Show soft keyboard when Activity starts

I have got two way.

Method 1. Use the following code inside the OnCreate method

getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);

It will prevent popping up keyboard unless you click.

or

Method 2 You can move away the focus on other view like TextView by using "requestfocus" in the xml.

<TextView
            android:id="@+id/year_birth_day"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:text="1991">            
           <requestFocus />
           </TextView>

Method 3 ( I think it should be avoidable) Using the following code in the manifest-

android:windowSoftInputMode="stateVisible"

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Try showing the keyboard with some delay. Something similar to this:

public void onResume() {
    super.onResume();

    TimerTask tt = new TimerTask() {

        @Override
        public void run() {
            InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
            imm.showSoftInput(yourTextBox, InputMethodManager.SHOW_IMPLICIT);
        }
    };

    final Timer timer = new Timer();
    timer.schedule(tt, 200);
}

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Major Attention Required!

android:windowSoftInputMode="stateVisible|adjustPan" This alone won't work to show keyboard on activity start.

You also need to explicitly add this into your class

editTextXYZ.requestFocus()
        val imm: InputMethodManager =
            getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
        imm.showSoftInput(editTextXYZ, InputMethodManager.SHOW_IMPLICIT)

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If you're using an emulator, you have to turn the hard keyboard off in order for the soft keyboard to show.

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File : AndroidManifest.xml

<activity android:name=".MainActivity">

Add following property :

android:windowSoftInputMode="stateVisible"

Which worked for me.

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paste this after setContentView

this.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);

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