91             default:
     92                 super.onActivityResult(requestCode, resultCode, data);
     93         }
     94     }
     95 
     96     /**
     97      * Handles the passed {@link Intent}. This method can only handle intents for sharing a plain
     98      * text. {@link #mBody} and {@link #mContactId} are modified accordingly.
     99      *
    100      * @param intent The {@link Intent}.
    101      * @return true if the {@code intent} is handled properly.
    102      */
    103     private boolean handleIntent(Intent intent) {
    104         if (Intent.ACTION_SEND.equals(intent.getAction())
    105                 && "text/plain".equals(intent.getType())) {
    106             mBody = intent.getStringExtra(Intent.EXTRA_TEXT);
    107             // The intent comes from Direct share
    108             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P
    109                     && intent.hasExtra(Intent.EXTRA_SHORTCUT_ID)) {
    110                 String shortcutId = intent.getStringExtra(Intent.EXTRA_SHORTCUT_ID);
    111                 mContactId = Integer.valueOf(shortcutId);
    112             } else {
    113                 // The text was shared and the user chose our app
    114                 mContactId = Contact.INVALID_ID;
    115             }
    116             return true;
    117         }
    118         return false;
    119     }
    120 
    121     /**
    122      * Sets up the UI.
    123      */
    124     private void prepareUi() {
    125         if (mContactId != Contact.INVALID_ID) {
    126             Contact contact = Contact.byId(mContactId);
    127             ContactViewBinder.bind(contact, mTextContactName);
    128         }
    129         mTextMessageBody.setText(mBody);
    130     }
    131 
    132     /**
    133      * Delegates selection of a {@Contact} to {@link SelectContactActivity}.
    134      */
    135     private void selectContact() {
    136         Intent intent = new Intent(this, SelectContactActivity.class);
    137         intent.setAction(SelectContactActivity.ACTION_SELECT_CONTACT);
    138         startActivityForResult(intent, REQUEST_SELECT_CONTACT);
    139     }
    140 
    141     private View.OnClickListener mOnClickListener = new View.OnClickListener() {
    142         @Override
    143         public void onClick(View view) {
    144             switch (view.getId()) {
    145                 case R.id.send:
    146                     send();
    147                     break;
    148             }
    149         }
    150     };
    151 
    152     /**
    153      * Pretends to send the text to the contact. This only shows a dummy message.
    154      */
    155     private void send() {
    156         Toast.makeText(this,
    157                 getString(R.string.message_sent, mBody, Contact.byId(mContactId).getName()),
    158                 Toast.LENGTH_SHORT).show();
    159         finish();
    160     }
    161 
    162 }
    163