Java ImageView.ScaleType方法代碼示例

import android.widget.ImageView; //導入方法依賴的package包/類
@Test
public void testSetResizeMode() throws Exception {

  ImageView imageView = mWXImage.initComponentHostView(Robolectric.setupActivity(TestActivity.class));
  mWXImage.mHost = imageView;

  mWXImage.setResizeMode("cover");
  ImageView.ScaleType scaleType = mWXImage.getHostView().getScaleType();
  assertEquals(scaleType, ImageView.ScaleType.CENTER_CROP);

}
 

import android.widget.ImageView; //導入方法依賴的package包/類
private static boolean isSupportedScaleType(ImageView.ScaleType scaleType) {
    if(null == scaleType) {
        return false;
    } else {
        switch(scaleType.ordinal()) {
            case 1:
                throw new IllegalArgumentException(scaleType.name() + " is not supported in PhotoView");
            default:
                return true;
        }
    }
}
 

import android.widget.ImageView; //導入方法依賴的package包/類
public static ImageView getItemImageView(Context context, @DrawableRes int placeholderResId, ImageView.ScaleType scaleType) {
    ImageView imageView = new ImageView(context);
    imageView.setImageResource(placeholderResId);
    imageView.setClickable(true);
    imageView.setScaleType(scaleType);
    return imageView;
}
 

import android.widget.ImageView; //導入方法依賴的package包/類
@Test
public void testSetResize() throws Exception {
  ImageView imageView = mWXImage.initComponentHostView(Robolectric.setupActivity(TestActivity.class));
  mWXImage.mHost = imageView;

  mWXImage.setResize("cover");
  ImageView.ScaleType scaleType = mWXImage.getHostView().getScaleType();
  assertEquals(scaleType, ImageView.ScaleType.CENTER_CROP);
}
 

import android.widget.ImageView; //導入方法依賴的package包/類
public void setScaleType(ImageView.ScaleType scaleType) {
    mKeyButtonView.setScaleType(scaleType);
}
 

import android.widget.ImageView; //導入方法依賴的package包/類
public ImageView.ScaleType getScaleType() {
    return mScaleType;
}
 

import android.widget.ImageView; //導入方法依賴的package包/類
public ImageView.ScaleType getImageScaleType() {
    return imageScaleType;
}
 

import android.widget.ImageView; //導入方法依賴的package包/類
public T setImageScaleType(ImageView.ScaleType imageScaleType) {
    mScaleType = imageScaleType;
    return (T) this;
}
 

import android.widget.ImageView; //導入方法依賴的package包/類
public Builder setImageScaleType(ImageView.ScaleType imageScaleType) {
    options.imageScaleType = imageScaleType;
    return this;
}
 

import android.widget.ImageView; //導入方法依賴的package包/類
public static Bitmap getImageThumbnail(String path, int mMaxWidth, int mMaxHeight){
    Bitmap.Config mDecodeConfig = Bitmap.Config.RGB_565;
    ImageView.ScaleType mScaleType = ImageView.ScaleType.CENTER_CROP;

    File bitmapFile = new File(path);
    Bitmap bitmap = null;

    if (!bitmapFile.exists() || !bitmapFile.isFile()) {
        return bitmap;
    }

    BitmapFactory.Options decodeOptions = new BitmapFactory.Options();
    decodeOptions.inInputShareable = true;
    decodeOptions.inPurgeable = true;
    decodeOptions.inPreferredConfig = mDecodeConfig;
    if (mMaxWidth == 0 && mMaxHeight == 0) {

        bitmap = BitmapFactory.decodeFile(bitmapFile.getAbsolutePath(), decodeOptions);
    } else {
        // If we have to resize this image, first get the natural bounds.
        decodeOptions.inJustDecodeBounds = true;
        BitmapFactory.decodeFile(bitmapFile.getAbsolutePath(), decodeOptions);
        int actualWidth = decodeOptions.outWidth;
        int actualHeight = decodeOptions.outHeight;

        // Then compute the dimensions we would ideally like to decode to.
        int desiredWidth = getResizedDimension(mMaxWidth, mMaxHeight,
                actualWidth, actualHeight, mScaleType);
        int desiredHeight = getResizedDimension(mMaxHeight, mMaxWidth,
                actualHeight, actualWidth, mScaleType);

        // Decode to the nearest power of two scaling factor.
        decodeOptions.inJustDecodeBounds = false;
        decodeOptions.inSampleSize = ImageUtils.findBestSampleSize(actualWidth, actualHeight, desiredWidth, desiredHeight);
        Bitmap tempBitmap = BitmapFactory.decodeFile(bitmapFile.getAbsolutePath(), decodeOptions);
        // If necessary, scale down to the maximal acceptable size.
        if (tempBitmap != null
                && (tempBitmap.getWidth() > desiredWidth || tempBitmap.getHeight() > desiredHeight)) {
            bitmap = Bitmap.createScaledBitmap(tempBitmap, desiredWidth,
                    desiredHeight, true);
            tempBitmap.recycle();
        } else {
            bitmap = tempBitmap;
        }

    }
    return bitmap;
}
 

import android.widget.ImageView; //導入方法依賴的package包/類
public BitmapCallback(int maxWidth, int maxHeight, Bitmap.Config decodeConfig, ImageView.ScaleType scaleType) {
    convert = new BitmapConvert(maxWidth, maxHeight, decodeConfig, scaleType);
}
 

import android.widget.ImageView; //導入方法依賴的package包/類
@Test
public void testSetProperty() throws Exception {

  ImageView imageView = mWXImage.initComponentHostView(Robolectric.setupActivity(TestActivity.class));
  mWXImage.mHost = imageView;

  mWXImage.setProperty(Constants.Name.RESIZE_MODE, "cover");
  ImageView.ScaleType scaleType = mWXImage.getHostView().getScaleType();
  assertEquals(scaleType, ImageView.ScaleType.CENTER_CROP);


}
 

import android.widget.ImageView; //導入方法依賴的package包/類
/**
 * Return the current scale type in use by the ImageView.
 *
 * @return current ImageView.ScaleType
 */
ImageView.ScaleType getScaleType();
 

import android.widget.ImageView; //導入方法依賴的package包/類
/**
 * Controls how the image should be resized or moved to match the size of
 * the ImageView. Any scaling or panning will happen within the confines of
 * this {@link ImageView.ScaleType}.
 *
 * @param scaleType - The desired scaling mode.
 */
void setScaleType(ImageView.ScaleType scaleType);
 

import android.widget.ImageView; //導入方法依賴的package包/類
/**
 * Return the current scale type in use by the ImageView.
 */
ImageView.ScaleType getScaleType();