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Merge pull request #1621 from Walk-With-Wind/master
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#7 #342 提交实验7 通过拍照或相册获取图片实现用户头像更换
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@zengsn
zengsn authored Apr 26, 2019
2 parents 3bc91db + b5ee811 commit b7a4fee
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24 changes: 22 additions & 2 deletions students/soft1714080902205/app/src/main/AndroidManifest.xml
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Expand Up @@ -4,6 +4,11 @@
<!-- 添加网络访问权限 -->
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
<!-- 声明访问sd卡权限 -->
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<!-- 声明照相机权限 -->
<uses-permission android:name="android.permission.CAMERA" />

<application
android:allowBackup="true"
Expand All @@ -13,7 +18,13 @@
android:supportsRtl="true"
android:theme="@style/AppTheme.NoActionBar"
android:usesCleartextTraffic="true">
<activity android:name=".getimage.ImageShow"></activity>
<activity android:name=".person.HeadActivity"></activity>
<activity android:name=".photo.PhoneActivity" />
<activity android:name=".bookstore.BookWebActivity" />
<activity android:name=".note.Write_Main" />
<activity android:name=".note.AddNoteActivity" />
<activity android:name=".note.UpdateOrReadActivity" />
<activity android:name=".getimage.ImageShow" />
<activity android:name=".booksinfo.BookMian" />
<activity android:name=".NewActivity" />
<activity android:name=".Soft1714080902205Activity_bottom" />
Expand All @@ -36,7 +47,16 @@
</activity> <!-- 应用自身bug，添加解决 -->
<uses-library
android:name="org.apache.http.legacy"
android:required="false" />
android:required="false" /> <!-- 注册照相机功能相关内容 -->
<provider
android:name="android.support.v4.content.FileProvider"
android:authorities="edu.hzuapps.androidlabs.soft1714080902205.person.fileprovider"
android:grantUriPermissions="true"
android:exported="false">
<meta-data
android:name="android.support.FILE_PROVIDER_PATHS"
android:resource="@xml/file_paths" />
</provider>
</application>

</manifest>
260 changes: 260 additions & 0 deletions ...2205/app/src/main/java/edu/hzuapps/androidlabs/soft1714080902205/person/HeadActivity.java
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package edu.hzuapps.androidlabs.soft1714080902205.person;


import android.Manifest;
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.support.annotation.NonNull;
import android.support.v4.content.FileProvider;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.List;

import edu.hzuapps.androidlabs.soft1714080902205.R;
import edu.hzuapps.androidlabs.soft1714080902205.Soft1714080902205Activity;
import pub.devrel.easypermissions.AppSettingsDialog;
import pub.devrel.easypermissions.EasyPermissions;

public class HeadActivity extends AppCompatActivity implements EasyPermissions.PermissionCallbacks{

private Context mContext;
private AlertDialog profilePictureDialog;
private static final String PERMISSION_CAMERA = Manifest.permission.CAMERA;
private static final String PERMISSION_WRITE = Manifest.permission.WRITE_EXTERNAL_STORAGE;
private static final int REQUEST_PERMISSION_CAMERA = 0x001;
private static final int REQUEST_PERMISSION_WRITE = 0x002;
private static final int CROP_REQUEST_CODE = 0x003;

private ImageView ivAvatar;

/**
* 文件相关
*/
private File captureFile;
private File rootFile;
private File cropFile;

private String path;
private String filepath;


@Override
protected void onCreate(Bundle savedInstanceState) {
setContentView(R.layout.head_activity);
super.onCreate(savedInstanceState);
ivAvatar = findViewById(R.id.iv_avatar);

//加载Activity时读取sdcard的图片
path=Environment.getExternalStorageDirectory().getAbsolutePath() + "/TakePhotoPic";
filepath=path+"/avatar.jpg";
File file=new File(filepath);
if(file.exists()){
Bitmap bm=BitmapFactory.decodeFile(filepath);
ivAvatar.setImageBitmap(bm);
}else{
Toast.makeText(HeadActivity.this,"未成功读取图片",Toast.LENGTH_SHORT).show();
}


mContext = this;



rootFile = new File(MyConstant.PIC_PATH);
if (!rootFile.exists()) {
rootFile.mkdirs();
}

Button btn_return=(Button)findViewById(R.id.btn_return);
btn_return.setOnClickListener(new View.OnClickListener(){

public void onClick(View v) {
Intent intent = new Intent(HeadActivity.this, Soft1714080902205Activity.class);
startActivity(intent);
}
});
}

public void btnClick(View view) {

if (profilePictureDialog == null) {
@SuppressLint("InflateParams") View rootView = LayoutInflater.from(this).inflate(R.layout.item_profile_picture, null);
AlertDialog.Builder builder = new AlertDialog.Builder(this);
rootView.findViewById(R.id.tv_take_photo).setOnClickListener(onTakePhotoListener);
rootView.findViewById(R.id.tv_choose_photo).setOnClickListener(onChoosePhotoListener);
builder.setView(rootView);
profilePictureDialog = builder.create();
profilePictureDialog.show();
} else {
profilePictureDialog.show();
}
}

private void dismissProfilePictureDialog() {
if (profilePictureDialog != null && profilePictureDialog.isShowing()) {
profilePictureDialog.dismiss();
}
}

private View.OnClickListener onTakePhotoListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
dismissProfilePictureDialog();
if (EasyPermissions.hasPermissions(mContext, PERMISSION_CAMERA, PERMISSION_WRITE)) {
takePhoto();
} else {
EasyPermissions.requestPermissions(HeadActivity.this, "need camera permission", REQUEST_PERMISSION_CAMERA, PERMISSION_CAMERA, PERMISSION_WRITE);
}
}
};

//拍照
private void takePhoto() {
//用于保存调用相机拍照后所生成的文件
if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
return;
}
captureFile = new File(rootFile, "temp.jpg");
//跳转到调用系统相机
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
//判断版本 如果在Android7.0以上,使用FileProvider获取Uri
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
intent.setFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
Uri contentUri = FileProvider.getUriForFile(HeadActivity.this, "edu.hzuapps.androidlabs.soft1714080902205.person.fileprovider",captureFile);
intent.putExtra(MediaStore.EXTRA_OUTPUT, contentUri);
} else {
//否则使用Uri.fromFile(file)方法获取Uri
intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(captureFile));
}
startActivityForResult(intent, REQUEST_PERMISSION_CAMERA);
}

private View.OnClickListener onChoosePhotoListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
dismissProfilePictureDialog();
if (EasyPermissions.hasPermissions(mContext, PERMISSION_WRITE)) {
choosePhoto();
} else {
EasyPermissions.requestPermissions(HeadActivity.this, "need camera permission", REQUEST_PERMISSION_WRITE, PERMISSION_WRITE);
}
}
};

@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
EasyPermissions.onRequestPermissionsResult(requestCode, permissions, grantResults, this);
}


//从相册选择
private void choosePhoto() {
Intent photoPickerIntent = new Intent(Intent.ACTION_PICK);
photoPickerIntent.setType("image/*");
startActivityForResult(photoPickerIntent, REQUEST_PERMISSION_WRITE);
}

@Override
public void onPermissionsGranted(int requestCode, @NonNull List<String> perms) {
if (requestCode == REQUEST_PERMISSION_CAMERA) {
takePhoto();
} else if (requestCode == REQUEST_PERMISSION_WRITE) {
choosePhoto();
}
}

/**
* 裁剪图片
*/
private void cropPhoto(Uri uri) {
cropFile = new File(rootFile, "avatar.jpg");
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", 300);
intent.putExtra("outputY", 300);
intent.putExtra("return-data", false);
intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(cropFile));
intent.putExtra("outputFormat", Bitmap.CompressFormat.PNG.toString());
intent.putExtra("noFaceDetection", true);
intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
startActivityForResult(intent, CROP_REQUEST_CODE);
}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (resultCode == RESULT_OK) {
switch (requestCode) {
case REQUEST_PERMISSION_CAMERA:
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
Uri contentUri = FileProvider.getUriForFile(HeadActivity.this, "edu.hzuapps.androidlabs.soft1714080902205.person.fileprovider",captureFile);
cropPhoto(contentUri);
} else {
cropPhoto(Uri.fromFile(captureFile));
}
break;
case REQUEST_PERMISSION_WRITE:
cropPhoto(data.getData());
break;
case CROP_REQUEST_CODE:
saveImage(cropFile.getAbsolutePath());
ivAvatar.setImageBitmap(BitmapFactory.decodeFile(cropFile.getAbsolutePath()));
break;
default:
break;
}
}
super.onActivityResult(requestCode, resultCode, data);
}


/**
* @param path
* @return
*/
public String saveImage(String path) {
if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
return null;
}
Bitmap bitmap = BitmapFactory.decodeFile(path);
try {
FileOutputStream fos = new FileOutputStream(cropFile);
bitmap.compress(Bitmap.CompressFormat.JPEG, 100, fos);
fos.flush();
fos.close();
return cropFile.getAbsolutePath();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}


@Override
public void onPermissionsDenied(int requestCode, @NonNull List<String> perms) {
if (EasyPermissions.somePermissionPermanentlyDenied(this, perms)) {
new AppSettingsDialog.Builder(this).build().show();
}
}
}
9 changes: 9 additions & 0 deletions ...902205/app/src/main/java/edu/hzuapps/androidlabs/soft1714080902205/person/MyConstant.java
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package edu.hzuapps.androidlabs.soft1714080902205.person;

import android.os.Environment;

public class MyConstant {

public static final String PIC_PATH = Environment.getExternalStorageDirectory().getAbsolutePath() + "/TakePhotoPic";
}

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