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@ -27,11 +27,16 @@ import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.content.pm.PackageManager;
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import android.graphics.Paint;
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import android.net.Uri;
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import android.os.Build;
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import android.os.Bundle;
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import android.preference.PreferenceManager;
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import android.provider.MediaStore;
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import android.text.Spannable;
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import android.text.SpannableString;
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import android.text.SpannableStringBuilder;
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import android.text.TextUtils;
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import android.text.format.DateUtils;
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import android.text.style.BackgroundColorSpan;
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@ -47,23 +52,19 @@ import android.widget.CheckBox;
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import android.widget.CompoundButton;
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import android.widget.CompoundButton.OnCheckedChangeListener;
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import android.widget.EditText;
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import android.widget.ImageButton;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.TextView;
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import android.widget.Toast;
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import android.widget.ImageButton;
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import android.provider.MediaStore;
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import android.net.Uri;
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import java.io.File;
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import android.text.SpannableString;
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import android.text.SpannableStringBuilder;
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import android.text.Editable;
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import android.text.style.ImageSpan;
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import android.graphics.Typeface;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.graphics.drawable.Drawable;
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import android.content.ContentResolver;
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import android.content.res.Resources;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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// import android.support.annotation.NonNull;
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import android.Manifest;
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import android.graphics.Color;
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import java.io.InputStream;
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import java.io.FileOutputStream;
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@ -443,6 +444,8 @@ public class NoteEditActivity extends Activity implements OnClickListener,
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return new SpannableString("");
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}
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Log.d(TAG, "Converting text to Spannable with images: " + text);
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// 创建一个新的SpannableStringBuilder
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SpannableStringBuilder builder = new SpannableStringBuilder();
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@ -451,6 +454,8 @@ public class NoteEditActivity extends Activity implements OnClickListener,
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int imageStart = text.indexOf("[IMAGE]", startIndex);
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while (imageStart != -1) {
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Log.d(TAG, "Found [IMAGE] tag at position: " + imageStart);
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// 添加[IMAGE]标签之前的文本
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builder.append(text.substring(startIndex, imageStart));
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@ -462,43 +467,97 @@ public class NoteEditActivity extends Activity implements OnClickListener,
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break;
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}
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Log.d(TAG, "Found [/IMAGE] tag at position: " + imageEnd);
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// 提取图片URI
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String imageUri = text.substring(imageStart + "[IMAGE]".length(), imageEnd);
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Log.d(TAG, "Found image URI: " + imageUri);
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Log.d(TAG, "Extracted image URI: " + imageUri);
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// 创建一个占位符字符串，用于插入ImageSpan
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String placeholder = " ";
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int placeholderStart = builder.length();
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builder.append(placeholder);
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// 保留原始的[IMAGE]uri[/IMAGE]标签，直接在上面添加ImageSpan
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String fullImageTag = "[IMAGE]" + imageUri + "[/IMAGE]";
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int tagStart = builder.length();
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builder.append(fullImageTag);
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// 尝试将图片URI转换为Drawable并创建ImageSpan
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try {
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// 确保URI是有效的
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Uri uri = Uri.parse(imageUri);
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if (uri == null) {
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Log.e(TAG, "Invalid URI: " + imageUri);
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// 更新索引，继续处理下一个标签
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startIndex = imageEnd + "[/IMAGE]".length();
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imageStart = text.indexOf("[IMAGE]", startIndex);
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continue;
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}
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Log.d(TAG, "Attempting to load image from URI: " + uri.toString());
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// 使用BitmapFactory直接加载图片，这是最可靠的方式
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ContentResolver resolver = getContentResolver();
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InputStream inputStream = resolver.openInputStream(Uri.parse(imageUri));
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Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
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inputStream.close();
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// 计算图片的合适大小，确保它能适应EditText的宽度
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int screenWidth = getResources().getDisplayMetrics().widthPixels;
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int imageWidth = bitmap.getWidth();
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int imageHeight = bitmap.getHeight();
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float scale = (float) screenWidth / (float) imageWidth;
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int scaledHeight = (int) (imageHeight * scale);
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// 缩放图片
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Bitmap scaledBitmap = Bitmap.createScaledBitmap(bitmap, screenWidth, scaledHeight, true);
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Drawable drawable = new android.graphics.drawable.BitmapDrawable(getResources(), scaledBitmap);
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drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight());
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// 创建ImageSpan并添加到SpannableStringBuilder中
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ImageSpan imageSpan = new ImageSpan(drawable, ImageSpan.ALIGN_BASELINE);
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builder.setSpan(imageSpan, placeholderStart, placeholderStart + placeholder.length(), SpannableString.SPAN_INCLUSIVE_EXCLUSIVE);
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InputStream inputStream = null;
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try {
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inputStream = resolver.openInputStream(uri);
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if (inputStream == null) {
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Log.e(TAG, "Failed to open input stream for URI: " + uri.toString());
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// 更新索引，继续处理下一个标签
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startIndex = imageEnd + "[/IMAGE]".length();
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imageStart = text.indexOf("[IMAGE]", startIndex);
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continue;
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}
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// 解码图片
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Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
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if (bitmap == null) {
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Log.e(TAG, "Failed to decode bitmap from URI: " + uri.toString());
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// 更新索引，继续处理下一个标签
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startIndex = imageEnd + "[/IMAGE]".length();
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imageStart = text.indexOf("[IMAGE]", startIndex);
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continue;
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}
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Log.d(TAG, "Successfully decoded bitmap with dimensions: " + bitmap.getWidth() + "x" + bitmap.getHeight());
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// 计算图片的合适大小，确保它能适应EditText的宽度
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int screenWidth = getResources().getDisplayMetrics().widthPixels;
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// 减去左右边距，确保图片能完整显示
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int maxWidth = screenWidth - 40;
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int imageWidth = bitmap.getWidth();
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int imageHeight = bitmap.getHeight();
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// 计算缩放比例
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float scale = 1.0f;
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if (imageWidth > maxWidth) {
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scale = (float) maxWidth / (float) imageWidth;
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}
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Log.d(TAG, "Calculated scale: " + scale);
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// 缩放图片（如果需要）
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if (scale < 1.0f) {
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bitmap = Bitmap.createScaledBitmap(bitmap, (int)(imageWidth * scale), (int)(imageHeight * scale), true);
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Log.d(TAG, "Scaled bitmap to: " + bitmap.getWidth() + "x" + bitmap.getHeight());
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}
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// 创建Drawable并设置边界
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Drawable drawable = new android.graphics.drawable.BitmapDrawable(getResources(), bitmap);
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drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight());
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// 创建ImageSpan并添加到SpannableStringBuilder中
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ImageSpan imageSpan = new ImageSpan(drawable, ImageSpan.ALIGN_BASELINE);
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builder.setSpan(imageSpan, tagStart, tagStart + fullImageTag.length(), SpannableString.SPAN_INCLUSIVE_EXCLUSIVE);
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Log.d(TAG, "Successfully added ImageSpan for URI: " + imageUri);
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} finally {
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// 确保InputStream被正确关闭
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if (inputStream != null) {
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try {
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inputStream.close();
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} catch (Exception e) {
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Log.e(TAG, "Error closing input stream: " + e.toString());
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}
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}
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}
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} catch (Exception e) {
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Log.e(TAG, "Error loading image: " + e.toString());
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// 如果加载图片失败，直接显示图片URI
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builder.append("[IMAGE]");
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builder.append(imageUri);
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builder.append("[/IMAGE]");
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e.printStackTrace();
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}
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// 更新索引，继续查找下一个[IMAGE]标签
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@ -509,6 +568,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
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// 添加剩余的文本
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builder.append(text.substring(startIndex));
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Log.d(TAG, "Final SpannableStringBuilder content: " + builder.toString());
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return new SpannableString(builder);
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}
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@ -679,7 +739,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
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if (mBtnInsertImage != null) {
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mBtnInsertImage.setOnClickListener(this);
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}
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// 初始化富文本功能按钮
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initRichEditorButtons();
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}
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@ -1368,6 +1428,8 @@ public class NoteEditActivity extends Activity implements OnClickListener,
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/**
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* 从相册选择图片 OMO
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*/
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private static final int REQUEST_CODE_PERMISSION_STORAGE = 101;
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private void pickImageFromGallery() {
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try {
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// 意图：打开系统相册选择图片
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@ -1387,6 +1449,21 @@ public class NoteEditActivity extends Activity implements OnClickListener,
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}
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}
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// 处理权限请求结果
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@Override
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public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
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super.onRequestPermissionsResult(requestCode, permissions, grantResults);
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if (requestCode == REQUEST_CODE_PERMISSION_STORAGE) {
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if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
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// 权限被授予，执行图片选择
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pickImageFromGallery();
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} else {
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// 权限被拒绝，显示提示
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showToast(R.string.error_permission_denied);
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}
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}
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}
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/**
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* 处理图片选择结果 OMO
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*/
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