Java onActivityResult似乎不起作用
MainActivity.java-主类Java onActivityResult似乎不起作用,java,android,android-intent,Java,Android,Android Intent,MainActivity.java-主类 public class MainActivity extends AppCompatActivity implements View.OnClickListener { private ImageView ClockButton; private LinearLayout linearLayout; private TextView[] textViews; private int hours; privat
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
private ImageView ClockButton;
private LinearLayout linearLayout;
private TextView[] textViews;
private int hours;
private int minutes;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textViews=new TextView[20];
linearLayout=(LinearLayout)findViewById(R.id.LinearLayout1);
ClockButton=(ImageView)findViewById(R.id.ClockIconButton);
ClockButton.setOnClickListener(this);
}
public void onChangeContentView()
{
Intent intent = new Intent(this, MainActivity2.class);
this.startActivityForResult(intent,1);
}
@Override
public void onClick(View v) {
onChangeContentView();
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
Toast.makeText(getApplicationContext(),"test",Toast.LENGTH_SHORT).show();//test
hours=Integer.parseInt(data.getStringExtra("H"));
minutes=Integer.parseInt(data.getStringExtra("M"));
for(int i=0;i<textViews.length;i++)
{
if(textViews[i]==null)
{
textViews[i].setText(hours+" : "+minutes);
linearLayout.addView(textViews[i]);
break;
}
}
}
}
我试着把它修好了。没问题,但是我看不到在我的主类中的onActivityResult()
中调用的Toast
。(Toast.makeText(getApplicationContext(),“test”,Toast.LENGTH\u SHORT.show();
)
我错过了什么?int RESULT\u OK
标准活动结果:操作成功
常量值:-1(0xffffffff)
这样做:
setResult(RESULT_OK);
你能把你的舱单寄出去吗?您的代码是否也转到了
main活动2
?类抱歉,我无法在问题中编写XML文件您是否在清单中有android:noHistory=“false”
?我将setResult(1,intent)替换为setResult(RESULT\u OK),但它不是show me Toast.make().show()我该怎么做?以及setResult(RESULT\u OK,intent);
setResult(RESULT_OK);