Android:startActivityForResult不显示/显示子活动?
问题描述:
我试图使用startActivityForResult()启动一个活动,然后显示出来,并且保存在子活动的任何更改后返回到主活动。我看到人们无法从子活动中获得结果的问题。但是,我甚至无法展示我的子活动。Android:startActivityForResult不显示/显示子活动?
我检查了异常。没有什么,我的班级也在Manifest文件中注册/存在。
下面是我的代码文件。
主营:
package com.connectionmanager.app;
import android.app.Activity;
import android.app.Dialog;
import android.content.ContentValues;
import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
public class CMapp extends Activity implements OnClickListener
{
protected void onActivityResult (int requestCode, int resultCode, Intent data)
{
Log.v("Hello","From onActivityResult");
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//Some code
// Bring up a new activity for result
Intent appSetup = new Intent(CMapp.this, AppSetup.class);
try
{
startActivityForResult(appSetup, 0);
}
catch (Exception e)
{
Log.v("Hello","Exception E:" + e.toString());
}
/*@Override*/
public void onClick(DialogInterface arg0, int arg1)
{
// TODO Auto-generated method stub
if(arg1 == -1)
{
//Some code
}
else
{
finish();
}
}
}
AppSetup
package com.connectionmanager.app;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
public class AppSetup extends Activity implements OnClickListener
{
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.app_setup);
Log.v("Hello","Bringing up application setup Dialog box");
//Set up buttons
Button btnSave = (Button) findViewById(R.id.ButtonSave);
Button btnContinue = (Button) findViewById(R.id.ButtonContinue);
btnSave.setOnClickListener(this);
btnContinue.setOnClickListener(this);
}
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
if(arg0.getId() == (R.id.ButtonSave))
{
this.finish();
}
}
}
这是原因的一部分,我有一个代码在我调用它之后运行,因此它正在执行而不停止。感谢帮助。 – skaneria 2011-05-13 16:22:27