Boloutare Doubeni - Email App

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 23
+    buildToolsVersion "23.0.2"
+
+    defaultConfig {
+        applicationId "com.boloutaredoubeni.emailapp"
+        minSdkVersion 16
+        targetSdkVersion 23
+        versionCode 1
+        versionName "1.0"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+    dataBinding {
+        enabled = true
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    testCompile 'junit:junit:4.12'
+    compile 'com.android.support:appcompat-v7:23.2.0'
+    compile 'com.android.support:design:23.2.0'
+    compile 'com.google.android.gms:play-services-identity:8.4.0'
+    compile('com.google.api-client:google-api-client-android:1.20.0') {
+        exclude group: 'org.apache.httpcomponents'
+    }
+    compile('com.google.apis:google-api-services-gmail:v1-rev29-1.20.0') {
+        exclude group: 'org.apache.httpcomponents'
+    }
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /usr/local/opt/android-sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}

app/src/androidTest/java/com/boloutaredoubeni/emailapp/ApplicationTest.java

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+package com.boloutaredoubeni.emailapp;
+
+import android.app.Application;
+import android.test.ApplicationTestCase;
+
+/**
+ * <a href="http://d.android.com/tools/testing/testing_android.html">Testing
+ * Fundamentals</a>
+ */
+public class ApplicationTest extends ApplicationTestCase<Application> {
+  public ApplicationTest() { super(Application.class); }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest package="com.boloutaredoubeni.emailapp"
+          xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
+    <uses-permission android:name="android.permission.GET_ACCOUNTS"/>
+    <uses-permission android:name="android.permission.MANAGE_ACCOUNTS"/>
+    <uses-permission android:name="android.permission.USE_CREDENTIALS"/>
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity
+            android:name=".activities.MainActivity"
+            android:label="@string/app_name"
+            android:screenOrientation="user"
+            android:theme="@style/AppTheme.NoActionBar">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+
+        <meta-data
+            android:name="com.google.android.gms.version"
+            android:value="@integer/google_play_services_version"/>
+
+        <activity
+            android:name=".activities.EmailDetailActivity"
+            android:parentActivityName=".activities.MainActivity">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value=".activities.MainActivity"/>
+        </activity>
+        <activity android:name=".activities.ComposeEmailActivity"
+            android:parentActivityName=".activities.MainActivity">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value=".activities.MainActivity"/>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/com/boloutaredoubeni/emailapp/EmailApplication.java

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+package com.boloutaredoubeni.emailapp;
+
+import android.app.Application;
+
+import com.google.api.services.gmail.GmailScopes;
+
+/**
+ * Copyright 2016 Boloutare Doubeni
+ */
+public class EmailApplication extends Application {
+  public static final String PREF_ACCOUNT_NAME = "accountName";
+  private static final String[] SCOPES = {GmailScopes.GMAIL_COMPOSE, GmailScopes.GMAIL_READONLY};
+
+  public static String[] getScopes() { return SCOPES; }
+}

app/src/main/java/com/boloutaredoubeni/emailapp/activities/ComposeEmailActivity.java

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+package com.boloutaredoubeni.emailapp.activities;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.databinding.DataBindingUtil;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import android.widget.Toast;
+
+import com.boloutaredoubeni.emailapp.EmailApplication;
+import com.boloutaredoubeni.emailapp.R;
+import com.boloutaredoubeni.emailapp.databinding.ActivityComposeEmailBinding;
+import com.boloutaredoubeni.emailapp.models.Email;
+import com.boloutaredoubeni.emailapp.viewmodels.EmailViewModel;
+import com.google.api.client.extensions.android.http.AndroidHttp;
+import com.google.api.client.googleapis.extensions.android.gms.auth.GoogleAccountCredential;
+import com.google.api.client.http.HttpTransport;
+import com.google.api.client.json.JsonFactory;
+import com.google.api.client.json.jackson2.JacksonFactory;
+import com.google.api.client.util.ExponentialBackOff;
+import com.google.api.services.gmail.model.Message;
+
+import java.io.IOException;
+import java.util.Arrays;
+
+/**
+ * An activity for composing emails
+ * This activity should navigable from the main activity and from a reply action
+ */
+public class ComposeEmailActivity extends AppCompatActivity {
+
+  private GoogleAccountCredential mCredential;
+  private EmailViewModel mViewModel;
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    SharedPreferences settings = getPreferences(Context.MODE_PRIVATE);
+    mCredential =
+        GoogleAccountCredential.usingOAuth2(
+                                   getApplicationContext(),
+                                   Arrays.asList(EmailApplication.getScopes()))
+            .setBackOff(new ExponentialBackOff())
+            .setSelectedAccountName(
+                settings.getString(EmailApplication.PREF_ACCOUNT_NAME, null));
+
+    ActivityComposeEmailBinding binding =
+        DataBindingUtil.setContentView(this, R.layout.activity_compose_email);
+    mViewModel = new EmailViewModel();
+    binding.setVm(mViewModel);
+    binding.emailEdit.addTextChangedListener(mViewModel.toFieldWatcher);
+    binding.subjectEdit.addTextChangedListener(mViewModel.subjectWatcher);
+    binding.bodyEdit.addTextChangedListener(mViewModel.bodyWatcher);
+  }
+
+  public void onSendEmail(View v) {
+    Email email = mViewModel.emitEmail();
+    if (email.isValid()) {
+      new SendEmailTask(mCredential).execute(email);
+      return;
+    }
+    Toast.makeText(this, "Something ain't right", Toast.LENGTH_SHORT).show();
+  }
+
+  /**
+   * Send a user email to the correct recipient, for now It should only support
+   * starting a new email thread
+   */
+  public class SendEmailTask extends AsyncTask<Email, Void, Void> {
+    private com.google.api.services.gmail.Gmail mService = null;
+    private Exception mLastError = null;
+
+    public SendEmailTask(GoogleAccountCredential credential) {
+      HttpTransport transport = AndroidHttp.newCompatibleTransport();
+      JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();
+      mService = new com.google.api.services.gmail.Gmail.Builder(transport,
+                                                                 jsonFactory,
+                                                                 credential)
+                     .setApplicationName("Email App")
+                     .build();
+    }
+
+    @Override
+    protected Void doInBackground(Email... params) {
+      try {
+        sendEmail(params[0]);
+      } catch (IOException e) {
+        mLastError = e;
+        cancel(true);
+        mLastError.printStackTrace();
+      } finally {
+        return null;
+      }
+    }
+
+    @Override
+    protected void onPostExecute(Void aVoid) {
+      super.onPostExecute(aVoid);
+      Toast.makeText(ComposeEmailActivity.this, "Email sent!!!",
+                     Toast.LENGTH_SHORT)
+          .show();
+    }
+
+    @Override
+    protected void onCancelled() {
+      // TODO: implement me
+    }
+
+    private void sendEmail(Email email) throws IOException {
+      String user = "me";
+      Message message = Email.createMessageFrom(email);
+      message = mService.users().messages().send(user, message).execute();
+    }
+  }
+}

app/src/main/java/com/boloutaredoubeni/emailapp/activities/EmailDetailActivity.java

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+package com.boloutaredoubeni.emailapp.activities;
+
+import android.content.res.Configuration;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+
+import com.boloutaredoubeni.emailapp.fragments.EmailDetailFragment;
+
+public class EmailDetailActivity extends AppCompatActivity {
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+
+    if (getResources().getConfiguration().orientation ==
+        Configuration.ORIENTATION_LANDSCAPE) {
+      finish();
+      return;
+    }
+
+    if (savedInstanceState == null) {
+      EmailDetailFragment fragment = new EmailDetailFragment();
+      fragment.setArguments(getIntent().getExtras());
+      getSupportFragmentManager()
+          .beginTransaction()
+          .add(android.R.id.content, fragment)
+          .commit();
+    }
+  }
+}