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    复制代码
    package com.bwie.webviewupload;
    
    import java.io.ByteArrayInputStream;
    import java.io.ByteArrayOutputStream;
    import java.io.File;
    import java.io.FileNotFoundException;
    import java.io.InputStream;
    import java.text.SimpleDateFormat;
    import java.util.Date;
    
    import android.app.Activity;
    import android.content.ContentResolver;
    import android.content.Intent;
    import android.database.Cursor;
    import android.graphics.Bitmap;
    import android.graphics.BitmapFactory;
    import android.net.Uri;
    import android.os.Bundle;
    import android.os.Environment;
    import android.provider.MediaStore;
    import android.util.Base64;
    import android.view.Gravity;
    import android.view.View;
    import android.view.View.OnClickListener;
    import android.webkit.ValueCallback;
    import android.webkit.WebChromeClient;
    import android.webkit.WebView;
    
    public class MainActivity extends Activity {
    
        private ValueCallback<Uri> mUploadMessage;
        public static final int NONE = 0;
        public static final int PHOTO_CAMERA = 1;// 相机拍照
        public static final int PHOTO_COMPILE = 2; // 编辑图片
        public static final int PHOTO_RESOULT = 3;// 结果
        private String ImageName;
        Bitmap myBitmap;
        private byte[] mContent;
    
        public static String getStringToday() {
            Date currentTime = new Date();
            SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmss");
            String dateString = formatter.format(currentTime);
            return dateString;
        }
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
    
            // 找控件
            final WebView wv = (WebView) findViewById(R.id.wv);
    
            // 设置js有效
            wv.getSettings().setJavaScriptEnabled(true);
    
            // 为wv加载网络页面
            wv.loadUrl("http://101.200.142.201/Login/register.html");
    
            // 为wv设置js交互
            wv.setWebChromeClient(new WebChromeClient() {
    
                // 进行上传
                @SuppressWarnings("unused")
                public void openFileChooser(ValueCallback<Uri> uploadMsg,
                        String acceptType, String capture) {
    
                    mUploadMessage = uploadMsg;
    
                    // 在下方弹出poppupWindow
                    MyPopupWindow pop = new MyPopupWindow(MainActivity.this,
                            new OnClickListener() {
    
                                @Override
                                public void onClick(View v) {
                                    // TODO Auto-generated method stub
                                    // 判断
                                    switch (v.getId()) {
                                    case R.id.btn_pick_photo:
    
                                        // 设置调用系统相册的意图(隐式意图)
                                        Intent intent = new Intent();
    
                                        // 设置值活动//android.intent.action.PICK
                                        intent.setAction(Intent.ACTION_PICK);
    
                                        // 设置类型和数据
                                        intent.setDataAndType(
                                                MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
                                                "image/*");
    
                                        // 开启系统的相册
                                        startActivityForResult(intent,
                                                PHOTO_COMPILE);
    
                                        break;
    
                                    case R.id.btn_take_photo:
    
                                        // 设置图片的名称
                                        ImageName = "/" + getStringToday() + ".jpg";
    
                                        // 设置调用系统摄像头的意图(隐式意图)
                                        Intent intent1 = new Intent(
                                                MediaStore.ACTION_IMAGE_CAPTURE);
    
                                        // 设置照片的输出路径和文件名
    
                                        File file = new File(Environment
                                                .getExternalStorageDirectory(),
                                                ImageName);
    
                                        intent1.putExtra(MediaStore.EXTRA_OUTPUT,
                                                Uri.fromFile(file));
                                        // 开启摄像头
                                        startActivityForResult(intent1,
                                                PHOTO_CAMERA);
    
                                        break;
                                    case R.id.btn_cancel:
    
                                        break;
    
                                    }
    
                                }
                            });
    
                    // 显示窗口 main 为mainactivity的主控件
                    pop.showAtLocation(MainActivity.this.findViewById(R.id.main),
                            Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL, 0, 0); // 设置layout在PopupWindow中显示的位置
    
                }
    
            });
    
        }
    
        // 调用startActivityResult,返回之后的回调函数
        @Override
        protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    
            ContentResolver resolver = getContentResolver();
            // 照片的处理结果
            if (requestCode == PHOTO_COMPILE) {
            //进行图片的压缩
                String path = getAbsoluteImagePath(data.getData());
                Bitmap bitmap = getimage(path);
    //转成url Uri imageUri = Uri.parse(MediaStore.Images.Media.insertImage( getContentResolver(), bitmap, null, null)); Uri result = data == null || resultCode != RESULT_OK ? null : data.getData();
    //上传图片 mUploadMessage.onReceiveValue(result); mUploadMessage = null; } if (requestCode == PHOTO_CAMERA)// 拍照 { // 设置文件保存路径这里放在跟目录下 File picture = new File(Environment.getExternalStorageDirectory() + ImageName);          //进行图片的压缩 Bitmap bitmap1 = getimage(picture.getPath()); //转成url Uri imageUri = Uri.parse(MediaStore.Images.Media.insertImage( getContentResolver(), bitmap1, null, null));
    //上传图片 mUploadMessage.onReceiveValue(imageUri); mUploadMessage = null; } super.onActivityResult(requestCode, resultCode, data); } // http://blog.csdn.net/cherry609195946/article/details/9264409 // android图片压缩总结 // // 图片按比例大小压缩方法(根据Bitmap图片压缩) // 压缩图片url private Bitmap getimage(String srcPath) { BitmapFactory.Options newOpts = new BitmapFactory.Options(); // 开始读入图片,此时把options.inJustDecodeBounds 设回true了 newOpts.inJustDecodeBounds = true; Bitmap bitmap = BitmapFactory.decodeFile(srcPath, newOpts);// 此时返回bm为空 newOpts.inJustDecodeBounds = false; int w = newOpts.outWidth; int h = newOpts.outHeight; // 现在主流手机比较多是800*480分辨率,所以高和宽我们设置为 float hh = 800f;// 这里设置高度为800f float ww = 480f;// 这里设置宽度为480f // 缩放比。由于是固定比例缩放,只用高或者宽其中一个数据进行计算即可 int be = 1;// be=1表示不缩放 if (w > h && w > ww) {// 如果宽度大的话根据宽度固定大小缩放 be = (int) (newOpts.outWidth / ww); } else if (w < h && h > hh) {// 如果高度高的话根据宽度固定大小缩放 be = (int) (newOpts.outHeight / hh); } if (be <= 0) be = 1; newOpts.inSampleSize = be;// 设置缩放比例 // 重新读入图片,注意此时已经把options.inJustDecodeBounds 设回false了 bitmap = BitmapFactory.decodeFile(srcPath, newOpts); return compressImage(bitmap);// 压缩好比例大小后再进行质量压缩 } private Bitmap compressImage(Bitmap image) { ByteArrayOutputStream baos = new ByteArrayOutputStream(); image.compress(Bitmap.CompressFormat.JPEG, 100, baos);// 质量压缩方法,这里100表示不压缩,把压缩后的数据存放到baos中 int options = 100; while (baos.toByteArray().length / 1024 > 100) { // 循环判断如果压缩后图片是否大于100kb,大于继续压缩 baos.reset();// 重置baos即清空baos image.compress(Bitmap.CompressFormat.JPEG, options, baos);// 这里压缩options%,把压缩后的数据存放到baos中 options -= 10;// 每次都减少10 } ByteArrayInputStream isBm = new ByteArrayInputStream(baos.toByteArray());// 把压缩后的数据baos存放到ByteArrayInputStream中 Bitmap bitmap = BitmapFactory.decodeStream(isBm, null, null);// 把ByteArrayInputStream数据生成图片 return bitmap; } protected String getAbsoluteImagePath(Uri uri) { // can post image String[] proj = { MediaStore.Images.Media.DATA }; Cursor cursor = managedQuery(uri, proj, // Which columns to return null, // WHERE clause; which rows to return (all rows) null, // WHERE clause selection arguments (none) null); // Order-by clause (ascending by name) int column_index = cursor .getColumnIndexOrThrow(MediaStore.Images.Media.DATA); cursor.moveToFirst(); return cursor.getString(column_index); } }
    复制代码

     重写popupWindow代码

    复制代码
    package com.bwie.webviewupload;
    
    import android.app.Activity;
    import android.content.Context;
    import android.graphics.drawable.ColorDrawable;
    import android.view.LayoutInflater;
    import android.view.MotionEvent;
    import android.view.View;
    import android.view.View.OnClickListener;
    import android.view.View.OnTouchListener;
    import android.view.ViewGroup.LayoutParams;
    import android.widget.Button;
    import android.widget.PopupWindow;
    
    public class MyPopupWindow extends PopupWindow {
    
        private Button btn_take_photo, btn_pick_photo, btn_cancel;
        private View mMenuView;
    
        public MyPopupWindow(Activity context, OnClickListener itemsOnClick) {
            super();
            LayoutInflater inflater = (LayoutInflater) context
                    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            mMenuView = inflater.inflate(R.layout.popup, null);
            btn_take_photo = (Button) mMenuView.findViewById(R.id.btn_take_photo);
            btn_pick_photo = (Button) mMenuView.findViewById(R.id.btn_pick_photo);
            btn_cancel = (Button) mMenuView.findViewById(R.id.btn_cancel);
            // 取消按钮
            btn_cancel.setOnClickListener(new OnClickListener() {
    
                public void onClick(View v) {
                    // 销毁弹出框
                    dismiss();
                }
            });
    
            // 设置按钮监听
            btn_pick_photo.setOnClickListener(itemsOnClick);
            btn_take_photo.setOnClickListener(itemsOnClick);
            // 设置SelectPicPopupWindow的View
            this.setContentView(mMenuView);
            // 设置SelectPicPopupWindow弹出窗体的宽
            this.setWidth(LayoutParams.FILL_PARENT);
            // 设置SelectPicPopupWindow弹出窗体的高
            this.setHeight(LayoutParams.WRAP_CONTENT);
            // 设置SelectPicPopupWindow弹出窗体可点击
            this.setFocusable(true);
            // 设置SelectPicPopupWindow弹出窗体动画效果
            this.setAnimationStyle(R.style.mypopwindow_anim_style);
            // 实例化一个ColorDrawable颜色为半透明
            // ColorDrawable dw = new ColorDrawable(0xb0000000);
            // 设置SelectPicPopupWindow弹出窗体的背景
            // this.setBackgroundDrawable(dw);
            // mMenuView添加OnTouchListener监听判断获取触屏位置如果在选择框外面则销毁弹出框
            mMenuView.setOnTouchListener(new OnTouchListener() {
    
                public boolean onTouch(View v, MotionEvent event) {
    
                    int height = mMenuView.findViewById(R.id.pop_layout).getTop();
                    int y = (int) event.getY();
                    if (event.getAction() == MotionEvent.ACTION_UP) {
                        if (y < height) {
                            dismiss();
                        }
                    }
                    return true;
                }
            });
        }
    
    }
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  • 原文地址:https://www.cnblogs.com/hnpy/p/5488241.html
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