| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * 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.example.android.google.wearable.app; |
| |
| import android.app.Activity; |
| import android.app.Fragment; |
| import android.app.FragmentManager; |
| import android.content.Context; |
| import android.graphics.Bitmap; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.Paint; |
| import android.graphics.Point; |
| import android.graphics.Typeface; |
| import android.graphics.Paint.Align; |
| import android.graphics.drawable.BitmapDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.os.Bundle; |
| import android.support.wearable.view.CardFragment; |
| import android.support.wearable.view.FragmentGridPagerAdapter; |
| import android.support.wearable.view.GridViewPager; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| public class GridExampleActivity extends Activity { |
| private static final int NUM_ROWS = 10; |
| private static final int NUM_COLS = 3; |
| |
| MainAdapter mAdapter; |
| GridViewPager mPager; |
| |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(R.layout.grid_activity); |
| mPager = (GridViewPager) findViewById(R.id.fragment_container); |
| mAdapter = new MainAdapter(this, getFragmentManager()); |
| mPager.setAdapter(mAdapter); |
| |
| } |
| |
| private static class MainAdapter extends FragmentGridPagerAdapter{ |
| Map<Point, Drawable> mBackgrounds = new HashMap<Point, Drawable>(); |
| private Context mContext; |
| |
| public MainAdapter(Context ctx, FragmentManager fm) { |
| super(fm); |
| mContext = ctx; |
| } |
| |
| @Override |
| public int getRowCount() { |
| return NUM_ROWS; |
| } |
| |
| @Override |
| public int getColumnCount(int rowNum) { |
| return NUM_COLS; |
| } |
| |
| @Override |
| public Fragment getFragment(int rowNum, int colNum) { |
| return MainFragment.newInstance(rowNum, colNum); |
| } |
| |
| @Override |
| public Drawable getBackgroundForPage(int row, int column) { |
| Point pt = new Point(column, row); |
| Drawable drawable = mBackgrounds.get(pt); |
| if (drawable == null) { |
| Bitmap bm = Bitmap.createBitmap(200, 200, Bitmap.Config.ARGB_8888); |
| Canvas c = new Canvas(bm); |
| Paint p = new Paint(); |
| // Clear previous image. |
| c.drawRect(0, 0, 200, 200, p); |
| p.setAntiAlias(true); |
| p.setTypeface(Typeface.DEFAULT); |
| p.setTextSize(64); |
| p.setColor(Color.LTGRAY); |
| p.setTextAlign(Align.CENTER); |
| c.drawText(column+ "-" + row, 100, 100, p); |
| drawable = new BitmapDrawable(mContext.getResources(), bm); |
| mBackgrounds.put(pt, drawable); |
| } |
| return drawable; |
| } |
| } |
| |
| public static class MainFragment extends CardFragment { |
| private static MainFragment newInstance(int rowNum, int colNum) { |
| Bundle args = new Bundle(); |
| args.putString(CardFragment.KEY_TITLE, "Row:" + rowNum); |
| args.putString(CardFragment.KEY_TEXT, "Col:" + colNum); |
| MainFragment f = new MainFragment(); |
| f.setArguments(args); |
| return f; |
| } |
| } |
| } |