android Toastを上げるサンプル

Toast.makeText(
        this,
        "Build.DEVICE=" + Build.DEVICE + ":" + "Build.VERSION.SDK_INT="
                + Build.VERSION.SDK_INT,
        android.widget.Toast.LENGTH_LONG).show();
Intent intent = new Intent();
intent.setClassName("com.google.android.gsf", "com.google.android.gsf.gtalkservice.diagnostics.GTalkDiagnostics");
startActivity(intent);