1.点击跳转到本地图片

case R.id.iv_wish_bg:                Intent intent = new Intent();                /* 开启Pictures画面Type设定为image */                intent.setType("image/*");                /* 使用Intent.ACTION_GET_CONTENT这个Action */                intent.setAction(Intent.ACTION_GET_CONTENT);                /* 取得相片后返回本画面 */                startActivityForResult(intent, 1);                break;

2.保存路径,并建立

 @Override    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {             if (resultCode == RESULT_OK) {                 Uri uri = data.getData();            //这是本机的图片路径           img_url= UrlUtils.getPathByUri4kitkat(WishSettingActivity.this,uri);            etWishBg.setText("1");            ContentResolver cr = this.getContentResolver();//内容解析器            try {                     Bitmap bitmap = BitmapFactory.decodeStream(cr.openInputStream(uri));//打开输出流                ImageView imageView = (ImageView) findViewById(R.id.iv_wish_bg);                /* 将Bitmap设定到ImageView */                imageView.setImageBitmap(bitmap);            } catch (FileNotFoundException e) {                     Log.e("Exception", e.getMessage(),e);            }        }        super.onActivityResult(requestCode, resultCode, data);    }

3.getPathByUri4kitkat()方法

 @SuppressLint("NewApi")    public static String getPathByUri4kitkat(final Context context, final Uri uri) {             final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;        // DocumentProvider文件提供者        if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {                 if (isExternalStorageDocument(uri)) {     // ExternalStorageProvider                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];                }            } else if (isDownloadsDocument(uri)) {     // DownloadsProvider                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);            } else if (isMediaDocument(uri)) {     // MediaProvider                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);            }        } else if ("content".equalsIgnoreCase(uri.getScheme())) {     // MediaStore            // (and            // general)            return getDataColumn(context, uri, null, null);        } else if ("file".equalsIgnoreCase(uri.getScheme())) {     // File            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());    }

4.拿出来使用

if (img_url!=null){                     Glide.with(WishShowActivity.this).load(img_url).into(ivBg);            }

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