上传头像

爱上华尔兹

于 2019-07-08 21:14:29 发布

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CC 4.0 BY-SA版权

本文链接：https://blog.youkuaiyun.com/Mao_Jia/article/details/95100164

本文介绍了一个Android应用中实现头像选择与裁剪的功能。通过使用PopupWindow展示选项，用户可以选择从相册选取或拍照上传头像，之后进行1:1比例的裁剪并保存至本地。文章详细展示了如何利用Intent启动系统相册和相机，并处理返回的数据，最后通过Glide加载圆形裁剪后的图片到ImageView。

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public class MainActivity extends AppCompatActivity {

@BindView(R.id.main_image)
ImageView mainImage;
@BindView(R.id.main_text)
TextView mainText;
private SharedPreferences sp;
private SharedPreferences.Editor edit;
private Button but1;
private Button but2;
private PopupWindow popupWindow;
private MyUtil instance = MyUtil.getInstance();
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    ButterKnife.bind(this);
    sp = getSharedPreferences("sp", Context.MODE_PRIVATE);
    edit = sp.edit();
    String headPath = sp.getString("headPath", null);

    mainImage.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            View view = LayoutInflater.from(MainActivity.this).inflate(R.layout.pop_layout, null);
            popupWindow = new PopupWindow(view, LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT, true);
            popupWindow.setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
            popupWindow.setOutsideTouchable(true);
            View inflate = LayoutInflater.from(MainActivity.this).inflate(R.layout.activity_main, null);
            popupWindow.showAtLocation(inflate, Gravity.BOTTOM, 0, 0);
            but1 = view.findViewById(R.id.but1);
            but2 = view.findViewById(R.id.but2);
            but1.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    Intent intent = new Intent(Intent.ACTION_PICK, null);
                    intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "image/*");
                    startActivityForResult(intent, 1000);
                    popupWindow.dismiss();
                }
            });
            but2.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE, null);
                    intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(Environment.getExternalStorageDirectory(), "heads.jpg")));
                    startActivityForResult(intent, 2000);
                    popupWindow.dismiss();
                }
            });
        }
    });
}
public void cropPhoto(Uri uri) {
    Intent intent = new Intent("com.android.camera.action.CROP");
    intent.setDataAndType(uri, "image/*");
    intent.putExtra("crop", "true");
    // aspectX aspectY 是宽高的比例
    intent.putExtra("aspectX", 1);
    intent.putExtra("aspectY", 1);
    // outputX outputY 是裁剪图片宽高
    intent.putExtra("outputX", 127);
    intent.putExtra("outputY", 127);
    intent.putExtra("return-data", true);
    startActivityForResult(intent, 3000);
}

@Override
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    switch (requestCode){
        case 1000:
            cropPhoto(data.getData());
            break;
        case 2000:
            String s2 = Environment.getExternalStorageDirectory().getAbsolutePath() + "heads.jpg";
            File file = new File(Environment.getExternalStorageDirectory() + "/heads.jpg");
            Bitmap bitmap = BitmapFactory.decodeFile(s2);
            Glide.with(MainActivity.this).load(bitmap).apply(RequestOptions.bitmapTransform(new CircleCrop())).into(mainImage);
            cropPhoto(Uri.fromFile(file));
            loadUrl(new File(s2));

            break;
        case 3000:
            if (data != null) {
                Bundle extras = data.getExtras();
                Bitmap heads = extras.getParcelable("data");
                Glide.with(MainActivity.this).load(heads).apply(RequestOptions.bitmapTransform(new CircleCrop())).into(mainImage);
                //setPicToView(head);
                String s = Environment.getExternalStorageDirectory().getAbsolutePath() + "/heads.jpg";
                loadUrl(new File(s));
            }
            break;
    }
}
private void loadUrl(File file) {
    instance.showinfo(file, new MyUtil.UtilBack() {
        @Override
        public void Success(String json) {
            Log.i("tag1", json + "2");
            Gson gson = new Gson();
            MyBean myBean = gson.fromJson(json, MyBean.class);
            String headPath = myBean.getHeadPath();
            edit.putString("headPath", headPath);
            edit.commit();
            mainText.setText(headPath);

        }

        @Override
        public void Fail(String json) {
        }
    });
}

}