yeole-rohan · yeole-rohan · May 10, 2018
diff --git a/main/AndroidManifest.xml b/main/AndroidManifest.xml
@@ -1,16 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.example.android.viewpager">
-
-    <!-- To auto-complete the email text field in the login form with the user's emails -->
-    <uses-permission android:name="android.permission.GET_ACCOUNTS" />
-    <uses-permission android:name="android.permission.READ_PROFILE" />
-    <uses-permission android:name="android.permission.READ_CONTACTS" />
+    package="com.example.lenovo.notes">
 
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
         <activity android:name=".MainActivity">
@@ -20,14 +16,11 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity android:name=".NumberFragment" />
+        <!--Registered the Activity -->
         <activity
-            android:name=".LoginActivityFragment"
-            android:label="@string/title_activity_login" />
-        <activity android:name=".PharaseFragment" />
-        <activity android:name=".ColorFragment" />
-        <activity android:name=".FamilyFragment" />
-        <activity android:name=".NewsFragment"></activity>
+            android:name=".AddNote"
+            android:label="Add a Note"
+            android:parentActivityName=".MainActivity"/>
     </application>
 
 </manifest>
diff --git a/main/java/com/example/lenovo/notes/AddNote.java b/main/java/com/example/lenovo/notes/AddNote.java
@@ -0,0 +1,93 @@
+package com.example.lenovo.notes;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.widget.EditText;
+
+import java.util.HashSet;
+
+/**
+ * The Project Notes is Created by Rohan on 5/10/2018.
+ */
+public class AddNote extends AppCompatActivity implements TextWatcher {
+    int noteId;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.add_note);
+
+        EditText editText = (EditText) findViewById(R.id.editText);
+
+        Intent i = getIntent();
+        noteId = i.getIntExtra("noteId", -1);
+
+        if (noteId != -1) {
+
+            editText.setText(MainActivity.notes.get(noteId));
+        }
+
+        editText.addTextChangedListener( this);
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        // Inflate the menu; this adds items to the action bar if it is present.
+        getMenuInflater().inflate(R.menu.menu_add_note, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        // Handle action bar item clicks here. The action bar will
+        // automatically handle clicks on the Home/Up button, so long
+        // as you specify a parent activity in AndroidManifest.xml.
+        int id = item.getItemId();
+
+        //Noinspection SimplifiableIfStatement
+        if (id == R.id.action_settings) {
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+    @Override
+    public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+
+    }
+
+    @Override
+    public void onTextChanged(CharSequence s, int start, int before, int count) {
+
+        MainActivity.notes.set(noteId, String.valueOf(s));
+        MainActivity.arrayAdapter.notifyDataSetChanged();
+
+        SharedPreferences sharedPreferences = getSharedPreferences("com.example.lenovo.notes", Context.MODE_PRIVATE);
+
+        if (MainActivity.set == null) {
+
+            MainActivity.set = new HashSet<String>();
+
+        } else {
+
+            MainActivity.set.clear();
+
+        }
+
+        MainActivity.set.addAll(MainActivity.notes);
+        sharedPreferences.edit().remove("notes").apply();
+        sharedPreferences.edit().putStringSet("notes", MainActivity.set).apply();
+    }
+
+    @Override
+    public void afterTextChanged(Editable s) {
+
+    }
+}
diff --git a/main/java/com/example/lenovo/notes/MainActivity.java b/main/java/com/example/lenovo/notes/MainActivity.java
@@ -0,0 +1,149 @@
+package com.example.lenovo.notes;
+
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Set;
+
+public class MainActivity extends AppCompatActivity {
+
+    //Declaration
+    static ArrayList<String> notes = new ArrayList<>();
+    static ArrayAdapter arrayAdapter;
+    static Set<String> set;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        // Declaring listview and  SharedPreferences
+        ListView listView = (ListView) findViewById(R.id.listView);
+
+        SharedPreferences sharedPreferences = this.getSharedPreferences("com.example.lenovo.notes", Context.MODE_PRIVATE);
+
+        set = sharedPreferences.getStringSet("notes", null);
+        notes.clear();
+
+        if (set != null) {
+
+            notes.addAll(set);
+        } else {
+
+            notes.add("Example note");
+            set = new HashSet<String>();
+            set.addAll(notes);
+            sharedPreferences.edit().putStringSet("notes", set).apply();
+        }
+
+        arrayAdapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1, notes);
+
+        listView.setAdapter(arrayAdapter);
+
+        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
+
+            @Override
+            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+
+                Intent i = new Intent(getApplicationContext(), AddNote.class);
+                i.putExtra("noteId", position);
+                startActivity(i);
+            }
+        });
+
+        listView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
+            @Override
+            public boolean onItemLongClick(AdapterView<?> parent, View view, final int position, long id) {
+                new AlertDialog.Builder(MainActivity.this)
+                        .setIcon(android.R.drawable.ic_dialog_alert)
+                        .setTitle("Are you sure?")
+                        .setMessage("Do you want to delete this note?")
+                        .setPositiveButton("Yes", new DialogInterface.OnClickListener() {
+                            @Override
+                            public void onClick(DialogInterface dialog, int which) {
+
+                                notes.remove(position);
+                                SharedPreferences sharedPreferences = MainActivity.this.getSharedPreferences("com.example.lenovo.notes", Context.MODE_PRIVATE);
+
+                                if (set == null) {
+
+                                    set = new HashSet<String>();
+
+                                } else {
+
+                                    set.clear();
+
+                                }
+                                set.addAll(notes);
+                                sharedPreferences.edit().remove("notes").apply();
+                                sharedPreferences.edit().putStringSet("notes", set).apply();
+                                arrayAdapter.notifyDataSetChanged();
+
+                            }
+                        })
+                        .setNegativeButton("No", null)
+                        .show();
+                return true;
+            }
+        });
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        // Inflate the menu; this adds items to the action bar if it is present.
+        getMenuInflater().inflate(R.menu.menu_main, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        // Handle action bar item clicks here. The action bar will
+        // automatically handle clicks on the Home/Up button, so long
+        // as you specify a parent activity in AndroidManifest.xml.
+        int id = item.getItemId();
+
+        //Noinspection SimplifiableIfStatement
+        if (id == R.id.add) {
+
+            notes.add("");
+
+            SharedPreferences sharedPreferences = this.getSharedPreferences("com.example.robpercival.notes",
+                    Context.MODE_PRIVATE);
+
+            if (set == null) {
+
+                set = new HashSet<String>();
+
+            } else {
+
+                set.clear();
+            }
+
+            set.addAll(notes);
+            arrayAdapter.notifyDataSetChanged();
+
+            sharedPreferences.edit().remove("notes").apply();
+            sharedPreferences.edit().putStringSet("notes", set).apply();
+
+            Intent i = new Intent(getApplicationContext(), AddNote.class);
+            i.putExtra("noteId", notes.size() - 1);
+            startActivity(i);
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+}
+
diff --git a/main/res/drawable-v24/ic_launcher_foreground.xml b/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportHeight="108"
+    android:viewportWidth="108">
+    <path
+        android:fillType="evenOdd"
+        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="78.5885"
+                android:endY="90.9159"
+                android:startX="48.7653"
+                android:startY="61.0927"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1" />
+</vector>