Android正在等待另一个活动结果-它没有';行不通
如何在android中等待另一个活动结果。 我已经编写了以下代码,但在活动完成后,它总是转到onCreate()方法 我有选项卡活动。从一个选项卡活动中,我调用了另一个活动,即弹出窗口……在完成弹出窗口后,它应该返回到上一个活动Android正在等待另一个活动结果-它没有';行不通,android,Android,如何在android中等待另一个活动结果。 我已经编写了以下代码,但在活动完成后,它总是转到onCreate()方法 我有选项卡活动。从一个选项卡活动中,我调用了另一个活动,即弹出窗口……在完成弹出窗口后,它应该返回到上一个活动 @Override protected void onListItemClick(ListView l, View v, int position, long id) { super.onListItemClick(l, v, position, id);
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
super.onListItemClick(l, v, position, id);
Object o = this.getListAdapter().getItem(position);
keyword = o.toString();
positions = position;
if(position != 0 ){
Bundle bundle = new Bundle();
Intent showContent = new Intent(getApplicationContext(),SalesRouteDevitionActivity.class);
int postion = position;
String aString = Integer.toString(postion);
bundle.putString("positon", aString);
showContent.putExtras(bundle);
startActivityForResult(showContent,0);
}else{
Intent intent = new Intent(SalesRouteActivity.this, ListRetailerActivity.class);
Bundle bundle = new Bundle();
bundle.putString("RouteName", keyword);
intent.putExtras(bundle);
View view = SalesActivityGroup.group.getLocalActivityManager().startActivity("", intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)).getDecorView();
SalesActivityGroup.group.replaceView(view);
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
Log.w("onActivityResult" ," --requestCode ---" + requestCode + " -- resultCode -- " + resultCode + " -- data --" + data);
if(resultCode==0){
Toast.makeText(this, "Reason has been successfully.", Toast.LENGTH_LONG).show();
if(resultCode==RESULT_OK)
Toast.makeText(this, "Reason has been successfully.", Toast.LENGTH_LONG).show();
else
Toast.makeText(this, "Fail", Toast.LENGTH_LONG).show();
}
}
和SalesRoutedActivity.class
public class SalesRouteDevitionActivity extends Activity {
private String array_spinner[];
String param1 = "";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.route_diviation_popup);
array_spinner=new String[2];
array_spinner[0]="Rain";
array_spinner[1]="Floods";
Spinner s = (Spinner) findViewById(R.id.spinner1);
ArrayAdapter adapter = new ArrayAdapter(this, android.R.layout.simple_spinner_dropdown_item, array_spinner);
s.setAdapter(adapter);
Button button = (Button) findViewById(R.id.submit);
button.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
Intent mIntent = new Intent();
setResult(RESULT_OK);
finish();
}
});
}
}
这是我的选项卡活动。我正在使用ActivityGroup
public class MainActivity extends TabActivity {
int selectedTab;
TabHost tabHost ;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.tabview);
TabHost t = getTabHost();
tabHost = (TabHost)findViewById(android.R.id.tabhost);
TabSpec firstTabSpec = tabHost.newTabSpec("tid1");
TabSpec secondTabSpec = tabHost.newTabSpec("tid1");
TabSpec thirdTabSpec = tabHost.newTabSpec("tid1");
/** TabSpec setIndicator() is used to set name for the tab. */
/** TabSpec setContent() is used to set content for a particular tab. */
firstTabSpec.setIndicator("Sales").setContent(new Intent(this,SalesActivityGroup.class));
secondTabSpec.setIndicator("Admin").setContent(new Intent(this,SettingActivityGroup.class));
thirdTabSpec.setIndicator("Setting").setContent(new Intent(this,SettingActivityGroup.class));
tabHost.addTab(firstTabSpec);
tabHost.addTab(secondTabSpec);
tabHost.addTab(thirdTabSpec);
tabHost.setCurrentTab(0);
tabHost.setMinimumHeight(25);
}
public void onTabChanged(String arg0) {
selectedTab = tabHost.getCurrentTab();
}
这是SalesActivityGroup.java
public class SalesActivityGroup extends ActivityGroup {
public static SalesActivityGroup group;
private ArrayList<View> history;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.history = new ArrayList<View>();
group = this;
View view = getLocalActivityManager().startActivity("Sales",
new Intent(this, SalesRouteActivity.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP))
.getDecorView();
replaceView(view);
}
public void replaceView(View v) {
history.add(v);
setContentView(v);
}
public void back() {
if (history.size() > 0) {
history.remove(history.size() - 1);
if (history.size() > 0) {
setContentView(history.get(history.size() - 1));
} else {
finish();
}
} else {
finish();
}
}
@Override
public void onBackPressed() {
SalesActivityGroup.group.back();
return;
}
公共类SalesActivityGroup扩展ActivityGroup{
公共静态销售活动组;
私家侦探史;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
this.history=new ArrayList();
组=此;
View=getLocalActivityManager().startActivity(“销售”,
新意图(这是SalesRouteActivity.class)。添加标志(意图。标志\活动\清除\顶部))
.getDecorView();
替换视图(视图);
}
公共视图(视图v){
历史。添加(v);
setContentView(v);
}
公众退票(){
if(history.size()>0){
history.remove(history.size()-1);
if(history.size()>0){
setContentView(history.get(history.size()-1));
}否则{
完成();
}
}否则{
完成();
}
}
@凌驾
public void onBackPressed(){
SalesActivityGroup.group.back();
返回;
}
}
我知道这是我们应该做的,但我真的不知道为什么我的角色不工作
我没有使用onActivityResult()方法&它也没有打印Log
请帮帮我
提前感谢Android中没有控制台。因此,
System.out.println
无法工作。出于调试目的,您可以使用LogCat
您不需要打电话
super.onActivityResult(requestCode, resultCode, data);
当您处理ActivityResult时
将System.out.println替换为Log.i删除startActivity(showContent)代码>来自SalesRoutedEventActivity.class
编辑:
Intent resultIntent = new Intent();
setResult(Activity.RESULT_OK, resultIntent);
finish();
替换这个
if(resultCode==0)
用这个
if(requestCode==0)
如果您使用的是tab ActivityGroup,则应如下使用:
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if(requestCode ==1){
Bundle bundle = data.getExtras();
String roteCode = bundle.getString("RouteCode");
Intent intent = new Intent(SalesActivityGroup.this,ListRetailerActivity.class);
bundle.putString("RouteCode", roteCode);
intent.putExtras(bundle);
View view = SalesActivityGroup.group.getLocalActivityManager().startActivity("",intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)).getDecorView();
SalesActivityGroup.group.replaceView(view);
}
}
呼叫活动:
Intent showContent = new Intent(botton.getContext(),RetailerOrderEActivity.class);
getParent().startActivityForResult(showContent, 2);
考虑一下getParent()
,如果它是Tab activityGroup,那么就这样调用它
儿童活动:
Intent i = new Intent();
Bundle bundle = new Bundle();
i.putExtras(bundle);
setResult(Activity.RESULT_OK, i);
finish();
完成后,将转到ActivityGroup类:
你可以这样打电话:
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if(requestCode ==1){
Bundle bundle = data.getExtras();
String roteCode = bundle.getString("RouteCode");
Intent intent = new Intent(SalesActivityGroup.this,ListRetailerActivity.class);
bundle.putString("RouteCode", roteCode);
intent.putExtras(bundle);
View view = SalesActivityGroup.group.getLocalActivityManager().startActivity("",intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)).getDecorView();
SalesActivityGroup.group.replaceView(view);
}
}
没有。我也尝试过这个方法。我没有使用activityResult()方法,我对那个部分进行了注释。即使没有使用这个方法,请将这个if(resultCode==RESULT\u OK)
更改为if(resultCode==Activity.RESULT\u OK)
也将`if(resultCode==0)`更改为`if(requestCode==0)`@naggeeranpiraba让我们删除super.onActivityResult(requestCode、resultCode、data);从该方法中,我对该部分进行了注释。即使没有进入该位置,您是否看到Log.w的第一行?没有。我没有看到Log out put。我认为它是go to oncreate()方法。您是否对每个选项卡中的活动使用intent?我从这里得到了解决方案@sparkymatSystem.out.println
在日志中可见。i@Pied派珀,我不知道,谢谢!