如何在運行時請求位置權限
在您的程式碼中，您正確檢查位置權限並處理沒有權限的情況的確。但是，要在運行時實際請求權限，您需要使用 ActivityCompat.requestPermissions。
這是更正後的 MainActivity：
public class MainActivity extends AppCompatActivity implements LocationListener {
// ... (rest of your code)
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED ||
ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION}, PERMISSION_REQUEST_CODE);
} else {
// Permissions already granted
// ...
}
}
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == PERMISSION_REQUEST_CODE) {
if (grantResults[0] == PackageManager.PERMISSION_GRANTED && grantResults[1] == PackageManager.PERMISSION_GRANTED) {
// Permissions granted
// ...
} else {
// Permissions denied
// ...
}
}
}
// ... (rest of your code)
}其中 PERMISSION_REQUEST_CODE 是一個整數常數，您可以定義以輕鬆引用權限請求。
附加註意事項
<manifest ...>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
</manifest>以上是如何在Android中請求運行時位置權限？的詳細內容。更多資訊請關注PHP中文網其他相關文章！
