java - 房间:无法开始将 ID 添加到意图的活动
问题描述
这是我的主要活动。我有一个由成员组成的列表。我想单击一个客户并启动 MemberInfo 活动。
public class MemberMainActivity extends AppCompatActivity implements MemberListAdapter.MemberClickListener{
private MemberViewModel mMemberViewModel;
private List<Member> mMember;
void setMember(List<Member> members) {
mMember = members;
}
public static final int NEW_MEMBER_ACTIVITY_REQUEST_CODE = 1;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_member);
Toolbar toolbar = findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
FloatingActionButton fab = findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent = new Intent(MemberMainActivity.this, NewMemberActivity.class);
startActivityForResult(intent, NEW_MEMBER_ACTIVITY_REQUEST_CODE);
}
});
RecyclerView recyclerView = findViewById(R.id.recyclerviewcard_member);
final MemberListAdapter adapter = new MemberListAdapter(this);
recyclerView.setAdapter(adapter);
recyclerView.setLayoutManager(new LinearLayoutManager(this));
mMemberViewModel = ViewModelProviders.of(this).get(MemberViewModel.class);
mMemberViewModel.getAllMember().observe(this, new Observer<List<Member>>() {
@Override
public void onChanged(@Nullable final List<Member> members) {
mMember = members;
// Update the cached copy of the words in the adapter.
adapter.setMember(members);
}
});
}
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == NEW_MEMBER_ACTIVITY_REQUEST_CODE && resultCode == RESULT_OK) {
Member member = new Member(data.getStringExtra(NewMemberActivity.EXTRA_REPLY), data.getStringExtra(NewMemberActivity.EXTRA_REPLY2));
mMemberViewModel.insert(member);
} else {
Toast.makeText(
getApplicationContext(),
R.string.empty_not_saved,
Toast.LENGTH_LONG).show();
}
}
public void onMemberClick(int position) {
Log.i("what", "gotpositionroger");
Member member = mMember.get(position);
Log.i("the", "aftergotpositionroger");
MemberInfo.open(this, member.getId());
}
}
这是我的 MemberInfo 活动。
public class MemberInfo extends AppCompatActivity {
public static void open(Activity activity, long memberid) {
Intent intent = new Intent(activity, MemberInfo.class);
intent.putExtra("MemberID", memberid);
activity.startActivity(intent);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_memberinfo);
-------------Log.i("okay", "memberinfo");---------------
Intent intent = getIntent();
if (intent != null && intent.hasExtra("MemberID")) {
long memberid = intent.getLongExtra("MemberID", -1);
// TODO: get customer details based on customer id
intent.putExtra("MemberID", memberid);
startActivity(intent);
}
else {
Toast.makeText(
getApplicationContext(),
R.string.empty_not_saved,
Toast.LENGTH_LONG).show();
}
}
}
问题是:当我点击一个成员时,它只是在加载和加载,几秒钟后,应用程序崩溃了。
在我的 MemberInfo 活动中,我用 Log.i 标记了一行。当我单击一个成员时,logcat 会一次又一次地向我显示相同的 Log.i - Log.i 会无限重复。
我的应用程序崩溃后,logcat 显示:
06-18 19:36:33.662 5041-5070/com.example.mainbuchhaltung E/GraphicBuffer: unflatten: registerBuffer failed: Unknown error -2 (2)
06-18 19:36:33.662 5041-5070/com.example.mainbuchhaltung E/Surface:dequeueBuffer:IGraphicBufferProducer::requestBuffer 失败:2
06-18 19:36:33.662 5041-5070/com.example.mainbuchhaltung E/EGL_emulation: tid 5070: swapBuffers(550): error 0x300d (EGL_BAD_SURFACE)
06-18 19:36:33.662 5041-5070/com.example.mainbuchhaltung W/OpenGLRenderer:swapBuffers 在 0x942b8a20 遇到 EGL 错误 12301,停止渲染...
06-18 19:36:33.663 5041-5070/com.example.mainbuchhaltung D/EGL_emulation: eglMakeCurrent: 0xa33983c0: ver 3 0 (tinfo 0xa322a560)
06-18 19:36:33.729 5041-5070/com.example.mainbuchhaltung E/gralloc_ranchu: map_buffer: 无法映射 ashmem 区域!gralloc_register_buffer(0x20a540):映射失败:内存不足
06-18 19:36:33.729 5041-5070/com.example.mainbuchhaltung W/GraphicBufferMapper:importBuffer(0x20a4a0) 失败:2
06-18 19:36:33.729 5041-5070/com.example.mainbuchhaltung E/GraphicBuffer: unflatten: registerBuffer failed: Unknown error -2 (2)
06-18 19:36:33.729 5041-5070/com.example.mainbuchhaltung E/Surface:dequeueBuffer:IGraphicBufferProducer::requestBuffer 失败:2
06-18 19:36:33.729 5041-5070/com.example.mainbuchhaltung E/EGL_emulation: tid 5070: init(382): 错误 0x3003 (EGL_BAD_ALLOC) tid 5070: eglCreateWindowSurface(922): 错误 0x3003 (EGL_BAD_ALLOC)
06-18 19:36:33.732 5041-5070/com.example.mainbuchhaltung A/OpenGLRenderer:无法为窗口 0xbf1d4008 创建 EGLSurface,eglErr = EGL_BAD_ALLOC
06-18 19:36:33.733 5041-5070/com.example.mainbuchhaltung A/libc:致命信号 6 (SIGABRT),tid 5070 (RenderThread) 中的代码 -6
我认为问题出在 MemberInfo 代码中,但我无法找出错误。有人可以帮我解决这个问题吗?
解决方案
您在 MemberInfo 活动onCreate
方法中使用“空”意图打开活动:
Intent intent = getIntent();
if (intent != null && intent.hasExtra("MemberID")) {
long memberid = intent.getLongExtra("MemberID", -1);
// TODO: get customer details based on customer id
intent.putExtra("MemberID", memberid);
startActivity(intent);
}
else {
Toast.makeText(
getApplicationContext(),
R.string.empty_not_saved,
Toast.LENGTH_LONG).show();
}
从 onCreate 中删除它:
intent.putExtra("MemberID", memberid);
startActivity(intent);
启动会员信息活动后,您需要额外传递的会员 ID 是:
long memberid = intent.getLongExtra("MemberID", -1);
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