Feature del

app/src/main/java/swati4star/createpdf/activity/CropImageActivity.java

@@ -77,24 +77,55 @@ public void onCreate(Bundle savedInstanceState) {
  }
 
  public void cropButtonClicked() {
- mCurrentImageEdited = false;
- String root = Environment.getExternalStorageDirectory().toString();
- File folder = new File(root + pdfDirectory);
- Uri uri = mCropImageView.getImageUri();
 
- if (uri == null) {
- StringUtils.getInstance().showSnackbar(this, R.string.error_uri_not_found);
- return;
+ // 假设存在一个函数检查是否有PDF文件创建
+ boolean isPdfCreated = checkIfPdfCreated();
+ private boolean checkIfPdfCreated() {
+ AppDatabase db = AppDatabase.getDatabase(mContext.getApplicationContext());
+ // 你需要创建一个查询方法来检查是否存在PDF记录
+ // 假设历史记录中包含一个字段标识操作类型
+ // 这里假设operationType为"PDF_CREATED"，具体取决于你的实现
+ String operationTypeToCheck = "PDF_CREATED";
+
+ // 查询是否有任何记录的操作类型为"PDF_CREATED"
+ return db.historyDao().existsOperationType(operationTypeToCheck);
  }
 
- String path = uri.getPath();
- String filename = "cropped_im";
- if (path != null)
- filename = "cropped_" + FileUtils.getFileName(path);
 
- File file = new File(folder, filename);
 
- mCropImageView.saveCroppedImageAsync(Uri.fromFile(file));
+ Button deleteButton = findViewById(R.id.btn_delete);
+
+ if (isPdfCreated) {
+ deleteButton.setEnabled(true); // 启用删除按钮
+ deleteButton.setOnClickListener(new View.OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ // 删除PDF的代码逻辑
+ mCurrentImageEdited = false;
+ String root = Environment.getExternalStorageDirectory().toString();
+ File folder = new File(root + pdfDirectory);
+ Uri uri = mCropImageView.getImageUri();
+
+ if (uri == null) {
+ StringUtils.getInstance().showSnackbar(this, R.string.error_uri_not_found);
+ return;
+ }
+
+ String path = uri.getPath();
+ String filename = "cropped_im";
+ if (path != null)
+ filename = "cropped_" + FileUtils.getFileName(path);
+
+ File file = new File(folder, filename);
+
+ mCropImageView.saveCroppedImageAsync(Uri.fromFile(file));
+ }
+ });
+ } else {
+ deleteButton.setEnabled(false); // 禁用删除按钮
+ }
+
+
  }
 
  public void rotateButtonClicked() {

app/src/main/java/swati4star/createpdf/activity/FavouritesActivity.java

@@ -64,6 +64,36 @@ public boolean onCreateOptionsMenu(Menu menu) {
  return true;
  }
 
+ if (isPdfCreated) {
+ deleteButton.setEnabled(true); // 启用删除按钮
+ deleteButton.setOnClickListener(new View.OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ // 删除PDF的代码逻辑
+ mCurrentImageEdited = false;
+ String root = Environment.getExternalStorageDirectory().toString();
+ File folder = new File(root + pdfDirectory);
+ Uri uri = mCropImageView.getImageUri();
+
+ if (uri == null) {
+ StringUtils.getInstance().showSnackbar(this, R.string.error_uri_not_found);
+ return;
+ }
+
+ String path = uri.getPath();
+ String filename = "cropped_im";
+ if (path != null)
+ filename = "cropped_" + FileUtils.getFileName(path);
+
+ File file = new File(folder, filename);
+
+ mCropImageView.saveCroppedImageAsync(Uri.fromFile(file));
+ }
+ });
+ } else {
+ deleteButton.setEnabled(false); // 禁用删除按钮
+ }
+
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
  switch (item.getItemId()) {

app/src/main/java/swati4star/createpdf/activity/ImageEditor.java

@@ -137,6 +137,24 @@ void nextImg() {
  void previousImg() {
  //move to previous if Save Current has been clicked
  if (mClicked) {
+ mCurrentImageEdited = false;
+ String root = Environment.getExternalStorageDirectory().toString();
+ File folder = new File(root + pdfDirectory);
+ Uri uri = mCropImageView.getImageUri();
+
+ if (uri == null) {
+ StringUtils.getInstance().showSnackbar(this, R.string.error_uri_not_found);
+ return;
+ }
+
+ String path = uri.getPath();
+ String filename = "cropped_im";
+ if (path != null)
+ filename = "cropped_" + FileUtils.getFileName(path);
+
+ File file = new File(folder, filename);
+
+ mCropImageView.saveCroppedImageAsync(Uri.fromFile(file));
  changeAndShowImageCount((mCurrentImage - 1 % mDisplaySize));
  } else
  StringUtils.getInstance().showSnackbar(this, R.string.save_first);

app/src/main/java/swati4star/createpdf/activity/MainActivity.java

@@ -307,7 +307,65 @@ private void requestStoragePermission_API30AndAbove(boolean giveExplanation) {
  public void onPositiveButtonClick() {
  // On Allow button clicked
  // On Re-try button clicked
- openOSSettingsForPermissionRequest_API30AndAbove();
+ // 假设存在一个函数检查是否有PDF文件创建
+ boolean isPdfCreated = checkIfPdfCreated();
+ private boolean checkIfPdfCreated() {
+ AppDatabase db = AppDatabase.getDatabase(mContext.getApplicationContext());
+ // 你需要创建一个查询方法来检查是否存在PDF记录
+ // 假设历史记录中包含一个字段标识操作类型
+ // 这里假设operationType为"PDF_CREATED"，具体取决于你的实现
+ String operationTypeToCheck = "PDF_CREATED";
+
+ // 查询是否有任何记录的操作类型为"PDF_CREATED"
+ return db.historyDao().existsOperationType(operationTypeToCheck);
+ }
+
+ if (isPdfCreated) {
+ deleteButton.setEnabled(true); // 启用删除按钮
+ deleteButton.setOnClickListener(new View.OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ // 删除PDF的代码逻辑
+ mCurrentImageEdited = false;
+ String root = Environment.getExternalStorageDirectory().toString();
+ File folder = new File(root + pdfDirectory);
+ Uri uri = mCropImageView.getImageUri();
+
+ if (uri == null) {
+ StringUtils.getInstance().showSnackbar(this, R.string.error_uri_not_found);
+ return;
+ }
+
+ String path = uri.getPath();
+ String filename = "cropped_im";
+ if (path != null)
+ filename = "cropped_" + FileUtils.getFileName(path);
+
+ File file = new File(folder, filename);
+
+ mCropImageView.saveCroppedImageAsync(Uri.fromFile(file));
+ }
+ });
+ } else {
+ deleteButton.setEnabled(false); // 禁用删除按钮
+ }
+
+ Button deleteButton = findViewById(R.id.btn_delete);
+
+ if (isPdfCreated) {
+ deleteButton.setEnabled(true); // 启用删除按钮
+ deleteButton.setOnClickListener(new View.OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ // 删除PDF的代码逻辑
+ // openOSSettingsForPermissionRequest_API30AndAbove();
+ }
+ });
+ } else {
+ deleteButton.setEnabled(false); // 禁用删除按钮
+ }
+
+
  }
 
  @RequiresApi(api = Build.VERSION_CODES.R)

app/src/main/java/swati4star/createpdf/activity/PreviewActivity.java

@@ -36,10 +36,62 @@ public class PreviewActivity extends AppCompatActivity implements PreviewImageOp
  private PreviewAdapter mPreviewAdapter;
  private ViewPager mViewPager;
 
+ private boolean checkIfPdfCreated() {
+ AppDatabase db = AppDatabase.getDatabase(mContext.getApplicationContext());
+ // 你需要创建一个查询方法来检查是否存在PDF记录
+ // 假设历史记录中包含一个字段标识操作类型
+ // 这里假设operationType为"PDF_CREATED"，具体取决于你的实现
+ String operationTypeToCheck = "PDF_CREATED";
+
+ // 查询是否有任何记录的操作类型为"PDF_CREATED"
+ return db.historyDao().existsOperationType(operationTypeToCheck);
+ }
+ if (isPdfCreated) {
+ deleteButton.setEnabled(true); // 启用删除按钮
+ deleteButton.setOnClickListener(new View.OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ // 删除PDF的代码逻辑
+ mCurrentImageEdited = false;
+ String root = Environment.getExternalStorageDirectory().toString();
+ File folder = new File(root + pdfDirectory);
+ Uri uri = mCropImageView.getImageUri();
+
+ if (uri == null) {
+ StringUtils.getInstance().showSnackbar(this, R.string.error_uri_not_found);
+ return;
+ }
+
+ String path = uri.getPath();
+ String filename = "cropped_im";
+ if (path != null)
+ filename = "cropped_" + FileUtils.getFileName(path);
+
+ File file = new File(folder, filename);
+
+ mCropImageView.saveCroppedImageAsync(Uri.fromFile(file));
+ }
+ });
+ } else {
+ deleteButton.setEnabled(false); // 禁用删除按钮
+ }
+
  public static Intent getStartIntent(Context context, ArrayList<String> uris) {
+ changeAndShowImageCount((mCurrentImage - 1 % mDisplaySize));
  Intent intent = new Intent(context, PreviewActivity.class);
  intent.putExtra(PREVIEW_IMAGES, uris);
  return intent;
+ if (isPdfCreated) {
+ deleteButton.setEnabled(true); // 启用删除按钮
+ deleteButton.setOnClickListener(new View.OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ // 删除PDF的代码逻辑
+ }
+ });
+ } else {
+ deleteButton.setEnabled(false); // 禁用删除按钮
+ }
  }
 
  @Override

app/src/main/java/swati4star/createpdf/activity/RearrangeImages.java

@@ -87,25 +87,48 @@ public void onDownClick(int position) {
 
  @Override
  public void onRemoveClick(int position) {
- if (mSharedPreferences.getBoolean(Constants.CHOICE_REMOVE_IMAGE, false)) {
- mImages.remove(position);
- mRearrangeImagesAdapter.positionChanged(mImages);
- } else {
- MaterialDialog.Builder builder = DialogUtils.getInstance().createWarningDialog(this,
- R.string.remove_image_message);
- builder.checkBoxPrompt(getString(R.string.dont_show_again), false, null)
- .onPositive((dialog, which) -> {
- if (dialog.isPromptCheckBoxChecked()) {
- SharedPreferences.Editor editor = mSharedPreferences.edit();
- editor.putBoolean(CHOICE_REMOVE_IMAGE, true);
- editor.apply();
- }
+ private boolean checkIfPdfCreated() {
+ AppDatabase db = AppDatabase.getDatabase(mContext.getApplicationContext());
+ // 你需要创建一个查询方法来检查是否存在PDF记录
+ // 假设历史记录中包含一个字段标识操作类型
+ // 这里假设operationType为"PDF_CREATED"，具体取决于你的实现
+ String operationTypeToCheck = "PDF_CREATED";
+
+ // 查询是否有任何记录的操作类型为"PDF_CREATED"
+ return db.historyDao().existsOperationType(operationTypeToCheck);
+ }
+
+
+ if (isPdfCreated) {
+ deleteButton.setEnabled(true); // 启用删除按钮
+ deleteButton.setOnClickListener(new View.OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ if (mSharedPreferences.getBoolean(Constants.CHOICE_REMOVE_IMAGE, false)) {
  mImages.remove(position);
  mRearrangeImagesAdapter.positionChanged(mImages);
-
- })
- .show();
+ } else {
+ MaterialDialog.Builder builder = DialogUtils.getInstance().createWarningDialog(this,
+ R.string.remove_image_message);
+ builder.checkBoxPrompt(getString(R.string.dont_show_again), false, null)
+ .onPositive((dialog, which) -> {
+ if (dialog.isPromptCheckBoxChecked()) {
+ SharedPreferences.Editor editor = mSharedPreferences.edit();
+ editor.putBoolean(CHOICE_REMOVE_IMAGE, true);
+ editor.apply();
+ }
+ mImages.remove(position);
+ mRearrangeImagesAdapter.positionChanged(mImages);
+
+ })
+ .show();
+ }
+ }
+ });
+ } else {
+ deleteButton.setEnabled(false); // 禁用删除按钮
  }
+
  }
 
  private void passUris() {

app/src/main/java/swati4star/createpdf/activity/RearrangePdfPages.java

@@ -36,6 +36,26 @@
 
 public class RearrangePdfPages extends AppCompatActivity implements RearrangePdfAdapter.OnClickListener {
 
+
+ if (mSharedPreferences.getBoolean(Constants.CHOICE_REMOVE_IMAGE, false)) {
+ mImages.remove(position);
+ mRearrangeImagesAdapter.positionChanged(mImages);
+ } else {
+ MaterialDialog.Builder builder = DialogUtils.getInstance().createWarningDialog(this,
+ R.string.remove_image_message);
+ builder.checkBoxPrompt(getString(R.string.dont_show_again), false, null)
+ .onPositive((dialog, which) -> {
+ if (dialog.isPromptCheckBoxChecked()) {
+ SharedPreferences.Editor editor = mSharedPreferences.edit();
+ editor.putBoolean(CHOICE_REMOVE_IMAGE, true);
+ editor.apply();
+ }
+ mImages.remove(position);
+ mRearrangeImagesAdapter.positionChanged(mImages);
+
+ })
+ .show();
+ }
  public static ArrayList<Bitmap> mImages;
  @BindView(R.id.recyclerView)
  RecyclerView mRecyclerView;
@@ -68,7 +88,7 @@ protected void onCreate(@Nullable Bundle savedInstanceState) {
  finish();
  } else
  initRecyclerView(mImages);
- }
+  isPdfCreated }
 
  private void initRecyclerView(ArrayList<Bitmap> images) {
  LinearLayoutManager layoutManager = new LinearLayoutManager(this,

app/src/main/java/swati4star/createpdf/activity/WelcomeActivity.java

@@ -129,7 +129,7 @@ public Object instantiateItem(@NonNull ViewGroup container, int position) {
  View view = layoutInflater.inflate(mLayouts[position], container, false);
  if (position == 9) {
  Button btnGetStarted = view.findViewById(R.id.getStarted);
- btnGetStarted.setOnClickListener(v -> openMainActivity());
+ btnGetStarted.setOnisPdfCreatedListener(v -> openMainActivity());
  }
  container.addView(view);
  return view;

app/src/main/java/swati4star/createpdf/adapter/BrushItemAdapter.java

@@ -62,6 +62,24 @@ public class BrushItemViewHolder extends RecyclerView.ViewHolder implements View
  super(itemView);
  ButterKnife.bind(this, itemView);
  itemView.setOnClickListener(this);
+
+ // 假设存在一个函数检查是否有PDF文件创建
+ boolean isPdfCreated = checkIfPdfCreated();
+
+ Button deleteButton = findViewById(R.id.btn_delete);
+
+ if (isPdfCreated) {
+ deleteButton.setEnabled(true); // 启用删除按钮
+ deleteButton.setOnClickListener(new View.OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ // 删除PDF的代码逻辑
+ }
+ });
+ } else {
+ deleteButton.setEnabled(false); // 禁用删除按钮
+ }
+
  }
 
  @Override