Java tutorial
package com.sentaroh.android.DriveRecorder.Log; /* The MIT License (MIT) Copyright (c) 2011-2013 Sentaroh Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ import java.io.File; import java.util.ArrayList; import android.app.Activity; import android.app.Dialog; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.res.Configuration; import android.net.Uri; import android.os.Bundle; import android.os.Handler; import android.support.v4.app.DialogFragment; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentTransaction; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.view.Window; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.AdapterView.OnItemLongClickListener; import android.widget.Button; import android.widget.ListView; import android.widget.TextView; import com.sentaroh.android.DriveRecorder.GlobalParameters; import com.sentaroh.android.DriveRecorder.R; import com.sentaroh.android.Utilities.MiscUtil; import com.sentaroh.android.Utilities.NotifyEvent; import com.sentaroh.android.Utilities.NotifyEvent.NotifyEventListener; import com.sentaroh.android.Utilities.ThreadCtrl; import com.sentaroh.android.Utilities.ContextMenu.CustomContextMenu; import com.sentaroh.android.Utilities.ContextMenu.CustomContextMenuItem.CustomContextMenuOnClickListener; import com.sentaroh.android.Utilities.Dialog.CommonDialog; import com.sentaroh.android.Utilities.Dialog.MessageDialogFragment; import com.sentaroh.android.Utilities.Dialog.ProgressBarDialogFragment; public class LogFileListDialogFragment extends DialogFragment { private final static boolean DEBUG_ENABLE = false; private final static String APPLICATION_TAG = "LogFileManagement"; private Dialog mDialog = null; private boolean mTerminateRequired = true; private LogFileListDialogFragment mFragment = null; private String mDialogTitle = null; private GlobalParameters mGlblParms = null; private Context mContext = null; private Handler mUiHandler = null; private ArrayList<LogFileListItem> mLogFileList = null; public static LogFileListDialogFragment newInstance(boolean retainInstance, String title) { if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "newInstance"); LogFileListDialogFragment frag = new LogFileListDialogFragment(); Bundle bundle = new Bundle(); bundle.putBoolean("retainInstance", retainInstance); bundle.putString("title", title); // bundle.putString("msgtext", msgtext); frag.setArguments(bundle); return frag; } public LogFileListDialogFragment() { if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "Constructor(Default)"); }; @Override public void onAttach(Activity activity) { super.onAttach(activity); if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onAttach"); }; @Override public void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onSaveInstanceState"); if (outState.isEmpty()) { outState.putBoolean("WORKAROUND_FOR_BUG_19917_KEY", true); } saveViewContents(); }; @Override public void onConfigurationChanged(final Configuration newConfig) { // Ignore orientation change to keep activity from restarting super.onConfigurationChanged(newConfig); if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onConfigurationChanged"); reInitViewWidget(); }; @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onActivityCreated"); }; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onCreateView"); View view = super.onCreateView(inflater, container, savedInstanceState); return view; }; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onCreate"); mUiHandler = new Handler(); mFragment = this; if (!mTerminateRequired) { mGlblParms = (GlobalParameters) getActivity().getApplication(); Bundle bd = getArguments(); setRetainInstance(bd.getBoolean("retainInstance")); mDialogTitle = bd.getString("title"); mContext = getActivity().getApplicationContext(); mLogFileList = LogUtil.createLogFileList(mGlblParms); } }; @Override public Dialog onCreateDialog(Bundle savedInstanceState) { if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onCreateDialog"); mDialog = new Dialog(getActivity()); mDialog.requestWindowFeature(Window.FEATURE_NO_TITLE); mDialog.setCanceledOnTouchOutside(false); if (!mTerminateRequired) { initViewWidget(); } return mDialog; }; @Override public void onStart() { CommonDialog.setDlgBoxSizeLimit(mDialog, true); super.onStart(); if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onStart"); if (mTerminateRequired) mDialog.cancel(); }; @Override public void onCancel(DialogInterface di) { if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onCancel"); mFragment.dismiss(); super.onCancel(di); }; @Override public void onDismiss(DialogInterface di) { if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onDismiss"); super.onDismiss(di); }; @Override public void onStop() { super.onStop(); if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onStop"); }; @Override public void onDestroyView() { if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onDestroyView"); if (getDialog() != null && getRetainInstance()) getDialog().setDismissMessage(null); super.onDestroyView(); }; @Override public void onDetach() { super.onDetach(); if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onDetach"); }; private void reInitViewWidget() { if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "reInitViewWidget"); if (!mTerminateRequired) { Handler hndl = new Handler(); hndl.post(new Runnable() { @Override public void run() { saveViewContents(); initViewWidget(); restoreViewContents(); } }); } }; private void saveViewContents() { }; private void restoreViewContents() { }; private void initViewWidget() { if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "initViewWidget"); mDialog.setContentView(R.layout.log_file_list_dlg); final TextView dlg_title = (TextView) mDialog.findViewById(R.id.log_file_list_dlg_title); dlg_title.setText(mDialogTitle); final ListView lv_log_file = (ListView) mDialog.findViewById(R.id.log_file_list_dlg_log_listview); final Button btn_close = (Button) mDialog.findViewById(R.id.log_file_list_dlg_log_close); final LogFileListAdapter lfm_adapter = new LogFileListAdapter(mContext, R.layout.log_file_list_item, mLogFileList); lv_log_file.setAdapter(lfm_adapter); lv_log_file.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> arg0, View arg1, int pos, long arg3) { if (lfm_adapter.getItem(0).log_file_name == null) return; if (!isLogFileItemSelected(lfm_adapter)) processSelectedLogFile(lfm_adapter, pos); else lfm_adapter.getItem(pos).isChecked = !lfm_adapter.getItem(pos).isChecked; lfm_adapter.notifyDataSetChanged(); } }); lv_log_file.setOnItemLongClickListener(new OnItemLongClickListener() { @Override public boolean onItemLongClick(AdapterView<?> arg0, View arg1, int pos, long arg3) { createContextMenu(lfm_adapter, pos); return true; } }); btn_close.setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { mFragment.dismiss(); } }); // CommonDialog.setDlgBoxSizeLimit(mDialog, true); }; private void processSelectedLogFile(LogFileListAdapter lfm_adapter, int pos) { Intent intent = new Intent(android.content.Intent.ACTION_VIEW); intent.setDataAndType(Uri.parse("file://" + lfm_adapter.getItem(pos).log_file_path), "text/plain"); startActivity(intent); }; private boolean isLogFileItemSelected(LogFileListAdapter lfm_adapter) { boolean result = false; for (int i = 0; i < lfm_adapter.getCount(); i++) if (lfm_adapter.getItem(i).isChecked) { result = true; break; } return result; }; private void createContextMenu(LogFileListAdapter lfm_adapter, int pos) { if (lfm_adapter.getItem(0).log_file_name == null) return; LogFileListItem item; int scn = 0; // int cp=mGlblParms.profileListView.getFirstVisiblePosition(); for (int i = 0; i < lfm_adapter.getCount(); i++) { if (lfm_adapter.getItem(i).isChecked) { scn++; } } if (scn <= 1) {//single selection for (int i = 0; i < lfm_adapter.getCount(); i++) { item = lfm_adapter.getItem(i); if (pos == i) {// set checked item.isChecked = true; scn = i;//set new index no } else { if (item.isChecked) {//reset unchecked item.isChecked = false; } } } lfm_adapter.notifyDataSetChanged(); createContextMenuSingle(lfm_adapter, pos); } else { createContextMenuMultiple(lfm_adapter); } }; private void createContextMenuSingle(final LogFileListAdapter lfm_adapter, final int pos) { CustomContextMenu ccMenu = new CustomContextMenu(mFragment.getResources(), mFragment.getFragmentManager()); if (lfm_adapter.getItem(pos).isCurrentLogFile) { ccMenu.addMenuItem(mContext.getString(R.string.msgs_log_file_list_menu_archive), android.R.drawable.ic_menu_save).setOnClickListener(new CustomContextMenuOnClickListener() { @Override public void onClick(CharSequence menuTitle) { LogUtil.rotateLogFile(mContext); mUiHandler.postDelayed(new Runnable() { @Override public void run() { mLogFileList = LogUtil.createLogFileList(mGlblParms); lfm_adapter.replaceDataList(mLogFileList); } }, 100); } }); } ccMenu.addMenuItem(mContext.getString(R.string.msgs_log_file_list_menu_browse), R.drawable.browse_text) .setOnClickListener(new CustomContextMenuOnClickListener() { @Override public void onClick(CharSequence menuTitle) { Intent intent = new Intent(android.content.Intent.ACTION_VIEW); intent.setDataAndType(Uri.parse("file://" + lfm_adapter.getItem(pos).log_file_path), "text/plain"); startActivity(intent); } }); ccMenu.addMenuItem(mContext.getString(R.string.msgs_log_file_list_menu_send), android.R.drawable.ic_menu_share).setOnClickListener(new CustomContextMenuOnClickListener() { @Override public void onClick(CharSequence menuTitle) { sendLogFile(lfm_adapter); } }); if (!lfm_adapter.getItem(pos).isCurrentLogFile) { ccMenu.addMenuItem(mContext.getString(R.string.msgs_log_file_list_menu_delete), R.drawable.menu_trash) .setOnClickListener(new CustomContextMenuOnClickListener() { @Override public void onClick(CharSequence menuTitle) { confirmDeleteLogFile(lfm_adapter); } }); } ccMenu.createMenu(); }; private void createContextMenuMultiple(final LogFileListAdapter lfm_adapter) { CustomContextMenu ccMenu = new CustomContextMenu(mFragment.getResources(), mFragment.getFragmentManager()); ccMenu.addMenuItem(mContext.getString(R.string.msgs_log_file_list_menu_send), android.R.drawable.ic_menu_share).setOnClickListener(new CustomContextMenuOnClickListener() { @Override public void onClick(CharSequence menuTitle) { sendLogFile(lfm_adapter); } }); ccMenu.addMenuItem(mContext.getString(R.string.msgs_log_file_list_menu_delete), R.drawable.menu_trash) .setOnClickListener(new CustomContextMenuOnClickListener() { @Override public void onClick(CharSequence menuTitle) { confirmDeleteLogFile(lfm_adapter); } }); ccMenu.createMenu(); }; private void sendLogFile(final LogFileListAdapter lfm_adapter) { final String zip_file_name = mGlblParms.settingsLogFileDir + "log.zip"; int no_of_files = 0; for (int i = 0; i < lfm_adapter.getCount(); i++) { if (lfm_adapter.getItem(i).isChecked) no_of_files++; } final String[] file_name = new String[no_of_files]; int files_pos = 0; for (int i = 0; i < lfm_adapter.getCount(); i++) { if (lfm_adapter.getItem(i).isChecked) { file_name[files_pos] = lfm_adapter.getItem(i).log_file_path; files_pos++; } } final ThreadCtrl tc = new ThreadCtrl(); NotifyEvent ntfy = new NotifyEvent(mContext); ntfy.setListener(new NotifyEventListener() { @Override public void positiveResponse(Context c, Object[] o) { } @Override public void negativeResponse(Context c, Object[] o) { tc.setDisabled(); } }); final ProgressBarDialogFragment pbdf = ProgressBarDialogFragment.newInstance( mContext.getString(R.string.msgs_log_file_list_dlg_send_zip_file_creating), "", mContext.getString(R.string.msgs_common_dialog_cancel), mContext.getString(R.string.msgs_common_dialog_cancel)); pbdf.showDialog(getFragmentManager(), pbdf, ntfy, true); Thread th = new Thread() { @Override public void run() { File lf = new File(zip_file_name); lf.delete(); MiscUtil.createZipFile(tc, pbdf, zip_file_name, file_name); if (tc.isEnabled()) { Intent intent = new Intent(); intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); intent.setAction(Intent.ACTION_SEND); // intent.setType("message/rfc822"); // intent.setType("text/plain"); intent.setType("application/zip"); intent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(lf)); mFragment.getActivity().startActivity(intent); } else { lf.delete(); MessageDialogFragment mdf = MessageDialogFragment.newInstance(false, "W", mContext.getString(R.string.msgs_log_file_list_dlg_send_zip_file_cancelled), ""); mdf.showDialog(mFragment.getFragmentManager(), mdf, null); } pbdf.dismiss(); }; }; th.start(); }; private void confirmDeleteLogFile(final LogFileListAdapter lfm_adapter) { String delete_list = "", sep = ""; final ArrayList<String> file_path_list = new ArrayList<String>(); for (int i = 0; i < lfm_adapter.getCount(); i++) { LogFileListItem item = lfm_adapter.getItem(i); if (item.isChecked && !item.isCurrentLogFile) { delete_list += sep + item.log_file_name; sep = "\n"; file_path_list.add(item.log_file_path); } } NotifyEvent ntfy = new NotifyEvent(null); ntfy.setListener(new NotifyEventListener() { @Override public void positiveResponse(Context c, Object[] o) { for (int i = 0; i < file_path_list.size(); i++) { File lf = new File(file_path_list.get(i)); lf.delete(); } mLogFileList = LogUtil.createLogFileList(mGlblParms); lfm_adapter.replaceDataList(mLogFileList); lfm_adapter.notifyDataSetChanged(); } @Override public void negativeResponse(Context c, Object[] o) { } }); MessageDialogFragment cdf = MessageDialogFragment.newInstance(true, "W", mContext.getString(R.string.msgs_log_file_list_delete_confirm_msg), delete_list); cdf.showDialog(mFragment.getFragmentManager(), cdf, ntfy); }; public void showDialog(FragmentManager fm, Fragment frag, GlobalParameters gp) { if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "showDialog"); mTerminateRequired = false; mGlblParms = gp; FragmentTransaction ft = fm.beginTransaction(); ft.add(frag, null); ft.commitAllowingStateLoss(); // show(fm, APPLICATION_TAG); }; }