CropFileUtils.java

package com.forfan.bigbang.cropper;

import android.annotation.SuppressLint;
import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;
import android.util.Log;

import com.forfan.bigbang.BigBangApp;
import com.forfan.bigbang.cropper.handler.CropImage;

import java.io.*;

public class CropFileUtils {

    final static String TAG = "CropFileUtils";

    public static boolean copyFile(String filePath, String destPath) {
        File originFile = new File(filePath);
        File destFile = new File(destPath);
        BufferedInputStream reader = null;
        BufferedOutputStream writer = null;
        try {
            if (!destFile.exists()) {
                boolean result = destFile.createNewFile();
                Log.d(TAG, "create new file result: " + result + " file : " + destPath);
            }
            InputStream in = new FileInputStream(originFile);
            OutputStream out = new FileOutputStream(destFile);
            reader = new BufferedInputStream(in);
            writer = new BufferedOutputStream(out);
            byte[] buffer = new byte[1024];
            int length;
            while ((length = reader.read(buffer)) != -1) {
                writer.write(buffer, 0, length);
            }
        } catch (Exception exception) {
            return false;
        } finally {
            if (reader != null) {
                try {
                    reader.close();
                } catch (IOException ignore) {
                }
            }
            if (writer != null) {
                try {
                    writer.close();
                } catch (IOException ignore) {
                }
            }
        }
        return true;
    }

    private static String getPathDeprecated(Context context, Uri uri) {
        if (uri == null) {
            return null;
        }
        String[] projection = {MediaStore.Images.Media.DATA};
        Cursor cursor = context.getContentResolver().query(uri, projection, null, null, null);
        if (cursor != null) {
            int column_index = cursor
                    .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
            cursor.moveToFirst();
            return cursor.getString(column_index);
        }
        return uri.getPath();
    }

    public static String getSmartFilePath(Context context, Uri uri) {
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
            return getPathDeprecated(context, uri);
        }
        return CropFileUtils.getPath(context, uri);
    }

    @SuppressLint("NewApi")
    public static String getPath(final Context context, final Uri uri) {
        final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
        // DocumentProvider
        if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
            // ExternalStorageProvider
            if (isExternalStorageDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];

                if ("primary".equalsIgnoreCase(type)) {
                    return Environment.getExternalStorageDirectory() + "/" + split[1];
                }

                // TODO handle non-primary volumes
            }
            // DownloadsProvider
            else if (isDownloadsDocument(uri)) {
                final String id = DocumentsContract.getDocumentId(uri);
                final Uri contentUri = ContentUris.withAppendedId(
                        Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));

                return getDataColumn(context, contentUri, null, null);
            }
            // MediaProvider
            else if (isMediaDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];

                Uri contentUri = null;
                if ("image".equals(type)) {
                    contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
                } else if ("video".equals(type)) {
                    contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
                } else if ("audio".equals(type)) {
                    contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
                }

                final String selection = "_id=?";
                final String[] selectionArgs = new String[]{
                        split[1]
                };

                return getDataColumn(context, contentUri, selection, selectionArgs);
            }
        }
        // MediaStore (and general)
        else if ("content".equalsIgnoreCase(uri.getScheme())) {
            return getDataColumn(context, uri, null, null);
        }
        // File
        else if ("file".equalsIgnoreCase(uri.getScheme())) {
            return uri.getPath();
        }

        return null;
    }

    /**
     * Get the value of the data column for this Uri. This is useful for
     * MediaStore Uris, and other file-based ContentProviders.
     *
     * @param context       The context.
     * @param uri           The Uri to query.
     * @param selection     (Optional) Filter used in the query.
     * @param selectionArgs (Optional) Selection arguments used in the query.
     * @return The value of the _data column, which is typically a file path.
     */
    public static String getDataColumn(Context context, Uri uri, String selection,
                                       String[] selectionArgs) {
        Cursor cursor = null;
        final String column = "_data";
        final String[] projection = {
                column
        };

        try {
            cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs,
                    null);
            if (cursor != null && cursor.moveToFirst()) {
                final int column_index = cursor.getColumnIndexOrThrow(column);
                return cursor.getString(column_index);
            }
        } finally {
            if (cursor != null)
                cursor.close();
        }
        return null;
    }


    /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is ExternalStorageProvider.
     */
    public static boolean isExternalStorageDocument(Uri uri) {
        return "com.android.externalstorage.documents".equals(uri.getAuthority());
    }

    /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is DownloadsProvider.
     */
    public static boolean isDownloadsDocument(Uri uri) {
        return "com.android.providers.downloads.documents".equals(uri.getAuthority());
    }

    /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is MediaProvider.
     */
    public static boolean isMediaDocument(Uri uri) {
        return "com.android.providers.media.documents".equals(uri.getAuthority());
    }

    public static void copyRoundImageFile(String path, String floatviewImagePath) {
        File destFile = new File(floatviewImagePath);
        Bitmap bitmap = CropImage.toOvalBitmap(BitmapFactory.decodeFile(path));

        try {
            if(!BigBangApp.getInstance().getFilesDir().exists())
                BigBangApp.getInstance().getFilesDir().mkdirs();
//            if (!destFile.exists()) {
//                boolean result = destFile.createNewFile();
//                Log.d(TAG, "create new file result: " + result + " file : " + floatviewImagePath);
//            }
            FileOutputStream out = new FileOutputStream(destFile);
            bitmap.compress(Bitmap.CompressFormat.PNG, 90, out);
            out.flush();
            out.close();
            Log.i(TAG, "已经保存");
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }


    }
}