实例介绍
【实例简介】
【实例截图】
【实例截图】
【核心代码】
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 | /* * Copyright 2012 Evgeny Shishkin * * 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 * * * 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.colortoast;import android.app.Activity;import android.content.Context;import android.content.res.Resources;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup.LayoutParams;import android.widget.FrameLayout;import android.widget.TextView;/** * In-layout notifications. Based on {@link android.widget.Toast} notifications * and article by Cyril Mottier (http://android.cyrilmottier.com/?p=773). * * @author e.shishkin */public class AppMsg { /** * Show the view or text notification for a short period of time. This time * could be user-definable. This is the default. * * @see #setDuration */ public static final int LENGTH_SHORT = 3000; /** * Show the view or text notification for a long period of time. This time * could be user-definable. * * @see #setDuration */ public static final int LENGTH_LONG = 5000; /** * Show the text notification for a long period of time with a negative style. */ public static final Style STYLE_ALERT = new Style(LENGTH_LONG, R.color.alert); /** * Show the text notification for a short period of time with a positive style. */ public static final Style STYLE_CONFIRM = new Style(LENGTH_SHORT, R.color.confirm); /** * Show the text notification for a short period of time with a neutral style. */ public static final Style STYLE_INFO = new Style(LENGTH_SHORT, R.color.info); private final Activity mActivity; private int mDuration = LENGTH_SHORT; private View mView; private LayoutParams mLayoutParams; private boolean mFloating; /** * Construct an empty AppMsg object. You must call {@link #setView} before * you can call {@link #show}. * * @param activity {@link android.app.Activity} to use. */ public AppMsg(Activity activity) { mActivity = activity; } /** * Make a {@link AppMsg} that just contains a text view. * * @param context The context to use. Usually your * {@link android.app.Activity} object. * @param text The text to show. Can be formatted text. * @param style The style with a background and a duration. */ public static AppMsg makeText(Activity context, CharSequence text, Style style) { return makeText(context, text, style, R.layout.app_msg); } /** * @author mengguoqiang 扩展支持设置字体大小 * Make a {@link AppMsg} that just contains a text view. * * @param context The context to use. Usually your * {@link android.app.Activity} object. * @param text The text to show. Can be formatted text. * @param style The style with a background and a duration. */ public static AppMsg makeText(Activity context, CharSequence text, Style style, float textSize) { return makeText(context, text, style, R.layout.app_msg, textSize); } /** * Make a {@link AppMsg} with a custom layout. The layout must have a {@link TextView} com id {@link android.R.id.message} * * @param context The context to use. Usually your * {@link android.app.Activity} object. * @param text The text to show. Can be formatted text. * @param style The style with a background and a duration. */ public static AppMsg makeText(Activity context, CharSequence text, Style style, int layoutId) { LayoutInflater inflate = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); View v = inflate.inflate(layoutId, null); return makeText(context, text, style, v, true); } /** * @author mengguoqiang 扩展支持字体大小 * Make a {@link AppMsg} with a custom layout. The layout must have a {@link TextView} com id {@link android.R.id.message} * * @param context The context to use. Usually your * {@link android.app.Activity} object. * @param text The text to show. Can be formatted text. * @param style The style with a background and a duration. */ public static AppMsg makeText(Activity context, CharSequence text, Style style, int layoutId, float textSize) { LayoutInflater inflate = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); View v = inflate.inflate(layoutId, null); return makeText(context, text, style, v, true, textSize); } /** * Make a non-floating {@link AppMsg} with a custom view presented inside the layout. * It can be used to create non-floating notifications if floating is false. * * @param context The context to use. Usually your * {@link android.app.Activity} object. * @param customView * View to be used. * @param text The text to show. Can be formatted text. * @param style The style with a background and a duration. */ public static AppMsg makeText(Activity context, CharSequence text, Style style, View customView) { return makeText(context, text, style, customView, false); } /** * Make a {@link AppMsg} with a custom view. It can be used to create non-floating notifications if floating is false. * * @param context The context to use. Usually your * {@link android.app.Activity} object. * @param view * View to be used. * @param text The text to show. Can be formatted text. * @param style The style with a background and a duration. * @param floating true if it'll float. */ private static AppMsg makeText(Activity context, CharSequence text, Style style, View view, boolean floating) { return makeText(context, text, style, view, floating, 0); } /** * * @author mengguoqiang 扩展支持设置字体大小 * Make a {@link AppMsg} with a custom view. It can be used to create non-floating notifications if floating is false. * * @param context The context to use. Usually your * {@link android.app.Activity} object. * @param view * View to be used. * @param text The text to show. Can be formatted text. * @param style The style with a background and a duration. * @param floating true if it'll float. */ private static AppMsg makeText(Activity context, CharSequence text, Style style, View view, boolean floating, float textSize) { AppMsg result = new AppMsg(context); view.setBackgroundResource(style.background); TextView tv = (TextView) view.findViewById(android.R.id.message); if(textSize > 0) tv.setTextSize(textSize); tv.setText(text); result.mView = view; result.mDuration = style.duration; result.mFloating = floating; return result; } /** * Make a {@link AppMsg} with a custom view. It can be used to create non-floating notifications if floating is false. * * @param context The context to use. Usually your * {@link android.app.Activity} object. * @param resId The resource id of the string resource to use. Can be * formatted text. * @param style The style with a background and a duration. * @param floating true if it'll float. */ public static AppMsg makeText(Activity context, int resId, Style style, View customView, boolean floating) { return makeText(context, context.getResources().getText(resId), style, customView, floating); } /** * Make a {@link AppMsg} that just contains a text view with the text from a * resource. * * @param context The context to use. Usually your * {@link android.app.Activity} object. * @param resId The resource id of the string resource to use. Can be * formatted text. * @param style The style with a background and a duration. * @throws Resources.NotFoundException if the resource can't be found. */ public static AppMsg makeText(Activity context, int resId, Style style) throws Resources.NotFoundException { return makeText(context, context.getResources().getText(resId), style); } /** * Make a {@link AppMsg} with a custom layout using the text from a * resource. The layout must have a {@link TextView} com id {@link android.R.id.message} * * @param context The context to use. Usually your * {@link android.app.Activity} object. * @param resId The resource id of the string resource to use. Can be * formatted text. * @param style The style with a background and a duration. * @throws Resources.NotFoundException if the resource can't be found. */ public static AppMsg makeText(Activity context, int resId, Style style, int layoutId) throws Resources.NotFoundException { return makeText(context, context.getResources().getText(resId), style, layoutId); } /** * Show the view for the specified duration. */ public void show() { MsgManager manager = MsgManager.obtain(mActivity); manager.add(this); } /** * @return <code>true</code> if the {@link AppMsg} is being displayed, else <code>false</code>. */ public boolean isShowing() { if (mFloating) { return mView != null && mView.getParent() != null; } else { return mView.getVisibility() == View.VISIBLE; } } /** * Close the view if it's showing, or don't show it if it isn't showing yet. * You do not normally have to call this. Normally view will disappear on its own * after the appropriate duration. */ public void cancel() { MsgManager.obtain(mActivity).clearMsg(this); } /** * Cancels all queued {@link AppMsg}s, in all Activities. If there is a {@link AppMsg} * displayed currently, it will be the last one displayed. */ public static void cancelAll() { MsgManager.clearAll(); } /** * Cancels all queued {@link AppMsg}s, in given {@link android.app.Activity}. * If there is a {@link AppMsg} displayed currently, it will be the last one displayed. * @param activity */ public static void cancelAll(Activity activity) { MsgManager.release(activity); } /** * Return the activity. */ public Activity getActivity() { return mActivity; } /** * Set the view to show. * * @see #getView */ public void setView(View view) { mView = view; } /** * Return the view. * * @see #setView */ public View getView() { return mView; } /** * Set how long to show the view for. * * @see #LENGTH_SHORT * @see #LENGTH_LONG */ public void setDuration(int duration) { mDuration = duration; } /** * Return the duration. * * @see #setDuration */ public int getDuration() { return mDuration; } /** * Update the text in a AppMsg that was previously created using one of the makeText() methods. * * @param resId The new text for the AppMsg. */ public void setText(int resId) { setText(mActivity.getText(resId)); } /** * Update the text in a AppMsg that was previously created using one of the makeText() methods. * * @param s The new text for the AppMsg. */ public void setText(CharSequence s) { if (mView == null) { throw new RuntimeException("This AppMsg was not created with AppMsg.makeText()"); } TextView tv = (TextView) mView.findViewById(android.R.id.message); if (tv == null) { throw new RuntimeException("This AppMsg was not created with AppMsg.makeText()"); } tv.setText(s); } /** * Gets the crouton's layout parameters, constructing a default if necessary. * * @return the layout parameters */ public LayoutParams getLayoutParams() { if (mLayoutParams == null) { mLayoutParams = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT); } return mLayoutParams; } /** * Sets the layout parameters which will be used to display the crouton. * * @param layoutParams The layout parameters to use. * @return <code>this</code>, for chaining. */ public AppMsg setLayoutParams(LayoutParams layoutParams) { mLayoutParams = layoutParams; return this; } /** * Constructs and sets the layout parameters to have some gravity. * * @param gravity the gravity of the Crouton * @return <code>this</code>, for chaining. * @see android.view.Gravity */ public AppMsg setLayoutGravity(int gravity) { mLayoutParams = new FrameLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT, gravity); return this; } /** * Return the value of floating. * * @see #setFloating(boolean) */ public boolean isFloating() { return mFloating; } /** * Sets the value of floating. * * @param mFloating */ public void setFloating(boolean mFloating) { this.mFloating = mFloating; } /** * The style for a {@link AppMsg}. * * @author e.shishkin */ public static class Style { private final int duration; private final int background; /** * Construct an {@link AppMsg.Style} object. * * @param duration How long to display the message. Either * {@link #LENGTH_SHORT} or {@link #LENGTH_LONG} * @param resId resource for AppMsg background */ public Style(int duration, int resId) { this.duration = duration; this.background = resId; } /** * Return the duration in milliseconds. */ public int getDuration() { return duration; } /** * Return the resource id of background. */ public int getBackground() { return background; } @Override public boolean equals(Object o) { if (!(o instanceof AppMsg.Style)) { return false; } Style style = (Style) o; return style.duration == duration && style.background == background; } }} |
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