刚进公司领导要求做个app头像上传功能,要求从相册或者相机拍照上传头像。网上参考了一些demo,整理了一下。
效果如图:
流程其实挺简单:对按钮进行监听,点击后弹出AlertDialog,对AlertDialog的中的三个View进行分别监听,点击相册则动态获取权限然后startActivityForResult启动相册,并重写onActivityResult方法用于回调接收图片。点击拍照也需要获取权限打开相机,拍完照后存放在系统指定路径,路径返回到onActivityResult方法,然后在进行获取,最后进行显示在我们的ImgView上。
直接上代码:
package com.example.bobo.getphotodemo;
import android.Manifest;
import android.app.Activity;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.graphics.Bitmap;
import android.graphics.drawable.ColorDrawable;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.MediaStore;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v4.content.FileProvider;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Display;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.Toolbar;
import com.zxy.tiny.Tiny;
import com.zxy.tiny.callback.FileWithBitmapCallback;
import java.io.File;
import java.io.IOException;
public class MainActivity extends AppCompatActivity implements View.OnClickListener{
//调取系统摄像头的请求码
private static final int MY_ADD_CASE_CALL_PHONE = 6;
//打开相册的请求码
private static final int MY_ADD_CASE_CALL_PHONE2 = 7;
private AlertDialog.Builder builder;
private AlertDialog dialog;
private LayoutInflater inflater;
private ImageView imageView;
private View layout;
private TextView takePhotoTV;
private TextView choosePhotoTV;
private TextView cancelTV;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
imageView = findViewById(R.id.image);
}
/*
初始化控件方法
*/
public void viewInit() {
builder = new AlertDialog.Builder(this);//创建对话框
inflater = getLayoutInflater();
layout = inflater.inflate(R.layout.dialog_select_photo, null);//获取自定义布局
builder.setView(layout);//设置对话框的布局
dialog = builder.create();//生成最终的对话框
dialog.show();//显示对话框
takePhotoTV = layout.findViewById(R.id.photograph);
choosePhotoTV = layout.findViewById(R.id.photo);
cancelTV = layout.findViewById(R.id.cancel);
//设置监听
takePhotoTV.setOnClickListener(this);
choosePhotoTV.setOnClickListener(this);
cancelTV.setOnClickListener(this);
}
/**
* 修改头像按钮执行方法
* @param view
*/
public void UpdatePhoto(View view) {
viewInit();
}
private void takePhoto() throws IOException {
Intent intent = new Intent();
intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
// 获取文件
File file = createFileIfNeed("UserIcon.png");
//拍照后原图回存入此路径下
Uri uri;
if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.M) {
uri = Uri.fromFile(file);
} else {
/**
* 7.0 调用系统相机拍照不再允许使用Uri方式,应该替换为FileProvider
* 并且这样可以解决MIUI系统上拍照返回size为0的情况
*/
uri = FileProvider.getUriForFile(this, "com.example.bobo.getphotodemo.fileprovider", file);
}
intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1);
startActivityForResult(intent, 1);
}
// 在sd卡中创建一保存图片(原图和缩略图共用的)文件夹
private File createFileIfNeed(String fileName) throws IOException {
String fileA = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).getAbsolutePath() + "/nbinpic";
File fileJA = new File(fileA);
if (!fileJA.exists()) {
fileJA.mkdirs();
}
File file = new File(fileA, fileName);
if (!file.exists()) {
file.createNewFile();
}
return file;
}
/**
* 打开相册
*/
private void choosePhoto() {
//这是打开系统默认的相册(就是你系统怎么分类,就怎么显示,首先展示分类列表)
Intent picture = new Intent(Intent.ACTION_PICK, MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(picture, 2);
}
/**
* 申请权限回调方法
*
* @param requestCode
* @param permissions
* @param grantResults
*/
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
if (requestCode == MY_ADD_CASE_CALL_PHONE) {
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
try {
takePhoto();
} catch (IOException e) {
e.printStackTrace();
}
} else {
Toast.makeText(this,"拒绝了你的请求",Toast.LENGTH_SHORT).show();
//"权限拒绝");
// TODO: 2018/12/4 这里可以给用户一个提示,请求权限被拒绝了
}
}
if (requestCode == MY_ADD_CASE_CALL_PHONE2) {
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
choosePhoto();
} else {
//"权限拒绝");
// TODO: 2018/12/4 这里可以给用户一个提示,请求权限被拒绝了
}
}
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
}
/**
* startActivityForResult执行后的回调方法,接收返回的图片
* @param requestCode
* @param resultCode
* @param data
*/
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == 1 && resultCode != Activity.RESULT_CANCELED) {
String state = Environment.getExternalStorageState();
if (!state.equals(Environment.MEDIA_MOUNTED)) return;
// 把原图显示到界面上
Tiny.FileCompressOptions options = new Tiny.FileCompressOptions();
Tiny.getInstance().source(readpic()).asFile().withOptions(options).compress(new FileWithBitmapCallback() {
@Override
public void callback(boolean isSuccess, Bitmap bitmap, String outfile, Throwable t) {
saveImageToServer(bitmap, outfile);//显示图片到imgView上
}
});
} else if (requestCode == 2 && resultCode == Activity.RESULT_OK
&& null != data) {
try {
Uri selectedImage = data.getData();//获取路径
Tiny.FileCompressOptions options = new Tiny.FileCompressOptions();
Tiny.getInstance().source(selectedImage).asFile().withOptions(options).compress(new FileWithBitmapCallback() {
@Override
public void callback(boolean isSuccess, Bitmap bitmap, String outfile, Throwable t) {
saveImageToServer(bitmap, outfile);
}
});
} catch (Exception e) {
//"上传失败");
}
}
}
/**
* 从保存原图的地址读取图片
*/
private String readpic() {
String filePath = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).getAbsolutePath() + "/nbinpic/" + "UserIcon.png";
return filePath;
}
private void saveImageToServer(final Bitmap bitmap, String outfile) {
File file = new File(outfile);
// TODO: 2018/12/4 这里就可以将图片文件 file 上传到服务器,上传成功后可以将bitmap设置给你对应的图片展示
imageView.setImageBitmap(bitmap);
}
@Override
public void onClick(View view) {
switch (view.getId()){
case R.id.photograph:
//"点击了照相";
// 6.0之后动态申请权限 摄像头调取权限,SD卡写入权限
//判断是否拥有权限,true则动态申请
if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED
&& ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(MainActivity.this,
new String[]{Manifest.permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE},
MY_ADD_CASE_CALL_PHONE);
} else {
try {
//有权限,去打开摄像头
takePhoto();
} catch (IOException e) {
e.printStackTrace();
}
}
dialog.dismiss();
break;
case R.id.photo:
//"点击了相册";
// 6.0之后动态申请权限 SD卡写入权限
if (ContextCompat.checkSelfPermission(MainActivity.this,
Manifest.permission.WRITE_EXTERNAL_STORAGE)
!= PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(MainActivity.this,
new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
MY_ADD_CASE_CALL_PHONE2);
} else {
//打开相册
choosePhoto();
}
dialog.dismiss();
break;
case R.id.cancel:
dialog.dismiss();//关闭对话框
break;
default:break;
}
}
}
github地址:头像上传