Android studio intent implicitly starts, sends text messages, dials, makes calls, accesses web pages and other example codes

Android studio intent implicitly starts, sends text messages, dials, makes calls, accesses web pages and other example codes

function

Create 5 buttons, including implicit start, send SMS, dial button, phone button and open web page button. Complete the functions under each button by using intent

The code directory is as follows

The detailed code is as follows:

Strictly case sensitive in Android. For example, the following two pieces of code represent different meanings:

The results are as follows:

Main page:

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