我正在尝试使用列表视图按钮打开活动。这段代码没有错误,但活动没有打开。我尽可能地在整个Google上进行搜索,但没有任何帮助。

这是MainActivity

public class MainActivity extends AppCompatActivity {

    private static final String TAG = "MainActivity";
    private ListView listView;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.listview_layout);
        listView = (ListView)findViewById(R.id.listView);


        final ArrayList<Card> list = new ArrayList<>();
        list.add(new com.enteruki.deeprelaxation.Card("drawable://"+R.drawable.uki,"Test one"));
        list.add(new com.enteruki.deeprelaxation.Card("drawable://"+R.drawable.beach1,"Beach"));
        list.add(new com.enteruki.deeprelaxation.Card("drawable://"+R.drawable.bonfire,"Bon Fire"));
        list.add(new com.enteruki.deeprelaxation.Card("drawable://"+R.drawable.forests1,"Forest"));
        list.add(new com.enteruki.deeprelaxation.Card("drawable://"+R.drawable.frogs,"Frogs"));
        list.add(new com.enteruki.deeprelaxation.Card("drawable://"+R.drawable.heavyrain,"Heavy Rain"));
        list.add(new com.enteruki.deeprelaxation.Card("drawable://"+R.drawable.insects,"Insects"));
        list.add(new com.enteruki.deeprelaxation.Card("drawable://"+R.drawable.lightning,"Lightning"));
        list.add(new com.enteruki.deeprelaxation.Card("drawable://"+R.drawable.underwater,"Under Water"));
        list.add(new com.enteruki.deeprelaxation.Card("drawable://"+R.drawable.windstrome,"Wind Storme"));

        CustomListAdapter adapter = new CustomListAdapter(this,R.layout.activity_main,list);
        listView.setAdapter(adapter);
        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                if (position==0){
                        Intent intent = new Intent(view.getContext(), TestoneActivity.class);
                        startActivityForResult(intent,0);
                }
                else if (position == 1)
                {
                    Intent intent = new Intent(view.getContext(),BeachActivity.class);
                    startActivityForResult(intent,1);
                }
            }
        });

    }
}

最佳答案

您应该使用“活动”上下文创建意图。因此,您需要更改以下内容:

Intent intent = new Intent(view.getContext(), TestoneActivity.class);
startActivityForResult(intent,0);


至:

Intent intent = new Intent(MainActivity.this, TestoneActivity.class);
startActivityForResult(intent,0);

10-07 19:26
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