我的应用在使用Intent从另一个活动启动导航栏活动时崩溃。
我有一个名为guestLog的按钮，它必须启动导航栏活动。但是点击按钮后，应用程序就会强行关闭。
我对Navigationbar活动很新。有人可以告诉我，我在这里犯了什么错误吗？
Logcat：
10-08 09:28:47.602 4195-4195/com.grs.raja.collegeapp D/AndroidRuntime: Shutting down VM
10-08 09:28:47.603 4195-4195/com.grs.raja.collegeapp E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.grs.raja.collegeapp, PID: 4195
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.grs.raja.collegeapp/com.grs.raja.college.GuestPage}: java.lang.IllegalArgumentException: No view found for id 0x7f0d00a9 (com.grs.raja.collegeapp:id/first_container) for fragment Fragment{85424fa #0 id=0x7f0d00a9}
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2646)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2707)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1460)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6077)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:866)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:756)
Caused by: java.lang.IllegalArgumentException: No view found for id 0x7f0d00a9 (com.grs.raja.collegeapp:id/first_container) for fragment Fragment{85424fa #0 id=0x7f0d00a9}
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1293)
at android.support.v4.app.FragmentManagerImpl.moveFragmentToExpectedState(FragmentManager.java:1528)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1595)
at android.support.v4.app.BackStackRecord.executeOps(BackStackRecord.java:758)
at android.support.v4.app.FragmentManagerImpl.executeOps(FragmentManager.java:2363)
at android.support.v4.app.FragmentManagerImpl.executeOpsTogether(FragmentManager.java:2149)
at android.support.v4.app.FragmentManagerImpl.optimizeAndExecuteOps(FragmentManager.java:2103)
at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:2013)
at android.support.v4.app.FragmentController.execPendingActions(FragmentController.java:388)
at android.support.v4.app.FragmentActivity.onStart(FragmentActivity.java:607)
at android.support.v7.app.AppCompatActivity.onStart(AppCompatActivity.java:178)
at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1248)
at android.app.Activity.performStart(Activity.java:6679)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2609)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2707)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1460)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6077)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:866)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:756)
10-08 09:28:47.604 1656-2396/system_process W/ActivityManager: Force finishing activity com.grs.raja.collegeapp/com.grs.raja.college.GuestPage
10-08 09:28:47.607 1656-2396/system_process W/ActivityManager: Force finishing activity com.grs.raja.collegeapp/com.grs.raja.college.ActivityOne
我的导航栏活动：（GuestPage.java）
package com.grs.raja.college;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v4.app.FragmentManager;
import android.view.View;
import android.support.design.widget.NavigationView;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
public class GuestPage extends AppCompatActivity
implements NavigationView.OnNavigationItemSelectedListener {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_guest_page);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.setDrawerListener(toggle);
toggle.syncState();
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
FragmentManager fragmentManager = getSupportFragmentManager();
fragmentManager.beginTransaction().replace(R.id.first_container, new android.support.v4.app.Fragment()).commit();
/*View parentLayout = findViewById(android.R.id.content);
Snackbar.make(parentLayout, "You are viewing as a Guest.", Snackbar.LENGTH_LONG)
.setAction("CLOSE", new View.OnClickListener() {
@Override
public void onClick(View view) {
}
})
.setActionTextColor(getResources().getColor(android.R.color.holo_red_light ))
.show(); */
}
@Override
public void onBackPressed() {
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
if (drawer.isDrawerOpen(GravityCompat.START)) {
drawer.closeDrawer(GravityCompat.START);
} else {
super.onBackPressed();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.guest_page, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
int id = item.getItemId();
/* if (id == R.id.nav_camera) {
// Handle the camera action
} else if (id == R.id.nav_gallery) {
} else if (id == R.id.nav_slideshow) {
} else if (id == R.id.nav_manage) {
} else if (id == R.id.nav_share) {
} else if (id == R.id.nav_send) {
}*/
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;
}
}
启动活动的功能:( guestLog是一个按钮）
guestLog.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v) {
Intent toGuest = new Intent (ActivityOne.this,GuestPage.class); startActivity(toGuest);
}
});
答案 0 :(得分：0)
问题出在以下代码中：
FragmentManager fragmentManager = getSupportFragmentManager();
fragmentManager.beginTransaction()
.replace(R.id.first_container, new android.support.v4.app.Fragment())
.commit();
您需要使用已创建的片段更改new android.support.v4.app.Fragment()，这会扩展android.support.v4.app.Fragment ..
答案 1 :(得分：0)
lang.IllegalArgumentException：找不到片段片段{85424fa＃0 id = 0x7f0d00a9
的id 0x7f0d00a9（com.grs.raja.collegeapp：id / first_container）的视图该异常告诉我们没有名为first_container的视图，请检查它是否在您的布局中可用。