如何从Variabel Android加载字符串Uri

我有一个从listview查看地图列表的应用程序，我为此创建了一个意图，但我不知道如何将纬度（Koordinalintang）和经度（Koordinabujur）添加到这个列表中

stringuri=String.format（Locale.ENGLISH，“地理位置：0,0？q=纬度、经度、地点”

下面是我的示例代码

@Override
public void onCreate(Bundle savedInstanceState)
{
    super.onCreate(savedInstanceState);

    try {

        Bundle b = getIntent().getExtras();

        String koordinatLintang = b.getString("lintang");
        String[] koorlin = koordinatLintang.split(" : ");
        String koordinatBujur = b.getString("bujur");
        String[] koorbuj = koordinatBujur.split(" : ");

        lat = Double.parseDouble(koorlin[1]);
        lng = Double.parseDouble(koorbuj[1]);

        tanggal = b.getString("tanggal");
        jam = b.getString("jam");
        kekuatan = b.getString("kekuatan");
        kedalaman = b.getString("kedalaman");
        wilayah = b.getString("wilayah");

    } catch (Exception e) {}
    String uri = String.format(Locale.ENGLISH, "geo:0,0?q="+"koordinatLintang"+"koordinatBujur"+"Place");
    Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(uri));
    intent.setClassName("com.google.android.apps.maps", "com.google.android.maps.MapsActivity");
    try
    {
        startActivity(intent);
    }
    catch(ActivityNotFoundException ex)
    {
        try
        {
            Intent unrestrictedIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(uri));
            startActivity(unrestrictedIntent);
        }
        catch(ActivityNotFoundException innerEx)
        {
            Toast.makeText(PetaGempaActivity.this, "Please install a maps application", Toast.LENGTH_LONG).show();
        }
    }

删除

Koordinalintang

和

Koordinabujur

的

“

，并添加一些

，

。尝试以下操作：

String uri = String.format(Locale.ENGLISH, "geo:0,0?q="
                    +koordinatLintang
                    +","
                    +koordinatBujur
                    +","
                    +"Place");

正如我发现的：

欲了解更多信息，请访问该链接。希望它对您有所帮助

Uri gmmIntentUri = Uri.parse("geo:37.7749,-122.4194");
Intent mapIntent = new Intent(Intent.ACTION_VIEW, gmmIntentUri);
mapIntent.setPackage("com.google.android.apps.maps");
if (mapIntent.resolveActivity(getPackageManager()) != null) {
    startActivity(mapIntent);
}