android:src="@drawable/photo1"
android:scaleType=“center”
makeramen:corner_radius=“100dp”
makeramen:border_width=“2dip”
makeramen:border_color="#333333" />
android:id="@+id/textView3" android:layout_width=“wrap_content” android:layout_height=“wrap_content” android:layout_marginBottom=“36dp” android:layout_marginLeft=“36dp” android:layout_alignBottom="@+id/imageView1" android:layout_alignLeft="@+id/imageView1" android:background="#7f000000" android:paddingLeft=“8dp” android:paddingRight=“8dp” android:textAppearance="?android:attr/textAppearanceSmallInverse" /> android:id="@+id/textView2" android:layout_width=“wrap_content” android:layout_height=“wrap_content” android:layout_above="@+id/textView3" android:layout_alignLeft="@+id/textView3" android:layout_marginBottom=“4dp” android:background="#7f000000" android:paddingLeft=“8dp” android:paddingRight=“8dp” android:textAppearance="?android:attr/textAppearanceMediumInverse" /> android:id="@+id/textView1" android:layout_width=“wrap_content” android:layout_height=“wrap_content” android:layout_above="@+id/textView2" android:layout_alignLeft="@+id/textView2" android:layout_marginBott 《Android学习笔记总结+最新移动架构视频+大厂安卓面试真题+项目实战源码讲义》 【docs.qq.com/doc/DSkNLaERkbnFoS0ZF】 完整内容开源分享 om=“4dp” android:background="#7f000000" android:paddingLeft=“8dp” android:paddingRight=“8dp” android:textAppearance="?android:attr/textAppearanceLargeInverse" /> 如下图: 用代码创建 : RoundedImageView iv = new RoundedImageView(context); iv.setScaleType(ScaleType.CENTER_CROP); iv.setCornerRadius(10); iv.setBorderWidth(2); iv.setBorderColor(Color.DKGRAY); iv.setRoundedBackground(true); iv.setImageDrawable(drawable); iv.setBackground(backgroundDrawable); iv.setOval(true); 贴上部分源码: package com.makeramen; import android.content.Context; import android.content.res.ColorStateList; import android.content.res.Resources; import android.content.res.TypedArray; import android.graphics.Bitmap; import android.graphics.drawable.Drawable; import android.graphics.drawable.LayerDrawable; import android.net.Uri; import android.util.AttributeSet; import android.util.Log; import android.widget.ImageView; @SuppressWarnings(“UnusedDeclaration”) public class RoundedImageView extends ImageView { public static final String TAG = “RoundedImageView”; public static final float DEFAULT_RADIUS = 0f; public static final float DEFAULT_BORDER_WIDTH = 0f; private static final ScaleType[] SCALE_TYPES = { ScaleType.MATRIX, ScaleType.FIT_XY, ScaleType.FIT_START, ScaleType.FIT_CENTER, ScaleType.FIT_END, ScaleType.CENTER, ScaleType.CENTER_CROP, ScaleType.CENTER_INSIDE }; private float cornerRadius = DEFAULT_RADIUS; private float borderWidth = DEFAULT_BORDER_WIDTH; private ColorStateList borderColor = ColorStateList.valueOf(RoundedDrawable.DEFAULT_BORDER_COLOR); private boolean isOval = false; private boolean mutateBackground = false; private int mResource; private Drawable mDrawable; private Drawable mBackgroundDrawable; private ScaleType mScaleType; public RoundedImageView(Context context) { super(context); } public RoundedImageView(Context context, AttributeSet attrs) { this(context, attrs, 0); } public RoundedImageView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RoundedImageView, defStyle, 0); int index = a.getInt(R.styleable.RoundedImageView_android_scaleType, -1); if (index >= 0) { setScaleType(SCALE_TYPES[index]); } else { // default scaletype to FIT_CENTER setScaleType(ScaleType.FIT_CENTER); } cornerRadius = a.getDimensionPixelSize(R.styleable.RoundedImageView_corner_radius, -1); borderWidth = a.getDimensionPixelSize(R.styleable.RoundedImageView_border_width, -1); // don’t allow negative values for radius and border if (cornerRadius < 0) { cornerRadius = DEFAULT_RADIUS; } if (borderWidth < 0) { borderWidth = DEFAULT_BORDER_WIDTH; } borderColor = a.getColorStateList(R.styleable.RoundedImageView_border_color); if (borderColor == null) { borderColor = ColorStateList.valueOf(RoundedDrawable.DEFAULT_BORDER_COLOR); } mutateBackground = a.getBoolean(R.styleable.RoundedImageView_mutate_background, false); isOval = a.getBoolean(R.styleable.RoundedImageView_oval, false); updateDrawableAttrs(); updateBackgroundDrawableAttrs(true); a.recycle(); } @Override protected void drawableStateChanged() { super.drawableStateChanged(); invalidate(); } @Override public ScaleType getScaleType() { return mScaleType; } @Override public void setScaleType(ScaleType scaleType) { assert scaleType != null; if (mScaleType != scaleType) { mScaleType = scaleType; switch (scaleType) { case CENTER: case CENTER_CROP: case CENTER_INSIDE: case FIT_CENTER: case FIT_START: case FIT_END: case FIT_XY: super.setScaleType(ScaleType.FIT_XY); break; default: super.setScaleType(scaleType); break; } updateDrawableAttrs(); updateBackgroundDrawableAttrs(false); invalidate(); } } @Override public void setImageDrawable(Drawable drawable) { mResource = 0; mDrawable = RoundedDrawable.fromDrawable(drawable); updateDrawableAttrs(); super.setImageDrawable(mDrawable); } @Override public void setImageBitmap(Bitmap bm) { mResource = 0; mDrawable = RoundedDrawable.fromBitmap(bm); updateDrawableAttrs(); super.setImageDrawable(mDrawable); } @Override public void setImageResource(int resId) { if (mResource != resId) { mResource = resId; mDrawable = resolveResource(); updateDrawableAttrs(); super.setImageDrawable(mDrawable); } } @Override public void setImageURI(Uri uri) { super.setImageURI(uri); setImageDrawable(getDrawable()); } private Drawable resolveResource() { Resources rsrc = getResources(); if (rsrc == null) { return null; } Drawable d = null; if (mResource != 0) { try { d = rsrc.getDrawable(mResource); } catch (Exception e) { Log.w(TAG, "Unable to find resource: " + mResource, e); // Don’t try again. mResource = 0; } } return RoundedDrawable.fromDrawable(d); } @Override public void setBackground(Drawable background) { setBackgroundDrawable(background); } private void updateDrawableAttrs() { updateAttrs(mDrawable); } private void updateBackgroundDrawableAttrs(boolean convert) { if (mutateBackground) { if (convert) { mBackgroundDrawable = RoundedDrawable.fromDrawable(mBackgroundDrawable); } updateAttrs(mBackgroundDrawable); } } private void updateAttrs(Drawable drawable) { if (drawable == null) { return; } if (drawable instanceof RoundedDrawable) { ((RoundedDrawable) drawable) .setScaleType(mScaleType) .setCornerRadius(cornerRadius) .setBorderWidth(borderWidth) .setBorderColor(borderColor) .setOval(isOval); } else if (drawable instanceof LayerDrawable) { // loop through layers to and set drawable attrs LayerDrawable ld = ((LayerDrawable) drawable); for (int i = 0, layers = ld.getNumberOfLayers(); i < layers; i++) { updateAttrs(ld.getDrawable(i)); } } } @Override @Deprecated public void setBackgroundDrawable(Drawable background) { mBackgroundDrawable = background; updateBackgroundDrawableAttrs(true); super.setBackgroundDrawable(mBackgroundDrawable); } public float getCornerRadius() { return cornerRadius; } public void setCornerRadius(int resId) { setCornerRadius(getResources().getDimension(resId)); } public void setCornerRadius(float radius) { if (cornerRadius == radius) { return; } cornerRadius = radius; updateDrawableAttrs(); updateBackgroundDrawableAttrs(false); } public float getBorderWidth() { return borderWidth; } public void setBorderWidth(int resId) { setBorderWidth(getResources().getDimension(resId)); } public void setBorderWidth(float width) { if (borderWidth == width) { return; } borderWidth = width; updateDrawableAttrs(); updateBackgroundDrawableAttrs(false);
