Question

在创建我的应用程序时，我遇到了一个问题，在更改为第二个活动后，我似乎无法更改为第三个。我已经尝试将函数一直修改为简单的活动调用;但是我仍然遇到问题，我可以点击模拟器中的按钮，但没有任何反应。想法？

爪哇：

$('#test').on("click",function(e){
    window.open("getEmployeeInstructions.php", 'download1'); 
    window.open("getMergedEmployeeReports.php", 'download2');
    window.open("getQualityHandbook.php", 'download3');
    window.open("getEquipmentReport.php", 'download4');   
    return false;
});

XML：

public class NewGameActivity extends AppCompatActivity {

    public Spinner players, bestOf;
    public Button startButton;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_new_game);

        players = (Spinner) findViewById(R.id.players);
            Integer[] items1 = new Integer[]{2,3,4,5,6,7,8,9,10};
            ArrayAdapter<Integer> adapter1 = new ArrayAdapter<>(this,android.R.layout.simple_spinner_item, items1);
            players.setAdapter(adapter1);

        bestOf = (Spinner) findViewById(R.id.bestOf);
            Integer[] items2 = new Integer[]{1,3,5,7,9,11,13,15,17,19,21,23,25};
            ArrayAdapter<Integer> adapter2 = new ArrayAdapter<>(this,android.R.layout.simple_spinner_item, items2);
            bestOf.setAdapter(adapter2);

        startButton =(Button)findViewById(R.id.startButton);

        startButton.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {

            }
        });
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_new_game, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    public void sendMessageStart(View view) {
        int playerNum = Integer.valueOf(players.getSelectedItem().toString());
        int games = Integer.valueOf(bestOf.getSelectedItem().toString());

        RadioGroup group;
        group = (RadioGroup) findViewById(R.id.group);

        int selectedId = group.getCheckedRadioButtonId();

        Bundle bundle = new Bundle();
        bundle.putInt("players", playerNum);
        bundle.putInt("games", games);

        if (selectedId == 0) {
            Intent intent = new Intent(this, ThreeSignGameActivity.class);
            intent.putExtras(bundle);
            startActivity(intent);
        }
        else {
            Intent intent = new Intent(this, FiveSignGameActivity.class);
            intent.putExtras(bundle);
            startActivity(intent);
        }

    }
}

Answer 1

XML包含android:onClick="sendMessageStart"，您已在其方法sendMessageStart中实现了逻辑，并且您还获得了Button对象并为Button设置了一个侦听器。 /> startButton =(Button)findViewById(R.id.startButton);

尝试删除此代码

    startButton.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {

        }
    });

Android Studio中的新活动无法启动

1 个答案: