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POChanging orientation with onClick android
 

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  1. POChanging orientation with onClick android
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    <p>I am trying to implement a button click to be able to change the orientation of the activity however, it is going into landscape mode but not going back to portrait.</p> <pre class="lang-java prettyprint-override"><code>if(!state){ setRequestedOrientation(MainActivity.SCREEN_ORIENTATION_LANDSCAPE); } else { setRequestedOrientation(MainActivity.SCREEN_ORIENTATION_PORTRAIT); } state = !state; </code></pre> <p>What I read was to, have state = false, when the button is pressed, change the orientation, then state is set as true, at this point if the button is pressed again the activity will change back to landscape.</p> <p>I also read about using switch? But I tried implementing that but didn't go so well so I tried this method.</p> <p><strong>Edit</strong></p> <p>I've implemented using getting the surface rotation and they are able to pick up the rotation either being 0 or 90 </p> <pre class="lang-java prettyprint-override"><code>if (orientation==Surface.ROTATION_0) { Toast.makeText(getBaseContext(), "going to landscape", Toast.LENGTH_LONG).show(); setRequestedOrientation(MainActivity.SCREEN_ORIENTATION_LANDSCAPE); } else if (orientation==Surface.ROTATION_90) { Toast.makeText(getBaseContext(), "going to portrait", Toast.LENGTH_LONG).show(); setRequestedOrientation(MainActivity.SCREEN_ORIENTATION_PORTRAIT); } </code></pre> <p>However, as the activity goes into landscape and the toast is shown, when I try to go back into portrait the toast does show "going to portrait" but the setRequestOrientation does not execute. What seems to be the issue?</p>
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    1. USRoman C
    1. USuser2663646
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    1. COMeans on button click you want to change orientation but its did't happen.
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      1. USShani Goriwal
    2. COWhen the orientation is changed, the activity is recreated. So, I guess, after you change the orientation, value of `state` is `false` again. Check it.
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      1. POChanging orientation with onClick android
      1. USSergey Zhabinskii
 

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