Qt Open Android Album Select a picture and get the local path to the picture

Source: Internet
Author: User

Qt Open Android Album Select a picture and get the local path to the picture

The steps are as follows:

  1. By Intent opening the Android system album.

    It is recommended to use QAndroidJniObject::getStaticObjectField get static fields.

        QAndroidJniObject action = QAndroidJniObject::getStaticObjectField(                "android/content/Intent",                "ACTION_GET_CONTENT",                "Ljava/lang/String;");
  2. After the user selects a picture in the System album, it C++ gets the address of the picture in the code content .

  3. The local path of the picture is drawn through the query.

    URI uri = Data. GetData();String[] proj = {Mediastore. Images. Media. DATA};Cursor actualimagecursor = managedquery (uri,proj,null,null,null);int actual_image_column_index = Actualimagecursor. Getcolumnindexorthrow(Mediastore. Images. Media. DATA);Actualimagecursor. Movetofirst();String Img_path = Actualimagecursor. getString(Actual_image_column_index);File File = new file (Img_path);

    Turn the appeal's Java code into C + + code. Refer to Qt and Android Gallery-mediastore using Qandroidjniobject.

Example download Callnativegallery, you can also choose to fork this project.


Qt and Android Gallery-mediastore using Qandroidjniobject


Android implements URI to get the real path converted to file method

Thread:converting Qandroidjniobject to jobjectarray:most elements is null!

How to return a array from JNI to Java?

Qt Open Android Album Select a picture and get the local path to the picture

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