第二阶段团队冲刺2

一、认领任务

经过团队讨论，我认领到的工作是：设置圆形头像；

二、任务完成时间估算

界面跳转

5h

效果:

主要的实现代码：

MyFragment.java

package com.example.myapplication5;


import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import android.app.Fragment;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.TextView;

import com.alibaba.fastjson.JSON;

import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.List;


/**
 * A simple {@link Fragment} subclass.
 */
public class myFragment extends Fragment {
    private View ly4;
    private MyHandler handler1;
    private ImageButton imageButton9;
    private ImageView imageView2;
    private ImageButton imageButton12;
    private ImageButton imageButton13;
    private TextView textView1;
    private TextView textView2;
    private TextView textView3;
    private TextView textView4;
    private TextView textView5;
    private TextView textView6;
    private TextView textView7;
    class MyHandler extends Handler {
        @Override
        public void handleMessage(Message msg) {
//            ImageView imageView = (ImageView)ly4.findViewById(R.id.imageView2);
//            imageView.setImageBitmap((Bitmap)msg.obj);
            imageView2 = (ImageView) ly4.findViewById(R.id.imageView2);
            imageView2.setImageBitmap((Bitmap)msg.obj);

        }
    }

    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);

        if (savedInstanceState != null) {
            // Restore the fragment's state here
        }
    }

    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        // Save the fragment's state here

    }
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        if (ly4 == null) {
            Intent intent = getActivity().getIntent();

            final String user = intent.getStringExtra("user");
            final String Szong = intent.getStringExtra("Szong");
            List<user> shopInfos = JSON.parseArray(user, user.class);
            final String name = intent.getStringExtra("name");
            ly4 = inflater.inflate(R.layout.tab04, null);

            handler1 = new MyHandler();
            imageButton9 = (ImageButton) ly4.findViewById(R.id.imageButton9);
            imageView2 = (ImageView) ly4.findViewById(R.id.imageView2);
            imageButton12 = (ImageButton) ly4.findViewById(R.id.imageButton12);
            imageButton13 = (ImageButton) ly4.findViewById(R.id.imageButton13);
            imageButton9.setImageResource(R.drawable.setting);
            imageView2.setImageResource(R.drawable.touxiang);
            imageButton12.setImageResource(R.drawable.daka);
            imageButton13.setImageResource(R.drawable.ziliao2);
            textView1 = ly4.findViewById(R.id.textView17);
            textView2 = ly4.findViewById(R.id.textView27);
            textView3 = ly4.findViewById(R.id.textView15);
            textView4 = ly4.findViewById(R.id.textView30);
            textView5 = ly4.findViewById(R.id.textView19);
            textView6 = ly4.findViewById(R.id.textView21);
            textView7 = ly4.findViewById(R.id.textView23);
            if(null == shopInfos || shopInfos.size() ==0 ){
                String id =intent.getStringExtra("id");
                String weight =intent.getStringExtra("weight"+"kg");
                String height =intent.getStringExtra("height"+"cm");
                String sex =intent.getStringExtra("sex");
                String year =intent.getStringExtra("year");
                String school =intent.getStringExtra("school");
                textView1.setText(id);
                textView2.setText(weight);
                textView3.setText(height);
                textView4.setText(""+"秒");
                textView5.setText(year);
                textView6.setText(sex);
                textView7.setText(school);
            }else{
                for (user user1 : shopInfos) {


                    textView1.setText(user1.getVname());
                    textView2.setText(user1.getWeight()+"kg");
                    textView3.setText(user1.getHeight()+"cm");
                    textView4.setText(Szong+"秒");
                    textView5.setText(user1.getYear());
                    textView6.setText(user1.getSex());
                    textView7.setText(user1.getSchool());
                }}

            imageButton9.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {

                    Intent intent = new Intent(getActivity(), setting.class);

                    String password = getActivity().getIntent().getStringExtra("password");
                    intent.putExtra("name", name);
                    intent.putExtra("password", password);
                    intent.putExtra("user", user);
                    intent.putExtra("Szong", Szong);
                    startActivity(intent);
                }
            });
            imageButton12.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    Intent intent = new Intent(getActivity(), calendard.class);
                    startActivity(intent);
                }
            });


            new Thread(new Runnable() {
                @Override
                public void run() {

                    try {
                        //http://10.0.2.2:8080/system/fileService/images/admin.jpg   http://localhost:8080/system/fileService/images/admin.jpg
                        String path = "http://120.79.40.20/system/fileService/images/" + name + ".jpg";//String path = "http://120.79.40.20/system/fileService/images/hua.jpg";
                        //2:把网址封装为一个URL对象
                        URL url = new URL(path);
                        //3:获取客户端和服务器的连接对象，此时还没有建立连接
                        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
                        //4:初始化连接对象
                        conn.setRequestMethod("GET");
                        //设置连接超时
                        conn.setConnectTimeout(8000);
                        //设置读取超时
                        conn.setReadTimeout(8000);
                        //5:发生请求，与服务器建立连接
                        conn.connect();
                        //如果响应码为200，说明请求成功
                        if (conn.getResponseCode() == 200) {
                            //获取服务器响应头中的流
                            InputStream is = conn.getInputStream();
                            //读取流里的数据，构建成bitmap位图
                            Bitmap bm = BitmapFactory.decodeStream(is);
                            Message msg = new Message();
                            msg.obj = bm;
                            handler1.sendMessage(msg);
                        }
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            }).start();



        }
        return ly4;
    }




}

相应的xml文件：

<com.example.myapplication5.CircleImageView
            android:id="@+id/imageView2"
            android:layout_width="79dp"
            android:layout_height="84dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="0.021"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="0.346"
            app:srcCompat="@drawable/touxiang" />

CircleImageView.java

package com.example.myapplication5;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.BitmapShader;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.RectF;
import android.graphics.Shader;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
public class CircleImageView extends androidx.appcompat.widget.AppCompatImageView{
    private static final ScaleType SCALE_TYPE = ScaleType.CENTER_CROP;
    private static final Bitmap.Config BITMAP_CONFIG = Bitmap.Config.ARGB_8888;
    private static final int COLORDRAWABLE_DIMENSION = 1;
    private static final int DEFAULT_BORDER_WIDTH = 0;
    private static final int DEFAULT_BORDER_COLOR = Color.BLACK;
    private final RectF mDrawableRect = new RectF();
    private final RectF mBorderRect = new RectF();
    private final Matrix mShaderMatrix = new Matrix();
    private final Paint mBitmapPaint = new Paint();
    private final Paint mBorderPaint = new Paint();
    private int mBorderColor = DEFAULT_BORDER_COLOR;
    private int mBorderWidth = DEFAULT_BORDER_WIDTH;
    private Bitmap mBitmap;
    private BitmapShader mBitmapShader;
    private int mBitmapWidth;
    private int mBitmapHeight;
    private float mDrawableRadius;
    private float mBorderRadius;
    private boolean mReady;
    private boolean mSetupPending;
    public CircleImageView(Context context) {
        super(context);
    }
    public CircleImageView(Context context, AttributeSet attrs) {
        this(context, attrs, 0);
    }
    public CircleImageView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        super.setScaleType(SCALE_TYPE);
        TypedArray a = context.obtainStyledAttributes(attrs,
                R.styleable.CircleImageView, defStyle, 0);
        mBorderWidth = a.getDimensionPixelSize(
                R.styleable.CircleImageView_border_width, DEFAULT_BORDER_WIDTH);
        mBorderColor = a.getColor(R.styleable.CircleImageView_border_color,
                DEFAULT_BORDER_COLOR);
        a.recycle();
        mReady = true;
        if (mSetupPending) {
            setup();
            mSetupPending = false;
        }
    }
    @Override
    public ScaleType getScaleType() {
        return SCALE_TYPE;
    }
    @Override
    public void setScaleType(ScaleType scaleType) {
        if (scaleType != SCALE_TYPE) {
            throw new IllegalArgumentException(String.format(
                    "ScaleType %s not supported.", scaleType));
        }
    }
    @Override
    protected void onDraw(Canvas canvas) {
        if (getDrawable() == null) {
            return;
        }
        canvas.drawCircle(getWidth() / 2, getHeight() / 2, mDrawableRadius,
                mBitmapPaint);
        if (mBorderWidth != 0) {
            canvas.drawCircle(getWidth() / 2, getHeight() / 2, mBorderRadius,
                    mBorderPaint);
        }
    }
    @Override
    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
        super.onSizeChanged(w, h, oldw, oldh);
        setup();
    }
    public int getBorderColor() {
        return mBorderColor;
    }
    public void setBorderColor(int borderColor) {
        if (borderColor == mBorderColor) {
            return;
        }
        mBorderColor = borderColor;
        mBorderPaint.setColor(mBorderColor);
        invalidate();
    }
    public int getBorderWidth() {
        return mBorderWidth;
    }
    public void setBorderWidth(int borderWidth) {
        if (borderWidth == mBorderWidth) {
            return;
        }
        mBorderWidth = borderWidth;
        setup();
    }
    @Override
    public void setImageBitmap(Bitmap bm) {
        super.setImageBitmap(bm);
        mBitmap = bm;
        setup();
    }
    @Override
    public void setImageDrawable(Drawable drawable) {
        super.setImageDrawable(drawable);
        mBitmap = getBitmapFromDrawable(drawable);
        setup();
    }
    @Override
    public void setImageResource(int resId) {
        super.setImageResource(resId);
        mBitmap = getBitmapFromDrawable(getDrawable());
        setup();
    }
    private Bitmap getBitmapFromDrawable(Drawable drawable) {
        if (drawable == null) {
            return null;
        }
        if (drawable instanceof BitmapDrawable) {
            return ((BitmapDrawable) drawable).getBitmap();
        }
        try {
            Bitmap bitmap;
            if (drawable instanceof ColorDrawable) {
                bitmap = Bitmap.createBitmap(COLORDRAWABLE_DIMENSION,
                        COLORDRAWABLE_DIMENSION, BITMAP_CONFIG);
            } else {
                bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(),
                        drawable.getIntrinsicHeight(), BITMAP_CONFIG);
            }
            Canvas canvas = new Canvas(bitmap);
            drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
            drawable.draw(canvas);
            return bitmap;
        } catch (OutOfMemoryError e) {
            return null;
        }
    }
    private void setup() {
        if (!mReady) {
            mSetupPending = true;
            return;
        }
        if (mBitmap == null) {
            return;
        }
        mBitmapShader = new BitmapShader(mBitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
        mBitmapPaint.setAntiAlias(true);
        mBitmapPaint.setShader(mBitmapShader);
        mBorderPaint.setStyle(Paint.Style.STROKE);
        mBorderPaint.setAntiAlias(true);
        mBorderPaint.setColor(mBorderColor);
        mBorderPaint.setStrokeWidth(mBorderWidth);
        mBitmapHeight = mBitmap.getHeight();
        mBitmapWidth = mBitmap.getWidth();
        mBorderRect.set(0, 0, getWidth(), getHeight());
        mBorderRadius = Math.min((mBorderRect.height() - mBorderWidth) / 2,
                (mBorderRect.width() - mBorderWidth) / 2);
        mDrawableRect.set(mBorderWidth, mBorderWidth, mBorderRect.width()
                - mBorderWidth, mBorderRect.height() - mBorderWidth);
        mDrawableRadius = Math.min(mDrawableRect.height() / 2,
                mDrawableRect.width() / 2);
        updateShaderMatrix();
        invalidate();
    }
    private void updateShaderMatrix() {
        float scale;
        float dx = 0;
        float dy = 0;
        mShaderMatrix.set(null);
        if (mBitmapWidth * mDrawableRect.height() > mDrawableRect.width()
                * mBitmapHeight) {
            scale = mDrawableRect.height() / (float) mBitmapHeight;
            dx = (mDrawableRect.width() - mBitmapWidth * scale) * 0.5f;
        } else {
            scale = mDrawableRect.width() / (float) mBitmapWidth;
            dy = (mDrawableRect.height() - mBitmapHeight * scale) * 0.5f;
        }
        mShaderMatrix.setScale(scale, scale);
        mShaderMatrix.postTranslate((int) (dx + 0.5f) + mBorderWidth,
                (int) (dy + 0.5f) + mBorderWidth);
        mBitmapShader.setLocalMatrix(mShaderMatrix);
    }
}

 遇到的问题：

头像裁剪没有在中央。