From 69c85a92cd716fc48f80650f8af3e5ff775696ab Mon Sep 17 00:00:00 2001 From: xy0dls <2153766822@qq.com> Date: Wed, 23 Apr 2025 23:35:44 +0800 Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0onActivityResult()=E6=96=B9?= =?UTF-8?q?=E6=B3=95?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../net/micode/notes/model/WorkingNote.java | 2 +- .../net/micode/notes/ui/NoteEditActivity.java | 56 +++++++++++++++++++ 2 files changed, 57 insertions(+), 1 deletion(-) diff --git a/MiNote/app/src/main/java/net/micode/notes/model/WorkingNote.java b/MiNote/app/src/main/java/net/micode/notes/model/WorkingNote.java index be081e4..a1a2455 100644 --- a/MiNote/app/src/main/java/net/micode/notes/model/WorkingNote.java +++ b/MiNote/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; diff --git a/MiNote/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java b/MiNote/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java index b1d6dd8..6966d10 100644 --- a/MiNote/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java +++ b/MiNote/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java @@ -22,7 +22,9 @@ import android.app.AlertDialog; import android.app.PendingIntent; import android.app.SearchManager; import android.appwidget.AppWidgetManager; +import android.content.ContentResolver; import android.content.ContentUris; +import android.content.ContentValues; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; @@ -30,6 +32,7 @@ import android.content.SharedPreferences; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Paint; +import android.net.Uri; import android.os.Bundle; import android.preference.PreferenceManager; import android.text.Editable; @@ -70,6 +73,7 @@ import net.micode.notes.ui.NoteEditText.OnTextViewChangeListener; import net.micode.notes.widget.NoteWidgetProvider_2x; import net.micode.notes.widget.NoteWidgetProvider_4x; +import java.io.FileNotFoundException; import java.util.HashMap; import java.util.HashSet; import java.util.Map; @@ -924,5 +928,57 @@ public class NoteEditActivity extends Activity implements OnClickListener, } } } + //重写onActivityResult()来处理返回的数据 + 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; + } + } + }