Android Development | Notes App | Tutorial #11 | Search Notes | Andro…

…id Studio https://www.youtube.com/watch?v=O3UF4HSW7v0&list=PLam6bY5NszYN6-a1wt7yRISWfmYPdkbMu&index=11
rickbsr · Jan 15, 2021 · 75a4741 · 75a4741
1 parent cc7c43c
commit 75a4741
Show file tree

Hide file tree

Showing 4 changed files with 75 additions and 4 deletions.
diff --git a/app/build.gradle b/app/build.gradle
@@ -57,4 +57,7 @@ dependencies {
 
     // https://github.com/vinc3m1/RoundedImageView
     implementation 'com.makeramen:roundedimageview:2.3.0'
+
+    // https://github.com/square/picasso
+    implementation 'com.squareup.picasso:picasso:2.71828'
 }
diff --git a/app/src/main/java/com/rick/notes/activites/CreateNoteActivity.java b/app/src/main/java/com/rick/notes/activites/CreateNoteActivity.java
@@ -36,6 +36,7 @@
 import com.rick.notes.R;
 import com.rick.notes.database.NotesDatabase;
 import com.rick.notes.entities.Note;
+import com.squareup.picasso.Picasso;
 
 import java.io.InputStream;
 import java.text.SimpleDateFormat;
@@ -371,9 +372,14 @@ protected void onActivityResult(int requestCode, int resultCode, @Nullable Inten
                 Uri selectedImageUri = data.getData();
                 if (selectedImageUri != null) {
                     try {
-                        InputStream inputStream = getContentResolver().openInputStream(selectedImageUri);
-                        Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
-                        imageNote.setImageBitmap(bitmap);
+//                        InputStream inputStream = getContentResolver().openInputStream(selectedImageUri);
+//                        Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
+//                        imageNote.setImageBitmap(bitmap);
+
+                        Picasso.get()
+                                .load(selectedImageUri)
+                                .into(imageNote);
+
                         imageNote.setVisibility(View.VISIBLE);
                         findViewById(R.id.imageRemoveImage).setVisibility(View.VISIBLE);
 

diff --git a/app/src/main/java/com/rick/notes/activites/MainActivity.java b/app/src/main/java/com/rick/notes/activites/MainActivity.java
@@ -5,7 +5,10 @@
 import android.content.Intent;
 import android.os.AsyncTask;
 import android.os.Bundle;
+import android.text.Editable;
+import android.text.TextWatcher;
 import android.util.Log;
+import android.widget.EditText;
 import android.widget.ImageView;
 
 import androidx.annotation.Nullable;
@@ -53,6 +56,26 @@ protected void onCreate(Bundle savedInstanceState) {
         notesRecyclerView.setAdapter(notesAdapter);
 
         getNotes(REQUEST_CODE_SHOW_NOTES, false);
+
+        EditText inputSearch = findViewById(R.id.inputSearch);
+        inputSearch.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+                notesAdapter.cancelTimer();
+            }
+
+            @Override
+            public void afterTextChanged(Editable s) {
+                if (noteList.size() != 0) {
+                    notesAdapter.searchNotes(s.toString());
+                }
+            }
+        });
     }
 
     @Override

diff --git a/app/src/main/java/com/rick/notes/adapters/NotesAdapter.java b/app/src/main/java/com/rick/notes/adapters/NotesAdapter.java
@@ -3,6 +3,8 @@
 import android.graphics.BitmapFactory;
 import android.graphics.Color;
 import android.graphics.drawable.GradientDrawable;
+import android.os.Handler;
+import android.os.Looper;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -17,16 +19,23 @@
 import com.rick.notes.entities.Note;
 import com.rick.notes.listeners.NotesListener;
 
+import java.util.ArrayList;
 import java.util.List;
+import java.util.Timer;
+import java.util.TimerTask;
 
 public class NotesAdapter extends RecyclerView.Adapter<NotesAdapter.NoteViewHolder> {
 
-    private final List<Note> notes;
+    private List<Note> notes;
+    private final List<Note> notesSource;
     private final NotesListener notesListener;
 
+    private Timer timer;
+
     public NotesAdapter(List<Note> notes, NotesListener notesListener) {
         this.notes = notes;
         this.notesListener = notesListener;
+        notesSource = notes;
     }
 
     @NonNull
@@ -94,4 +103,34 @@ void setNote(Note note) {
             }
         }
     }
+
+    public void searchNotes(final String searchKeyword) {
+        timer = new Timer();
+        timer.schedule(new TimerTask() {
+            @Override
+            public void run() {
+                if (searchKeyword.trim().isEmpty()) {
+                    notes = notesSource;
+                } else {
+                    ArrayList<Note> temp = new ArrayList<>();
+                    for (Note note : notesSource) {
+                        if (note.getTitle().toLowerCase().contains(searchKeyword.toLowerCase()) ||
+                                note.getSubtitle().toLowerCase().contains(searchKeyword.toLowerCase()) ||
+                                note.getNoteText().toLowerCase().contains(searchKeyword.toLowerCase())) {
+                            temp.add(note);
+                        }
+                    }
+                    notes = temp;
+                }
+
+                new Handler(Looper.getMainLooper()).post(() -> notifyDataSetChanged());
+            }
+        }, 500);
+    }
+
+    public void cancelTimer() {
+        if (timer != null) {
+            timer.cancel();
+        }
+    }
 }