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主页 / user-323840

Дмитрий's questions

Martin Hope
Дмитрий
Asked: 2020-02-22 03:49:13 +0000 UTC

为什么会发生错误

  • 0
1.ошибка в строке 
ActivityCompat.requestPermissions(this, PERMISSIONS_STORAGE, REQUEST_EXTERNAL_STORAGE);

слово this

2.ошибка в строке 
       View v1 = getWindow().getDecorView().getRootView();

слово getWindow()

包dima113xxx.scr;

import android.Manifest;
import android.content.pm.PackageManager;
import android.graphics.Bitmap;
import android.os.Environment;
import android.support.v4.app.ActivityCompat;
import android.view.View;

import java.io.File;
import java.io.FileOutputStream;
import java.util.Date;

import static android.R.attr.permission;



public class SCR {

    String folder_main = "Screenshot_Crypto_Calculator";
    private static final int REQUEST_EXTERNAL_STORAGE = 1;
    private static String[] PERMISSIONS_STORAGE = {
            Manifest.permission.READ_EXTERNAL_STORAGE,
            Manifest.permission.WRITE_EXTERNAL_STORAGE
    };

    public void check() {



        if (permission != PackageManager.PERMISSION_GRANTED) {
            // We don't have permission so prompt the user
            ActivityCompat.requestPermissions(this, PERMISSIONS_STORAGE, REQUEST_EXTERNAL_STORAGE);
        }else
        { }

    }

    public void takeScreenshot() {

        File f = new File(Environment.getExternalStorageDirectory(), folder_main);
        if (!f.exists()) {
            f.mkdirs();
        }

        Date now = new Date();
        android.text.format.DateFormat.format("yyyy-MM-dd_hh:mm:ss", now);

        try {
            // image naming and path  to include sd card  appending name you choose for file
            String mPath = Environment.getExternalStoragePublicDirectory(folder_main) + "/" + now + ".jpg";

            // create bitmap screen capture
            View v1 = getWindow().getDecorView().getRootView();
            v1.setDrawingCacheEnabled(true);
            Bitmap bitmap = Bitmap.createBitmap(v1.getDrawingCache());
            v1.setDrawingCacheEnabled(false);

            File imageFile = new File(mPath);

            FileOutputStream outputStream = new FileOutputStream(imageFile);
            int quality = 100;
            bitmap.compress(Bitmap.CompressFormat.JPEG, quality, outputStream);
            outputStream.flush();
            outputStream.close();

        } catch (Throwable e) {
            // Several error may come out with file handling or DOM
            e.printStackTrace();
        }
    }


}
java
  • 1 个回答
  • 10 Views
Martin Hope
Дмитрий
Asked: 2020-02-11 03:48:23 +0000 UTC

如何创建自己的截图文件夹而不是 DIRECTORY_DOWNLOADS?

  • 0
 public void onClick(View view) {
        takeScreenshot();
    }

    private void takeScreenshot() {
        Date now = new Date();
        android.text.format.DateFormat.format("yyyy-MM-dd_hh:mm:ss", now);

        try {
            // image naming and path  to include sd card  appending name you choose for file
            String mPath = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).toString() + "/" + now + ".jpg";

            // create bitmap screen capture
            View v1 = getWindow().getDecorView().getRootView();
            v1.setDrawingCacheEnabled(true);
            Bitmap bitmap = Bitmap.createBitmap(v1.getDrawingCache());
            v1.setDrawingCacheEnabled(false);

            File imageFile = new File(mPath);

            FileOutputStream outputStream = new FileOutputStream(imageFile);
            int quality = 100;
            bitmap.compress(Bitmap.CompressFormat.JPEG, quality, outputStream);
            outputStream.flush();
            outputStream.close();

            openScreenshot(imageFile);
        } catch (Throwable e) {
            // Several error may come out with file handling or DOM
            e.printStackTrace();
        }
    }

    private void openScreenshot(File imageFile) {
        Intent intent = new Intent();
        intent.setAction(Intent.ACTION_VIEW);
        Uri uri = Uri.fromFile(imageFile);
        intent.setDataAndType(uri, "image/*");
        startActivity(intent);
    }
}
java
  • 1 个回答
  • 10 Views
Martin Hope
Дмитрий
Asked: 2020-01-30 01:19:17 +0000 UTC

如何去除 SeekBar 中点周围的白色背景?

  • 0

在此处输入图像描述

<SeekBar
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:thumb="@drawable/seek"
        android:progressDrawable="@drawable/seek_style"/>

寻找.xml

<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="oval">
    <size
        android:width="20dp"
        android:height="20dp"
        />
    <solid android:color="#60f0"/>
</shape>

寻求风格

<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:id="@android:id/background">
        <shape>
            <corners android:radius="5dip" />
            <gradient
                android:startColor="#ff9d9e9d"
                android:centerColor="#ff5a5d5a"
                android:centerY="0.75"
                android:endColor="#ff747674"
                android:angle="270"
                />
        </shape>
    </item>

    <item android:id="@android:id/secondaryProgress">
        <clip>
            <shape>
                <corners android:radius="5dip" />
                <gradient
                    android:startColor="#80ffd300"
                    android:centerColor="#80ffb600"
                    android:centerY="0.75"
                    android:endColor="#a0ffcb00"
                    android:angle="270"
                    />
            </shape>
        </clip>
    </item>

    <item android:id="@android:id/progress">
        <clip>
            <shape>
                <corners android:radius="5dip" />
                <gradient
                    android:startColor="#ff0099CC"
                    android:centerColor="#ff3399CC"
                    android:centerY="0.75"
                    android:endColor="#ff6699CC"
                    android:angle="270"
                    />
            </shape>
        </clip>
    </item>
</layer-list>
java
  • 1 个回答
  • 10 Views
Martin Hope
Дмитрий
Asked: 2020-01-20 04:22:00 +0000 UTC

: 在 for 循环中是什么意思?简单来说)[关闭]

  • -4
关闭。这个问题需要澄清或补充细节。目前不接受回复。

想改进这个问题?通过编辑此帖子添加更多详细信息并澄清问题。

3年前关闭。

改进问题
 doc = Jsoup.connect("https://Сайт").maxBodySize(0).get();
            content = doc.select("tr");

            titleList.clear();

            for (Element contents : content) {
                titleList.add(contents.text());
                publishProgress(progress);
            }
for
  • 2 个回答
  • 10 Views

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