匹克从android的图片库的图像？

本文介绍了匹克从android的图片库的图像？的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我在android.I天真现在面临一个 nuNullPointerException当我选择将图像从gallery.my code以下是这样的，在光标收到错误和 filePathColumn [0] 。怎么办..

  @覆盖
  保护无效的onActivityResult（INT申请code，INT结果code，意图数据）{
    super.onActivityResult（要求code，结果code，数据）;    如果（要求code == PICK_IMAGE＆放大器;＆安培;结果code == RESULT_OK
            ＆功放;＆安培;空！=数据）{
        乌里selectedImage = data.getData（）;
        的String [] = filePathColumn {MediaStore.Images.Media.DATA};        光标光标= getContentResolver（）查询（selectedImage，
                filePathColumn，NULL，NULL，NULL）;
        cursor.moveToFirst（）;
        INT参数：columnIndex = cursor.getColumnIndex（filePathColumn [0]）;
        字符串picturePath = cursor.getString（参数：columnIndex）;
        cursor.close（）;        德codeFILE（picturePath）;    }
}

解决方案

而不是自己尝试它，看看最近的图像库。它可以帮助你。是链接。

I am naive in android.I am facing a nuNullPointerException when i picking an image from the gallery.my code is following like that and getting error in cursor and filePathColumn[0]. What to do..

  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);

    if (requestCode == PICK_IMAGE && resultCode == RESULT_OK
            && null != data) {
        Uri selectedImage = data.getData();
        String[] filePathColumn = { MediaStore.Images.Media.DATA };

        Cursor cursor = getContentResolver().query(selectedImage,
                filePathColumn, null, null, null);
        cursor.moveToFirst();
        int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
        String picturePath = cursor.getString(columnIndex);
        cursor.close();

        decodeFile(picturePath);

    }
}

解决方案

Instead of trying it by yourself, take a look at recent-images library. It can help you. here is the link.

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