diff options
Diffstat (limited to 'navit/android/src/org/navitproject/navit/FileBrowserActivity.java')
| -rw-r--r-- | navit/android/src/org/navitproject/navit/FileBrowserActivity.java | 233 |
1 files changed, 116 insertions, 117 deletions
diff --git a/navit/android/src/org/navitproject/navit/FileBrowserActivity.java b/navit/android/src/org/navitproject/navit/FileBrowserActivity.java index dc7462b76..2d7242264 100644 --- a/navit/android/src/org/navitproject/navit/FileBrowserActivity.java +++ b/navit/android/src/org/navitproject/navit/FileBrowserActivity.java @@ -1,30 +1,34 @@ package org.navitproject.navit; -//Heavily based on code from -//https://github.com/mburman/Android-File-Explore +// Heavily based on code from +// https://github.com/mburman/Android-File-Explore // Version of Aug 13, 2011 -//Also contributed: -// Sugan Krishnan (https://github.com/rgksugan) - Jan 2013. +// Also contributed: +// Sugan Krishnan (https://github.com/rgksugan) - Jan 2013. // -//Project type now is Android library: -// http://developer.android.com/guide/developing/projects/projects-eclipse.html#ReferencingLibraryProject +// Project type now is Android library: +// http://developer.android.com/guide/developing/projects/projects-eclipse.html#ReferencingLibraryProject -//Android imports import android.app.Activity; import android.content.Intent; import android.content.res.Configuration; -import android.graphics.Color; import android.os.Bundle; import android.os.Environment; import android.os.StatFs; import android.util.Log; -import android.view.*; +import android.view.View; import android.view.View.OnClickListener; +import android.view.ViewGroup; import android.view.ViewGroup.LayoutParams; -import android.widget.*; +import android.widget.AdapterView; +import android.widget.ArrayAdapter; +import android.widget.Button; +import android.widget.LinearLayout; +import android.widget.ListView; +import android.widget.TextView; +import android.widget.Toast; -//General Java imports import java.io.File; import java.io.FilenameFilter; import java.util.ArrayList; @@ -32,44 +36,42 @@ import java.util.Collections; import java.util.Comparator; import java.util.List; -//Import of resources file for file browser -import org.navitproject.navit.R; public class FileBrowserActivity extends Activity { // Intent Action Constants public static final String INTENT_ACTION_SELECT_DIR = "ua.com.vassiliev.androidfilebrowser.SELECT_DIRECTORY_ACTION"; - public static final String INTENT_ACTION_SELECT_FILE = "ua.com.vassiliev.androidfilebrowser.SELECT_FILE_ACTION"; + private static final String INTENT_ACTION_SELECT_FILE = "ua.com.vassiliev.androidfilebrowser.SELECT_FILE_ACTION"; // Intent parameters names constants public static final String startDirectoryParameter = "ua.com.vassiliev.androidfilebrowser.directoryPath"; public static final String returnDirectoryParameter = "ua.com.vassiliev.androidfilebrowser.directoryPathRet"; - public static final String returnFileParameter = "ua.com.vassiliev.androidfilebrowser.filePathRet"; - public static final String showCannotReadParameter = "ua.com.vassiliev.androidfilebrowser.showCannotRead"; - public static final String filterExtension = "ua.com.vassiliev.androidfilebrowser.filterExtension"; + private static final String returnFileParameter = "ua.com.vassiliev.androidfilebrowser.filePathRet"; + private static final String showCannotReadParameter = "ua.com.vassiliev.androidfilebrowser.showCannotRead"; + private static final String filterExtension = "ua.com.vassiliev.androidfilebrowser.filterExtension"; // Stores names of traversed directories - ArrayList<String> pathDirsList = new ArrayList<String>(); + private final ArrayList<String> mPathDirsList = new ArrayList<>(); // Check if the first level of the directory structure is the one showing // private Boolean firstLvl = true; - private static final String LOGTAG = "F_PATH"; + private static final String TAG = "F_PATH"; - private List<Item> fileList = new ArrayList<Item>(); - private File path = null; - private String chosenFile; + private final List<Item> mFileList = new ArrayList<>(); + private File mPath = null; + private String mChosenFile; // private static final int DIALOG_LOAD_FILE = 1000; - ArrayAdapter<Item> adapter; + private ArrayAdapter<Item> mAdapter; - private boolean showHiddenFilesAndDirs = true; + private boolean mShowHiddenFilesAndDirs = true; - private boolean directoryShownIsEmpty = false; + private boolean mDirectoryShownIsEmpty = false; - private String filterFileExtension = null; + private String mFilterFileExtension = null; // Action constants - private static int currentAction = -1; + private static int sCurrentAction = -1; private static final int SELECT_DIRECTORY = 1; private static final int SELECT_FILE = 2; @@ -85,17 +87,17 @@ public class FileBrowserActivity extends Activity { // Set action for this activity Intent thisInt = this.getIntent(); - currentAction = SELECT_DIRECTORY;// This would be a default action in + sCurrentAction = SELECT_DIRECTORY;// This would be a default action in // case not set by intent if (thisInt.getAction().equalsIgnoreCase(INTENT_ACTION_SELECT_FILE)) { - Log.d(LOGTAG, "SELECT ACTION - SELECT FILE"); - currentAction = SELECT_FILE; + Log.d(TAG, "SELECT ACTION - SELECT FILE"); + sCurrentAction = SELECT_FILE; } - showHiddenFilesAndDirs = thisInt.getBooleanExtra( + mShowHiddenFilesAndDirs = thisInt.getBooleanExtra( showCannotReadParameter, true); - filterFileExtension = thisInt.getStringExtra(filterExtension); + mFilterFileExtension = thisInt.getStringExtra(filterExtension); setInitialDirectory(); @@ -105,7 +107,7 @@ public class FileBrowserActivity extends Activity { this.initializeButtons(); this.initializeFileListView(); updateCurrentDirectoryTextView(); - Log.d(LOGTAG, path.getAbsolutePath()); + Log.d(TAG, mPath.getAbsolutePath()); } private void setInitialDirectory() { @@ -116,85 +118,83 @@ public class FileBrowserActivity extends Activity { if (requestedStartDir != null && requestedStartDir.length() > 0) { // if(requestedStartDir!=null File tempFile = new File(requestedStartDir); if (tempFile.isDirectory()) { - this.path = tempFile; + this.mPath = tempFile; } } // if(requestedStartDir!=null - if (this.path == null) { // No or invalid directory supplied in intent parameter + if (this.mPath == null) { // No or invalid directory supplied in intent parameter if (Environment.getExternalStorageDirectory().isDirectory() && Environment.getExternalStorageDirectory().canRead()) { - path = Environment.getExternalStorageDirectory(); + mPath = Environment.getExternalStorageDirectory(); } else { - path = new File("/"); + mPath = new File("/"); } } // if(this.path==null) {//No or invalid directory supplied in intent parameter } // private void setInitialDirectory() { private void parseDirectoryPath() { - pathDirsList.clear(); - String pathString = path.getAbsolutePath(); + mPathDirsList.clear(); + String pathString = mPath.getAbsolutePath(); String[] parts = pathString.split("/"); int i = 0; while (i < parts.length) { - pathDirsList.add(parts[i]); + mPathDirsList.add(parts[i]); i++; } } private void initializeButtons() { - Button upDirButton = (Button) this.findViewById(R.id.upDirectoryButton); + Button upDirButton = this.findViewById(R.id.upDirectoryButton); upDirButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { - Log.d(LOGTAG, "onclick for upDirButton"); + Log.d(TAG, "onclick for upDirButton"); loadDirectoryUp(); loadFileList(); - adapter.notifyDataSetChanged(); + mAdapter.notifyDataSetChanged(); updateCurrentDirectoryTextView(); } });// upDirButton.setOnClickListener( - Button selectFolderButton = (Button) this + Button selectFolderButton = this .findViewById(R.id.selectCurrentDirectoryButton); - if (currentAction == SELECT_DIRECTORY) { + if (sCurrentAction == SELECT_DIRECTORY) { selectFolderButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { - Log.d(LOGTAG, "onclick for selectFolderButton"); + Log.d(TAG, "onclick for selectFolderButton"); returnDirectoryFinishActivity(); } }); - } else { // if(currentAction == this.SELECT_DIRECTORY) { + } else { // if(sCurrentAction == this.SELECT_DIRECTORY) { selectFolderButton.setVisibility(View.GONE); - } // } else {//if(currentAction == this.SELECT_DIRECTORY) { + } // } else {//if(sCurrentAction == this.SELECT_DIRECTORY) { } // private void initializeButtons() { private void loadDirectoryUp() { // present directory removed from list - String s = pathDirsList.remove(pathDirsList.size() - 1); + String s = mPathDirsList.remove(mPathDirsList.size() - 1); // path modified to exclude present directory - path = new File(path.toString().substring(0, - path.toString().lastIndexOf(s))); - fileList.clear(); + mPath = new File(mPath.toString().substring(0, + mPath.toString().lastIndexOf(s))); + mFileList.clear(); } private void updateCurrentDirectoryTextView() { int i = 0; String curDirString = ""; - while (i < pathDirsList.size()) { - curDirString += pathDirsList.get(i) + "/"; + while (i < mPathDirsList.size()) { + curDirString += mPathDirsList.get(i) + "/"; i++; } - if (pathDirsList.size() == 0) { - ((Button) this.findViewById(R.id.upDirectoryButton)) - .setEnabled(false); + if (mPathDirsList.size() == 0) { + this.findViewById(R.id.upDirectoryButton).setEnabled(false); curDirString = "/"; } else { - ((Button) this.findViewById(R.id.upDirectoryButton)) - .setEnabled(true); + this.findViewById(R.id.upDirectoryButton).setEnabled(true); } long freeSpace = getFreeSpace(curDirString); String formattedSpaceString = formatBytes(freeSpace); if (freeSpace == 0) { - Log.d(LOGTAG, "NO FREE SPACE"); + Log.d(TAG, "NO FREE SPACE"); File currentDir = new File(curDirString); if (!currentDir.canWrite()) { formattedSpaceString = "NON Writable"; @@ -213,35 +213,35 @@ public class FileBrowserActivity extends Activity { } private void initializeFileListView() { - ListView lView = (ListView) this.findViewById(R.id.fileListView); + ListView lView = this.findViewById(R.id.fileListView); LinearLayout.LayoutParams lParam = new LinearLayout.LayoutParams( LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT); lParam.setMargins(15, 5, 15, 5); - lView.setAdapter(this.adapter); + lView.setAdapter(this.mAdapter); lView.setOnItemClickListener(new AdapterView.OnItemClickListener() { public void onItemClick(AdapterView<?> parent, View view, int position, long id) { - chosenFile = fileList.get(position).file; - File sel = new File(path + "/" + chosenFile); - Log.d(LOGTAG, "Clicked:" + chosenFile); + mChosenFile = mFileList.get(position).mFile; + File sel = new File(mPath + "/" + mChosenFile); + Log.d(TAG, "Clicked:" + mChosenFile); if (sel.isDirectory()) { if (sel.canRead()) { // Adds chosen directory to list - pathDirsList.add(chosenFile); - path = new File(sel + ""); - Log.d(LOGTAG, "Just reloading the list"); + mPathDirsList.add(mChosenFile); + mPath = new File(sel + ""); + Log.d(TAG, "Just reloading the list"); loadFileList(); - adapter.notifyDataSetChanged(); + mAdapter.notifyDataSetChanged(); updateCurrentDirectoryTextView(); - Log.d(LOGTAG, path.getAbsolutePath()); + Log.d(TAG, mPath.getAbsolutePath()); } else { // if(sel.canRead()) { showToast("Path does not exist or cannot be read"); } // } else {//if(sel.canRead()) { } else { // if (sel.isDirectory()) { // File picked or an empty directory message clicked - Log.d(LOGTAG, "item clicked"); - if (!directoryShownIsEmpty) { - Log.d(LOGTAG, "File selected:" + chosenFile); + Log.d(TAG, "item clicked"); + if (!mDirectoryShownIsEmpty) { + Log.d(TAG, "File selected:" + mChosenFile); returnFileFinishActivity(sel.getAbsolutePath()); } } // else {//if (sel.isDirectory()) { @@ -251,7 +251,7 @@ public class FileBrowserActivity extends Activity { private void returnDirectoryFinishActivity() { Intent retIntent = new Intent(); - retIntent.putExtra(returnDirectoryParameter, path.getAbsolutePath()); + retIntent.putExtra(returnDirectoryParameter, mPath.getAbsolutePath()); this.setResult(RESULT_OK, retIntent); this.finish(); } // END private void returnDirectoryFinishActivity() { @@ -265,28 +265,28 @@ public class FileBrowserActivity extends Activity { private void loadFileList() { try { - path.mkdirs(); + mPath.mkdirs(); } catch (SecurityException e) { - Log.e(LOGTAG, "unable to write on the sd card "); + Log.i(TAG, "unable to write on the sd card "); } - fileList.clear(); + mFileList.clear(); - if (path.exists() && path.canRead()) { + if (mPath.exists() && mPath.canRead()) { FilenameFilter filter = new FilenameFilter() { public boolean accept(File dir, String filename) { File sel = new File(dir, filename); - boolean showReadableFile = showHiddenFilesAndDirs + boolean showReadableFile = mShowHiddenFilesAndDirs || sel.canRead(); // Filters based on whether the file is hidden or not - if (currentAction == SELECT_DIRECTORY) { + if (sCurrentAction == SELECT_DIRECTORY) { return (sel.isDirectory() && showReadableFile); } - if (currentAction == SELECT_FILE) { + if (sCurrentAction == SELECT_FILE) { // If it is a file check the extension if provided - if (sel.isFile() && filterFileExtension != null) { + if (sel.isFile() && mFilterFileExtension != null) { return (showReadableFile && sel.getName().endsWith( - filterFileExtension)); + mFilterFileExtension)); } return (showReadableFile); } @@ -294,12 +294,12 @@ public class FileBrowserActivity extends Activity { } // public boolean accept(File dir, String filename) { }; // FilenameFilter filter = new FilenameFilter() { - String[] fList = path.list(filter); - this.directoryShownIsEmpty = false; + String[] fList = mPath.list(filter); + this.mDirectoryShownIsEmpty = false; for (int i = 0; i < fList.length; i++) { // Convert into file path - File sel = new File(path, fList[i]); - Log.d(LOGTAG, "File:" + fList[i] + " readable:" + (Boolean.valueOf(sel.canRead())).toString()); + File sel = new File(mPath, fList[i]); + Log.d(TAG, "File:" + fList[i] + " readable:" + (Boolean.valueOf(sel.canRead())).toString()); int drawableID = R.drawable.file_icon; boolean canRead = sel.canRead(); // Set drawables @@ -310,36 +310,36 @@ public class FileBrowserActivity extends Activity { drawableID = R.drawable.folder_icon_light; } } - fileList.add(i, new Item(fList[i], drawableID, canRead)); + mFileList.add(i, new Item(fList[i], drawableID, canRead)); } // for (int i = 0; i < fList.length; i++) { - if (fileList.size() == 0) { + if (mFileList.size() == 0) { // Log.d(LOGTAG, "This directory is empty"); - this.directoryShownIsEmpty = true; - fileList.add(0, new Item("Directory is empty", -1, true)); + this.mDirectoryShownIsEmpty = true; + mFileList.add(0, new Item("Directory is empty", -1, true)); } else { // sort non empty list - Collections.sort(fileList, new ItemFileNameComparator()); + Collections.sort(mFileList, new ItemFileNameComparator()); } } else { - Log.e(LOGTAG, "path does not exist or cannot be read"); + Log.e(TAG, "path does not exist or cannot be read"); } // Log.d(TAG, "loadFileList finished"); } // private void loadFileList() { private void createFileListAdapter() { - adapter = new ArrayAdapter<Item>(this, + mAdapter = new ArrayAdapter<Item>(this, android.R.layout.select_dialog_item, android.R.id.text1, - fileList) { + mFileList) { @Override public View getView(int position, View convertView, ViewGroup parent) { // creates view View view = super.getView(position, convertView, parent); - TextView textView = (TextView) view + TextView textView = view .findViewById(android.R.id.text1); // put the image on the text view int drawableID = 0; - if (fileList.get(position).icon != -1) { + if (mFileList.get(position).mIcon != -1) { // If icon == -1, then directory is empty - drawableID = fileList.get(position).icon; + drawableID = mFileList.get(position).mIcon; } textView.setCompoundDrawablesWithIntrinsicBounds(drawableID, 0, 0, 0); @@ -360,33 +360,34 @@ public class FileBrowserActivity extends Activity { } // private createFileListAdapter(){ private class Item { - public String file; - public int icon; - public boolean canRead; + String mFile; + int mIcon; + public boolean mCanRead; - public Item(String file, Integer icon, boolean canRead) { - this.file = file; - this.icon = icon; + Item(String file, Integer icon, boolean canRead) { + this.mFile = file; + this.mIcon = icon; } @Override public String toString() { - return file; + return mFile; } } // END private class Item { private class ItemFileNameComparator implements Comparator<Item> { public int compare(Item lhs, Item rhs) { - return lhs.file.toLowerCase().compareTo(rhs.file.toLowerCase()); + return lhs.mFile.toLowerCase().compareTo(rhs.mFile.toLowerCase()); } } + @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); if (newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE) { - Log.d(LOGTAG, "ORIENTATION_LANDSCAPE"); + Log.d(TAG, "ORIENTATION_LANDSCAPE"); } else if (newConfig.orientation == Configuration.ORIENTATION_PORTRAIT) { - Log.d(LOGTAG, "ORIENTATION_PORTRAIT"); + Log.d(TAG, "ORIENTATION_PORTRAIT"); } // Layout apparently changes itself, only have to provide good onMeasure // in custom components @@ -394,34 +395,32 @@ public class FileBrowserActivity extends Activity { // if(newConfig.keyboard == Configuration.KEYBOARDHIDDEN_YES) } // END public void onConfigurationChanged(Configuration newConfig) { - public static long getFreeSpace(String path) { + private static long getFreeSpace(String path) { StatFs stat = new StatFs(path); - long availSize = (long) stat.getAvailableBlocks() - * (long) stat.getBlockSize(); - return availSize; + return (long) stat.getAvailableBlocks() * (long) stat.getBlockSize(); } // END public static long getFreeSpace(String path) { - public static String formatBytes(long bytes) { + private static String formatBytes(long bytes) { // TODO: add flag to which part is needed (e.g. GB, MB, KB or bytes) String retStr = ""; // One binary gigabyte equals 1,073,741,824 bytes. if (bytes > 1073741824) { // Add GB long gbs = bytes / 1073741824; - retStr += (new Long(gbs)).toString() + "GB "; + retStr += (Long.valueOf(gbs)).toString() + "GB "; bytes = bytes - (gbs * 1073741824); } // One MB - 1048576 bytes if (bytes > 1048576) { // Add GB long mbs = bytes / 1048576; - retStr += (new Long(mbs)).toString() + "MB "; + retStr += (Long.valueOf(mbs)).toString() + "MB "; bytes = bytes - (mbs * 1048576); } if (bytes > 1024) { long kbs = bytes / 1024; - retStr += (new Long(kbs)).toString() + "KB"; + retStr += (Long.valueOf(kbs)).toString() + "KB"; bytes = bytes - (kbs * 1024); } else { - retStr += (new Long(bytes)).toString() + " bytes"; + retStr += (Long.valueOf(bytes)).toString() + " bytes"; } return retStr; } // public static String formatBytes(long bytes){ |