<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"tools:context="${relativePackage}.${activityClass}" ><com.edmodo.cropper.CropImageViewxmlns:custom="http://schemas.android.com/apk/res-auto"android:id="@+id/CropImageView"android:layout_width="match_parent"android:layout_height="match_parent"android:layout_above="@+id/imageView"android:layout_centerHorizontal="true"android:background="#ff0000"/><ImageViewandroid:id="@+id/imageView"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_above="@+id/button1"android:layout_centerHorizontal="true"android:src="@drawable/abc_ab_bottom_solid_dark_holo" /><Buttonandroid:id="@+id/button1"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_alignParentBottom="true"android:layout_centerHorizontal="true"android:text="裁剪" /></RelativeLayout>

package com.kale.croppertest;import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.ImageView;import com.edmodo.cropper.CropImageView;public class MainActivity extends Activity {CropImageView cImageView;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);cImageView = (CropImageView) findViewById(R.id.CropImageView);cImageView.setImageBitmap(getBitmap(R.drawable.right));//为了兼容小图片，必须在代码中加载图片cImageView.rotateImage(30);//设定图片的旋转角度cImageView.setFixedAspectRatio(true);//设置允许按比例截图，如果不设置就是默认的任意大小截图cImageView.setAspectRatio(1, 1);//设置比例为一比一cImageView.setGuidelines(CropImageView.ON);//设置显示网格的时机，默认为on_touch
        Button btn = (Button)findViewById(R.id.button1);btn.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {// TODO 自动生成的方法存根Bitmap bitmap = cImageView.getCroppedImage();//得到裁剪好的图片ImageView croppedImageView = (ImageView) findViewById(R.id.imageView);croppedImageView.setImageBitmap(bitmap);//设置到imageview中
            }});}/*** @param resId* @return 如果图片太小，那么就拉伸*/public Bitmap getBitmap(int resId) {WindowManager wm = (WindowManager) getBaseContext().getSystemService(Context.WINDOW_SERVICE);int width = wm.getDefaultDisplay().getWidth();Bitmap bitmap=BitmapFactory.decodeResource(getResources(), resId);float scaleWidth = 1,scaleHeight = 1;if(bitmap.getWidth() < width) {scaleWidth = width / bitmap.getWidth();scaleHeight = scaleWidth;}Matrix matrix = new Matrix();matrix.postScale(scaleWidth, scaleHeight);bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(),bitmap.getHeight(), matrix, true);return bitmap;}}