我正在编写此代码,它显示错误非静态方法 GoogleApiAvailability.isGooglePlayServicesAvailable(Context context) 和 GoogleApiAvailability.getErrorDialog (Activity Activity, int errorCode, int requestCode) 无法从静态上下文引用。
package com.xamarin.gcmexample;
import android.app.Dialog;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.common.GoogleApiAvailability;
import android.util.Log;
import android.widget.TextView;
public class Main extends AppCompatActivity {
TextView msgText;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
msgText = (TextView) findViewById(R.id.msgText);
}
protected void IsPlayServicesAvailable ()
{
int resultCode = GoogleApiAvailability.isGooglePlayServicesAvailable(this);
if (resultCode == ConnectionResult.SUCCESS){
msgText.setText("isGooglePlayServicesAvailable SUCCESS");
}else{
GoogleApiAvailability.getErrorDialog(this, resultCode, 1).show();
}
}
}
努尔兰已经指出了正确的答案。
替换你的方法
protected void IsPlayServicesAvailable() {
int resultCode = GoogleApiAvailability.isGooglePlayServicesAvailable(this);
if (resultCode == ConnectionResult.SUCCESS){
msgText.setText("isGooglePlayServicesAvailable SUCCESS");
} else {
GoogleApiAvailability.getErrorDialog(this, resultCode, 1).show();
}
}
by
protected void IsPlayServicesAvailable() {
int resultCode = GoogleApiAvailability.getInstance().isGooglePlayServicesAvailable(this);
if (resultCode == ConnectionResult.SUCCESS){
msgText.setText("isGooglePlayServicesAvailable SUCCESS");
} else {
GoogleApiAvailability.getInstance().getErrorDialog(this, resultCode, 1).show();
}
}
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