77b5d394ff
Synced to developers/samples/android commit 97b2cfe5ba6d8fa8daaf3273141b321b5fe9e910. Change-Id: I360cfa147e71dd519b841df41b4e878f86b9b27b
116 lines
3.8 KiB
Java
116 lines
3.8 KiB
Java
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.android.google.wearable.app;
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import android.app.Activity;
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import android.app.Fragment;
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import android.app.FragmentManager;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.Point;
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import android.graphics.Typeface;
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import android.graphics.Paint.Align;
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import android.graphics.drawable.BitmapDrawable;
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import android.graphics.drawable.Drawable;
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import android.os.Bundle;
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import android.support.wearable.view.CardFragment;
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import android.support.wearable.view.FragmentGridPagerAdapter;
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import android.support.wearable.view.GridViewPager;
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import java.util.HashMap;
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import java.util.Map;
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public class GridExampleActivity extends Activity {
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private static final int NUM_ROWS = 10;
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private static final int NUM_COLS = 3;
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MainAdapter mAdapter;
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GridViewPager mPager;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.grid_activity);
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mPager = (GridViewPager) findViewById(R.id.fragment_container);
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mAdapter = new MainAdapter(this, getFragmentManager());
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mPager.setAdapter(mAdapter);
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}
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private static class MainAdapter extends FragmentGridPagerAdapter{
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Map<Point, Drawable> mBackgrounds = new HashMap<Point, Drawable>();
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private Context mContext;
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public MainAdapter(Context ctx, FragmentManager fm) {
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super(fm);
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mContext = ctx;
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}
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@Override
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public int getRowCount() {
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return NUM_ROWS;
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}
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@Override
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public int getColumnCount(int rowNum) {
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return NUM_COLS;
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}
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@Override
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public Fragment getFragment(int rowNum, int colNum) {
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return MainFragment.newInstance(rowNum, colNum);
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}
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@Override
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public Drawable getBackgroundForPage(int row, int column) {
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Point pt = new Point(column, row);
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Drawable drawable = mBackgrounds.get(pt);
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if (drawable == null) {
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Bitmap bm = Bitmap.createBitmap(200, 200, Bitmap.Config.ARGB_8888);
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Canvas c = new Canvas(bm);
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Paint p = new Paint();
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// Clear previous image.
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c.drawRect(0, 0, 200, 200, p);
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p.setAntiAlias(true);
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p.setTypeface(Typeface.DEFAULT);
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p.setTextSize(64);
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p.setColor(Color.LTGRAY);
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p.setTextAlign(Align.CENTER);
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c.drawText(column+ "-" + row, 100, 100, p);
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drawable = new BitmapDrawable(mContext.getResources(), bm);
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mBackgrounds.put(pt, drawable);
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}
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return drawable;
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}
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}
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public static class MainFragment extends CardFragment {
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private static MainFragment newInstance(int rowNum, int colNum) {
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Bundle args = new Bundle();
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args.putString(CardFragment.KEY_TITLE, "Row:" + rowNum);
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args.putString(CardFragment.KEY_TEXT, "Col:" + colNum);
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MainFragment f = new MainFragment();
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f.setArguments(args);
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return f;
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}
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}
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}
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