Android实战简易教程-第二十八枪(基于Bmob实现头像图片设置和网络上传功能!)
来源:互联网 发布:httpclient java 编辑:程序博客网 时间:2024/05/17 03:48
上一篇我们介绍了如何由uri转换成String ,本文就用到了上篇文章的方法,下面我们介绍一下如何设置头像后将头像图片上传到云端的方法,本文基于Bmob提供的服务。
看一下代码:(布局文件和前两篇文章依旧一样,不再提供)
- package com.example.userphoto;
-
- import java.io.File;
-
- import android.app.Activity;
- import android.content.Intent;
- import android.database.Cursor;
- import android.graphics.Bitmap;
- import android.graphics.drawable.BitmapDrawable;
- import android.graphics.drawable.Drawable;
- import android.net.Uri;
- import android.os.Bundle;
- import android.os.Environment;
- import android.provider.MediaStore;
- import android.view.View;
- import android.view.View.OnClickListener;
- import android.widget.Button;
- import android.widget.ImageView;
- import android.widget.Toast;
- import cn.bmob.v3.Bmob;
- import cn.bmob.v3.datatype.BmobFile;
- import cn.bmob.v3.listener.UploadFileListener;
-
- public class MainActivity extends Activity implements OnClickListener {
- private static final int IMAGE_REQUEST_CODE = 0;
- private static final int CAMERA_REQUEST_CODE = 1;
- private static final int RESIZE_REQUEST_CODE = 2;
-
- private static final String IMAGE_FILE_NAME = "header.jpg";
-
- private ImageView mImageHeader;
-
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
-
- Bmob.initialize(this, "8f3ffb2658d8a3366a70a0b0ca0b71b2");
- setupViews();
- }
-
- private void setupViews() {
- mImageHeader = (ImageView) findViewById(R.id.image_header);
- final Button selectBtn1 = (Button) findViewById(R.id.btn_selectimage);
- final Button selectBtn2 = (Button) findViewById(R.id.btn_takephoto);
- selectBtn1.setOnClickListener(this);
- selectBtn2.setOnClickListener(this);
- }
-
- @Override
- public void onClick(View v) {
- switch (v.getId()) {
- case R.id.btn_selectimage:
- Intent galleryIntent = new Intent(Intent.ACTION_GET_CONTENT);
- galleryIntent.addCategory(Intent.CATEGORY_OPENABLE);
- galleryIntent.setType("image/*");
- startActivityForResult(galleryIntent, IMAGE_REQUEST_CODE);
- break;
- case R.id.btn_takephoto:
- if (isSdcardExisting()) {
- Intent cameraIntent = new Intent(
- "android.media.action.IMAGE_CAPTURE");
- cameraIntent.putExtra(MediaStore.EXTRA_OUTPUT, getImageUri());
- cameraIntent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 0);
- startActivityForResult(cameraIntent, CAMERA_REQUEST_CODE);
- } else {
- Toast.makeText(v.getContext(), "请插入sd卡", Toast.LENGTH_LONG)
- .show();
- }
- break;
- }
- }
-
- @Override
- protected void onActivityResult(int requestCode, int resultCode, Intent data) {
- if (resultCode != RESULT_OK) {
- return;
- } else {
- switch (requestCode) {
- case IMAGE_REQUEST_CODE:
- Uri originalUri=data.getData();
- resizeImage(originalUri);
-
- String []imgs1={MediaStore.Images.Media.DATA};
- Cursor cursor=this.managedQuery(originalUri, imgs1, null, null, null);
- int index=cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
- cursor.moveToFirst();
- String img_url=cursor.getString(index);
- upload(img_url);
-
- break;
- case CAMERA_REQUEST_CODE:
- if (isSdcardExisting()) {
- resizeImage(getImageUri());
- String []imgs={MediaStore.Images.Media.DATA};
- Cursor cursor1=this.managedQuery(getImageUri(), imgs, null, null, null);
- int index1=cursor1.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
- cursor1.moveToFirst();
- String img_url1=cursor1.getString(index1);
- upload(img_url1);
-
-
-
-
- } else {
- Toast.makeText(MainActivity.this, "未找到存储卡,无法存储照片!",
- Toast.LENGTH_LONG).show();
- }
- break;
-
- case RESIZE_REQUEST_CODE:
- if (data != null) {
- showResizeImage(data);
- }
- break;
- }
- }
-
- super.onActivityResult(requestCode, resultCode, data);
- }
- private void showToast(String msg){
- Toast.makeText(this, msg, Toast.LENGTH_SHORT).show();
- }
-
- private boolean isSdcardExisting() {
- final String state = Environment.getExternalStorageState();
- if (state.equals(Environment.MEDIA_MOUNTED)) {
- return true;
- } else {
- return false;
- }
- }
-
- public void resizeImage(Uri uri) {
- Intent intent = new Intent("com.android.camera.action.CROP");
- intent.setDataAndType(uri, "image/*");
- intent.putExtra("crop", "true");
- intent.putExtra("aspectX", 1);
- intent.putExtra("aspectY", 1);
- intent.putExtra("outputX", 150);
- intent.putExtra("outputY", 150);
- intent.putExtra("return-data", true);
- startActivityForResult(intent, RESIZE_REQUEST_CODE);
- }
-
- private void showResizeImage(Intent data) {
- Bundle extras = data.getExtras();
- if (extras != null) {
- Bitmap photo = extras.getParcelable("data");
- Drawable drawable = new BitmapDrawable(photo);
- mImageHeader.setImageDrawable(drawable);
- }
- }
-
- private Uri getImageUri() {
- return Uri.fromFile(new File(Environment.getExternalStorageDirectory(),
- IMAGE_FILE_NAME));
- }
-
- /**
- * 将图片上传
- * @param imgpath
- */
- private void upload(String imgpath){
- final BmobFile icon = new BmobFile(new File(imgpath));
- icon.upload(this, new UploadFileListener() {
-
- @Override
- public void onSuccess() {
-
- Person person = new Person();
- person.setIcon(icon);
- person.save(MainActivity.this);
- showToast("图片上传成功");
- }
-
- @Override
- public void onProgress(Integer arg0) {
-
-
- }
-
- @Override
- public void onFailure(int arg0, String arg1) {
-
- showToast("图片上传失败:"+arg1);
- }
- });
- }
- }
javabean类:- package com.example.userphoto;
-
- import cn.bmob.v3.BmobObject;
- import cn.bmob.v3.datatype.BmobFile;
-
- public class Person extends BmobObject {
- private BmobFile icon;
-
- public BmobFile getIcon() {
- return icon;
- }
-
- public void setIcon(BmobFile icon) {
- this.icon = icon;
- }
-
- }
运行实例,又再次出现问题:
还是权限问题:
然后再运行:
提示图片上传成功,我们看一下后台:
OK,图片已经上传成功喽!是不是很吊?
本文转载自:http://blog.csdn.net/yayun0516/article/details/47068739?locationNum=1
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