public class MainActivity extends AppCompatActivity {

    private Button btn1;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        btn1 = ((Button) findViewById(R.id.btn1));
        final String apply = "com.tencent.mobileqq";
        final String googlePlay = "com.android.vending";
        final String huaweiPlay = "com.huawei.appmarket";
        final String _360Play = "com.qihoo.appstore";

        btn1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                launchAppDetail(apply,googlePlay);
            }
        });

    }

    /**
     * @param appPkg    目標app包名
     * @param marketPkg 商城app包名
     */
    public void launchAppDetail(String appPkg, String marketPkg) {
        if (TextUtils.isEmpty(appPkg)) return;
        Uri uri = Uri.parse("market://details?id=" + appPkg);
        Intent intent = new Intent(Intent.ACTION_VIEW, uri);

        //如果包名為null，或者該移動裝置上沒有該應用商城則系統彈出應用商店由使用者選擇，否則跳轉到對應的商城
        if (!TextUtils.isEmpty(marketPkg)&&isPkgInstalled(marketPkg) != null){
            intent.setPackage(marketPkg);
        }
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        startActivity(intent);
    }

    /**
     * @param pkgName 應用商城
     * @return 判斷裝置上是否存在該應用商城
     */
    private PackageInfo isPkgInstalled(String pkgName) {
        PackageInfo packageInfo = null;
        try {
            packageInfo = getPackageManager().getPackageInfo(pkgName, 0);
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
        return packageInfo;
    }
}