团队冲刺第二天-KeepRunningAPP

男儿欲遂平生志，五经勤向窗前读。这篇文章主要讲述团队冲刺第二天-KeepRunningAPP相关的知识，希望能为你提供帮助。
摘要：今天继续完成任务，先做了注册功能，具体包括用户信息的存储，头像（包括本地选取照片和拍照）、账户名、密码，还有账户名的查重。在做的时候遇到了一下问题，主要是在真机打开相机会出现闪退，通过在网上查找相关资料得以解决。
解决方法：通过关闭严格模式绕过fileprovider 权限的控制的方法，绕过FileProvider在应用间共享文件的限制，具体原因网上有，就不详解了

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【团队冲刺第二天-KeepRunningAPP】

一、注册
主要代码及效果图

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package com.register; import android.content.DialogInterface; import android.content.Intent; import android.graphics.Bitmap; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.os.Environment; import android.os.StrictMode; import android.provider.MediaStore; import android.text.TextUtils; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.ImageButton; import android.widget.ImageView; import android.widget.Toast; import androidx.appcompat.app.AlertDialog; import androidx.appcompat.app.AppCompatActivity; import com.login.LoginActivity; import com.example.keeprunning1.R; import com.user.User; import com.user.UserOperator; import java.io.File; import java.util.List; public class RegisterActivity extends AppCompatActivity implements View.OnClickListener { //注册信息 private ImageButton ibNavigationBack; private EditText etRegisterUsername; private EditText etRegisterPwdInput; private EditText etRegisterPwdsInput; private Button btRegisterSubmit; //头像 private Button chooseFromAlbum; private ImageView userPicture; protected static final int CHOOSE_PICTURE = 0; protected static final int TAKE_PICTURE = 1; private static final int CROP_SMALL_PICTURE = 2; protected static Uri tempUri; private String userpicture = ""; //提交，验证 private List< User> userList; private UserOperator muserOperator; private int wxat; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.register); muserOperator=new UserOperator(this); init(); //取消严格模式FileProvider if (Build.VERSION.SDK_INT > = Build.VERSION_CODES.N) { StrictMode.VmPolicy.Builder builder = new StrictMode.VmPolicy.Builder(); StrictMode.setVmPolicy( builder.build() ); } }private void init() { ibNavigationBack = (ImageButton) findViewById(R.id.ib_navigation_back); userPicture = (ImageView) findViewById(R.id.user_picture); chooseFromAlbum = (Button) findViewById(R.id.choose_from_album); etRegisterUsername = (EditText) findViewById(R.id.et_register_username); etRegisterPwdInput = (EditText) findViewById(R.id.et_register_pwd_input); etRegisterPwdsInput = (EditText) findViewById(R.id.et_register_pwds_input); btRegisterSubmit = (Button) findViewById(R.id.bt_register_submit); //按钮点击事件，返回登录界面，头像选择，确定注册 ibNavigationBack.setOnClickListener(this); chooseFromAlbum.setOnClickListener(this); btRegisterSubmit.setOnClickListener(this); }@Override public void onClick(View v) { switch (v.getId()) { case R.id.ib_navigation_back: Intent intent = new Intent(this, LoginActivity.class); startActivity(intent); finish(); break; case R.id.choose_from_album: chosePicture(); break; case R.id.bt_register_submit: String username = etRegisterUsername.getText().toString().trim(); String psw = etRegisterPwdInput.getText().toString().trim(); String psw1 = etRegisterPwdsInput.getText().toString().trim(); if (!psw.equals(psw1)) { Toast.makeText(this, "两次密码不一致", Toast.LENGTH_SHORT).show(); } //判断不为空且不是空串 else if (TextUtils.isEmpty(username) || TextUtils.isEmpty(psw) || TextUtils.isEmpty(psw1)) { Toast.makeText(this, "存请将信息填写完整", Toast.LENGTH_SHORT).show(); } else { User bean = muserOperator.isExit(username); if (bean!= null) { Toast.makeText(this, "该用户已存在，请重新注册", Toast.LENGTH_SHORT).show(); } else { User beans = new User(username, psw, userpicture, "0"); muserOperator.addUser(beans); Intent intent2 = new Intent(this, LoginActivity.class); Bundle bundle=new Bundle(); bundle.putString("username",username); bundle.putString("password",psw); intent2.putExtras(bundle); setResult(0x11,intent2); finish(); Toast.makeText(this,"注册成功", Toast.LENGTH_SHORT).show(); } } break; }}/* 修改头像对话框 */ public void chosePicture() { AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle("设置头像"); String[] items = {"选择本地照片", "拍照"}; builder.setNegativeButton("取消", null); builder.setItems(items, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { switch (which) { case CHOOSE_PICTURE://从本地选择 Intent openAlbumIntent = new Intent( Intent.ACTION_GET_CONTENT); openAlbumIntent.setType("image/"); startActivityForResult(openAlbumIntent, CHOOSE_PICTURE); break; case TAKE_PICTURE: // 拍照 Intent openCameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); tempUri = Uri.fromFile(new File(Environment.getExternalStorageDirectory(), "image.jpg")); // 指定照片保存路径（SD卡），image.jpg为一个临时文件，每次拍照后这个图片都会被替换 openCameraIntent.putExtra(MediaStore.EXTRA_OUTPUT, tempUri); startActivityForResult(openCameraIntent, TAKE_PICTURE); break; } } }); builder.create().show(); }@Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (resultCode == RESULT_OK) { // 如果返回码是可以用的 switch (requestCode) { case TAKE_PICTURE: startPhotoZoom(tempUri); // 开始对图片进行裁剪处理 break; case CHOOSE_PICTURE: startPhotoZoom(data.getData()); // 开始对图片进行裁剪处理 break; case CROP_SMALL_PICTURE: if (data != null) { setImageToView(data); // 让刚才选择裁剪得到的图片显示在界面上 } break; } } }/** * 裁剪图片方法实现 * * @param uri */ protected void startPhotoZoom(Uri uri) { if (uri == null) { Log.i("tag", "The uri is not exist."); } tempUri = uri; Intent intent = new Intent("com.android.camera.action.CROP"); intent.setDataAndType(uri, "image/*"); // 设置裁剪 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", 150); intent.putExtra("outputY", 150); intent.putExtra("return-data", true); startActivityForResult(intent, CROP_SMALL_PICTURE); }/** * 保存裁剪之后的图片数据 * @param * @param data */ protected void setImageToView(Intent data) { Bundle extras = data.getExtras(); if (extras != null) { Bitmap photo = extras.getParcelable("data"); photo = Utils.toRoundBitmap(photo, tempUri); // 这个时候的图片已经被处理成圆形的了 userPicture.setImageBitmap(photo); uploadPic(photo); } }private void uploadPic(Bitmap bitmap) { // 上传至服务器 // ... 可以在这里把Bitmap转换成file，然后得到file的url，做文件上传操作 // 注意这里得到的图片已经是圆形图片了 // bitmap是没有做圆形处理的，但已经被裁剪了String imagePath = Utils.savePhoto(bitmap, Environment .getExternalStorageDirectory().getAbsolutePath(), String .valueOf(System.currentTimeMillis())); Log.e("imagePath", imagePath + ""); String m = "666"; Log.d("volley", m); if (imagePath != null) { // 拿着imagePath上传了 userpicture=imagePath; } } }

RegisterActivity.java