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This article mainly introduces the Android Studio how to use the custom dialog box effect related knowledge, the content is detailed and easy to understand, the operation is simple and fast, has a certain reference value, I believe that after reading this Android Studio how to use the custom dialog box effect article will have a harvest, let's take a look at it.

Compatible with lower versions of APP

Step 1: create a new blank activity with the following layout XML settings

The startup interface of the APP activity_main.xml

Layout XML settings for customized dialog box item_alert_dialog

Step 2: bind layout xml in MainActivity.java

Step 3: the dialog box implements the abstract way

Package com.xwb.zdydhk;import androidx.appcompat.app.AlertDialog;import androidx.appcompat.app.AppCompatActivity;import android.content.DialogInterface;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.Toast;public class MainActivity extends AppCompatActivity implements View.OnClickListener {@ Override protected void onCreate (Bundle savedInstanceState) {super.onCreate (savedInstanceState); setContentView (R.layout.activity_main); Button btn_single = findViewById (R.id.btn_single) Btn_single.setOnClickListener (this); Button btn_alert_customer = findViewById (R.id.btn_alert_customer); btn_alert_customer.setOnClickListener (this);} @ Override public void onClick (View v) {AlertDialog.Builder builder = new AlertDialog.Builder (this) Switch (v.getId ()) {case R.id.btn_single: builder.setTitle ("Radio Dialog Box") .setIcon (R.mipmap.ic_launcher) .setSingleChoiceItems (new String [] {"China", "Germany", "Japan"}, 0, new DialogInterface.OnClickListener () {@ Override public void onClick (DialogInterface dialog) Int which) {Toast.makeText (MainActivity.this, "selected" + which,Toast.LENGTH_SHORT) .show () }}); break; case R.id.btn_alert_customer: / / setView (R.layout.item_alert_dialog) is a custom dialog box, or builder.setTitle ("custom dialog box") .setIcon (R.mipmap.ic_launcher) .setView (R.layout.item_alert_dialog) Break;} AlertDialog ad = builder.create (); ad.show ();}}

Step 4: run the APP effect

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