From 3b433b65856c6b4a0fbff4b72eab55e7ac1f5774 Mon Sep 17 00:00:00 2001
From: xingxing <xxx823952375@gmail.com>
Date: Tue, 26 Dec 2017 18:31:10 +0800
Subject: [PATCH] =?UTF-8?q?git=20rebase=E8=A7=A3=E5=86=B3=E6=89=80?=
 =?UTF-8?q?=E6=9C=89=E5=86=B2=E7=AA=81?=
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Corrected the title of the permission requesting dialog in LaunchActivity

Add a widget from Android Studio widget template

add the layout of widget , add the support Android Studio 3.0

fix the support Android Studio 3.0

Completed the development of app widget to show the recent blogs.

chance the previewImage of app widget

fixed the bug that occurred when there were less than 30 notes

update build tools
---
 app/build.gradle                              |  10 +-
 app/src/main/AndroidManifest.xml              |  27 ++++-
 .../appwidget/AppWidgetViewsFactory.java      | 108 ++++++++++++++++++
 .../leamonax/appwidget/NoteAppWidget.java     |  92 +++++++++++++++
 .../NoteAppWidgetConfigureActivity.java       | 108 ++++++++++++++++++
 .../leamonax/appwidget/RedirActivity.java     |  32 ++++++
 .../leamonax/appwidget/WidgetService.java     |  12 ++
 .../org/houxg/leamonax/ui/LaunchActivity.java |   5 +-
 .../leamonax/ui/edit/NoteEditActivity.java    |   8 ++
 .../example_appwidget_preview.png             | Bin 0 -> 3522 bytes
 app/src/main/res/drawable-v21/ripple_bg.xml   |  11 ++
 app/src/main/res/drawable/rounded_corners.xml |   6 +
 app/src/main/res/layout/note_app_widget.xml   |  63 ++++++++++
 .../res/layout/note_app_widget_configure.xml  |  27 +++++
 .../main/res/layout/note_app_widget_row.xml   |  36 ++++++
 app/src/main/res/values-v14/dimens.xml        |  10 ++
 app/src/main/res/values-zh/strings.xml        |   2 +-
 app/src/main/res/values/dimens.xml            |   6 +
 app/src/main/res/values/strings.xml           |   3 +
 app/src/main/res/xml/widget_provider.xml      |   9 ++
 build.gradle                                  |   4 +-
 gradle.properties                             |  20 ++--
 gradle/wrapper/gradle-wrapper.properties      |   4 +-
 23 files changed, 580 insertions(+), 23 deletions(-)
 create mode 100644 app/src/main/java/org/houxg/leamonax/appwidget/AppWidgetViewsFactory.java
 create mode 100644 app/src/main/java/org/houxg/leamonax/appwidget/NoteAppWidget.java
 create mode 100644 app/src/main/java/org/houxg/leamonax/appwidget/NoteAppWidgetConfigureActivity.java
 create mode 100644 app/src/main/java/org/houxg/leamonax/appwidget/RedirActivity.java
 create mode 100644 app/src/main/java/org/houxg/leamonax/appwidget/WidgetService.java
 create mode 100644 app/src/main/res/drawable-nodpi/example_appwidget_preview.png
 create mode 100644 app/src/main/res/drawable-v21/ripple_bg.xml
 create mode 100644 app/src/main/res/drawable/rounded_corners.xml
 create mode 100644 app/src/main/res/layout/note_app_widget.xml
 create mode 100644 app/src/main/res/layout/note_app_widget_configure.xml
 create mode 100644 app/src/main/res/layout/note_app_widget_row.xml
 create mode 100644 app/src/main/res/values-v14/dimens.xml
 create mode 100644 app/src/main/res/xml/widget_provider.xml

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 0000000000000000000000000000000000000000..894b069a4907d258f60b1b2406b90f5a0fe1c35b
GIT binary patch
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KHu)#c$NU?Az^{$~

literal 0
HcmV?d00001

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