Application申請權限

public class MyApplication extends Application {


    @Override
    public void onCreate() {
        super.onCreate();
        System.out.println("==========:"+sHA1(this));
		//判斷應用目前是否有如下定位權限,如果沒有則向手機請求權限
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION)
                != PackageManager.PERMISSION_GRANTED
                || ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION)
                != PackageManager.PERMISSION_GRANTED)
        {


            ActivityCompat.requestPermissions(new AddressLocationActivity(),
                    new String[]{Manifest.permission.ACCESS_COARSE_LOCATION,
                            Manifest.permission.ACCESS_FINE_LOCATION},
                    MY_PERMISSIONS_LOCATION);
        }


    }
    public static String sHA1(Context context) {
        try {
            PackageInfo info = context.getPackageManager().getPackageInfo(
                    context.getPackageName(), PackageManager.GET_SIGNATURES);
            byte[] cert = info.signatures[0].toByteArray();
            MessageDigest md = MessageDigest.getInstance("SHA1");
            byte[] publicKey = md.digest(cert);
            StringBuffer hexString = new StringBuffer();
            for (int i = 0; i < publicKey.length; i++) {
                String appendString = Integer.toHexString(0xFF & publicKey[i])
                        .toUpperCase(Locale.US);
                if (appendString.length() == 1)
                    hexString.append("0");
                hexString.append(appendString);
                hexString.append(":");
            }
            String result = hexString.toString();
            return result.substring(0, result.length()-1);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }
}