Android上传头像代码，相机，相册，裁剪

来源：互联网发布：seo是什么职位编辑：程序博客网时间：2024/06/11 01:17

activity_main.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical" >    <Button        android:id="@+id/btn_01"        android:layout_width="150dip"        android:layout_height="50dip"        android:text="相册" />    <Button        android:id="@+id/btn_02"        android:layout_width="150dip"        android:layout_height="50dip"        android:text="拍照" />    <ImageView        android:id="@+id/imageID"        android:layout_width="match_parent"        android:layout_height="match_parent" /></LinearLayout>

MainActivity.java

package com.example.uploadhead;import java.io.ByteArrayInputStream;import java.io.ByteArrayOutputStream;import java.io.File;import java.io.InputStream;import java.text.SimpleDateFormat;import java.util.Date;import android.net.Uri;import android.os.Bundle;import android.os.Environment;import android.provider.MediaStore;import android.app.Activity;import android.content.Intent;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.view.View;import android.widget.Button;import android.widget.ImageView;public class MainActivity extends Activity {    public static final int NONE = 0;    public static final int PHOTO_CAMERA = 1;// 相机拍照    public static final int PHOTO_COMPILE = 2; // 编辑图片    public static final int PHOTO_RESOULT = 3;// 结果    ImageView headImageView = null;    Button photo_button = null;    Button camera_button = null;    private String ImageName;    public static String getStringToday() {        Date currentTime = new Date();        SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmss");        String dateString = formatter.format(currentTime);        return dateString;    }            @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);                headImageView = (ImageView) findViewById(R.id.imageID);//找到要填充的imageView                photo_button = (Button) findViewById(R.id.btn_01);// 相册按钮        camera_button = (Button) findViewById(R.id.btn_02);// 拍照按钮                //开启系统的相册        photo_button.setOnClickListener(new View.OnClickListener() {            public void onClick(View v) {                // 设置调用系统相册的意图(隐式意图)                Intent intent = new Intent();                            //设置值活动//android.intent.action.PICK                intent.setAction(Intent.ACTION_PICK);                                //设置类型和数据                intent.setDataAndType(                        MediaStore.Images.Media.EXTERNAL_CONTENT_URI,                        "image/*");                // 开启系统的相册                startActivityForResult(intent, PHOTO_COMPILE);            }        });                                //开启系统摄像头        camera_button.setOnClickListener(new View.OnClickListener() {            public void onClick(View v) {                //设置图片的名称                ImageName = "/" + getStringToday() + ".jpg";                // 设置调用系统摄像头的意图(隐式意图)                Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);                                //设置照片的输出路径和文件名                                 File file=    new File(Environment.getExternalStorageDirectory(), ImageName);                                 intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(file));                //开启摄像头                startActivityForResult(intent, PHOTO_CAMERA);            }        });    }    // 调用startActivityResult，返回之后的回调函数    @Override    protected void onActivityResult(int requestCode, int resultCode, Intent data) {        if (resultCode == NONE)            return;                // 通过照相机拍照的图片出理        if (requestCode == PHOTO_CAMERA) {            // 设置文件保存路径这里放在跟目录下            File picture = new File(Environment.getExternalStorageDirectory()                    + ImageName);            //裁剪图片            startPhotoZoom(Uri.fromFile(picture));        }        if (data == null)            return;        // 读取相册裁剪图片        if (requestCode == PHOTO_COMPILE) {            //裁剪图片            startPhotoZoom(data.getData());        }                        // 裁剪照片的处理结果        if (requestCode == PHOTO_RESOULT) {                        Bundle extras = data.getExtras();                    if (extras != null) {                                Bitmap photo = extras.getParcelable("data");                        ByteArrayOutputStream stream = new ByteArrayOutputStream();                photo.compress(Bitmap.CompressFormat.JPEG, 75, stream);// (0 -                                                                        // 100)压缩文件                            //设置图片显示内容                headImageView.setImageBitmap(photo);            }        }        super.onActivityResult(requestCode, resultCode, data);    }            /**调用系统的裁剪图片功能     *      * @param uri图片的路径     */    public void startPhotoZoom(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", 64);        intent.putExtra("outputY", 64);        intent.putExtra("return-data", true);                startActivityForResult(intent, PHOTO_RESOULT);    }}

0 0