android 拍照 相册调用本地，裁剪 对于工具类 轻松搞定

版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/bbtianshi/article/details/81223777

对应点击头像 底部弹出框 拍照 相册取消 

https://blog.csdn.net/bbtianshi/article/details/81224736

这里对于一个工具类 对于的裁决 ，等对应简单封装，有待完善 优化 对于的扩展

下面撸代码  这对于的是一个工具类

public class CameraGallaryUtil {
    private static final int RESULT_OK = -1;
    public static final int PHOTO_REQUEST_TAKEPHOTO = 1;// 拍照
    public static final int PHOTO_REQUEST_GALLERY = 2;// 从相册中选择
    public static final int PHOTO_REQUEST_CUT = 3;// 裁剪结果

    public static final Uri fileUri = Uri.fromFile(new File(Environment.getExternalStorageDirectory()
            .getPath() + File.separator + "temp.jpg"));//临时储存的Uri

    public static Bitmap getBitmapFromCG(Activity activity, int requestCode, int resultCode, Intent data) {
        Bitmap bitmap = null;
        switch (requestCode) {
            // 如果是拍照
            case PHOTO_REQUEST_TAKEPHOTO:
                if (resultCode == RESULT_OK) {
                    // 没有指定特定存储路径的时候，data不为null
                    if (data != null) {
                        if (data.getData() != null) {
                            startPhotoZoom(activity, data.getData());
                        }
                    } else {
                        startPhotoZoom(activity, fileUri);
                    }
                }
                break;
            // 如果是从相册选取
            case PHOTO_REQUEST_GALLERY:
                if (data != null) {
                    if (data.getData() != null) {
                        startPhotoZoom(activity, data.getData());
                    }
                }
                break;
            //如果是裁剪完成
            case PHOTO_REQUEST_CUT:
                if (data != null) {
                    Bundle bundle = data.getExtras();
                    if (bundle != null) {
                        bitmap = bundle.getParcelable("data");
                    }
                }
                break;
        }
        return bitmap;
    }

    private static void startPhotoZoom(Activity activity, Uri uri) {
        Intent intent = new Intent("com.android.camera.action.CROP");
        intent.setDataAndType(uri, "image/*");
        // crop为true是设置在开启的intent中设置显示的view可以剪裁
        intent.putExtra("crop", "true");
        //aspectX aspectY 是宽高的比例
        intent.putExtra("aspectX", 300);
        intent.putExtra("aspectY", 400);
        //outputX,outputY 是剪裁图片的宽高
        intent.putExtra("outputX", 300);
        intent.putExtra("outputY", 400);
        intent.putExtra("return-data", true);
        activity.startActivityForResult(intent, PHOTO_REQUEST_CUT);
    }
}

对于的xml布局

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.lbb.rosewoodclient.mine.view.activity.CameraActivity">
<Button
    android:id="@+id/camera"
    android:text="拍照"
    android:layout_width="match_parent"
    android:layout_height="wrap_content" />
    <Button
        android:id="@+id/photo"
        android:text="相册"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />
    <ImageView
        android:id="@+id/picture"
        android:src="@mipmap/ic_launcher"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

</LinearLayout>

最后就是对应的 主Activity

ublic class CameraActivity extends AppCompatActivity  implements View.OnClickListener{
Button photo,camera;
ImageView picture;
Intent intent;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_camera);
        photo = (Button)findViewById(R.id.photo);
        camera = (Button)findViewById(R.id.camera);
   picture = (ImageView)findViewById(R.id.picture);

   photo.setOnClickListener(this);
   camera.setOnClickListener(this);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        Bitmap bitmap=CameraGallaryUtil.getBitmapFromCG(this,requestCode,resultCode,data);
        picture.setImageBitmap(bitmap);
    }


    @Override
    public void onClick(View view) {
        switch (view.getId())
        {
            case R.id.camera:
                // 利用系统自带的相机应用:拍照
                intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                // 此处这句intent的值设置关系到后面的onActivityResult中会进入那个分支，即关系到data是否为null
                // 如果此处指定，则后来的data为null
                // 只有指定路径才能获取原图
                intent.putExtra(MediaStore.EXTRA_OUTPUT, CameraGallaryUtil.fileUri);
                startActivityForResult(intent, CameraGallaryUtil.PHOTO_REQUEST_TAKEPHOTO);
                break;

            case  R.id.photo:
                intent = new Intent(Intent.ACTION_PICK, null);
                intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "image/*");
                startActivityForResult(intent, CameraGallaryUtil.PHOTO_REQUEST_GALLERY);
                break;
        }
    }
}

简单实现 ，有待 完善  大神勿喷  ..............