v1.1

-添加了便签内插入图片功能（可能会因为环境问题无法正常使用）

src/app/build.gradle

@@ -32,6 +32,7 @@ android {
 }
 
 dependencies {
+    implementation 'commons-logging:commons-logging:1.2'
     implementation 'androidx.core:core:1.8.0' // 或者使用最新版本
     implementation 'androidx.appcompat:appcompat:1.4.1'
     implementation 'com.google.android.material:material:1.5.0'

src/app/src/main/AndroidManifest.xml

@@ -15,6 +15,7 @@
     <uses-permission android:name="android.permission.GET_ACCOUNTS" />
     <uses-permission android:name="android.permission.USE_CREDENTIALS" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
 
     <application
         android:allowBackup="true"

src/app/src/main/java/net/micode/notes/model/WorkingNote.java

@@ -38,7 +38,7 @@ public class WorkingNote {
     // Note Id
     private long mNoteId;
     // Note content
-    private String mContent;
+    public String mContent;
     // Note mode
     private int mMode;
 

src/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java

@@ -16,25 +16,32 @@
 
 package net.micode.notes.ui;
 
+import android.Manifest;
 import android.app.Activity;
 import android.app.AlarmManager;
 import android.app.AlertDialog;
 import android.app.PendingIntent;
 import android.app.SearchManager;
 import android.appwidget.AppWidgetManager;
-import android.content.ContentUris;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.Intent;
-import android.content.SharedPreferences;
+import android.content.*;
+import android.content.pm.PackageManager;
+import android.database.Cursor;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
 import android.graphics.Paint;
+import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
+import android.provider.DocumentsContract;
+import android.provider.MediaStore;
+import android.text.Editable;
 import android.text.Spannable;
 import android.text.SpannableString;
 import android.text.TextUtils;
 import android.text.format.DateUtils;
 import android.text.style.BackgroundColorSpan;
+import android.text.style.ImageSpan;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.Menu;
@@ -43,15 +50,10 @@ import android.view.MotionEvent;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.WindowManager;
-import android.widget.CheckBox;
-import android.widget.CompoundButton;
+import android.widget.*;
 import android.widget.CompoundButton.OnCheckedChangeListener;
-import android.widget.EditText;
-import android.widget.ImageView;
-import android.widget.LinearLayout;
-import android.widget.TextView;
-import android.widget.Toast;
 
+import androidx.core.content.ContextCompat;
 import net.micode.notes.R;
 import net.micode.notes.data.Notes;
 import net.micode.notes.data.Notes.TextNote;
@@ -64,7 +66,9 @@ import net.micode.notes.ui.DateTimePickerDialog.OnDateTimeSetListener;
 import net.micode.notes.ui.NoteEditText.OnTextViewChangeListener;
 import net.micode.notes.widget.NoteWidgetProvider_2x;
 import net.micode.notes.widget.NoteWidgetProvider_4x;
+import org.apache.commons.logging.LogFactory;
 
+import java.io.FileNotFoundException;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;
@@ -74,6 +78,8 @@ import java.util.regex.Pattern;
 
 public class NoteEditActivity extends Activity implements OnClickListener,
         NoteSettingChangedListener, OnTextViewChangeListener {
+    private static final org.apache.commons.logging.Log log = LogFactory.getLog(NoteEditActivity.class);
+
     private class HeadViewHolder {
         public TextView tvModified;
 
@@ -149,7 +155,21 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     private String mUserQuery;
     private Pattern mPattern;
 
+//    @Override
+//    protected void onCreate(Bundle savedInstanceState) {
+//        super.onCreate(savedInstanceState);
+//        this.setContentView(R.layout.note_edit);
+//       if (savedInstanceState == null && !initActivityState(getIntent())) {
+//            finish();
+//            return;
+//        }
+//        initResources();
+//    }
+
+    private final int PHOTO_REQUEST=1;
+
     @Override
+
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         this.setContentView(R.layout.note_edit);
@@ -159,6 +179,23 @@ public class NoteEditActivity extends Activity implements OnClickListener,
             return;
         }
         initResources();
+
+        //根据id获取添加图片按钮
+        final ImageButton add_img_btn = (ImageButton) findViewById(R.id.add_img_btn);
+        //为点击图片按钮设置监听器
+        add_img_btn.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Log.d(TAG, "onClick: click add image button");
+                //ACTION_GET_CONTENT: 允许用户选择特殊种类的数据，并返回（特殊种类的数据：照一张相片或录一段音）
+                Intent loadImage = new Intent(Intent.ACTION_GET_CONTENT);
+                //Category属性用于指定当前动作（Action）被执行的环境.
+                //CATEGORY_OPENABLE; 用来指示一个ACTION_GET_CONTENT的intent
+                loadImage.addCategory(Intent.CATEGORY_OPENABLE);
+                loadImage.setType("image/*");
+                startActivityForResult(loadImage, PHOTO_REQUEST);
+            }
+        });
     }
 
     /**
@@ -275,6 +312,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
             switchToListMode(mWorkingNote.getContent());
         } else {
             mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
+            convertToImage();
             mNoteEditor.setSelection(mNoteEditor.getText().length());
         }
         for (Integer id : sBgSelectorSelectionMap.keySet()) {
@@ -293,6 +331,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
          * is not ready
          */
         showAlertHeader();
+        convertToImage();  // 确保每次进入页面都执行图片转换
     }
 
     private void showAlertHeader() {
@@ -312,6 +351,71 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         };
     }
 
+
+    private void convertToImage() {
+        if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE)
+                != PackageManager.PERMISSION_GRANTED) {
+            Log.e(TAG, "缺少读取外部存储权限，无法解码图片");
+            return;
+        }
+        NoteEditText noteEditText = (NoteEditText) findViewById(R.id.note_edit_view);
+        Editable editable = noteEditText.getText();
+        String noteText = editable.toString();
+
+        // 使用正则表达式匹配图片路径
+        Pattern pattern = Pattern.compile("\\[local\\](.*?)\\[/local\\]");
+        Matcher matcher = pattern.matcher(noteText);
+
+        // 存储匹配到的图片路径及其位置
+        java.util.List<java.util.Map<String, Object>> matches = new java.util.ArrayList<>();
+        while (matcher.find()) {
+            String path = matcher.group(1);
+            java.util.Map<String, Object> matchInfo = new java.util.HashMap<>();
+            matchInfo.put("path", path);
+            matchInfo.put("start", matcher.start());
+            matchInfo.put("end", matcher.end());
+            matches.add(matchInfo);
+        }
+
+        for (int i = matches.size() - 1; i >= 0; i--) {
+            java.util.Map<String, Object> matchInfo = matches.get(i);
+            String path = (String) matchInfo.get("path");
+            int start = (int) matchInfo.get("start");
+            int end = (int) matchInfo.get("end");
+
+            Bitmap bitmap = null;
+            Log.d(TAG, "尝试解码图片，路径：" + path);
+
+            java.io.File file = new java.io.File(path);
+            if (!file.exists()) {
+                Log.e(TAG, "图片文件不存在，路径：" + path);
+                continue;
+            }
+
+            try {
+                bitmap = BitmapFactory.decodeFile(path);
+                if (bitmap != null) {
+                    Log.d(TAG, "图片解码成功，路径：" + path);
+                } else {
+                    Log.e(TAG, "图片解码失败，路径：" + path);
+                }
+            } catch (Exception e) {
+                Log.e(TAG, "图片解码异常，路径：" + path, e);
+            }
+
+            if (bitmap != null) {
+                ImageSpan imageSpan = new ImageSpan(this, bitmap);
+                String imgTag = "[local]" + path + "[/local]";
+                SpannableString spannableString = new SpannableString(imgTag);
+                spannableString.setSpan(imageSpan, 0, imgTag.length(),
+                        Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+
+                // 替换原始文本
+                editable.replace(start, end, spannableString);
+            }
+        }
+    }
+
     @Override
     protected void onNewIntent(Intent intent) {
         super.onNewIntent(intent);
@@ -837,6 +941,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
             mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery));
             mEditTextList.setVisibility(View.GONE);
             mNoteEditor.setVisibility(View.VISIBLE);
+            convertToImage();
         }
     }
 
@@ -865,6 +970,8 @@ public class NoteEditActivity extends Activity implements OnClickListener,
 
     private boolean saveNote() {
         getWorkingText();
+        // 确保在保存前转换所有图片路径为可显示的格式
+        convertToImage();
         boolean saved = mWorkingNote.saveNote();
         if (saved) {
             /**
@@ -928,4 +1035,145 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     private void showToast(int resId, int duration) {
         Toast.makeText(this, resId, duration).show();
     }
+
+    //获取文件的real path
+    public String getPath(final Context context, final Uri uri) {
+
+        final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
+
+        // DocumentProvider
+        if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
+            // ExternalStorageProvider
+//            if (isExternalStorageDocument(uri)) {
+//                final String docId = DocumentsContract.getDocumentId(uri);
+//                final String[] split = docId.split(":");
+//                final String type = split[0];
+//
+//                if ("primary".equalsIgnoreCase(type)) {
+//                    return Environment.getExternalStorageDirectory() + "/" + split[1];
+//                }
+//            }
+//            // DownloadsProvider
+//            else if (isDownloadsDocument(uri)) {
+//                final String id = DocumentsContract.getDocumentId(uri);
+//                final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));
+//                return getDataColumn(context, contentUri, null, null);
+//            }
+            // MediaProvider
+//            else
+            if (isMediaDocument(uri)) {
+                final String docId = DocumentsContract.getDocumentId(uri);
+                final String[] split = docId.split(":");
+                final String type = split[0];
+
+                Uri contentUri = null;
+                if ("image".equals(type)) {
+                    contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
+                }
+
+                final String selection = "_id=?";
+                final String[] selectionArgs = new String[]{split[1]};
+
+                return getDataColumn(context, contentUri, selection, selectionArgs);
+            }
+        }
+        // Media
+        else if ("content".equalsIgnoreCase(uri.getScheme())) {
+            return getDataColumn(context, uri, null, null);
+        }
+        // File
+        else if ("file".equalsIgnoreCase(uri.getScheme())) {
+            return uri.getPath();
+        }
+        return null;
+    }
+
+
+    //获取数据列_获取此 Uri 的数据列的值。这对MediaStore Uris 和其他基于文件的 ContentProvider。
+    public String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {
+
+        Cursor cursor = null;
+        final String column = "_data";
+        final String[] projection = {column};
+
+        try {
+            cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
+            if (cursor != null && cursor.moveToFirst()) {
+                final int column_index = cursor.getColumnIndexOrThrow(column);
+                return cursor.getString(column_index);
+            }
+        } finally {
+            if (cursor != null)
+                cursor.close();
+        }
+        return null;
+    }
+
+
+    //是否为外部存储文件
+//    public boolean isExternalStorageDocument(Uri uri) {
+//        return "com.android.externalstorage.documents".equals(uri.getAuthority());
+//    }
+//
+//    //是否为下载文件
+//    public boolean isDownloadsDocument(Uri uri) {
+//        return "com.android.providers.downloads.documents".equals(uri.getAuthority());
+//    }
+
+    //是否为媒体文件
+    public boolean isMediaDocument(Uri uri) {
+        return "com.android.providers.media.documents".equals(uri.getAuthority());
+    }
+
+    protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
+        super.onActivityResult(requestCode, resultCode, intent);
+        ContentResolver resolver = getContentResolver();
+        switch (requestCode) {
+            case PHOTO_REQUEST:
+                Uri originalUri = intent.getData(); //1.获得图片的真实路径
+                Bitmap bitmap = null;
+                try {
+                    bitmap = BitmapFactory.decodeStream(resolver.openInputStream(originalUri));//2.解码图片
+                } catch (FileNotFoundException e) {
+                    Log.d(TAG, "onActivityResult: get file_exception");
+                    e.printStackTrace();
+                }
+
+                if (bitmap != null) {
+                    //3.根据Bitmap对象创建ImageSpan对象
+                    Log.d(TAG, "onActivityResult: bitmap is not null");
+                    ImageSpan imageSpan = new ImageSpan(NoteEditActivity.this, bitmap);
+                    String path = getPath(this, originalUri);
+                    //4.使用[local][/local]将path括起来，用于之后方便识别图片路径在note中的位置
+                    String img_fragment = "[local]" + path + "[/local]";
+                    //创建一个SpannableString对象，以便插入用ImageSpan对象封装的图像
+                    SpannableString spannableString = new SpannableString(img_fragment);
+                    spannableString.setSpan(imageSpan, 0, img_fragment.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+                    //5.将选择的图片追加到EditText中光标所在位置
+                    NoteEditText e = (NoteEditText) findViewById(R.id.note_edit_view);
+                    int index = e.getSelectionStart(); //获取光标所在位置
+                    Log.d(TAG, "Index是: " + index);
+                    Editable edit_text = e.getEditableText();
+                    edit_text.insert(index, spannableString); //将图片插入到光标所在位置
+
+                    mWorkingNote.mContent = e.getText().toString();
+                    //6.把改动提交到数据库中,两个数据库表都要改的
+                    ContentResolver contentResolver = getContentResolver();
+                    ContentValues contentValues = new ContentValues();
+                    final long id = mWorkingNote.getNoteId();
+                    contentValues.put("snippet", mWorkingNote.mContent);
+                    contentResolver.update(Uri.parse("content://micode_notes/note"), contentValues, "_id=?", new String[]{"" + id});
+                    ContentValues contentValues1 = new ContentValues();
+                    contentValues1.put("content", mWorkingNote.mContent);
+                    contentResolver.update(Uri.parse("content://micode_notes/data"), contentValues1, "mime_type=? and note_id=?", new String[]{"vnd.android.cursor.item/text_note", "" + id});
+
+                } else {
+                    Toast.makeText(NoteEditActivity.this, "获取图片失败", Toast.LENGTH_SHORT).show();
+                }
+                break;
+            default:
+                break;
+        }
+    }
+    //
 }

src/app/src/main/res/layout/note_edit.xml

@@ -116,6 +116,15 @@
         </LinearLayout>
     </LinearLayout>
 
+    <ImageButton
+            android:id="@+id/add_img_btn"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="7dp"
+            android:layout_marginTop="600dp"
+            android:layout_marginBottom="7dp"
+            android:src="@android:drawable/ic_menu_gallery" />
+
     <ImageView
         android:id="@+id/btn_set_bg_color"
         android:layout_height="43dip"