MainActivity.java

package com.linchaolong.android.imagepicker.demo;

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;

import androidx.appcompat.app.AppCompatActivity;

import com.facebook.drawee.generic.RoundingParams;
import com.facebook.drawee.view.SimpleDraweeView;
import com.linchaolong.android.imagepicker.ImagePicker;
import com.linchaolong.android.imagepicker.cropper.CropImage;
import com.linchaolong.android.imagepicker.cropper.CropImageView;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

    private ImagePicker imagePicker;
    private SimpleDraweeView draweeView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        findViewById(R.id.fragmentTest).setOnClickListener(this);
        draweeView = findViewById(R.id.draweeView);
        draweeView.setOnClickListener(this);

        imagePicker = new ImagePicker(this, new ImagePicker.Callback() {
            // 选择图片回调
            @Override
            public void onPickImage(Uri imageUri) {

            }

            // 裁剪图片回调
            @Override
            public void onCropImage(Uri imageUri) {
                draweeView.setImageURI(imageUri);
                draweeView.getHierarchy().setRoundingParams(RoundingParams.asCircle());
            }

            // 自定义裁剪配置
            @Override
            public void cropConfig(CropImage.ActivityBuilder builder) {
                builder
                        // 是否启动多点触摸
                        .setMultiTouchEnabled(false)
                        // 设置网格显示模式
                        .setGuidelines(CropImageView.Guidelines.OFF)
                        // 圆形/矩形
                        .setCropShape(CropImageView.CropShape.RECTANGLE)
                        // 调整裁剪后的图片最终大小
                        .setRequestedSize(960, 540)
                        // 宽高比
                        .setAspectRatio(16, 9);
            }

            // 用户拒绝授权回调
            @Override
            public void onPermissionDenied(String permissions) {
            }
        });

        // 设置标题
        imagePicker.setTitle("设置头像");
        // 设置是否裁剪图片
        imagePicker.setCropImage(true);
    }

    private void startChooser() {
        // 启动图片选择器
        imagePicker.startChooser();
    }

    @Override
    public void onClick(View v) {
        if (v.getId() == R.id.draweeView) {
            startChooser();
        } else if (v.getId() == R.id.fragmentTest) {
            startActivity(new Intent(this, FragmentTestActivity.class));
        }
    }
}