用户增加img属性，用来在用户界面实现头像选取和摄像，并同步到Study页面上

build.gradle.kts

@@ -51,5 +51,10 @@ dependencies {
     implementation ("com.squareup.retrofit2:retrofit:2.9.0")
     implementation ("com.squareup.retrofit2:converter-gson:2.9.0")
     implementation("org.greenrobot:eventbus:3.3.1")
+    implementation ("io.github.lucksiege:pictureselector:v3.11.2")
+    implementation ("io.github.lucksiege:compress:v3.11.2")
+    implementation ("io.github.lucksiege:ucrop:v3.11.2")
+    implementation ("io.github.lucksiege:camerax:v3.11.2")
+    implementation ("com.github.bumptech.glide:glide:4.15.1")
 
 }

src/main/AndroidManifest.xml

@@ -1,7 +1,34 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.WRITE_MEDIA_STORAGE" />
+    <uses-permission android:name="android.permission.WRITE_SETTINGS" />
+    <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
+    <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+    <uses-permission android:name="android.permission.CAMERA" />
+    <uses-permission android:name="android.permission.VIBRATE" />
+
+    <uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
+    <uses-permission android:name="android.permission.READ_MEDIA_AUDIO" />
+    <uses-permission android:name="android.permission.READ_MEDIA_VIDEO" />
+
     <uses-permission android:name="android.permission.INTERNET" />
+    <queries package="${applicationId}">
+        <intent>
+            <action android:name="android.media.action.IMAGE_CAPTURE">
+
+            </action>
+        </intent>
+        <intent>
+            <action android:name="android.media.action.ACTION_VIDEO_CAPTURE">
+
+            </action>
+        </intent>
+    </queries>
 
     <application
         android:allowBackup="true"

src/main/java/com/example/liyueling_final/ChangePasswordActivity.java

@@ -63,11 +63,11 @@ public class ChangePasswordActivity extends AppCompatActivity {
                     return;
                 }
 
-                DBTools dbTools = new DBTools(ChangePasswordActivity.this,"test",null,1);//数据库的名字
+                DBTools dbTools = new DBTools(ChangePasswordActivity.this,"tests",null,1);//数据库的名字
                 SQLiteDatabase sqLiteDatabase = dbTools.getWritableDatabase();
                 ContentValues contentValues = new ContentValues();
                 contentValues.put("password",userPassword);
-                sqLiteDatabase.update("user", contentValues,
+                sqLiteDatabase.update("users", contentValues,
                         "phone=?", new String[]{phoneNumber});
 
                 Intent intent = new Intent(ChangePasswordActivity.this, LoginMainActivity.class);

src/main/java/com/example/liyueling_final/DBTools.java

@@ -15,7 +15,7 @@ public class DBTools extends SQLiteOpenHelper {
     @Override
     public void onCreate(SQLiteDatabase db) {
         //创建数据库和表
-        db.execSQL("create table user(id integer primary key autoincrement,phone varchar(20),password varchar(20) )");
+        db.execSQL("create table users(id integer primary key autoincrement,phone varchar(20),password varchar(20),img varchar(50))");
 
     }
 

src/main/java/com/example/liyueling_final/EnrollActivity.java

@@ -71,12 +71,13 @@ public class EnrollActivity extends AppCompatActivity {
                     return;
                 }
 
-                DBTools dbTools = new DBTools(EnrollActivity.this,"test",null,1);//数据库的名字
+                DBTools dbTools = new DBTools(EnrollActivity.this,"tests",null,1);//数据库的名字
                 SQLiteDatabase sqLiteDatabase = dbTools.getWritableDatabase();
                 ContentValues contentValues = new ContentValues();
                 contentValues.put("phone",phoneNumber);
                 contentValues.put("password",userPassword);
-                sqLiteDatabase.insert("user",null,contentValues);
+                contentValues.put("img", "");
+                sqLiteDatabase.insert("users",null,contentValues);
 
                 Intent intent = new Intent(EnrollActivity.this, LoginMainActivity.class);
                 startActivity(intent);

src/main/java/com/example/liyueling_final/GlideEngine.java

@@ -0,0 +1,116 @@
+package com.example.liyueling_final;
+
+
+
+
+import android.content.Context;
+import android.widget.ImageView;
+
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.resource.bitmap.CenterCrop;
+import com.bumptech.glide.load.resource.bitmap.RoundedCorners;
+import com.luck.picture.lib.engine.ImageEngine;
+import com.luck.picture.lib.utils.ActivityCompatHelper;
+
+
+public class GlideEngine implements ImageEngine {
+
+    /**
+     * 加载图片
+     *
+     * @param context   上下文
+     * @param url       资源url
+     * @param imageView 图片承载控件
+     */
+    @Override
+    public void loadImage(Context context, String url, ImageView imageView) {
+        if (!ActivityCompatHelper.assertValidRequest(context)) {
+            return;
+        }
+        Glide.with(context)
+                .load(url)
+                .into(imageView);
+    }
+
+    @Override
+    public void loadImage(Context context, ImageView imageView, String url, int maxWidth, int maxHeight) {
+        if (!ActivityCompatHelper.assertValidRequest(context)) {
+            return;
+        }
+        Glide.with(context)
+                .load(url)
+                .override(maxWidth, maxHeight)
+                .into(imageView);
+    }
+
+    /**
+     * 加载相册目录封面
+     *
+     * @param context   上下文
+     * @param url       图片路径
+     * @param imageView 承载图片ImageView
+     */
+    @Override
+    public void loadAlbumCover(Context context, String url, ImageView imageView) {
+        if (!ActivityCompatHelper.assertValidRequest(context)) {
+            return;
+        }
+        Glide.with(context)
+                .asBitmap()
+                .load(url)
+                .override(180, 180)
+                .sizeMultiplier(0.5f)
+                .transform(new CenterCrop(), new RoundedCorners(8))
+                .placeholder(R.drawable.ic_launcher_background)
+                .into(imageView);
+    }
+
+
+    /**
+     * 加载图片列表图片
+     *
+     * @param context   上下文
+     * @param url       图片路径
+     * @param imageView 承载图片ImageView
+     */
+    @Override
+    public void loadGridImage(Context context, String url, ImageView imageView) {
+        if (!ActivityCompatHelper.assertValidRequest(context)) {
+            return;
+        }
+        Glide.with(context)
+                .load(url)
+                .override(200, 200)
+                .centerCrop()
+                .placeholder(R.drawable.ic_launcher_background)
+                .into(imageView);
+    }
+
+    @Override
+    public void pauseRequests(Context context) {
+        if (!ActivityCompatHelper.assertValidRequest(context)) {
+            return;
+        }
+        Glide.with(context).pauseRequests();
+    }
+
+    @Override
+    public void resumeRequests(Context context) {
+        if (!ActivityCompatHelper.assertValidRequest(context)) {
+            return;
+        }
+        Glide.with(context).resumeRequests();
+    }
+
+    private GlideEngine() {
+    }
+
+    private static final class InstanceHolder {
+        static final GlideEngine instance = new GlideEngine();
+    }
+
+    public static GlideEngine createGlideEngine() {
+        return InstanceHolder.instance;
+    }
+}
+

src/main/java/com/example/liyueling_final/LoginMainActivity.java

@@ -57,7 +57,7 @@ public class LoginMainActivity extends AppCompatActivity {
         animator2.setDuration(1000);
         animator2.start();
 
-        DBTools dbTools = new DBTools(LoginMainActivity.this, "test", null, 1);//数据库的名字
+        DBTools dbTools = new DBTools(LoginMainActivity.this, "tests", null, 1);//数据库的名字
         SQLiteDatabase sqLiteDatabase = dbTools.getWritableDatabase();
 
 
@@ -81,7 +81,7 @@ public class LoginMainActivity extends AppCompatActivity {
                     return;
                 }
 
-                Cursor cursor = sqLiteDatabase.query("user", new String[]{"id", "phone", "password"},
+                Cursor cursor = sqLiteDatabase.query("users", new String[]{"id", "phone", "password","img"},
                         "phone=?", new String[]{phoneNumber}, null, null, null);
                 while (cursor.moveToNext()) {
                     if (cursor != null && cursor.getString(cursor.getColumnIndex("password")).equals(userPassword)) {

src/main/java/com/example/liyueling_final/MainActivity.java

@@ -31,7 +31,7 @@ public class MainActivity extends AppCompatActivity {
                 .add(R.id.constraintLayoutmainmajor,studyFragment)
                 .commit();
         getSupportFragmentManager().beginTransaction()
-                .add(R.id.constraintLayoutmainmajor,userFragment)
+                .add(R.id.constraintLayoutmainmajor,userFragment, "user_fragment_tag")
                 .commit();
         getSupportFragmentManager().beginTransaction()
                 .add(R.id.constraintLayoutmainmajor,typeFragment)

src/main/java/com/example/liyueling_final/StudyFragment.java

@@ -1,17 +1,26 @@
 package com.example.liyueling_final;
 
 import android.content.Intent;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.net.Uri;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ImageView;
 import android.widget.TextView;
 
 import androidx.constraintlayout.widget.ConstraintLayout;
 import androidx.fragment.app.Fragment;
 
+import com.bumptech.glide.Glide;
+
+import java.io.File;
+
 public class StudyFragment extends Fragment {
     TextView textView;
+    ImageView imageView;
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
@@ -21,6 +30,28 @@ public class StudyFragment extends Fragment {
         String username = getArguments().getString("username");
         textView = view.findViewById(R.id.username);
         textView.setText(username);
+
+        DBTools dbTools = new DBTools(getActivity(), "tests", null, 1);//数据库的名字
+        SQLiteDatabase sqLiteDatabase = dbTools.getWritableDatabase();
+        Cursor cursor = sqLiteDatabase.query("users", new String[]{"id", "phone", "password","img"},
+                "phone=?", new String[]{username}, null, null, null);
+        while (cursor.moveToNext()) {
+            int imgIndex = cursor.getColumnIndex("img");
+            String img = cursor.getString(imgIndex);
+            if (img != null && !img.isEmpty()) {
+                imageView = view.findViewById(R.id.pphoto);
+                Glide.with(getActivity())
+                        .load(img)
+                        .into(imageView);
+                UserFragment userFragment = (UserFragment) getActivity().getSupportFragmentManager().findFragmentByTag("user_fragment_tag");
+                if (userFragment != null) {
+                    userFragment.updateUI(username,img);
+                }
+            }
+
+        }
+
+
         constraintLayout.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {

src/main/java/com/example/liyueling_final/UserFragment.java

@@ -1,25 +1,98 @@
 package com.example.liyueling_final;
 
+import android.content.ContentValues;
 import android.content.Intent;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.net.Uri;
 import android.os.Bundle;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ImageView;
 import android.widget.TextView;
+import android.widget.VideoView;
 
 import androidx.fragment.app.Fragment;
 
+import com.bumptech.glide.Glide;
+import com.luck.picture.lib.basic.PictureSelector;
+import com.luck.picture.lib.config.SelectMimeType;
+import com.luck.picture.lib.entity.LocalMedia;
+import com.luck.picture.lib.interfaces.OnResultCallbackListener;
+
+import java.io.File;
+import java.util.ArrayList;
+
 
 public class UserFragment extends Fragment {
     TextView textView;
+
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
         View view = inflater.inflate(R.layout.fragment_user, container, false);
 
+        ImageView imageView = view.findViewById(R.id.photo);
+
         String username = getArguments().getString("username");
         textView = view.findViewById(R.id.username);
         textView.setText(username);
+
+        DBTools dbTools = new DBTools(getActivity(), "tests", null, 1);//数据库的名字
+        SQLiteDatabase sqLiteDatabase = dbTools.getWritableDatabase();
+        Cursor cursor = sqLiteDatabase.query("users", new String[]{"id", "phone", "password","img"},
+                "phone=?", new String[]{username}, null, null, null);
+        while (cursor.moveToNext()) {
+            int imgIndex = cursor.getColumnIndex("img");
+            String img = cursor.getString(imgIndex);
+            if (img != null && !img.isEmpty()) {
+                Glide.with(getActivity())
+                        .load(img)
+                        .into(imageView);
+            }
+        }
+        view.findViewById(R.id.photo).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                PictureSelector.create(getActivity())
+                        .openGallery(SelectMimeType.ofImage())
+                        .setImageEngine(GlideEngine.createGlideEngine())
+                        .forResult(new OnResultCallbackListener<LocalMedia>() {
+                            @Override
+                            public void onResult(ArrayList<LocalMedia> result) {
+                                Log.i("test", result.get(0).getRealPath());
+                                Glide.with(getActivity())
+                                        .load(Uri.fromFile(new File(result.get(0).getRealPath())))
+                                        .into(imageView);
+
+                                DBTools dbTools = new DBTools(getActivity(),"tests",null,1);//数据库的名字
+                                SQLiteDatabase sqLiteDatabase = dbTools.getWritableDatabase();
+                                ContentValues contentValues = new ContentValues();
+                                contentValues.put("img",Uri.fromFile(new File(result.get(0).getRealPath())).toString());
+                                sqLiteDatabase.update("users", contentValues,
+                                        "phone=?", new String[]{username});
+                            }
+
+                            @Override
+                            public void onCancel() {
+
+                            }
+                        });
+            }
+        });
+
+
         return view;
     }
+
+    public void updateUI(String username,String img) {
+        DBTools dbTools = new DBTools(getActivity(),"tests",null,1);//数据库的名字
+        SQLiteDatabase sqLiteDatabase = dbTools.getWritableDatabase();
+        ContentValues contentValues = new ContentValues();
+        contentValues.put("img",img);
+        sqLiteDatabase.update("users", contentValues,
+                "phone=?", new String[]{username});
+    }
 }

src/main/res/layout/fragment_study.xml

@@ -172,7 +172,7 @@
                     android:layout_marginTop="8dp"
                     android:text="2017年加入，我要好好学习天天向上~"
                     android:textColor="#7C7B7B"
-                    app:layout_constraintStart_toEndOf="@+id/imageView13"
+                    app:layout_constraintStart_toEndOf="@+id/pphoto"
                     app:layout_constraintTop_toBottomOf="@+id/username" />
 
                 <TextView
@@ -184,11 +184,11 @@
                     android:text="mooc1500271962727"
                     android:textSize="17dp"
                     android:textStyle="bold"
-                    app:layout_constraintStart_toEndOf="@+id/imageView13"
+                    app:layout_constraintStart_toEndOf="@+id/pphoto"
-                    app:layout_constraintTop_toTopOf="@+id/imageView13" />
+                    app:layout_constraintTop_toTopOf="@+id/pphoto" />
 
                 <ImageView
-                    android:id="@+id/imageView13"
+                    android:id="@+id/pphoto"
                     android:layout_width="90dp"
                     android:layout_height="90dp"
                     android:layout_marginStart="24dp"

src/main/res/layout/fragment_user.xml

@@ -194,7 +194,7 @@
                     android:layout_marginTop="8dp"
                     android:text="正使用“微信账号”登陆"
                     android:textColor="#7C7B7B"
-                    app:layout_constraintStart_toEndOf="@+id/imageView13"
+                    app:layout_constraintStart_toEndOf="@+id/pphoto"
                     app:layout_constraintTop_toBottomOf="@+id/username" />
 
                 <TextView
@@ -206,11 +206,11 @@
                     android:text="mooc1500271962727"
                     android:textSize="17dp"
                     android:textStyle="bold"
-                    app:layout_constraintStart_toEndOf="@+id/imageView13"
+                    app:layout_constraintStart_toEndOf="@+id/pphoto"
-                    app:layout_constraintTop_toTopOf="@+id/imageView13" />
+                    app:layout_constraintTop_toTopOf="@+id/pphoto" />
 
                 <ImageView
-                    android:id="@+id/imageView13"
+                    android:id="@+id/pphoto"
                     android:layout_width="90dp"
                     android:layout_height="90dp"
                     android:layout_marginStart="32dp"
@@ -240,7 +240,7 @@
                     app:layout_constraintTop_toTopOf="@+id/textView50" />
 
                 <ImageView
-                    android:id="@+id/imageView56"
+                    android:id="@+id/photo"
                     android:layout_width="80dp"
                     android:layout_height="80dp"
                     android:layout_marginStart="37dp"