示例#1
0
  @TargetApi(Build.VERSION_CODES.LOLLIPOP)
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);

    FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
    fab.setOnClickListener(
        new View.OnClickListener() {
          @Override
          public void onClick(View view) {
            Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                .setAction("Action", null)
                .show();
          }
        });

    fab.postDelayed(
        new Runnable() {
          @Override
          public void run() {
            checkPreload();
          }
        },
        1000);
  }