Example usage for android.content.res AssetManager list

Introduction

In this page you can find the example usage for android.content.res AssetManager list.

Prototype

public @Nullable String[] list(@NonNull String path) throws IOException 

Source Link

Document

Return a String array of all the assets at the given path.

Usage

From source file:org.de.jmg.learn.MainActivity.java

private void CopyAssets() {
    libLearn.gStatus = "Copy Assets";
    File F = android.os.Environment.getExternalStorageDirectory();
    boolean successful = false;
    for (int i = 0; i < 2; i++) {
        if (!F.exists() || i == 1) {
            F = new File(getApplicationInfo().dataDir);
        }/* w  w w .  j a v  a2s  . c  o m*/
        String extPath = F.getPath();
        JMGDataDirectory = prefs.getString("JMGDataDirectory", Path.combine(extPath, "learnforandroid", "vok"));
        //JMGDataDirectory = Path.combine(extPath, "learnforandroid", "vok");

        if (F.isDirectory() && F.exists()) {
            File F1 = new File(JMGDataDirectory);
            if (!F1.isDirectory() && !F1.exists()) {
                System.out.println(F1.mkdirs());
            } else {
                int dontcopy = prefs.getInt("dontcopyorchoose", -2);
                yesnoundefined rres;
                if (dontcopy == -2) {
                    rres = yesnoundefined.undefined;
                } else if (dontcopy == 0) {
                    rres = yesnoundefined.yes;
                } else {
                    rres = yesnoundefined.no;
                }
                lib.YesNoCheckResult res = new lib.YesNoCheckResult(rres, false);
                if (rres == yesnoundefined.undefined) {
                    res = lib.ShowMessageYesNoWithCheckbox(this, this.getString(R.string.copy),
                            this.getString(R.string.copyfiles), this.getString(R.string.msgRememberChoice),
                            false);
                }
                if (res != null) {
                    if (res.checked) {
                        prefs.edit().putInt("dontcopyorchoose", (res.res == yesnoundefined.no ? -1 : 0))
                                .commit();
                    }
                    if (res.res == yesnoundefined.no)
                        return;
                }
            }
            AssetManager A = this.getAssets();
            try {
                final String languages[] = new String[] { "Greek", "Hebrew", "KAR", "Spanish" };
                final String path = F1.getPath();
                for (String language : languages) {
                    F1 = new File(Path.combine(path, language));
                    for (String File : A.list(language)) {
                        InputStream myInput = A.open(Path.combine(language, File));
                        String outFileName = Path.combine(F1.getPath(), File);
                        if (!F1.isDirectory()) {
                            System.out.println(F1.mkdirs());
                        }
                        // Open the empty db as the output stream

                        File file = new File(outFileName);

                        if (file.exists()) {
                            // file.delete();
                            successful = true;
                        } else {
                            try {
                                System.out.println(file.createNewFile());
                                OutputStream myOutput = new FileOutputStream(file);

                                byte[] buffer = new byte[1024];
                                int length;
                                while ((length = myInput.read(buffer, 0, 1024)) > 0) {
                                    myOutput.write(buffer, 0, length);
                                }

                                // Close the streams
                                myOutput.flush();
                                myOutput.close();
                                myInput.close();
                                successful = true;
                            } catch (Exception eex) {
                                if (i == 0)
                                    throw eex;
                                lib.ShowMessage(this,
                                        this.getString(R.string.fileCouldNotBeCreated) + " " + outFileName,
                                        this.getString(R.string.Error));
                                //successful=false;
                                throw eex;
                            }
                        }
                    }
                }
            } catch (IOException e) {

                // e.printStackTrace();
                if (i > 0)
                    lib.ShowException(this, e);
                // lib.ShowMessage(this, "CopyAssets");
                successful = false;
            }
        }
        if (successful)
            break;
    }

}

---

From source file:net.robotmedia.acv.ui.widget.OcrLayout.java

/** Copy OCR assets to the application folder in external storage. 
 *  http://stackoverflow.com/questions/4447477/android-how-to-copy-files-in-assets-to-sdcard
 *  *//*from w w w .  ja v a 2s  .c  o m*/
private boolean copyOcrAssets() {
    AssetManager assetManager = this.context.getAssets();
    ContextWrapper cw = new ContextWrapper(this.context);
    String[] files = null;
    File externalDir = this.context.getExternalFilesDir(null);
    File tessdataDir = new File(externalDir.getPath() + Constants.TESSDATA_DIR);

    // Create the Tesseract directory structure if it doesn't exist
    if (!tessdataDir.exists()) {
        tessdataDir.mkdirs();
    }

    try {
        files = assetManager.list("");
    } catch (IOException e) {
        Log.e(LOG_TAG, "copyOcrAssets() failed to get asset file list!" + e);
        return false;
    }

    for (String filename : files) {
        InputStream in = null;
        OutputStream out = null;

        // Only store expected files
        if (filename.equals(Constants.EDICT_DB_FILENAME) || filename.equals(Constants.TESSERACT_DB_FILENAME)
                || filename.equals(Constants.DEINFLECTION_DB_FILENAME)
                || filename.equals(Constants.SUBSTITUTIONS_DB_FILENAME)
                || filename.equals(Constants.EPLKUP_FILENAME)
                || filename.equals(Constants.EPLKUP_NON_PIE_FILENAME)
                || filename.equals(Constants.FREQ_DB_FILENAME)) {
            try {
                in = assetManager.open(filename);

                File outFile;

                if (filename.equals(Constants.TESSERACT_DB_FILENAME)) {
                    outFile = new File(tessdataDir, filename);
                } else if (filename.equals(Constants.EPLKUP_FILENAME)) {
                    outFile = new File(cw.getApplicationInfo().dataDir + "/" + Constants.EPLKUP_FILENAME);
                } else if (filename.equals(Constants.EPLKUP_NON_PIE_FILENAME)) {
                    outFile = new File(
                            cw.getApplicationInfo().dataDir + "/" + Constants.EPLKUP_NON_PIE_FILENAME);
                } else {
                    outFile = new File(externalDir, filename);
                }

                out = new FileOutputStream(outFile);
                FileUtils.copyFile(in, out);
                in.close();
                in = null;
                out.flush();
                out.close();
                out = null;

                // Give eplkup execute permissions
                if (filename.equals(Constants.EPLKUP_FILENAME)) {
                    ShellUtils.chmod(cw.getApplicationInfo().dataDir + "/" + Constants.EPLKUP_FILENAME, "744");
                } else if (filename.equals(Constants.EPLKUP_NON_PIE_FILENAME)) {
                    ShellUtils.chmod(cw.getApplicationInfo().dataDir + "/" + Constants.EPLKUP_NON_PIE_FILENAME,
                            "744");
                }
            } catch (IOException e) {
                Log.e(LOG_TAG, "copyOcrAssets() copy failed!" + e);
                return false;
            }
        }
    }

    return true;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• »