java - 如何在重写 Activity 的方法之一的同时启动 Activity？

Question

我有两个类，它们都扩展了 Activity。

MainActivity.java

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        LinearLayout activityLayout = new LinearLayout(this);
        LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
                LinearLayout.LayoutParams.MATCH_PARENT,
                LinearLayout.LayoutParams.MATCH_PARENT);
        activityLayout.setLayoutParams(lp);
        activityLayout.setOrientation(LinearLayout.VERTICAL);
        activityLayout.setPadding(16, 16, 16, 16);
        activityLayout.addView(new Button(this));
        setContentView(activityLayout);

        new Permissions() {
            @Override
            public void onPermissionRefused() {
                Toast.makeText(getBaseContext(), "Refused", Toast.LENGTH_SHORT).show();
            }
        }.requestPermissions(this);
    }
}

权限.java

public class Permissions extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        setTheme(R.style.AppTheme_Dialog); // Custom theme to make Activity like a Dialog
        super.onCreate(savedInstanceState);
        onPermissionRefused();
    }

    public void requestPermissions(Activity activity, String... permissions) {
        startActivity(new Intent(activity, Permissions.class));
    }

    public void onPermissionRefused() {

    }
}

我想要做的是启动Permissions Activity，同时覆盖它的onPermissionRefused()方法。然而，我尝试过的两种方法都不起作用。

new Permissions() {
            @Override
            public void onPermissionRefused() {
                Toast.makeText(getBaseContext(), "Refused", Toast.LENGTH_SHORT).show();
            }
        }.requestPermissions(this);

不传递覆盖并用以下代码交换该代码: startActivity(new Intent(this, Permissions.class)); 甚至不允许我覆盖该方法。我怎样才能实现这个目标？

Answer 1

第1步.创建Permissions的子类

class MyPermissionsActivity extends Permissions {
            @Override
            public void onPermissionRefused() {
                Toast.makeText(getBaseContext(), "Refused", Toast.LENGTH_SHORT).show();
            }

}

第 2 步:在应用程序 list 中声明该子类

第 3 步:按如下方式启动 Activity :

Intent i = new Intent(context, MyPermissionsActivity.class);
currentActivity.startActivity(i);