Android Open Source - FreeFlow Main Activity

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License

The source code is released under:

Apache License

Java Source Code

/*******************************************************************************
 * Copyright 2013 Comcast Cable Communications Management, LLC
 * /* ww  w . j a v a 2s .c  om*/
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package com.comcast.freeflow.examples.freeflowphotogrid;

import java.util.ArrayList;

import com.comcast.freeflow.animations.DefaultLayoutAnimator;
import com.comcast.freeflow.core.AbsLayoutContainer;
import com.comcast.freeflow.core.AbsLayoutContainer.OnItemClickListener;
import com.comcast.freeflow.core.FreeFlowContainer;
import com.comcast.freeflow.core.FreeFlowItem;
import com.comcast.freeflow.core.Section;
import com.comcast.freeflow.core.SectionedAdapter;
import com.comcast.freeflow.examples.freeflowphotogrid.R;
import com.comcast.freeflow.layouts.FreeFlowLayout;
import com.comcast.freeflow.layouts.HGridLayout;
import com.comcast.freeflow.layouts.HLayout;
import com.comcast.freeflow.layouts.VGridLayout;
import com.comcast.freeflow.layouts.VLayout;

import android.app.Activity;
import android.content.Context;
import android.graphics.Color;
import android.os.Bundle;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.FrameLayout;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity {

  private static final String TAG = "MainActivity";
  private FreeFlowContainer container = null;
  private HLayout hLayout = null;
  private VLayout vLayout = null;
  private VGridLayout vGridLayout = null;
  private HGridLayout hGridLayout = null;
  
  private Button changeButton, jumpButton, jumpButtonAnim;
  
  private FreeFlowLayout[] layouts ;
  private int currentLayoutIndex = 0;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    FrameLayout frameLayout = (FrameLayout) findViewById(R.id.frameLayout);

    final ImageAdapter adapter = new ImageAdapter();

    container = new FreeFlowContainer(this);

    DefaultLayoutAnimator anim = (DefaultLayoutAnimator) container.getLayoutAnimator();
    anim.animateAllSetsSequentially = false;
    anim.animateIndividualCellsSequentially = false;

    container.requestFocus();
    hLayout = new HLayout();
    hLayout.setLayoutParams(new HLayout.LayoutParams(100, 150, 600));

    vLayout = new VLayout();
    vLayout.setLayoutParams(new VLayout.LayoutParams(100, 600, 150));

    vGridLayout = new VGridLayout();
    vGridLayout.setLayoutParams(new VGridLayout.LayoutParams(200,200, 600, 100));

    hGridLayout = new HGridLayout();
    hGridLayout.setLayoutParams(new HGridLayout.LayoutParams(200, 200, 100, 600));
  
    layouts = new FreeFlowLayout[]{ vLayout,hLayout, vGridLayout, hGridLayout};
    
    container.setAdapter(adapter);
    container.setLayout(layouts[currentLayoutIndex]);

    frameLayout.addView(container);

    changeButton = ((Button) frameLayout.findViewById(R.id.transitionButton));
    changeButton.setText("Layout");
    
    changeButton.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        currentLayoutIndex++;
        if(currentLayoutIndex == layouts.length){
          currentLayoutIndex = 0;
        }
        container.setLayout(layouts[currentLayoutIndex]);
      }
    });

    jumpButton = (Button) findViewById(R.id.jumpButton);
    jumpButton.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        int section = (int) (adapter.getNumberOfSections() * Math.random());
        int index = (int) (adapter.getSection(section).getDataCount() * Math.random());
        String s = "section = " + section + ", index = " + index;
        Toast.makeText(MainActivity.this,s , Toast.LENGTH_SHORT ).show();
        container.scrollToItem(section, index, false);

      }
    });
    
    jumpButtonAnim = (Button) findViewById(R.id.jumpButtonAnim);
    jumpButtonAnim.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        int section = (int) (adapter.getNumberOfSections() * Math.random());
        int index = (int) (adapter.getSection(section).getDataCount() * Math.random());
        String s = "section = " + section + ", index = " + index;
        Toast.makeText(MainActivity.this,s , Toast.LENGTH_SHORT ).show();
        container.scrollToItem(section, index, true);

      }
    });
    
    
    container.setOnItemClickListener( new OnItemClickListener() {
      
      @Override
      public void onItemClick(AbsLayoutContainer parent, FreeFlowItem proxy) {
        Log.d("Test", "container item: "+proxy.itemSection +" /  "+proxy.itemIndex );
      }
    });
    
    changeButton.bringToFront();
    jumpButton.bringToFront();
    jumpButtonAnim.bringToFront();
  }

  class ImageAdapter implements SectionedAdapter {

    private ArrayList<Section> sections = new ArrayList<Section>();

    public ImageAdapter() {
      for (int i = 0; i < 10; i++) {
        Section s = new Section();

        s.setSectionTitle("Section " + i);
        for (int j = 0; j < 10; j++) {
          s.addItem(new Object());
        }
        sections.add(s);
      }
    }

    @Override
    public long getItemId(int section, int position) {
      return section * 1000 + position;
    }

    @Override
    public View getItemView(int section, int position, View convertView, ViewGroup parent) {
      TextView tv = null;
      if (convertView != null) {
        // Log.d(TAG, "Convert view not null");
        tv = (TextView) convertView;
      } else {
        tv = new TextView(MainActivity.this);
      }

      tv.setFocusable(false);
      tv.setBackgroundResource(R.drawable.orange);
      // tv.setAlpha(.25f);
      // button.setOnTouchListener(MainActivity.this);
      tv.setText("s" + section + " p" + position);

      return tv;
    }

    @Override
    public View getHeaderViewForSection(int section, View convertView, ViewGroup parent) {
      TextView tv = null;
      if (convertView != null) {
        // Log.d(TAG, "Convert view not null");
        tv = (TextView) convertView;
      } else {
        tv = new TextView(MainActivity.this);
      }

      tv.setFocusable(false);
      tv.setBackgroundColor(Color.GRAY);
      // button.setOnTouchListener(MainActivity.this);
      tv.setText("section header" + section);

      return tv;
    }

    @Override
    public int getNumberOfSections() {
      return sections.size();
    }

    @Override
    public Section getSection(int index) {
      if (index < sections.size() && index >= 0)
        return sections.get(index);

      return null;
    }

    @Override
    public Class[] getViewTypes() {
      Class[] types = { TextView.class, TextView.class };

      return types;
    }

    @Override
    public Class getViewType(FreeFlowItem proxy) {
      return TextView.class;
    }

    @Override
    public boolean shouldDisplaySectionHeaders() {
      return true;
    }

  }

}

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