Android Stuidio —— 一键拨号

效果

 
 

代码

     关键代码

public void onClick(View view) 
{
	String num = "10086";
	Intent cn = new Intent(Intent.ACTION_DIAL, Uri.parse("tel:"+num));
	startActivity(cn);
}

 
     完整代码

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    tools:context=".MainActivity">


    <Button
        android:id="@+id/button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_weight="0"
        android:text="10086 一键拨号" />
</LinearLayout>

package com.example.application;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Button button = findViewById(R.id.button);
        if(button != null){
            button.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    String num = "10086";
                    Intent cn = new Intent(Intent.ACTION_DIAL, Uri.parse("tel:"+num));
                    startActivity(cn);
                }
            });
        }
    }
}

 

关注

笔者 - jxd

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