[英]save data in firestore firebase from android app
我开发了一个简单的应用程序,在按下按钮后向我显示设备的 imei 和经纬度。 现在,我想将这些数据(lat、long、imei)保存在 firestore 中,并且我有一些理解问题,我应该在何处以及如何将这些数据保存到 firestore 中。
我无法提供我所做工作的背景,因为我对应该编码的内容有理解问题。
package com.example.locatieimei;
import android.Manifest;
import android.content.Context;
import android.content.pm.PackageManager;
import android.location.Location;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.telephony.TelephonyManager;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import com.google.android.gms.location.FusedLocationProviderClient;
import com.google.android.gms.location.LocationServices;
import com.google.android.gms.tasks.OnSuccessListener;
import org.w3c.dom.Text;
public class MainActivity extends AppCompatActivity {
private FusedLocationProviderClient client;
private TextView imei;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
imei = findViewById(R.id.imei);
loadIMEI();
client = LocationServices.getFusedLocationProviderClient(this);
Button button = findViewById(R.id.Chk);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (ActivityCompat.checkSelfPermission(MainActivity.this,
Manifest.permission.ACCESS_FINE_LOCATION) !=
PackageManager.PERMISSION_GRANTED &&
ActivityCompat.checkSelfPermission(MainActivity.this,
Manifest.permission.ACCESS_COARSE_LOCATION) !=
PackageManager.PERMISSION_GRANTED) {
// TODO: Consider calling
// ActivityCompat#requestPermissions
// here to request the missing permissions, and then
overriding
// public void onRequestPermissionsResult(int
requestCode, String[] permissions,
// int[]
grantResults)
// to handle the case where the user grants the
permission. See the documentation
// for ActivityCompat#requestPermissions for more details.
return;
}
client.getLastLocation().addOnSuccessListener(new
OnSuccessListener<Location>() {
@Override
public void onSuccess(Location location) {
if (location!=null){
TextView textView = findViewById(R.id.textView);
Double longitude = location.getLongitude();
Double latitude = location.getLatitude();
textView.setText(String.valueOf("latitudine"+longitude+
"\n"+"longitutine"+latitude));
}
}
});
}
});
}
public void loadIMEI() {
// Check if the READ_PHONE_STATE permission is already available.
if (ActivityCompat.checkSelfPermission(this,
Manifest.permission.READ_PHONE_STATE)
!= PackageManager.PERMISSION_GRANTED) {
if (ActivityCompat.shouldShowRequestPermissionRationale(this,
Manifest.permission.READ_PHONE_STATE)) {
// get_imei_data();
} else {
ActivityCompat.requestPermissions(this, new String[]
{Manifest.permission.READ_PHONE_STATE},
MY_PERMISSIONS_REQUEST_READ_PHONE_STATE);
}
} else {
TelephonyManager mngr =
(TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);
IMEI = mngr.getDeviceId();
imei.setText(mngr.getDeviceId());
// READ_PHONE_STATE permission is already been granted.
}
}
private String device_unique_id;
private static String IMEI;
private static final int MY_PERMISSIONS_REQUEST_READ_PHONE_STATE = 0;
}
当我尝试从 android 添加实时数据库时出现一些错误
ERROR: Manifest merger failed : Attribute application@appComponentFactory value=(android.support.v4.app.CoreComponentFactory) from [com.android.support:support-compat:28.0.0] AndroidManifest.xml:22:18-91
is also present at [androidx.core:core:1.0.0] AndroidManifest.xml:22:18-86 value=(androidx.core.app.CoreComponentFactory).
Suggestion: add 'tools:replace="android:appComponentFactory"' to <application> element at AndroidManifest.xml:10:5-24:19 to override.
我遇到了同样的问题,您需要将您的项目迁移到 androidx,请查看此参考资料,他将指导如何执行此操作。 https://developer.android.com/jetpack/androidx/migrate
单击菜单中的重构 > 迁移到 AndroidX 。
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