added edit option

hmanalai · Jan 16, 2020 · c46a962 · c46a962
1 parent 126250d
commit c46a962
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Showing 5 changed files with 118 additions and 2 deletions.
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
@@ -9,6 +9,7 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
+        <activity android:name=".EditActivity"></activity>
         <activity android:name=".MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

diff --git a/app/src/main/java/com/example/to_do/EditActivity.java b/app/src/main/java/com/example/to_do/EditActivity.java
@@ -0,0 +1,39 @@
+package com.example.to_do;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+
+public class EditActivity extends AppCompatActivity {
+
+    EditText et_item;
+    Button button_save;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_edit);
+
+        et_item = findViewById(R.id.et_item);
+        button_save = findViewById(R.id.button_save);
+
+        getSupportActionBar().setTitle("Edit Item");
+
+        et_item.setText(getIntent().getStringExtra(MainActivity.KEY_ITEM_TEXT));
+        button_save.setOnClickListener(new View.OnClickListener() {
+
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent();
+                intent.putExtra(MainActivity.KEY_ITEM_TEXT, et_item.getText().toString());
+                intent.putExtra(MainActivity.KEY_ITEM_POSITION, getIntent().getExtras().getInt(MainActivity.KEY_ITEM_POSITION));
+                setResult(RESULT_OK, intent);
+                finish();
+            }
+        });
+    }
+}
diff --git a/app/src/main/java/com/example/to_do/ItemsAdapter.java b/app/src/main/java/com/example/to_do/ItemsAdapter.java
@@ -13,13 +13,19 @@
 //
  class ItemsAdapter extends RecyclerView.Adapter<ItemsAdapter.ViewHolder> {
 
+     public interface OnClickListener {
+         void onItemClicked(int position);
+     }
+
      public interface OnLongClickListener{
          void onItemLongClicked(int position);
      }
 
      OnLongClickListener longClickListener;
+     OnClickListener clickListener;
      List<String> items;
-     public ItemsAdapter(List<String> items, OnLongClickListener longClickListener) {
+     public ItemsAdapter(List<String> items, OnLongClickListener longClickListener, OnClickListener clickListener) {
+         this.clickListener = clickListener;
          this.items = items;
          this.longClickListener = longClickListener;
     }
@@ -53,6 +59,14 @@ public ViewHolder(@NonNull View itemView) {
 
         public void bind(String item) {
              tv_item.setText(item);
+             tv_item.setOnClickListener(new View.OnClickListener(){
+
+                 @Override
+                 public void onClick(View v) {
+                     clickListener.onItemClicked(getAdapterPosition());
+
+                 }
+             });
              tv_item.setOnLongClickListener(new View.OnLongClickListener() {
                  @Override
                  public boolean onLongClick(View v) {

diff --git a/app/src/main/java/com/example/to_do/MainActivity.java b/app/src/main/java/com/example/to_do/MainActivity.java
@@ -1,9 +1,12 @@
 package com.example.to_do;
 
+import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
+import android.annotation.SuppressLint;
+import android.content.Intent;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.View;
@@ -22,6 +25,9 @@
 
 public class MainActivity extends AppCompatActivity {
 
+    public static final String KEY_ITEM_TEXT = "item_text";
+    public static final String KEY_ITEM_POSITION = "item_position";
+    public static final int EDIT_TEXT_CODE = 20;
     List <String> items;
 
     Button button_add;
@@ -40,6 +46,7 @@ protected void onCreate(Bundle savedInstanceState) {
 
         loadItems();
 
+
         ItemsAdapter.OnLongClickListener onLongClickListener = new ItemsAdapter.OnLongClickListener() {
             @Override
             public void onItemLongClicked(int position) {
@@ -50,7 +57,18 @@ public void onItemLongClicked(int position) {
             }
         };
 
-        itemsAdapter = new ItemsAdapter(items, onLongClickListener);
+        ItemsAdapter.OnClickListener onClickListener = new ItemsAdapter.OnClickListener() {
+            @Override
+            public void onItemClicked(int position) {
+                Log.d("MainActivity", "Item click at position" + position);
+                Intent i = new Intent(MainActivity.this, EditActivity.class);
+                i.putExtra(KEY_ITEM_TEXT, items.get(position));
+                i.putExtra(KEY_ITEM_POSITION, position);
+                startActivityForResult(i, EDIT_TEXT_CODE);
+            }
+        };
+
+        itemsAdapter = new ItemsAdapter(items, onLongClickListener, onClickListener);
         rv_item.setAdapter(itemsAdapter);
         rv_item.setLayoutManager(new LinearLayoutManager(this));
 
@@ -82,6 +100,22 @@ private void loadItems(){
         }
     }
 
+    @SuppressLint("MissingSuperCall")
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
+        if (resultCode == RESULT_OK && requestCode == EDIT_TEXT_CODE) {
+            String item_text = data.getStringExtra(KEY_ITEM_TEXT);
+            int position = data.getExtras().getInt(KEY_ITEM_POSITION);
+            items.set(position, item_text);
+            itemsAdapter.notifyItemChanged(position);
+            savesItems();
+            Toast.makeText(getApplicationContext(), "Item Updated Successfuly", Toast.LENGTH_SHORT).show();
+
+        } else {
+            Log.w("MainActivity", "Unknown Call to onActivityResutl");
+        }
+    }
+
     private void savesItems() {
         try {
             FileUtils.writeLines(getDataFile(), items);
@@ -90,3 +124,5 @@ private void savesItems() {
         }
     }
 }
+
+
diff --git a/app/src/main/res/layout/activity_edit.xml b/app/src/main/res/layout/activity_edit.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<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:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".EditActivity">
+
+    <EditText
+        android:id="@+id/et_item"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:ems="10"
+        android:hint="Update the item"
+        android:inputType="textPersonName" />
+
+    <Button
+        android:id="@+id/button_save"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@+id/et_item"
+        android:layout_alignParentRight="true"
+        android:layout_marginTop="0dp"
+        android:text="Save" />
+</RelativeLayout>