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本篇文章為大家展示了怎么在Android中利用Glide獲取圖片的寬高,內(nèi)容簡(jiǎn)明扼要并且容易理解,絕對(duì)能使你眼前一亮,通過這篇文章的詳細(xì)介紹希望你能有所收獲。
//獲取圖片顯示在ImageView后的寬高 Glide.with(this) .load(imgUrl) .asBitmap()//強(qiáng)制Glide返回一個(gè)Bitmap對(duì)象 .listener(new RequestListener<String, Bitmap>() { @Override public boolean onException(Exception e, String model, Target<Bitmap> target, boolean isFirstResource) { Log.d(TAG, "onException " + e.toString()); return false; } @Override public boolean onResourceReady(Bitmap bitmap, String model, Target<Bitmap> target, boolean isFromMemoryCache, boolean isFirstResource) { int width = bitmap.getWidth(); int height = bitmap.getHeight(); Log.d(TAG, "width3 " + width); //400px Log.d(TAG, "height2 " + height); //400px return false; } }).into(mIv_img);
想要拿到圖片真正的寬高,應(yīng)該利用Glide的Target。如下:
//獲取圖片真正的寬高 Glide.with(this) .load(imgUrl) .asBitmap()//強(qiáng)制Glide返回一個(gè)Bitmap對(duì)象 .into(new SimpleTarget<Bitmap>() { @Override public void onResourceReady(Bitmap bitmap, GlideAnimation<? super Bitmap> glideAnimation) { int width = bitmap.getWidth(); int height = bitmap.getHeight(); Log.d(TAG, "width " + width); //200px Log.d(TAG, "height " + height); //200px } });
完整代碼
MainActivity.java
public class MainActivity extends AppCompatActivity { private ImageView mIv_img; String imgUrl = "https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=523024675,1399288021&fm=117&gp=0.jpg"; private String TAG = this.getClass().getSimpleName(); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mIv_img = (ImageView) findViewById(R.id.iv_img); //獲取圖片真正的寬高 Glide.with(this) .load(imgUrl) .asBitmap()//強(qiáng)制Glide返回一個(gè)Bitmap對(duì)象 .into(new SimpleTarget<Bitmap>() { @Override public void onResourceReady(Bitmap bitmap, GlideAnimation<? super Bitmap> glideAnimation) { int width = bitmap.getWidth(); int height = bitmap.getHeight(); Log.d(TAG, "width " + width); //200px Log.d(TAG, "height " + height); //200px } }); //獲取圖片顯示在ImageView后的寬高 Glide.with(this) .load(imgUrl) .asBitmap()//強(qiáng)制Glide返回一個(gè)Bitmap對(duì)象 .listener(new RequestListener<String, Bitmap>() { @Override public boolean onException(Exception e, String model, Target<Bitmap> target, boolean isFirstResource) { Log.d(TAG, "onException " + e.toString()); return false; } @Override public boolean onResourceReady(Bitmap bitmap, String model, Target<Bitmap> target, boolean isFromMemoryCache, boolean isFirstResource) { int width = bitmap.getWidth(); int height = bitmap.getHeight(); Log.d(TAG, "width3 " + width); //400px Log.d(TAG, "height2 " + height); //400px return false; } }).into(mIv_img); } }
activity_main.xml
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout android:id="@+id/activity_main" xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"> <ImageView android:id="@+id/iv_img" android:layout_width="200dp" android:layout_height="200dp" android:layout_centerInParent="true" android:scaleType="centerCrop" android:src="@mipmap/ic_launcher"/> </RelativeLayout>
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