MainActivity
1 import android.app.AlertDialog;
2 import android.content.DialogInterface;
3 import android.graphics.Bitmap;
4 import android.graphics.BitmapFactory;
5 import android.graphics.drawable.BitmapDrawable;
6 import android.graphics.drawable.Drawable;
7 import android.net.Uri;
8 import android.os.Bundle;
9 import android.os.Environment;
10 import android.support.annotation.Nullable;
11 import android.support.v7.app.AppCompatActivity;
12 import android.view.View;
13 import android.widget.Button;
14 import android.widget.ImageView;
15
16 import com.bumptech.glide.Glide;
17 import com.bumptech.glide.Priority;
18 import com.bumptech.glide.load.DataSource;
19 import com.bumptech.glide.load.engine.DiskCacheStrategy;
20 import com.bumptech.glide.load.engine.GlideException;
21 import com.bumptech.glide.load.resource.bitmap.RoundedCorners;
22 import com.bumptech.glide.request.RequestListener;
23 import com.bumptech.glide.request.RequestOptions;
24 import com.bumptech.glide.request.target.SimpleTarget;
25 import com.bumptech.glide.request.target.Target;
26 import com.bumptech.glide.request.transition.Transition;
27 import com.example.demonstrate.DemonstrateUtil;
28
29 import java.io.File;
30
31 public class MainActivity extends AppCompatActivity implements View.OnClickListener {
32
33 protected ImageView iv;
34 protected Button btn;
35 protected String item;
36 private String STR_TAG = "--->***";
37 private String TAG = this.getClass().getSimpleName();
38 protected String result;
39
40 @Override
41 protected void onCreate(Bundle savedInstanceState) {
42 super.onCreate(savedInstanceState);
43 super.setContentView(R.layout.activity_main);
44
45 initView();
46 }
47
48 private void initView() {
49 iv = (ImageView) findViewById(R.id.iv);
50 btn = (Button) findViewById(R.id.btn);
51 Button btn2 = (Button) findViewById(R.id.btn2);
52 btn.setOnClickListener(MainActivity.this);
53 btn2.setOnClickListener(MainActivity.this);
54 }
55
56 @Override
57 public void onClick(View view) {
58 if (view.getId() == R.id.btn) {
59 show();
60 } else if (view.getId() == R.id.btn2) {
61 show0();
62 }
63 }
64
65 private void show0() {
66 String[] items = {
67 "0加載圖片來自File",
68 "1加載圖片來自資源id",
69 "2加載圖片來自uri",
70 "3加載強制轉化為gif",
71 "4加載原圖的縮略圖",
72 "5加載縮略圖高級方式",
73 "6加載設置不緩存",
74 "7加載設置優先級",
75 "8加載回調后的圖片",
76 "9加載回調后的圖片設置尺寸",
77 "10加載圖片圓角轉換",
78 "11加載圖片圓角轉換2",
79 };
80 new AlertDialog.Builder(this)
81 .setTitle("glide操作2")
82 .setItems(items, new DialogInterface.OnClickListener() {
83 @Override
84 public void onClick(DialogInterface dialog, int which) {
85 switch (which) {
86 case 0:
87 selectedA0();
88 break;
89 case 1:
90 selectedA1();
91 break;
92 case 2:
93 selectedA2();
94 break;
95 case 3:
96 selectedA3();
97 break;
98 case 4:
99 selectedA4();
100 break;
101 case 5:
102 selectedA5();
103 break;
104 case 6:
105 selectedA6();
106 break;
107 case 7:
108 selectedA7();
109 break;
110 case 8:
111 selectedA8();
112 break;
113 case 9:
114 selectedA9();
115 break;
116 case 10:
117 selectedA10();
118 break;
119 case 11:
120 selectedA11();
121 break;
122 case 12:
123 break;
124 }
125 }
126 }).create()
127 .show();
128 }
129
130 private void selectedA11() {
131 //RoundedCorners,
132 //CenterInside
133 Glide.with(this)
134 .load(UC.IMAGE_URL_A11)
135 .apply(
136 new RequestOptions()
137 .override(300)
138 .transform(new RoundedCorners(20))
139 )
140 .into(iv);
141 }
142
143 private void selectedA10() {
144 Glide.with(this)
145 .load(UC.IMAGE_URL_A10)
146 .apply(new RequestOptions().transform(new GlideRoundTransform(this)))
147 .into(iv);
148 }
149
150 private void selectedA9() {
151 //強制Glide返回一個Bitmap
152 SimpleTarget<Bitmap> target = new SimpleTarget<Bitmap>(300, 300) {
153 @Override
154 public void onResourceReady(Bitmap resource, Transition<? super Bitmap> transition) {
155 iv.setImageBitmap(resource);
156 }
157 };
158 Glide.with(this).asBitmap()
159 .load(UC.IMAGE_URL_A9)
160 .into(target
161 );
162 }
163
164
165 private void selectedA8() {
166 //上面這段代碼不要寫成匿名內部類的機制，原因就是java的自動垃圾回收機制可能在圖片還沒有加載好的時候就已經把你的Target回收了
167 //注意.with()里面的參數，Glide的請求是和傳進去的Context共存亡的，如果傳一個Activity進去，當Activity GG過后，你的請求也就GG了，但是如果這樣傳：.with(context.getApplicationContext() ).當你的Activity GG過后，請求還是會繼續，回調還是會繼續。
168
169
170 //強制Glide返回一個Bitmap
171 SimpleTarget<Bitmap> target = new SimpleTarget<Bitmap>() {
172 @Override
173 public void onResourceReady(Bitmap resource, Transition<? super Bitmap> transition) {
174 iv.setImageBitmap(resource);
175 }
176 };
177 Glide.with(this).asBitmap()
178 .load(UC.IMAGE_URL_A8)
179 .into(target
180 );
181 }
182
183 private void selectedA7() {
184 Glide.with(this)
185 .load(UC.IMAGE_URL_A7)
186 .apply(new RequestOptions().priority(Priority.LOW))
187 .into(iv);
188 }
189
190 private void selectedA6() {
191 Glide.with(this)
192 .load(UC.IMAGE_URL_A6)
193 .apply(new RequestOptions().skipMemoryCache(true).diskCacheStrategy(DiskCacheStrategy.NONE))
194 .into(iv);
195 }
196
197 private void selectedA5() {
198 //先加載第一張圖片作為縮略圖,在加載最終要顯示的圖片
199 //thumbnail中加載的是縮略圖
200 Glide.with(this).load(UC.IMAGE_URL_9)
201 .thumbnail(Glide.with(this).load(UC.IMAGE_URL_A5)).into(iv);
202 }
203
204 private void selectedA4() {
205 //先加載為原圖的十分之一,后再加載原圖.
206 Glide.with(this)
207 .load(UC.IMAGE_URL_A4)
208 .thumbnail(0.1f)
209 .into(iv);
210 }
211
212 private void selectedA3() {
213 Glide.with(this).asGif().load(UC.GIF_URL_0).into(iv);
214 }
215
216 private void selectedA2() {
217 Glide.with(this)
218 .load(Uri.fromFile(new File(Environment.getExternalStorageDirectory(), "d.jpg")))
219 .into(iv);
220 }
221
222 private void selectedA1() {
223 Glide.with(this)
224 .load(R.mipmap.ic_launcher_round)
225 .into(iv);
226 }
227
228 private void selectedA0() {
229 File file = new File(Environment.getExternalStorageDirectory(), "3.jpg");
230 Glide.with(this).load(file).into(iv);
231 }
232
233 private void show() {
234 final String[] items = {
235 "0加載圖片一般用法",
236 "1加載圖片成功監聽",
237 "2加載圖片失敗",
238 "3加載圖片ID占位圖",
239 "4加載圖片Drawable占位圖",
240 "5加載圖片傳入null",
241 "6加載圖片后修改寬高",
242 "7加載圖片后修改寬高等尺寸",
243 "8加載圖片centerCrop",
244 "9加載圖片fitCenter",
245 "10加載圖片centerInside",
246 "11加載圖片circleCrop",
247 "12加載動態圖的第一幀",
248 "13加載動態圖成功",
249 "14加載本地視頻縮略圖",
250
251 };
252 new AlertDialog.Builder(this)
253 .setTitle("glide操作選項")
254 .setItems(items, new DialogInterface.OnClickListener() {
255 @Override
256 public void onClick(DialogInterface dialog, int which) {
257 item = items[which] + STR_TAG;
258 switch (which) {
259 case 0:
260 selected0();
261 break;
262 case 1:
263 selected1();
264 break;
265 case 2:
266 selected2();
267 break;
268 case 3:
269 selected3();
270 break;
271 case 4:
272 selected4();
273 break;
274 case 5:
275 selected5();
276 break;
277 case 6:
278 selected6();
279 break;
280 case 7:
281 selected7();
282 break;
283 case 8:
284 selected8();
285 break;
286 case 9:
287 selected9();
288 break;
289 case 10:
290 selected10();
291 break;
292 case 11:
293 selected11();
294 break;
295 case 12:
296 selected12();
297 break;
298 case 13:
299 selected13();
300 break;
301 case 14:
302 selected14();
303 break;
304 }
305 }
306 }).create()
307 .show();
308 }
309
310 private void selected14() {
311 //縮略圖的加載
312 String name = "v.f40.mp4";
313 Glide.with(this).load(Uri.fromFile(new File(Environment.getExternalStorageDirectory(), name)))
314 .into(iv);
315 }
316
317 private void selected13() {
318 //GIF加載，URL指向的資源必須是gif，如果是普通圖片則不顯示。
319 //相反，如果指向正確但沒有執行asGif方法，則只是作為普通圖片展示
320 Glide.with(this).asGif().load(UC.GIF_URL_0).into(iv);
321 }
322
323 private void selected12() {
324 //可理解為加載動態圖的第一幀的Bitmap,比如Gif
325 Glide.with(this).asBitmap().
326 load(UC.GIF_URL_0).into(iv);
327 }
328
329 private void selected11() {
330 Glide.with(this)
331 .load(UC.IMAGE_URL_11)
332 .apply(new RequestOptions().circleCrop())
333 .into(iv);
334 }
335
336 private void selected10() {
337 Glide.with(this)
338 .load(UC.IMAGE_URL_10)
339 .apply(new RequestOptions().centerInside())
340 .into(iv);
341 }
342
343 private void selected9() {
344 Glide.with(this)
345 .load(UC.IMAGE_URL_8)
346 .apply(new RequestOptions().fitCenter())
347 .into(iv);
348 }
349
350 private void selected8() {
351 RequestOptions options = new RequestOptions()
352 .centerCrop();
353 Glide.with(this)
354 .load(UC.IMAGE_URL_9)
355 .apply(options)
356 .into(iv);
357 }
358
359 private void selected7() {
360 RequestOptions options = new RequestOptions().override(300).fitCenter();
361 Glide.with(this)
362 .load(UC.IMAGE_URL_1)
363 .apply(options)
364 .into(iv);
365 }
366
367 private void selected6() {
368 RequestOptions options = new RequestOptions().override(400, 400).fitCenter();
369 Glide.with(this).load(UC.IMAGE_URL_1)
370 .apply(options)
371 .into(iv);
372 }
373
374 private void selected5() {
375 RequestOptions options = new RequestOptions()
376 .fallback(R.mipmap.ic_launcher)
377 .diskCacheStrategy(DiskCacheStrategy.NONE);
378 Glide.with(this)
379 .load(null)
380 .apply(options)
381 .into(iv);
382 }
383
384 private void selected4() {
385 Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.mipmap.load);
386 Drawable drawable = new BitmapDrawable(getResources(), bitmap);
387 RequestOptions options = new RequestOptions().placeholder(drawable);
388 Glide.with(this)
389 .load(UC.IMAGE_URL_ERROR)
390 .apply(options)
391 .into(iv);
392 }
393
394 private void selected3() {
395 RequestOptions options = new RequestOptions()
396 .placeholder(R.mipmap.load)
397 .error(R.mipmap.fail)
398 .fallback(R.mipmap.ic_launcher)
399 .diskCacheStrategy(DiskCacheStrategy.NONE);
400 Glide.with(this)
401 .load(UC.IMAGE_URL_ERROR)
402 .apply(options)
403 .into(iv);
404 }
405
406 private void selected2() {
407 Glide.with(this)
408 .load(UC.IMAGE_URL_ERROR)
409 .listener(new RequestListener<Drawable>() {
410 @Override
411 public boolean onLoadFailed(@Nullable GlideException e, Object model, Target<Drawable> target, boolean isFirstResource) {
412 DemonstrateUtil.showToastResult(MainActivity.this, "onLoadFailed失敗");
413 return false;
414 }
415
416 @Override
417 public boolean onResourceReady(Drawable resource, Object model, Target<Drawable> target, DataSource dataSource, boolean isFirstResource) {
418 DemonstrateUtil.showToastResult(MainActivity.this, "onResourceReady成功");
419 return false;
420 }
421 }).into(iv);
422 }
423
424 private void selected1() {
425
426 Glide.with(this)
427 .load(UC.IMAGE_URL_1)
428 .listener(new RequestListener<Drawable>() {
429 @Override
430 public boolean onLoadFailed(@Nullable GlideException e, Object model, Target<Drawable> target, boolean isFirstResource) {
431 DemonstrateUtil.showToastResult(MainActivity.this, "onLoadFailed加載失敗!");
432 return false;
433 }
434
435 @Override
436 public boolean onResourceReady(Drawable resource, Object model, Target<Drawable> target, DataSource dataSource, boolean isFirstResource) {
437 DemonstrateUtil.showToastResult(MainActivity.this, "onResourceReady加載成功!");
438 return false;
439 }
440 })
441 .into(iv);
442 }
443
444 private void selected0() {
445 //默認使用原圖加載,內存緩存,磁盤緩存,
446 Glide.with(this).load(UC.IMAGE_URL_0).into(iv);
447 }
448
449
450 }
實現圓角效果類
1 import android.content.Context;
2 import android.content.res.Resources;
3 import android.graphics.Bitmap;
4 import android.graphics.BitmapShader;
5 import android.graphics.Canvas;
6 import android.graphics.Paint;
7 import android.graphics.RectF;
8
9 import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
10 import com.bumptech.glide.load.resource.bitmap.BitmapTransformation;
11
12 import java.security.MessageDigest;
13
14
15 /**
16 *實現圓角效果.
17 */
18
19 public class GlideRoundTransform extends BitmapTransformation {
20 private float radius = 0f;
21
22 public GlideRoundTransform(Context context) {
23 this(context, 20);
24 }
25
26 public GlideRoundTransform(Context context, int dp) {
27 super(context);
28 //density,屏幕密度.1.5,1,0.75
29 this.radius = Resources.getSystem().getDisplayMetrics().density * dp;
30 }
31
32 @Override
33 protected Bitmap transform(BitmapPool pool, Bitmap toTransform, int outWidth, int outHeight) {
34 return roundCrop(pool, toTransform);
35 }
36
37 private Bitmap roundCrop(BitmapPool pool, Bitmap source) {
38 if (source == null) return null;
39 //Bitmap.Config.ARGB_8888,圖片質量.
40 Bitmap result = pool.get(source.getWidth(), source.getHeight(), Bitmap.Config.ARGB_8888);
41
42 if (result == null) {
43 result = Bitmap.createBitmap(source.getWidth(), source.getHeight(), Bitmap.Config.ARGB_8888);
44 }
45 Canvas canvas = new Canvas(result);
46 Paint paint = new Paint();
47 //REPEAT,MIRROR,CLAMP{重復,鏡像,拉伸}
48 //設置着色器
49 paint.setShader(new BitmapShader(source, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP));
50 //設置抗鋸齒.
51 paint.setAntiAlias(true);
52 //矩陣,(float left, float top, float right, float bottom)
53 //矩形的左邊的x坐標,矩形的頂部的Y坐標,對右側的矩形的x坐標,矩形的底部的Y坐標
54 RectF rectF = new RectF(0f, 0f, source.getWidth(), source.getHeight());
55 //畫指定的圓矩形。
56 //drawRoundRect(RectF rect, float rx, float ry, @NonNull Paint paint)
57 //矩陣,圓角,橢圓的x半徑,y半徑.畫筆,
58 canvas.drawRoundRect(rectF, radius, radius, paint);
59 return result;
60
61 }
62
63 @Override
64 public void updateDiskCacheKey(MessageDigest messageDigest) {
65
66 }
67 }
MyTransformation設置Bitmap寬高
1 import android.content.Context;
2 import android.graphics.Bitmap;
3
4 import com.bumptech.glide.Glide;
5 import com.bumptech.glide.load.Transformation;
6 import com.bumptech.glide.load.engine.Resource;
7 import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
8 import com.bumptech.glide.load.resource.bitmap.BitmapResource;
9
10 import java.security.MessageDigest;
11
12 /**
13 * Created by think on 2017/10/25.
14 */
15
16 public class MyTransformation implements Transformation<Bitmap> {
17
18 private BitmapPool mBitmapPool;
19 private int mWidth;
20 private int mHeight;
21
22 public MyTransformation(Context context) {
23 this(Glide.get(context).getBitmapPool());
24 }
25
26 public MyTransformation(BitmapPool pool) {
27 this.mBitmapPool = pool;
28 }
29
30 @Override
31 public Resource<Bitmap> transform(Context context, Resource<Bitmap> resource, int outWidth, int outHeight) {
32 Bitmap source = resource.get();
33 int size = Math.min(source.getWidth(), source.getHeight());
34
35 mWidth = (source.getWidth() - size) / 2;
36 mHeight = (source.getHeight() - size) / 2;
37
38 Bitmap.Config config =
39 source.getConfig() != null ? source.getConfig() : Bitmap.Config.ARGB_8888;
40 Bitmap bitmap = mBitmapPool.get(mWidth, mHeight, config);
41 if (bitmap == null) {
42 bitmap = Bitmap.createBitmap(source, mWidth, mHeight, size, size);
43 }
44
45 return BitmapResource.obtain(bitmap, mBitmapPool);
46 }
47
48 @Override
49 public void updateDiskCacheKey(MessageDigest messageDigest) {
50
51 }
52 }
自定義網絡圖片
1 public interface UC {
2 String IMAGE_URL_0 = "http://p0.so.qhmsg.com/t010b9ba7c1e568dd3f.jpg";
3 String IMAGE_URL_1 = "http://img3.a0bi.com/upload/ttq/20160621/1466508726953.jpg";
4 String IMAGE_URL_8= "http://www.285868.com/uploadfile/2016/1027/20161027102235543.jpg";
5 String IMAGE_URL_ERROR = "http://p0.so.qhmsg.com/t010b9ba7c1e568dd3f66.jpg";
6 String IMAGE_URL_9 = "http://img2.3lian.com/2014/f3/51/d/2.jpg";
7 String IMAGE_URL_10 = "http://www.5djiaren.com/uploads/2015-10/24-175904_894.jpg";
8 String IMAGE_URL_11 = "http://tupian.enterdesk.com/2013/mxy/0810/1/4.jpg";
9 String IMAGE_URL_12 = "http://thumb.takefoto.cn/wp-content/uploads/2016/03/201603211236327864.jpg";
10
11 String GIF_URL_0 = "http://uploads.rayli.com.cn/2016/0823/1471943453795.gif";
12 String VIDEO_RUL_0 = "http://1251603248.vod2.myqcloud.com/4c9adaa7vodtransgzp1251603248/30e0819d9031868223192061218/v.f40.mp4";
13 String IMAGE_URL_A4 = "http://www.hinews.cn/pic/0/10/24/62/10246261_856361.jpg";
14 String IMAGE_URL_A5 = "http://img1.gtimg.com/0/1/168/16805_1200x1000_0.jpg";
15 String IMAGE_URL_A6 = "http://img.mp.itc.cn/upload/20161104/d5737b849b6442ea9f594ddc3cbbc23a_th.jpeg";
16 String IMAGE_URL_A7 = "http://5.26923.com/download/pic/000/330/4a9bfbb14275471e5ec956ad416b6194.jpg";
17 String IMAGE_URL_A8 = "http://pic1.win4000.com/wallpaper/8/55f91ad3a23ea.jpg";
18 String IMAGE_URL_A9 = "http://www.hinews.cn/pic/0/14/00/69/14006911_715505.jpg";
19 String IMAGE_URL_A10 = "http://p4.so.qhmsg.com/t0199c5431414d2ea29.jpg";
20 String IMAGE_URL_A11 = "http://p2.cri.cn/M00/1C/C0/CqgNOlm4oreAHkbcAAAAAAAAAAA69.3200x2000.jpeg";
21 String IMAGE_URL_A12 = "http://img1.qq.com/ent/pics/10742/10742073.jpg";
22 }
在清單加入權限
1 <uses-permission android:name="android.permission.INTERNET"/> 2 <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> 3 <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
在build中加入Glide依賴
1 compile 'com.github.bumptech.glide:glide:4.2.0'