diff --git a/app/build.gradle b/app/build.gradle
index 31ba3ae..882ca11 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -3,7 +3,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8'
+
     }
 }
 repositories {
@@ -13,7 +13,6 @@ repositories {
     maven { url "http://dl.bintray.com/piasy/maven" }
 }
 apply plugin: 'com.android.application'
-apply plugin: 'com.neenbedankt.android-apt'
 
 def dbflow_version = "4.0.0-beta2"
 def ciName = isEmpty(System.getenv("TRAVIS_TAG")) ? "Staging" : System.getenv("TRAVIS_TAG")
@@ -33,7 +32,7 @@ android {
         }
     }
     compileSdkVersion 25
-    buildToolsVersion "25.0.2"
+    buildToolsVersion '26.0.2'
     defaultConfig {
         applicationId "com.leanote.android"
         minSdkVersion 19
@@ -76,12 +75,12 @@ dependencies {
     compile 'com.android.support:cardview-v7:25.3.0'
 
     compile 'com.jakewharton:butterknife:8.4.0'
-    apt 'com.jakewharton:butterknife-compiler:8.4.0'
+    annotationProcessor 'com.jakewharton:butterknife-compiler:8.4.0'
 
     compile group: 'com.squareup.okhttp3', name: 'logging-interceptor', version: '3.4.1'
     compile group: 'com.squareup.retrofit2', name: 'adapter-rxjava', version: '2.1.0'
 
-    apt "com.github.Raizlabs.DBFlow:dbflow-processor:${dbflow_version}"
+    annotationProcessor "com.github.Raizlabs.DBFlow:dbflow-processor:${dbflow_version}"
     compile "com.github.Raizlabs.DBFlow:dbflow-core:${dbflow_version}"
     compile "com.github.Raizlabs.DBFlow:dbflow:${dbflow_version}"
 
@@ -107,4 +106,5 @@ dependencies {
     compile 'com.github.piasy:GlideImageLoader:1.2.5'
     compile 'com.weiwangcn.betterspinner:library-material:1.1.0'
 
+    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
 }
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index c039a6e..29cac41 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -8,7 +8,6 @@
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.WRITE_INTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
-
     <uses-permission android:name="android.permission.READ_PHONE_STATE" />
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
 
@@ -51,7 +50,9 @@
             android:screenOrientation="portrait"
             android:label="@string/about" />
         <activity
-            android:name=".ui.PictureViewerActivity" android:screenOrientation="portrait" />
+            android:name=".ui.PictureViewerActivity"
+            android:label="@string/edit"
+            android:screenOrientation="portrait" />
 
         <service
             android:name=".background.NoteSyncService"
@@ -72,9 +73,29 @@
             android:grantUriPermissions="true">
             <meta-data
                 android:name="android.support.FILE_PROVIDER_PATHS"
-                android:resource="@xml/provider_paths"/>
+                android:resource="@xml/provider_paths" />
         </provider>
 
+        <receiver
+            android:name=".appwidget.NoteAppWidget"
+            android:icon="@drawable/ic_add"
+            android:label="@string/app_name">
+            <intent-filter>
+                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
+            </intent-filter>
+
+            <meta-data
+                android:name="android.appwidget.provider"
+                android:resource="@xml/widget_provider" />
+        </receiver>
+
+        <service
+            android:name=".appwidget.WidgetService"
+            android:permission="android.permission.BIND_REMOTEVIEWS" />
+
+        <activity android:name=".appwidget.RedirActivity"
+            android:screenOrientation="portrait"
+            android:theme="@android:style/Theme.NoDisplay"/>
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/java/org/houxg/leamonax/appwidget/AppWidgetViewsFactory.java b/app/src/main/java/org/houxg/leamonax/appwidget/AppWidgetViewsFactory.java
new file mode 100644
index 0000000..0ade0c5
--- /dev/null
+++ b/app/src/main/java/org/houxg/leamonax/appwidget/AppWidgetViewsFactory.java
@@ -0,0 +1,108 @@
+package org.houxg.leamonax.appwidget;
+
+import android.appwidget.AppWidgetManager;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.widget.RemoteViews;
+import android.widget.RemoteViewsService;
+
+import org.houxg.leamonax.R;
+import org.houxg.leamonax.database.NoteDataStore;
+import org.houxg.leamonax.model.Account;
+import org.houxg.leamonax.model.Note;
+import org.houxg.leamonax.ui.NotePreviewActivity;
+
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+public class AppWidgetViewsFactory implements RemoteViewsService.RemoteViewsFactory {
+    private Context ctxt=null;
+    private int appWidgetId;
+    private List<Note> allNotes;
+
+    public AppWidgetViewsFactory(Context ctxt, Intent intent) {
+        this.ctxt=ctxt;
+        appWidgetId=intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID,
+                                        AppWidgetManager.INVALID_APPWIDGET_ID);
+
+        allNotes = NoteDataStore.getAllNotes(Account.getCurrent().getUserId());
+        Collections.sort(allNotes, new Comparator<Note>() {
+            @Override
+            public int compare(Note o1, Note o2) {
+                String temp1=o1.getUpdatedTimeVal()+"";
+                String temp2=o2.getUpdatedTimeVal()+"";
+                return temp2.compareTo(temp1);
+            }
+        });
+        if(allNotes.size()>30){
+            allNotes=allNotes.subList(0,30);
+        }
+    }
+    
+
+    @Override
+    public void onCreate() {
+        // no-op
+    }
+
+    @Override
+    public void onDestroy() {
+        // no-op
+    }
+
+    @Override
+    public int getCount() {
+        return(allNotes.size());
+    }
+
+    @Override
+    public RemoteViews getViewAt(int position) {
+        RemoteViews row=new RemoteViews(ctxt.getPackageName(),
+                                     R.layout.note_app_widget_row);
+        row.setTextViewText(R.id.appwidget_row_title, allNotes.get(position).getTitle());
+        String textTemp="";
+        if(allNotes.get(position).getContent().length()>200){
+            textTemp=allNotes.get(position).getContent().substring(0,200)+"...";
+        }else {
+            textTemp=allNotes.get(position).getContent();
+
+        }
+        row.setTextViewText(R.id.appwidget_row_text, textTemp);
+
+        Intent intent=new Intent();
+
+        Bundle extras=new Bundle();
+        extras.putLong(NotePreviewActivity.EXT_NOTE_LOCAL_ID, allNotes.get(position).getId());
+        intent.putExtras(extras);
+
+        row.setOnClickFillInIntent(R.id.widget_note, intent);
+        return(row);
+    }
+
+    @Override
+    public RemoteViews getLoadingView() {
+        return(null);
+    }
+
+    @Override
+    public int getViewTypeCount() {
+        return(1);
+    }
+
+    @Override
+    public long getItemId(int position) {
+        return(position);
+    }
+
+    @Override
+    public boolean hasStableIds() {
+        return(true);
+    }
+
+    @Override
+    public void onDataSetChanged() {
+        // no-op
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/org/houxg/leamonax/appwidget/NoteAppWidget.java b/app/src/main/java/org/houxg/leamonax/appwidget/NoteAppWidget.java
new file mode 100644
index 0000000..066e72c
--- /dev/null
+++ b/app/src/main/java/org/houxg/leamonax/appwidget/NoteAppWidget.java
@@ -0,0 +1,92 @@
+package org.houxg.leamonax.appwidget;
+
+import android.app.PendingIntent;
+import android.appwidget.AppWidgetManager;
+import android.appwidget.AppWidgetProvider;
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.util.Log;
+import android.widget.RemoteViews;
+
+import org.houxg.leamonax.R;
+
+public class NoteAppWidget extends AppWidgetProvider {
+
+    private int widgetIds[];
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        super.onReceive(context, intent);
+        Log.i("debug!!!!!!!!!!!!!!!!","接收到广播");
+//        abortBroadcast();
+//        for (int i=0;i<widgetIds.length;i++){
+//            Intent svcIntent=new Intent(context, WidgetService.class);
+//            RemoteViews widget=new RemoteViews(context.getPackageName(),
+//                    R.layout.note_app_widget);
+//
+//            widget.setRemoteAdapter(widgetIds[i], R.id.words,
+//                    svcIntent);
+//
+//            Intent clickIntent=new Intent(context, RedirActivity.class);
+//            PendingIntent clickPI=PendingIntent
+//                    .getActivity(context, 0,
+//                            clickIntent,
+//                            PendingIntent.FLAG_UPDATE_CURRENT);
+//
+//            widget.setPendingIntentTemplate(R.id.words, clickPI);
+//
+//            AppWidgetManager.getInstance(context).updateAppWidget(widgetIds[i], widget);
+//
+//        }
+    }
+
+    @Override
+    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
+        widgetIds=appWidgetIds;
+        for (int i=0; i<appWidgetIds.length; i++) {
+            Intent svcIntent=new Intent(context, WidgetService.class);
+
+            svcIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetIds[i]);
+            svcIntent.setData(Uri.parse(svcIntent.toUri(Intent.URI_INTENT_SCHEME)));
+
+            RemoteViews widget=new RemoteViews(context.getPackageName(),
+                    R.layout.note_app_widget);
+
+            widget.setRemoteAdapter(appWidgetIds[i], R.id.words,
+                    svcIntent);
+
+            Intent clickIntent=new Intent(context, RedirActivity.class);
+            PendingIntent clickPI=PendingIntent
+                    .getActivity(context, 0,
+                            clickIntent,
+                            PendingIntent.FLAG_UPDATE_CURRENT);
+
+            widget.setPendingIntentTemplate(R.id.words, clickPI);
+
+//            Intent i=new Intent(ctxt,NotePreviewActivity.class);
+//            i.putExtra(NotePreviewActivity.EXT_NOTE_LOCAL_ID, allNotes.get(position).getId());
+//            row.setOnClickFillInIntent(R.id.widget_note, i);
+
+            appWidgetManager.updateAppWidget(appWidgetIds[i], widget);
+        }
+        super.onUpdate(context, appWidgetManager, appWidgetIds);
+    }
+
+    @Override
+    public void onDeleted(Context context, int[] appWidgetIds) {
+        // When the user deletes the widget, delete the preference associated with it.
+
+    }
+
+    @Override
+    public void onEnabled(Context context) {
+        // Enter relevant functionality for when the first widget is created
+    }
+
+    @Override
+    public void onDisabled(Context context) {
+        // Enter relevant functionality for when the last widget is disabled
+    }
+}
+
diff --git a/app/src/main/java/org/houxg/leamonax/appwidget/NoteAppWidgetConfigureActivity.java b/app/src/main/java/org/houxg/leamonax/appwidget/NoteAppWidgetConfigureActivity.java
new file mode 100644
index 0000000..963c333
--- /dev/null
+++ b/app/src/main/java/org/houxg/leamonax/appwidget/NoteAppWidgetConfigureActivity.java
@@ -0,0 +1,108 @@
+package org.houxg.leamonax.appwidget;
+
+import android.app.Activity;
+import android.appwidget.AppWidgetManager;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.EditText;
+
+import org.houxg.leamonax.R;
+
+
+/**
+ * The configuration screen for the {@link NoteAppWidget NoteAppWidget} AppWidget.
+ */
+public class NoteAppWidgetConfigureActivity extends Activity {
+
+    private static final String PREFS_NAME = "org.houxg.leamonax.appwidget.NoteAppWidget";
+    private static final String PREF_PREFIX_KEY = "appwidget_";
+    int mAppWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID;
+    EditText mAppWidgetText;
+    View.OnClickListener mOnClickListener = new View.OnClickListener() {
+        public void onClick(View v) {
+            final Context context = NoteAppWidgetConfigureActivity.this;
+
+            // 单击按钮的时候，字符串存储在本地
+            String widgetText = mAppWidgetText.getText().toString();
+//            saveTitlePref(context, mAppWidgetId, widgetText);
+
+            // 更新app小部件是配置活动的职责
+            // It is the responsibility of the configuration activity to update the app widget
+            AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);
+            NoteAppWidget.updateAppWidget(context, appWidgetManager, mAppWidgetId);
+
+            // 确保我们将原始应用程序小部件Id传回
+            // Make sure we pass back the original appWidgetId
+            Intent resultValue = new Intent();
+            resultValue.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, mAppWidgetId);
+            setResult(RESULT_OK, resultValue);
+            finish();
+        }
+    };
+
+    public NoteAppWidgetConfigureActivity() {
+        super();
+    }
+
+    // 存储在本地的字符串对象
+    // Write the prefix to the SharedPreferences object for this widget
+    static void saveTitlePref(Context context, int appWidgetId, String text) {
+        SharedPreferences.Editor prefs = context.getSharedPreferences(PREFS_NAME, 0).edit();
+        prefs.putString(PREF_PREFIX_KEY + appWidgetId, text);
+        prefs.apply();
+    }
+
+    // 从共享首选项对象中读取这个小部件的前缀。
+    // 如果没有保存的首选项，则从资源中获取默认值
+    // Read the prefix from the SharedPreferences object for this widget.
+    // If there is no preference saved, get the default from a resource
+    static String loadTitlePref(Context context, int appWidgetId) {
+        SharedPreferences prefs = context.getSharedPreferences(PREFS_NAME, 0);
+        String titleValue = prefs.getString(PREF_PREFIX_KEY + appWidgetId, null);
+        if (titleValue != null) {
+            return titleValue;
+        } else {
+            return context.getString(R.string.appwidget_text);
+        }
+    }
+
+    //在删除部件的时候删除sp里面的存储
+    static void deleteTitlePref(Context context, int appWidgetId) {
+        SharedPreferences.Editor prefs = context.getSharedPreferences(PREFS_NAME, 0).edit();
+        prefs.remove(PREF_PREFIX_KEY + appWidgetId);
+        prefs.apply();
+    }
+
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+
+        // Set the result to CANCELED.  This will cause the widget host to cancel
+        // out of the widget placement if the user presses the back button.
+        setResult(RESULT_CANCELED);
+
+        setContentView(R.layout.note_app_widget_configure);
+        mAppWidgetText = (EditText) findViewById(R.id.appwidget_text);
+        findViewById(R.id.add_button).setOnClickListener(mOnClickListener);
+
+        // Find the widget id from the intent.
+        Intent intent = getIntent();
+        Bundle extras = intent.getExtras();
+        if (extras != null) {
+            mAppWidgetId = extras.getInt(
+                    AppWidgetManager.EXTRA_APPWIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);
+        }
+
+        // If this activity was started with an intent without an app widget ID, finish with an error.
+        if (mAppWidgetId == AppWidgetManager.INVALID_APPWIDGET_ID) {
+            finish();
+            return;
+        }
+
+        mAppWidgetText.setText(loadTitlePref(NoteAppWidgetConfigureActivity.this, mAppWidgetId));
+    }
+}
+
diff --git a/app/src/main/java/org/houxg/leamonax/appwidget/RedirActivity.java b/app/src/main/java/org/houxg/leamonax/appwidget/RedirActivity.java
new file mode 100644
index 0000000..5dedcd8
--- /dev/null
+++ b/app/src/main/java/org/houxg/leamonax/appwidget/RedirActivity.java
@@ -0,0 +1,32 @@
+package org.houxg.leamonax.appwidget;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.widget.Toast;
+
+import org.houxg.leamonax.ui.NotePreviewActivity;
+
+public class RedirActivity extends Activity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        Long word=getIntent().getLongExtra(NotePreviewActivity.EXT_NOTE_LOCAL_ID,-1);
+
+        Intent intent=new Intent(RedirActivity.this,NotePreviewActivity.class);
+        Bundle bundle=new Bundle();
+
+        if(word==-1){
+            Toast.makeText(this, "笔记编号错误", Toast.LENGTH_LONG).show();
+        }else {
+            bundle.putLong(NotePreviewActivity.EXT_NOTE_LOCAL_ID,word);
+            intent.putExtras(bundle);
+            startActivity(intent);
+        }
+
+        finish();
+
+    }
+}
diff --git a/app/src/main/java/org/houxg/leamonax/appwidget/WidgetService.java b/app/src/main/java/org/houxg/leamonax/appwidget/WidgetService.java
new file mode 100644
index 0000000..3a735a1
--- /dev/null
+++ b/app/src/main/java/org/houxg/leamonax/appwidget/WidgetService.java
@@ -0,0 +1,12 @@
+package org.houxg.leamonax.appwidget;
+
+import android.content.Intent;
+import android.widget.RemoteViewsService;
+
+public class WidgetService extends RemoteViewsService {
+  @Override
+  public RemoteViewsFactory onGetViewFactory(Intent intent) {
+    return(new AppWidgetViewsFactory(this.getApplicationContext(),
+                                 intent));
+  }
+}
\ No newline at end of file
diff --git a/app/src/main/java/org/houxg/leamonax/ui/LaunchActivity.java b/app/src/main/java/org/houxg/leamonax/ui/LaunchActivity.java
index cb70c34..f4276d7 100644
--- a/app/src/main/java/org/houxg/leamonax/ui/LaunchActivity.java
+++ b/app/src/main/java/org/houxg/leamonax/ui/LaunchActivity.java
@@ -38,7 +38,7 @@ public class LaunchActivity extends Activity {
             }else {
                 AlertDialog.Builder builder=new AlertDialog.Builder(LaunchActivity.this);
                 builder.setMessage(getString(R.string.permission_get_description));
-                builder.setTitle(getString(R.string.permission_denied));
+                builder.setTitle(getString(R.string.permission_get));
                 builder.setPositiveButton(getString(R.string.allow), new DialogInterface.OnClickListener() {
                     @Override
                     public void onClick(DialogInterface dialog, int which) {
@@ -129,7 +129,8 @@ public class LaunchActivity extends Activity {
                     if(hasPermission(Manifest.permission.CAMERA ,
                             Manifest.permission.WRITE_EXTERNAL_STORAGE ,
                             Manifest.permission.READ_EXTERNAL_STORAGE ,
-                            Manifest.permission.READ_PHONE_STATE )){
+                            Manifest.permission.READ_PHONE_STATE
+                    )){
                         doAfterGetPermission();
                     }else {
                         Toast.makeText(LaunchActivity.this,getString(R.string.permission_get_error),Toast.LENGTH_SHORT).show();
diff --git a/app/src/main/java/org/houxg/leamonax/ui/edit/NoteEditActivity.java b/app/src/main/java/org/houxg/leamonax/ui/edit/NoteEditActivity.java
index 6e9a95d..46e6a00 100644
--- a/app/src/main/java/org/houxg/leamonax/ui/edit/NoteEditActivity.java
+++ b/app/src/main/java/org/houxg/leamonax/ui/edit/NoteEditActivity.java
@@ -108,6 +108,14 @@ public class NoteEditActivity extends BaseActivity implements EditorFragment.Edi
         return super.onCreateOptionsMenu(menu);
     }
 
+    @Override
+    protected void onDestroy() {
+        Intent intent = new Intent();
+        intent.setAction("android.appwidget.action.APPWIDGET_UPDATE");
+        this.sendBroadcast(intent);
+        super.onDestroy();
+    }
+
     @Override
     public boolean onOptionsItemSelected(final MenuItem item) {
         switch (item.getItemId()) {
diff --git a/app/src/main/res/drawable-nodpi/example_appwidget_preview.png b/app/src/main/res/drawable-nodpi/example_appwidget_preview.png
new file mode 100644
index 0000000..894b069
Binary files /dev/null and b/app/src/main/res/drawable-nodpi/example_appwidget_preview.png differ
diff --git a/app/src/main/res/drawable-v21/ripple_bg.xml b/app/src/main/res/drawable-v21/ripple_bg.xml
new file mode 100644
index 0000000..155613f
--- /dev/null
+++ b/app/src/main/res/drawable-v21/ripple_bg.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ripple xmlns:android="http://schemas.android.com/apk/res/android"
+    android:color="#c9c9c9">
+    <item>
+        <shape android:shape="rectangle">
+            <solid android:color="#FFFFFF" />
+            <corners android:radius="0dp" />
+        </shape>
+    </item>
+    <item android:drawable="@drawable/rounded_corners" />
+</ripple>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/rounded_corners.xml b/app/src/main/res/drawable/rounded_corners.xml
new file mode 100644
index 0000000..210728a
--- /dev/null
+++ b/app/src/main/res/drawable/rounded_corners.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="#FFFFFF" />
+    <corners android:radius="4dp" />
+</shape>
\ No newline at end of file
diff --git a/app/src/main/res/layout/note_app_widget.xml b/app/src/main/res/layout/note_app_widget.xml
new file mode 100644
index 0000000..4d1b762
--- /dev/null
+++ b/app/src/main/res/layout/note_app_widget.xml
@@ -0,0 +1,63 @@
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+         xmlns:app="http://schemas.android.com/apk/res-auto"
+         xmlns:tools="http://schemas.android.com/tools"
+         android:id="@+id/relativeLayout"
+         android:layout_width="match_parent"
+         android:layout_height="match_parent"
+         android:background="@color/transparent"
+         android:padding="@dimen/widget_margin">
+
+        <RelativeLayout
+            android:id="@+id/title_layout_widget"
+            android:layout_width="match_parent"
+            android:layout_height="48dp"
+            android:background="@color/colorPrimary"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            android:paddingStart="5dp"
+            android:paddingEnd="10dp"
+            >
+
+            <ImageView
+                android:id="@+id/widget_top_icon"
+                android:layout_width="30dp"
+                android:layout_height="30dp"
+                android:layout_alignParentStart="true"
+                android:layout_centerVertical="true"
+                android:background="@drawable/ic_launcher" />
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_toEndOf="@id/widget_top_icon"
+                android:layout_centerVertical="true"
+                android:text="@string/app_name"
+                android:textColor="@color/white"
+                android:textSize="18sp"
+                tools:ignore="NotSibling" />
+
+
+            <TextView
+                android:id="@+id/textView"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_centerVertical="true"
+                android:layout_alignParentEnd="true"
+                android:text="@string/recent_notes"
+                android:textColor="@color/white"
+                android:textSize="14sp"
+                tools:ignore="NotSibling" />
+
+        </RelativeLayout>
+
+    <ListView xmlns:android="http://schemas.android.com/apk/res/android"
+        android:id="@+id/words"
+        android:divider="@null"
+        android:layout_marginTop="2dp"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_alignParentStart="true"
+        android:layout_below="@+id/title_layout_widget"
+        android:background="@color/transparent"/>
+
+</RelativeLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/note_app_widget_configure.xml b/app/src/main/res/layout/note_app_widget_configure.xml
new file mode 100644
index 0000000..d625c16
--- /dev/null
+++ b/app/src/main/res/layout/note_app_widget_configure.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              android:layout_width="match_parent"
+              android:layout_height="wrap_content"
+              android:orientation="vertical"
+              android:padding="16dp">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="8dp"
+        android:text="@string/configure"/>
+
+    <EditText
+        android:id="@+id/appwidget_text"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:inputType="text"/>
+
+    <Button
+        android:id="@+id/add_button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:text="@string/add_widget"/>
+
+</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/note_app_widget_row.xml b/app/src/main/res/layout/note_app_widget_row.xml
new file mode 100644
index 0000000..d7390cd
--- /dev/null
+++ b/app/src/main/res/layout/note_app_widget_row.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/relativeLayout"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:padding="@dimen/widget_margin"
+    >
+
+    <RelativeLayout
+        android:id="@+id/widget_note"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="2dp"
+        android:layout_marginBottom="2dp"
+        android:padding="2dp"
+        android:background="@drawable/ripple_bg"
+        >
+
+        <TextView
+            android:id="@+id/appwidget_row_title"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:textSize="18sp"
+            android:textStyle="bold"
+            android:textColor="@color/primary_text_light"/>
+
+        <TextView
+            android:id="@+id/appwidget_row_text"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_below="@id/appwidget_row_title"
+            android:textColor="@color/primary_text_light"/>
+    </RelativeLayout>
+
+</RelativeLayout>
+
diff --git a/app/src/main/res/values-v14/dimens.xml b/app/src/main/res/values-v14/dimens.xml
new file mode 100644
index 0000000..4db8c59
--- /dev/null
+++ b/app/src/main/res/values-v14/dimens.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <!--
+Refer to App Widget Documentation for margin information
+http://developer.android.com/guide/topics/appwidgets/index.html#CreatingLayout
+    -->
+    <dimen name="widget_margin">0dp</dimen>
+
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
index 2853212..926dfe4 100644
--- a/app/src/main/res/values-zh/strings.xml
+++ b/app/src/main/res/values-zh/strings.xml
@@ -51,7 +51,7 @@
     <string name="password">密码</string>
     <string name="preview">预览</string>
     <string name="public_note">公开笔记</string>
-    <string name="recent_notes">最近</string>
+    <string name="recent_notes">最近笔记</string>
     <string name="revert">还原</string>
     <string name="reverting">还原中</string>
     <string name="save">保存</string>
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index 47c8224..fb6e235 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -2,4 +2,10 @@
     <!-- Default screen margins, per the Android Design guidelines. -->
     <dimen name="activity_horizontal_margin">16dp</dimen>
     <dimen name="activity_vertical_margin">16dp</dimen>
+
+    <!--
+Refer to App Widget Documentation for margin information
+http://developer.android.com/guide/topics/appwidgets/index.html#CreatingLayout
+    -->
+    <dimen name="widget_margin">8dp</dimen>
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index a9e3678..cbf3633 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -121,4 +121,7 @@
     <string name="permission_get_description">We need some permission to start the application</string>
     <string name="permission_get">Permission request</string>
     <string name="allow">allow</string>
+    <string name="appwidget_text">EXAMPLE</string>
+    <string name="configure">Configure</string>
+    <string name="add_widget">Add widget</string>
 </resources>
diff --git a/app/src/main/res/xml/widget_provider.xml b/app/src/main/res/xml/widget_provider.xml
new file mode 100644
index 0000000..dd9b674
--- /dev/null
+++ b/app/src/main/res/xml/widget_provider.xml
@@ -0,0 +1,9 @@
+<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
+  android:minWidth="146dip"
+  android:minHeight="146dip"
+  android:updatePeriodMillis="43200000"
+  android:initialLayout="@layout/note_app_widget"
+  android:autoAdvanceViewId="@+id/words"
+  android:previewImage="@drawable/ic_launcher"
+  android:resizeMode="vertical"
+/>
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index c2eea8e..7e01a0a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,9 +3,10 @@
 buildscript {
     repositories {
         jcenter()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.3'
+        classpath 'com.android.tools.build:gradle:3.0.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -15,6 +16,7 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
+        google()
     }
 }
 
diff --git a/gradle.properties b/gradle.properties
index aac7c9b..68d727f 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,17 +1,19 @@
-# Project-wide Gradle settings.
-
-# IDE (e.g. Android Studio) users:
-# Gradle settings configured through the IDE *will override*
-# any settings specified in this file.
-
+## Project-wide Gradle settings.
+#
 # For more details on how to configure your build environment visit
 # http://www.gradle.org/docs/current/userguide/build_environment.html
-
+#
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
-org.gradle.jvmargs=-Xmx1536m
-
+# Default value: -Xmx1024m -XX:MaxPermSize=256m
+# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+#
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
+#Mon Oct 30 23:00:23 CST 2017
+systemProp.socksProxyHost=127.0.0.1
+org.gradle.jvmargs=-Xmx1536m
+systemProp.socksProxyPort=1080
+systemprop.socksProxyVersion=5
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 6a435c5..7a73f98 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Thu Oct 19 16:56:00 CST 2017
+#Wed Oct 25 13:31:06 CST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
\ No newline at end of file
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip