Android开发之实现电话app(七)

柔情只为你懂 2024-03-26 20:35 98阅读 0赞

**call\_phone\_activity.xml**

<?xml version="1.0" encoding="utf-8"?>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">
    
        <EditText
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/call_ed"
            android:hint="输入电话号码"
            android:inputType="phone"
            />
    
        <Button
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/call_bu"
            android:text="拨打电话"/>
    </LinearLayout>

**CallPhoneActivity.java**

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;
    import android.widget.EditText;
    
    public class CallPhoneActivity extends AppCompatActivity {
    
        EditText callEd;
        Button callBu;
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_call_phone);
    
            //初始化UI
            callEd=findViewById(R.id.call_ed);
            callBu=findViewById(R.id.call_bu);
    
            //监听按钮点击事件
            callBu.setOnClickListener(new View.OnClickListener(){
               @Override
                public void onClick(View view){
                    //获取号码
                    String phone = callEd.getText().toString().trim();
    
                    //创建意图（隐式意图）
                    //操作：Intent.ACTION_DIAL
                    //数据：Uri.parse("tel:" + phone)
    
                    //Uri UriPhone=Uri.parse("tel:" + phone);
                    // Intent dialIntent = new Intent(Intent.ACTION_DIAL, UriPhone);
    
                    Intent dialIntent = new Intent(Intent.ACTION_DIAL, Uri.parse("tel:" + phone));
    
                    //写法二
                   Intent myIntent=new Intent();
                   myIntent.setAction(Intent.ACTION_DIAL);
                   myIntent.setData(Uri.parse("tel:" + phone));
    
    
                    //启动意图
                    startActivity(dialIntent);
                }
            });
        }
    }

**效果**  
![b9a1e5e3c4b346e6bd1841783a52bee1.png][]

![71fb24b9486d4b0eb87ff239d23067a3.png][]

![94f087990cd54d8fae39e81d7d29c321.png][]

[b9a1e5e3c4b346e6bd1841783a52bee1.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/25/3fc5806f0ccc48ba9b8fc58e1c87a8df.png
[71fb24b9486d4b0eb87ff239d23067a3.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/25/65acc5c2aef540b59be64dc5e354c668.png
[94f087990cd54d8fae39e81d7d29c321.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/25/3332c58ab1e7479ba9c5e674abb0afad.png