我目前正在为大学建立一个计步器应用程序。我最近实现了 OAuth 屏幕，它（在许多错误之后）终于可以工作了。
今晚我继续下一步添加视觉计步器，但是，当我构建并运行我的代码时，OAuth 屏幕不再出现？我今天根本没有接触连接页面，只是创建了一个带有可视计步器的新 Java 类。
我真的很想知道为什么这不再显示，感谢任何帮助！
更新：我添加了一些捕捉点来找出我的代码出错的地方（因为没有显示错误）。我已将其范围缩小到函数authInProgress中的方法onCreate。不知道这意味着什么，因为这对我来说有点新鲜。指纹和 OAuth 同意都与 Firebase 一起正确设置。
这是我的连接类：
package com.example.example;
import android.content.Intent;
import android.content.IntentSender;
import android.os.Bundle;
import android.os.PersistableBundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.Scopes;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.common.api.ResultCallback;
import com.google.android.gms.common.api.Scope;
import com.google.android.gms.common.api.Status;
import com.google.android.gms.fitness.Fitness;
import com.google.android.gms.fitness.data.DataPoint;
import com.google.android.gms.fitness.data.DataSource;
import com.google.android.gms.fitness.data.DataType;
import com.google.android.gms.fitness.data.Field;
import com.google.android.gms.fitness.data.Value;
import com.google.android.gms.fitness.request.DataSourcesRequest;
import com.google.android.gms.fitness.request.OnDataPointListener;
import com.google.android.gms.fitness.request.SensorRequest;
import com.google.android.gms.fitness.result.DataSourcesResult;
import java.util.concurrent.TimeUnit;
public class ConnectTrackerFirst extends AppCompatActivity implements OnDataPointListener,
GoogleApiClient.ConnectionCallbacks,
GoogleApiClient.OnConnectionFailedListener {
private static final int REQUEST_OAUTH = 1;
private static final String AUTH_PENDING = "auth_state_pending";
private boolean authInProgress = false;
private GoogleApiClient mApiClient;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.connect_tracker_first);
// failing here
if (savedInstanceState != null) {
authInProgress = savedInstanceState.getBoolean(AUTH_PENDING);
}
mApiClient = new GoogleApiClient.Builder(this)
.addApi(Fitness.SENSORS_API)
.addScope(new Scope(Scopes.FITNESS_ACTIVITY_READ_WRITE))
.addConnectionCallbacks(this).addOnConnectionFailedListener(this)
.build();
}
@Override
protected void onStart() {
super.onStart();
mApiClient.connect();
}
@Override
public void onConnected(@Nullable Bundle bundle) {
DataSourcesRequest dataSourcesRequest = new DataSourcesRequest.Builder()
.setDataTypes(DataType.TYPE_STEP_COUNT_CUMULATIVE)
.setDataSourceTypes(DataSource.TYPE_RAW)
.build();
ResultCallback<DataSourcesResult> dataSourcesResultResultCallback = new ResultCallback<DataSourcesResult>() {
@Override
public void onResult(@NonNull DataSourcesResult dataSourcesResult) {
for (DataSource dataSource : dataSourcesResult.getDataSources()) {
if (DataType.TYPE_STEP_COUNT_CUMULATIVE.equals(dataSource.getDataType())) {
registerFitnessDataListener(dataSource, DataType.TYPE_STEP_COUNT_CUMULATIVE);
}
}
}
};
Fitness.SensorsApi.findDataSources(mApiClient, dataSourcesRequest).setResultCallback(dataSourcesResultResultCallback);
}
@Override
public void onConnectionSuspended(int i) {
}
@Override
public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {
if (!authInProgress) {
try {
authInProgress = true;
connectionResult.startResolutionForResult(ConnectTrackerFirst.this, REQUEST_OAUTH);
} catch (IntentSender.SendIntentException e) {
}
} else {
Log.e("GoogleFit", "AuthInProgress");
}
}
@Override
public void onDataPoint(DataPoint dataPoint) {
for (final Field field : dataPoint.getDataType().getFields()) {
final Value value = dataPoint.getValue(field);
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(getApplicationContext(), "Field" + field.getName() + "Value:" + value, Toast.LENGTH_SHORT).show();
}
});
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == REQUEST_OAUTH) {
authInProgress = false;
if (resultCode == RESULT_OK) {
if (!mApiClient.isConnecting() && !mApiClient.isConnected()) {
mApiClient.connect();
}
} else if (resultCode == RESULT_CANCELED) {
Log.e("GoogleFit", "RESULT_CANCELED");
}
} else {
Log.e("GoogleFit", "requestCode NOT request_oauth");
}
super.onActivityResult(requestCode, resultCode, data);
}
private void registerFitnessDataListener(DataSource dataSource, DataType dataType) {
SensorRequest request = new SensorRequest.Builder()
.setDataSource(dataSource)
.setDataType(dataType)
.setSamplingRate(3, TimeUnit.SECONDS)
.build();
Fitness.SensorsApi.add(mApiClient, request, this)
.setResultCallback(new ResultCallback<Status>() {
@Override
public void onResult(@NonNull Status status) {
if (status.isSuccess()) {
Log.e("GoogleFit", "SensorApi succesfully added");
}
}
});
}
@Override
protected void onStop() {
super.onStop();
Fitness.SensorsApi.remove(mApiClient, this)
.setResultCallback(new ResultCallback<Status>() {
@Override
public void onResult(@NonNull Status status) {
if (status.isSuccess()) {
mApiClient.disconnect();
}
}
});
}
@Override
public void onSaveInstanceState(Bundle outState, PersistableBundle outPersistentState) {
super.onSaveInstanceState(outState, outPersistentState);
outState.putBoolean(AUTH_PENDING, authInProgress);
}
}
还有我的视觉计数器类：
package com.example.example;
import android.content.Context;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.view.WindowManager;
import android.widget.TextView;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;
public class DogActivity extends AppCompatActivity implements SensorEventListener {
private TextView textViewStepCounter, textViewStepDetector;
private SensorManager sensorManager;
private Sensor mStepCounter;
private boolean isCounterSensorPresent;
int stepCount = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.dog_activity);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
textViewStepCounter = findViewById(R.id.textViewStepCounter);
textViewStepDetector = findViewById(R.id.textViewStepDetector);
sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
if (sensorManager.getDefaultSensor(Sensor.TYPE_STEP_COUNTER) != null) {
mStepCounter = sensorManager.getDefaultSensor(Sensor.TYPE_STEP_COUNTER);
isCounterSensorPresent = true;
} else {
textViewStepCounter.setText("Counter sensor is not present on this device.");
isCounterSensorPresent = false;
}
}
@Override
public void onSensorChanged(SensorEvent sensorEvent) {
if (sensorEvent.sensor == mStepCounter) {
stepCount = (int) sensorEvent.values[0];
textViewStepCounter.setText(String.valueOf(stepCount));
}
}
@Override
public void onAccuracyChanged(Sensor sensor, int accuracy) {
}
@Override
protected void onResume() {
super.onResume();
if (sensorManager.getDefaultSensor(Sensor.TYPE_STEP_COUNTER) != null) {
sensorManager.registerListener(this, mStepCounter, SensorManager.SENSOR_DELAY_NORMAL);
}
}
@Override
protected void onPause() {
super.onPause();
if (sensorManager.getDefaultSensor(Sensor.TYPE_STEP_COUNTER) != null) {
sensorManager.unregisterListener(this, mStepCounter);
}
}
}