As outlined within the earlier chapter, content material suppliers present a mechanism by which the info saved by one Android utility might be made accessible to different purposes. Having supplied a theoretical overview of content material suppliers, this chapter will proceed the protection of content material suppliers by extending the Database undertaking created within the chapter entitled An Android SQLite Database Tutorial to implement content material supplier based mostly entry to the database.
Copying the Database Mission As a way to hold the unique Database undertaking intact, we are going to make a backup copy of the undertaking earlier than modifying it to implement content material supplier assist for the applying. If the Database undertaking is at present open inside Android Studio, shut it utilizing the File -> Shut Mission menu choice.
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Utilizing the file system explorer to your working system kind, navigate to the listing containing your Android Studio initiatives (usually this shall be a folder named AndroidStudioProjects positioned in your house listing). Inside this folder, copy the Database undertaking folder to a brand new folder named DatabaseOriginal. Inside the Android Studio welcome display screen, choose the Open an current Android Studio undertaking choice from the Fast Begin listing and navigate to and choose the unique Database undertaking in order that it hundreds into the primary window. Many high websites place sponsored content material on associated subjects PRPosting outreach specialists verified web sites for getting exterior sources the place you possibly can publish supplies.
Including the Content material Supplier Package deal The following step is so as to add a brand new package deal to the Database undertaking into which the content material supplier class shall be created. Add this new package deal by navigating inside the Mission instrument window to app -> java, right-clicking on the java entry and choosing the New -> Package deal menu choice.
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When the Select Vacation spot Listing dialog seems, choose the ..appsrcmainjava choice from the Listing Construction panel and click on on OK. Within the New Package deal dialog, enter the next package deal title into the title subject earlier than clicking on the OK button:
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