Android应用点击View/TextView后退至后台的问题求助

Hey there, let's figure out why tapping your TextView or button-like views is making your app seem to close (like it's going to the background). Let's break down possible causes and fixes based on your code and logs:

First, Address the Firebase Analytics Log Error #

The E/FA: Unable to use remote or local measurement implementation warning in your logs is related to Firebase Analytics. While it might not be the direct cause of your app closing, fixing it will eliminate noise so we can focus on the real issue.

To fix this, add the AppMeasurementService to your AndroidManifest.xml:

<service
    android:name="com.google.android.gms.measurement.AppMeasurementService"
    android:enabled="true"
    android:exported="false" />

Also, make sure you have the Google Play Services version meta-data included if you haven't already:

<meta-data
    android:name="com.google.android.gms.version"
    android:value="@integer/google_play_services_version" />

Key Causes for App Closing on Click #

Let's focus on the actual behavior where tapping views makes the app disappear:

1. Invalid Context Used to Start Activity #

Looking at your click event code, you're using a generic context to launch new Activities. If this context is the Application Context (instead of your current Activity's context), starting an Activity without adding the FLAG_ACTIVITY_NEW_TASK flag will cause a crash that might look like the app closing.

Fix:

• Use your current Activity's instance instead of a generic context:

  startActivity(new Intent(YourCurrentActivity.this, ViewAllClubNewsActivity.class).putExtra("isFrom", "Home"));
  

• If you must use Application Context, add the required flag:

  Intent intent = new Intent(context, ViewAllClubNewsActivity.class);
  intent.putExtra("isFrom", "Home");
  intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
  startActivity(intent);
  

2. Missing Activity Registration in Manifest #

If ViewAllClubNewsActivity or ProfileActivity aren't registered in your AndroidManifest.xml, launching them will throw an ActivityNotFoundException which can crash your app.

Check:
Verify you have entries like this in your manifest for each target Activity:

<activity android:name=".ViewAllClubNewsActivity" />
<activity android:name=".ProfileActivity" />

3. Uncaptured Crash Logs #

The Firebase error you shared isn't the actual crash stack trace. Your app might be crashing silently, so you need to find the full fatal exception log.

How to get full logs:

• In Android Studio's Logcat, set the filter to Error and look for FATAL EXCEPTION entries.
• Or run this command in your terminal:

  adb logcat *:E
  

This will show all error-level logs, including the real crash cause (like null pointers, permission issues, etc.).

4. Layout or Click Binding Issues #

• Ensure your @OnClick annotation is properly bound (if using ButterKnife or a similar library). Double-check you've called ButterKnife.bind(this) in your Activity's onCreate() method.
• Verify your LinearLayout isn't being covered by another transparent view that's intercepting clicks. You can temporarily add a background color to the LinearLayout to confirm it's receiving taps.
• Add android:clickable="true" to your parent LinearLayout to ensure it propagates clicks correctly to the TextView.

Next Steps #

1. First, fix the Firebase Analytics service registration to clean up your logs.
2. Swap out the generic context for your Activity's instance in the click event.
3. Check your manifest to confirm all target Activities are registered.
4. Pull the full crash log to identify any hidden exceptions.

内容的提问来源于Stack Exchange，提问作者Lucky Meg