How to rotate layout orientation between portrait & landscape on touch listener in Android App?
In this video it shows the code to detect any kind of rotation movement on touch screen. And then it rotates the Android App layout respectively to Portrait and Landscape orientation.
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Complete source code and other details/ steps of this video are posted in the below link:
https://programmerworld.co/android/ho...
However, the main Java code is copied below also for reference:
package com.programmerworld.rotatethescreen;
import android.content.pm.ActivityInfo;
import android.os.Bundle;
import android.view.MotionEvent;
import androidx.activity.EdgeToEdge;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.graphics.Insets;
import androidx.core.view.ViewCompat;
import androidx.core.view.WindowInsetsCompat;
public class MainActivity extends AppCompatActivity {
private float previousX, previousY;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
EdgeToEdge.enable(this);
setContentView(R.layout.activity_main);
ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) - {
Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
return insets;
});
}
@Override
public boolean onTouchEvent(MotionEvent event) {
float x = event.getX();
float y = event.getY();
if (event.getAction() == MotionEvent.ACTION_MOVE) {
float dx = Math.abs(x - previousX);
float dy = Math.abs(y - previousY);
if (dx GREATER 10 && dy GREATER 10) {
if (getRequestedOrientation() == ActivityInfo.SCREEN_ORIENTATION_PORTRAIT) {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
} else {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
}
}
}
previousX = x;
previousY = y;
return true;
}
}
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