Android日常--文件操作

发布网友发布时间：2023-05-02 21:29

共1个回答

热心网友时间：2023-05-18 03:02

public static boolean isImageType(String path) {

Drawable drawable = Drawable.createFromPath(path);

if (drawable != null) {

return true;

}

return false;

}

public static boolean isVideoType(String path) {

if (path.endsWith(".mp4") || path.endsWith(".avi") || path.endsWith(".mov") || path.endsWith(".rmvb")

|| path.endsWith(".mkv") || path.endsWith(".wmv"))

return true;

return false;

}

public static voidopenImageFile(Context context,String path) {

Intent intent =newIntent("android.intent.action.VIEW");

intent.addCategory("android.intent.category.DEFAULT");

intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

Uri uri = Uri.fromFile(newFile(path));

intent.setDataAndType(uri,"image/*");

context.startActivity(intent);

}

public static voidopenVideoFile(Context context,String path) {

Intent intent =newIntent("android.intent.action.VIEW");

intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);

intent.putExtra("oneshot",0);

intent.putExtra("configchange",0);

Uri uri = Uri.fromFile(newFile(path));

intent.setDataAndType(uri,"video/*");

context.startActivity(intent);

}