Java tutorial
/* * Fling! Solver * Copyright (C) 2013 - Jos Expsito <jose.exposito89@gmail.com> * * This program 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 2 of the License, or * (at your option) any later version. * * This program 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 this program. If not, see <http://www.gnu.org/licenses/> */ package com.eggsoftware.flingsolver.gui; import java.util.ArrayList; import android.content.Context; import android.graphics.Color; import android.support.v4.view.PagerAdapter; import android.support.v4.view.ViewPager; import android.util.TypedValue; import android.view.Gravity; import android.view.View; import android.view.ViewGroup.LayoutParams; import android.widget.LinearLayout; import android.widget.RelativeLayout; import android.widget.TableLayout; import android.widget.TextView; import com.eggsoftware.flingsolver.R; import com.eggsoftware.flingsolver.solver.SolutionStep; /** * The DrawSolutionActivity class uses a ViewPager to present the solution steps. * This class extends PagerAdapter to bring to this activity the different solution steps views. */ public class DrawSolutionPageAdapter extends PagerAdapter { private ArrayList<SolutionStep> solution; private Context context; public DrawSolutionPageAdapter(Context context, ArrayList<SolutionStep> solution) { super(); this.solution = solution; this.context = context; } @Override public int getCount() { return this.solution.size(); } @Override public boolean isViewFromObject(View view, Object object) { return (view == (LinearLayout) object); } @Override public void destroyItem(View collection, int position, Object view) { ((ViewPager) collection).removeView((LinearLayout) view); } @Override public Object instantiateItem(View collection, int position) { // Create the "Step N of T" TextView TextView stepTextView = new TextView(this.context); stepTextView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 16); stepTextView.setTextColor(Color.rgb(113, 113, 113)); stepTextView.setGravity(Gravity.CENTER); stepTextView.setText(String.format(this.context.getResources().getString(R.string.step_of), position + 1, this.solution.size())); // Create the boar with the current step of the solution BoardCanvas board = new BoardCanvas(this.context); board.setBoardRepresentation(this.solution.get(position).getBoard()); board.setArrow(this.solution.get(position).getRow(), this.solution.get(position).getCol(), this.solution.get(position).getDirection()); // Add the components to the layout LinearLayout layout = new LinearLayout(this.context); layout.setOrientation(LinearLayout.VERTICAL); layout.setPadding(16, 20, 16, 16); RelativeLayout relativeLatout = new RelativeLayout(this.context); relativeLatout.setLayoutParams( new TableLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, 1f)); relativeLatout.addView(board); layout.addView(relativeLatout); layout.addView(stepTextView); ((ViewPager) collection).addView(layout, 0); return layout; } }