Java tutorial
package com.sentaroh.android.Utilities.ContextMenu; /* 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.util.ArrayList; import android.app.Activity; import android.app.Dialog; import android.content.Context; import android.content.DialogInterface; import android.content.res.Configuration; import android.graphics.Color; import android.os.Bundle; import android.os.Handler; import android.support.v4.app.DialogFragment; import android.support.v4.app.FragmentManager; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.Window; import android.widget.AdapterView; import android.widget.LinearLayout; import android.widget.ListView; import android.widget.TextView; import android.widget.AdapterView.OnItemClickListener; import com.sentaroh.android.Utilities.ContextMenu.CustomContextMenuItem.CustomContextMenuOnCleanupListener; import com.sentaroh.android.Utilities.ContextMenu.CustomContextMenuItem.CustomContextMenuOnClickListener; import com.sentaroh.android.Utilities.Dialog.CommonDialog; public class CustomContextMenuFragment extends DialogFragment { private final static boolean DEBUG_ENABLE = false; private final static String APPLICATION_TAG = "CustomContextMenuFragment"; private Dialog mDialog = null; private CustomContextMenuFragment mFragment = null; private boolean terminateRequired = true; private String mDialogTitle = ""; private CustomContextMenuAdapter mMenuAdapter = null; private ArrayList<CustomContextMenuItem> mMenuItemList = null; private ArrayList<CustomContextMenuOnClickListener> mClickHandler = null; private CustomContextMenuOnCleanupListener mCleanupHandler = null; public static CustomContextMenuFragment newInstance(String title) { if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "newInstance"); CustomContextMenuFragment frag = new CustomContextMenuFragment(); Bundle bundle = new Bundle(); bundle.putString("title", title); frag.setArguments(bundle); return frag; } public CustomContextMenuFragment() { if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "Constructor(Default)"); }; @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); } }; @Override final 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 onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onCreate"); Bundle bd = getArguments(); setRetainInstance(true); mFragment = this; // mMenuAdapter=new CustomContextMenuAdapter(this.getLayoutInflater(savedInstanceState)); if (!terminateRequired) { mMenuAdapter = new CustomContextMenuAdapter((LayoutInflater) getActivity().getApplicationContext() .getSystemService(Context.LAYOUT_INFLATER_SERVICE)); mMenuAdapter.setMenuItemList(mMenuItemList); mDialogTitle = bd.getString("title"); } }; @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); CommonDialog.setDlgBoxSizeCompact(mDialog); return view; }; @Override final public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onActivityCreated"); }; @Override final public void onAttach(Activity activity) { super.onAttach(activity); if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onAttach"); }; @Override final public void onDetach() { super.onDetach(); if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onDetach"); }; @Override final public void onStart() { // CommonDialog.setDlgBoxSizeCompact(mDialog); super.onStart(); if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onStart"); if (terminateRequired) mFragment.mDialog.cancel(); else mDialog.show(); }; @Override final public void onStop() { super.onStop(); if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onStop"); mDialog.hide(); }; @Override public void onDestroyView() { if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onDestroyView"); if (getDialog() != null && getRetainInstance()) getDialog().setDismissMessage(null); super.onDestroyView(); } @Override public void onCancel(DialogInterface di) { if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onCancel"); mFragment.dismiss(); // mMenuAdapter.clear(); // mClickHandler.clear(); super.onCancel(di); } @Override public void onDismiss(DialogInterface di) { if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onDismiss"); if (!terminateRequired) { mMenuAdapter.clear(); mClickHandler.clear(); if (mCleanupHandler != null) mCleanupHandler.onCleanup(); } super.onDismiss(di); } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "onCreateDialog"); mDialog = new Dialog(getActivity()); mDialog.requestWindowFeature(Window.FEATURE_NO_TITLE); if (!terminateRequired) initViewWidget(); return mDialog; }; private void reInitViewWidget() { if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "reInitViewWidget"); if (!terminateRequired) { Handler hndl = new Handler(); hndl.post(new Runnable() { @Override public void run() { mDialog.hide(); // mDialog.getWindow().getDecorView().invalidate(); mDialog.getWindow().getCurrentFocus().invalidate(); initViewWidget(); CommonDialog.setDlgBoxSizeCompact(mDialog); mDialog.show(); } }); } }; private void initViewWidget() { if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "initViewWidget"); // CommonDialog.setDlgBoxSizeCompact(mDialog); LinearLayout dlg_ll = new LinearLayout(getActivity()); dlg_ll.setOrientation(LinearLayout.VERTICAL); TextView dlg_tv = new TextView(getActivity()); dlg_tv.setBackgroundColor(Color.WHITE); dlg_tv.setTextColor(Color.BLACK); // dlg_tv.setTextSize(32); dlg_tv.setGravity(android.view.Gravity.CENTER_VERTICAL | android.view.Gravity.CENTER_HORIZONTAL); ListView dlg_lv = new ListView(getActivity()); dlg_lv.setBackgroundColor(Color.WHITE); dlg_ll.addView(dlg_tv); dlg_ll.addView(dlg_lv); mDialog.setContentView(dlg_ll); if (mDialogTitle.length() != 0) { dlg_tv.setText(mDialogTitle); dlg_tv.setVisibility(TextView.VISIBLE); } else dlg_tv.setVisibility(TextView.GONE); dlg_lv.setAdapter(mMenuAdapter); dlg_lv.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> items, View view, int idx, long id) { CustomContextMenuItem item = (CustomContextMenuItem) mMenuAdapter.getItem(idx); if (item.menu_enabled) { if (idx < mClickHandler.size()) { mClickHandler.get(idx).onClick(item.text); } mFragment.dismiss(); } } }); dlg_lv.setScrollingCacheEnabled(false); dlg_lv.setScrollbarFadingEnabled(false); // int[] colors = {0, 0xFFFF0000, 0}; // red for the example // lv.setDivider(new GradientDrawable(Orientation.RIGHT_LEFT, colors)); dlg_lv.setDividerHeight(0); }; public void showDialog(FragmentManager fm, CustomContextMenuFragment frag, final ArrayList<CustomContextMenuItem> ma, final ArrayList<CustomContextMenuOnClickListener> ch, CustomContextMenuOnCleanupListener cl) { if (DEBUG_ENABLE) Log.v(APPLICATION_TAG, "showDialog"); terminateRequired = false; // FragmentTransaction ft = fm.beginTransaction(); // ft.add(frag,null); // ft.commitAllowingStateLoss(); mMenuItemList = ma; mClickHandler = ch; mCleanupHandler = cl; show(fm, APPLICATION_TAG); }; }