七、Android定位与拨打电话、发送短信


前言

👨‍💻👨‍🌾📝记录学习成果,以便温故而知新

项目目录

在这里插入图片描述

1.定位

功能最好在手机上测试,确保定位功能是打开的
在这里插入图片描述

(1)代码LocationActivity、activity_location

package cn.fy.location.activity;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;

import android.Manifest;
import android.content.Context;
import android.content.pm.PackageManager;
import android.location.Criteria;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;

import java.util.ArrayList;
import java.util.List;

import cn.fy.location.databinding.ActivityLocationBinding;
import cn.fy.location.databinding.ActivityMainBinding;

public class LocationActivity extends AppCompatActivity {

    private ActivityLocationBinding binding;

    private LocationManager lm;
    private List<String> pNames = new ArrayList<String>(); // 存放LocationProvider名称的集合

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //setContentView(R.layout.activity_location);
        binding = ActivityLocationBinding.inflate(getLayoutInflater());
        setContentView(binding.getRoot());

        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setTitle("定位");

        lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);

        Button btnLocation1 = binding.btnLocation1;
        btnLocation1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                pNames.clear();
                pNames = lm.getAllProviders();
                binding.tvResult.setText(getProvider());
            }
        });

        Button btnLocation2 = binding.btnLocation2;
        btnLocation2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                pNames.clear();
                Criteria criteria = new Criteria();
                criteria.setCostAllowed(false);   //免费
                criteria.setAltitudeRequired(true);  //能够提供高度信息
                criteria.setBearingRequired(true);   //能够提供方向信息
                pNames = lm.getProviders(criteria, true);
                binding.tvResult.setText(getProvider());
            }
        });

        Button btnLocation3 = binding.btnLocation3;
        btnLocation3.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                pNames.clear();
                pNames.add(lm.getProvider(LocationManager.GPS_PROVIDER).getName()); //指定名称
                binding.tvResult.setText(getProvider());
            }
        });

        Button btnLocation4 = binding.btnLocation4;
        btnLocation4.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if (ActivityCompat.checkSelfPermission(LocationActivity.this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(LocationActivity.this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
                    return;
                }
                lm.requestLocationUpdates(
                        LocationManager.GPS_PROVIDER,//指定GPS定位的提供者
                        1000,//间隔时间
                        1,//位置更新之间的最小距离
                        new LocationListener() { //监听GPS定位信息是否改变
                            @Override
                            public void onLocationChanged(@NonNull Location location) { //GPS信息发生改变时回调
                                locationUpdates(location);
                            }
                        }
                );
            }
        });

        Button btnLocation5 = binding.btnLocation5;
        btnLocation5.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if (ActivityCompat.checkSelfPermission(LocationActivity.this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(LocationActivity.this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
                    return;
                }
                //获取最新的定位信息
                Location location = lm.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
                //将最新的定位信息,传递给LocationUpdates()方法
                locationUpdates(location);
            }
        });
    }

    @Override
    public boolean onOptionsItemSelected(@NonNull MenuItem item) {

        switch (item.getItemId()) {
            case android.R.id.home:
                finish();
                break;
            default:
                break;
        }
        return super.onOptionsItemSelected(item);
    }

    //遍历数组返回字符串的方法
    private String getProvider(){
        StringBuilder sb = new StringBuilder();
        for (String s : pNames) {
            sb.append(s + "\n");
        }
        return sb.toString();
    }

    public void locationUpdates(Location location) {
        if (null != location) {
            StringBuilder stringBuilder = new StringBuilder();
            stringBuilder.append("您的位置是:\n");
            stringBuilder.append("经度:");
            stringBuilder.append(location.getLongitude());
            stringBuilder.append("\n纬度:");
            stringBuilder.append(location.getLatitude());
            binding.tvResult.setText(stringBuilder.toString());
        } else {
            binding.tvResult.setText("没有获取到GPS信息");
        }
    }
}
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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"
    tools:context=".activity.LocationActivity">

    <Button
        android:id="@+id/btn_location1"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:layout_marginTop="16dp"
        android:layout_marginEnd="16dp"
        android:text="获得系统所有的LocationProvider"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <Button
        android:id="@+id/btn_location2"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:layout_marginTop="16dp"
        android:layout_marginEnd="16dp"
        android:text="根据条件获取LocationProvider"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/btn_location1" />

    <Button
        android:id="@+id/btn_location3"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:layout_marginTop="16dp"
        android:layout_marginEnd="16dp"
        android:text="获取指定的LocationProvider"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/btn_location2" />

    <Button
        android:id="@+id/btn_location4"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:layout_marginTop="16dp"
        android:layout_marginEnd="16dp"
        android:text="被动获取"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/btn_location3" />

    <Button
        android:id="@+id/btn_location5"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:layout_marginTop="16dp"
        android:layout_marginEnd="16dp"
        android:text="主动获取"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/btn_location4" />

    <EditText
        android:id="@+id/tv_result"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_marginStart="16dp"
        android:layout_marginTop="16dp"
        android:layout_marginEnd="16dp"
        android:layout_marginBottom="16dp"
        android:ems="10"
        android:gravity="start|top"
        android:hint="位置信息"
        android:inputType="textMultiLine"
        android:singleLine="false"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/btn_location5" />

</androidx.constraintlayout.widget.ConstraintLayout>

(2)权限

    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

2.拨打电话、发送短信

功能只在模拟器上测试,手机上的效果没有测试
在这里插入图片描述直接上代码SmsActivity、activity_sms

package cn.fy.location.activity;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.database.ContentObserver;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.telephony.SmsMessage;
import android.util.Log;
import android.view.MenuItem;
import android.view.View;

import cn.fy.location.databinding.ActivitySmsBinding;

public class SmsActivity extends AppCompatActivity {

    private ActivitySmsBinding binding;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //setContentView(R.layout.activity_sms);
        binding = ActivitySmsBinding.inflate(getLayoutInflater());
        setContentView(binding.getRoot());

        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setTitle("拨打电话 发送短信");

        binding.btnDialPhone.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(); //创建Intent对象
                intent.setAction(intent.ACTION_DIAL); //调用拨号面板
                intent.setData(Uri.parse("tel:043184978981")); //设置要拨打的号码
                startActivity(intent); //启动Activity
            }
        });

        binding.btnSendMsg.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(); //创建Intent对象
                intent.setAction(intent.ACTION_SENDTO); //调用发送短信息
                intent.setData(Uri.parse("smsto:5554")); //设置要发送的号码,5554模拟器发送的号码
                intent.putExtra("sms_body", "Welcome to Android!"); //设置要发送的信息内容
                startActivity(intent); //启动Activity
            }
        });
    }

    @Override
    public boolean onOptionsItemSelected(@NonNull MenuItem item) {

        switch (item.getItemId()) {
            case android.R.id.home:
                finish();
                break;
            default:
                break;
        }
        return super.onOptionsItemSelected(item);
    }

}
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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"
    tools:context=".activity.SmsActivity">

    <Button
        android:id="@+id/btn_dial_phone"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="60dp"
        android:layout_marginTop="20dp"
        android:layout_marginEnd="60dp"
        android:text="拨打电话"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <Button
        android:id="@+id/btn_send_msg"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="60dp"
        android:layout_marginTop="20dp"
        android:layout_marginEnd="60dp"
        android:text="发送短信"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/btn_dial_phone" />
</androidx.constraintlayout.widget.ConstraintLayout>

3.MainActivity

package cn.fy.location;

import androidx.appcompat.app.AppCompatActivity;

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

import cn.fy.location.activity.LocationActivity;
import cn.fy.location.activity.SmsActivity;
import cn.fy.location.databinding.ActivityMainBinding;

public class MainActivity extends AppCompatActivity {

    private ActivityMainBinding binding;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //setContentView(R.layout.activity_main);
        binding = ActivityMainBinding.inflate(getLayoutInflater());
        setContentView(binding.getRoot());

        Button btnLocation = binding.btnLocation;
        btnLocation.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent = new Intent(MainActivity.this, LocationActivity.class);
                startActivity(intent);
            }
        });

        Button btnSms = binding.btnSms;
        btnSms.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent = new Intent(MainActivity.this, SmsActivity.class);
                startActivity(intent);
            }
        });
    }
}
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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"
    tools:context=".MainActivity">

    <Button
        android:id="@+id/btn_location"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="60dp"
        android:layout_marginTop="20dp"
        android:layout_marginEnd="60dp"
        android:text="定位"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <Button
        android:id="@+id/btn_sms"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="60dp"
        android:layout_marginTop="20dp"
        android:layout_marginEnd="60dp"
        android:text="短信"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/btn_location" />
</androidx.constraintlayout.widget.ConstraintLayout>

4.AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android">

    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.AppCode">
        <activity
            android:name=".activity.SmsActivity"
            android:exported="false">
            <meta-data
                android:name="android.app.lib_name"
                android:value="" />
        </activity>
        <activity
            android:name=".activity.LocationActivity"
            android:exported="false">
            <meta-data
                android:name="android.app.lib_name"
                android:value="" />
        </activity>
        <activity
            android:name=".MainActivity"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>

            <meta-data
                android:name="android.app.lib_name"
                android:value="" />
        </activity>
    </application>

</manifest>
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