Java tutorial
package com.geecko.QuickLyric.utils; import android.annotation.TargetApi; import android.app.Activity; import android.content.Intent; import android.os.Build; import android.support.v4.app.ShareCompat; import android.view.ActionMode; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.widget.ShareActionProvider; import android.widget.TextView; import com.geecko.QuickLyric.MainActivity; import com.geecko.QuickLyric.R; /** * This file is part of QuickLyric * Copyright 2017 QuickLyric SPRL * * QuickLyric is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * QuickLyric is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with QuickLyric. If not, see <http://www.gnu.org/licenses/>. */ public class CustomSelectionCallback implements ActionMode.Callback { MainActivity mActivity; public CustomSelectionCallback(Activity activity) { this.mActivity = (MainActivity) activity; } @TargetApi(21) private void changeThemeColors(boolean actionMode) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && Build.VERSION.SDK_INT < Build.VERSION_CODES.M) { mActivity.setStatusBarColor(actionMode ? mActivity.getResources().getColor(R.color.action_dark) : null); mActivity.setNavBarColor(actionMode ? mActivity.getResources().getColor(R.color.action) : null); } } @Override public boolean onCreateActionMode(ActionMode mode, Menu menu) { changeThemeColors(true); menu.add(0, 9876, 9, R.string.share); menu.findItem(9876).setIcon(R.drawable.ic_menu_share); menu.findItem(9876).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() { @Override public boolean onMenuItemClick(MenuItem item) { View focus = mActivity.getCurrentFocus(); if (focus instanceof TextView) { CharSequence selection = ((TextView) focus).getText().subSequence( ((TextView) focus).getSelectionStart(), ((TextView) focus).getSelectionEnd()); final Intent sendIntent = new Intent(); sendIntent.setAction(Intent.ACTION_SEND); sendIntent.setType("text/plain"); sendIntent.putExtra(Intent.EXTRA_TEXT, selection.toString()); mActivity.startActivity(Intent.createChooser(sendIntent, mActivity.getString(R.string.share))); return true; } return false; } }); return true; } @Override public boolean onPrepareActionMode(ActionMode mode, Menu menu) { return true; } @Override public boolean onActionItemClicked(ActionMode mode, MenuItem item) { return false; } @Override public void onDestroyActionMode(ActionMode mode) { changeThemeColors(false); } }