1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.apis.view; 18 19 import android.app.ActionBar; 20 import android.app.Activity; 21 import android.app.FragmentTransaction; 22 import android.app.ActionBar.Tab; 23 import android.content.Context; 24 import android.content.Intent; 25 import android.net.Uri; 26 import android.os.Bundle; 27 import android.util.AttributeSet; 28 import android.util.DisplayMetrics; 29 import android.view.ActionMode; 30 import android.view.KeyEvent; 31 import android.view.Menu; 32 import android.view.MenuInflater; 33 import android.view.MenuItem; 34 import android.view.View; 35 import android.view.View.OnClickListener; 36 import android.view.Window; 37 import android.view.WindowManager; 38 import android.widget.CheckBox; 39 import android.widget.CompoundButton; 40 import android.widget.ImageView; 41 import android.widget.SearchView; 42 import android.widget.ShareActionProvider; 43 import android.widget.TextView; 44 import android.widget.Toast; 45 import android.widget.SearchView.OnQueryTextListener; 46 47 import com.example.android.apis.R; 48 49 /** 50 * This activity demonstrates some of the available ways to reduce the size or visual contrast of 51 * the system decor, in order to better focus the user's attention or use available screen real 52 * estate on the task at hand. 53 */ 54 public class OverscanActivity extends Activity 55 implements OnQueryTextListener, ActionBar.TabListener { 56 public static class IV extends ImageView implements View.OnSystemUiVisibilityChangeListener { 57 private OverscanActivity mActivity; 58 private ActionMode mActionMode; 59 public IV(Context context) { 60 super(context); 61 } 62 public IV(Context context, AttributeSet attrs) { 63 super(context, attrs); 64 } 65 public void setActivity(OverscanActivity act) { 66 setOnSystemUiVisibilityChangeListener(this); 67 mActivity = act; 68 } 69 @Override 70 public void onSizeChanged(int w, int h, int oldw, int oldh) { 71 mActivity.refreshSizes(); 72 } 73 @Override 74 public void onSystemUiVisibilityChange(int visibility) { 75 mActivity.updateCheckControls(); 76 mActivity.refreshSizes(); 77 } 78 79 private class MyActionModeCallback implements ActionMode.Callback { 80 @Override public boolean onCreateActionMode(ActionMode mode, Menu menu) { 81 mode.setTitle("My Action Mode!"); 82 mode.setSubtitle(null); 83 mode.setTitleOptionalHint(false); 84 menu.add("Sort By Size").setIcon(android.R.drawable.ic_menu_sort_by_size); 85 menu.add("Sort By Alpha").setIcon(android.R.drawable.ic_menu_sort_alphabetically); 86 return true; 87 } 88 89 @Override public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 90 return true; 91 } 92 93 @Override public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 94 return true; 95 } 96 97 @Override public void onDestroyActionMode(ActionMode mode) { 98 mActionMode = null; 99 mActivity.clearActionMode(); 100 } 101 } 102 103 public void startActionMode() { 104 if (mActionMode == null) { 105 ActionMode.Callback cb = new MyActionModeCallback(); 106 mActionMode = startActionMode(cb); 107 } 108 } 109 110 public void stopActionMode() { 111 if (mActionMode != null) { 112 mActionMode.finish(); 113 } 114 } 115 } 116 117 private void setFullscreen(boolean on) { 118 Window win = getWindow(); 119 WindowManager.LayoutParams winParams = win.getAttributes(); 120 final int bits = WindowManager.LayoutParams.FLAG_FULLSCREEN; 121 if (on) { 122 winParams.flags |= bits; 123 } else { 124 winParams.flags &= ~bits; 125 } 126 win.setAttributes(winParams); 127 } 128 129 private String getDisplaySize() { 130 DisplayMetrics dm = getResources().getDisplayMetrics(); 131 return String.format("DisplayMetrics = (%d x %d)", dm.widthPixels, dm.heightPixels); 132 } 133 private String getViewSize() { 134 return String.format("View = (%d,%d - %d,%d)", 135 mImage.getLeft(), mImage.getTop(), 136 mImage.getRight(), mImage.getBottom()); 137 } 138 void refreshSizes() { 139 mMetricsText.setText(getDisplaySize() + " " + getViewSize()); 140 } 141 142 static int TOAST_LENGTH = 500; 143 IV mImage; 144 CheckBox[] mCheckControls = new CheckBox[6]; 145 int[] mCheckFlags = new int[] { View.SYSTEM_UI_FLAG_LOW_PROFILE, 146 View.SYSTEM_UI_FLAG_FULLSCREEN, View.SYSTEM_UI_FLAG_HIDE_NAVIGATION, 147 View.SYSTEM_UI_FLAG_LAYOUT_STABLE, View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN, 148 View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION 149 }; 150 TextView mMetricsText; 151 152 public OverscanActivity() { 153 } 154 155 @Override 156 public void onCreate(Bundle savedInstanceState) { 157 super.onCreate(savedInstanceState); 158 159 getWindow().requestFeature(Window.FEATURE_ACTION_BAR_OVERLAY); 160 161 setContentView(R.layout.overscan); 162 mImage = (IV) findViewById(R.id.image); 163 mImage.setActivity(this); 164 165 CompoundButton.OnCheckedChangeListener checkChangeListener 166 = new CompoundButton.OnCheckedChangeListener() { 167 @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 168 updateSystemUi(); 169 } 170 }; 171 mCheckControls[0] = (CheckBox) findViewById(R.id.modeLowProfile); 172 mCheckControls[1] = (CheckBox) findViewById(R.id.modeFullscreen); 173 mCheckControls[2] = (CheckBox) findViewById(R.id.modeHideNavigation); 174 mCheckControls[3] = (CheckBox) findViewById(R.id.layoutStable); 175 mCheckControls[4] = (CheckBox) findViewById(R.id.layoutFullscreen); 176 mCheckControls[5] = (CheckBox) findViewById(R.id.layoutHideNavigation); 177 for (int i=0; i<mCheckControls.length; i++) { 178 mCheckControls[i].setOnCheckedChangeListener(checkChangeListener); 179 } 180 ((CheckBox) findViewById(R.id.windowFullscreen)).setOnCheckedChangeListener( 181 new CompoundButton.OnCheckedChangeListener() { 182 @Override 183 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 184 setFullscreen(isChecked); 185 } 186 } 187 ); 188 ((CheckBox) findViewById(R.id.windowHideActionBar)).setOnCheckedChangeListener( 189 new CompoundButton.OnCheckedChangeListener() { 190 @Override 191 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 192 if (isChecked) { 193 getActionBar().hide(); 194 } else { 195 getActionBar().show(); 196 } 197 } 198 } 199 ); 200 ((CheckBox) findViewById(R.id.windowActionMode)).setOnCheckedChangeListener( 201 new CompoundButton.OnCheckedChangeListener() { 202 @Override 203 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 204 if (isChecked) { 205 mImage.startActionMode(); 206 } else { 207 mImage.stopActionMode(); 208 } 209 } 210 } 211 ); 212 mMetricsText = (TextView) findViewById(R.id.metricsText); 213 } 214 215 @Override 216 public boolean onCreateOptionsMenu(Menu menu) { 217 MenuInflater inflater = getMenuInflater(); 218 inflater.inflate(R.menu.content_actions, menu); 219 SearchView searchView = (SearchView) menu.findItem(R.id.action_search).getActionView(); 220 searchView.setOnQueryTextListener(this); 221 222 // Set file with share history to the provider and set the share intent. 223 MenuItem actionItem = menu.findItem(R.id.menu_item_share_action_provider_action_bar); 224 ShareActionProvider actionProvider = (ShareActionProvider) actionItem.getActionProvider(); 225 actionProvider.setShareHistoryFileName(ShareActionProvider.DEFAULT_SHARE_HISTORY_FILE_NAME); 226 // Note that you can set/change the intent any time, 227 // say when the user has selected an image. 228 Intent shareIntent = new Intent(Intent.ACTION_SEND); 229 shareIntent.setType("image/*"); 230 Uri uri = Uri.fromFile(getFileStreamPath("shared.png")); 231 shareIntent.putExtra(Intent.EXTRA_STREAM, uri); 232 actionProvider.setShareIntent(shareIntent); 233 return true; 234 } 235 236 @Override 237 public void onAttachedToWindow() { 238 updateCheckControls(); 239 } 240 241 @Override 242 protected void onResume() { 243 super.onResume(); 244 } 245 246 public void onSort(MenuItem item) { 247 } 248 249 @Override 250 public boolean onQueryTextChange(String newText) { 251 return true; 252 } 253 254 @Override 255 public boolean onQueryTextSubmit(String query) { 256 Toast.makeText(this, "Searching for: " + query + "...", Toast.LENGTH_SHORT).show(); 257 return true; 258 } 259 260 @Override 261 public boolean onOptionsItemSelected(MenuItem item) { 262 switch (item.getItemId()) { 263 case R.id.show_tabs: 264 getActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); 265 item.setChecked(true); 266 return true; 267 case R.id.hide_tabs: 268 getActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD); 269 item.setChecked(true); 270 return true; 271 } 272 return false; 273 } 274 275 @Override 276 public void onTabSelected(Tab tab, FragmentTransaction ft) { 277 } 278 279 @Override 280 public void onTabUnselected(Tab tab, FragmentTransaction ft) { 281 } 282 283 @Override 284 public void onTabReselected(Tab tab, FragmentTransaction ft) { 285 } 286 287 public void updateCheckControls() { 288 int visibility = mImage.getSystemUiVisibility(); 289 for (int i=0; i<mCheckControls.length; i++) { 290 mCheckControls[i].setChecked((visibility&mCheckFlags[i]) != 0); 291 } 292 } 293 294 public void updateSystemUi() { 295 int visibility = 0; 296 for (int i=0; i<mCheckControls.length; i++) { 297 if (mCheckControls[i].isChecked()) { 298 visibility |= mCheckFlags[i]; 299 } 300 } 301 mImage.setSystemUiVisibility(visibility); 302 } 303 304 public void clearActionMode() { 305 ((CheckBox) findViewById(R.id.windowActionMode)).setChecked(false); 306 } 307 } 308
