Android Application Development v8 - AND-801 FREE EXAM DUMPS QUESTIONS & ANSWERS

The following image includes Android code for an app that contains a button with an id : "Downloadbutton".
When the app user clicks this button, a progress bar with id: "progressBar" will show up. What will happen if you change *'rate+=10" illustrated with green underlined text to "rate+=50"?

Which of the below choices is the best answer to fill the empty space in the following sentence? If you want to give all text widgets in an app the same format such as font color, font size, and font family, you should add the style attribute to the TextView XML tags in layout file and set the attribute value to the same style name.
You should define that style by adding a new style tag "style name-style_name" inside...............................

Assume you were given the code of an Android app that include a Google Map. When you checked the apps code, you found the following: var locationMangaer: LocationManager?=null var locationUstener:
LocationListener?=null Which of the following is true about this app?

The first image below includes an Android code to generate AlertDialog which is illustrated in the second image. The last line of the code includes "xxxxxxx". Which of the following choices is the correct line of code to replace "xxxxxxx" for the purpose of showing this AlertDialog?

Android Studio is the official IDE for Android application development.