Так что мое приложение отлично работает при запуске на виртуальном устройстве.Когда я пытался создать подписанный apk, я получил следующие ошибки:
Warning: androidx.media.AudioAttributesCompatParcelizer: can't find referenced field 'android.support.v4.media.AudioAttributesImpl mImpl' in program class android.support.v4.media.AudioAttributesCompat
Warning: androidx.media.AudioAttributesImplApi21Parcelizer: can't find referenced field 'android.media.AudioAttributes mAudioAttributes' in program class android.support.v4.media.AudioAttributesImplApi21
Warning: androidx.media.AudioAttributesImplApi21Parcelizer: can't find referenced field 'int mLegacyStreamType' in program class android.support.v4.media.AudioAttributesImplApi21
Warning: androidx.media.AudioAttributesImplBaseParcelizer: can't find referenced field 'int mUsage' in program class android.support.v4.media.AudioAttributesImplBase
Warning: androidx.media.AudioAttributesImplBaseParcelizer: can't find referenced field 'int mFlags' in program class android.support.v4.media.AudioAttributesImplBase
Warning: androidx.media.AudioAttributesImplBaseParcelizer: can't find referenced field 'int mLegacyStream' in program class android.support.v4.media.AudioAttributesImplBase
Итак, я добавил это в свой файл proguard:
-dontwarn android.support.v4.**
И теперь apk строится успешно, нопосле запуска приложения происходит сбой с этой ошибкой.Почему это происходит, когда мое приложение работает нормально на виртуальном устройстве?
Кажется, я не могу найти проблему даже после прочтения других ответов.Вот мой код xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@color/azureColorPrimary"
android:minHeight="?attr/actionBarSize">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="end"
android:background="@color/azureColorPrimary">
</LinearLayout>
</android.support.v7.widget.Toolbar>
<TextView
android:id="@+id/title_1"
android:layout_width="277dp"
android:layout_height="50dp"
android:padding="5sp"
android:paddingStart="10sp"
android:text="@string/title"
android:textColor="#ffffff"
android:textSize="25sp"
tools:ignore="RtlSymmetry" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_alignParentStart="true"
android:layout_alignParentTop="true">
<ListView
android:id="@+id/record_list"
android:layout_width="match_parent"
android:layout_height="567dp"
android:layout_marginTop="50sp"
android:paddingTop="10sp"
android:scrollbars="vertical" />
</LinearLayout>
<android.support.design.widget.FloatingActionButton
android:id="@+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="12dp"
android:clickable="true"
android:focusable="true"
app:srcCompat="@drawable/ic_add"
app:backgroundTint="@color/azureColorPrimary"
tools:layout_editor_absoluteX="310dp"
tools:layout_editor_absoluteY="494dp" />
<ImageView
android:id="@+id/guide"
android:layout_width="wrap_content"
android:layout_height="22dp"
android:layout_alignParentTop="true"
android:layout_alignParentEnd="true"
android:layout_marginTop="17dp"
android:layout_marginEnd="30dp"
app:srcCompat="@android:drawable/ic_dialog_info" />
<ImageView
android:id="@+id/show_tutorial"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/guide"
android:layout_alignParentEnd="true"
android:layout_marginEnd="73dp"
app:srcCompat="@drawable/ic_tut" />
</RelativeLayout>
Logcat:
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.arahasya.sap.forwardkey/com.arahasya.sap.forwardkey.MainActivity}: android.view.InflateException: Binary XML file line #27: Binary XML file line #27: Error inflating class TextView
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2984)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3045)
at android.app.ActivityThread.-wrap14(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1642)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6776)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1520)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1410)
Caused by: android.view.InflateException: Binary XML file line #27: Binary XML file line #27: Error inflating class TextView
Caused by: android.view.InflateException: Binary XML file line #27: Error inflating class TextView
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.support.v7.widget.bk.d()' on a null object reference
at android.support.v7.widget.bm.onTextChanged(Unknown Source)
at android.widget.TextView.setText(TextView.java:5133)
at android.widget.TextView.setText(TextView.java:4954)
at android.widget.TextView.<init>(TextView.java:1825)
at android.widget.TextView.<init>(TextView.java:1035)
at android.support.v7.widget.bm.<init>(Unknown Source)
at android.support.v7.widget.bm.<init>(Unknown Source)
at android.support.v7.app.AppCompatViewInflater.a(Unknown Source)
at android.support.v7.app.r.a(Unknown Source)
at android.support.v7.app.r.onCreateView(Unknown Source)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:776)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:734)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:865)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:828)
at android.view.LayoutInflater.inflate(LayoutInflater.java:525)
at android.view.LayoutInflater.inflate(LayoutInflater.java:427)
at android.view.LayoutInflater.inflate(LayoutInflater.java:378)
at android.support.v7.app.r.b(Unknown Source)
at android.support.v7.app.o.setContentView(Unknown Source)
at com.arahasya.sap.forwardkey.MainActivity.onCreate(Unknown Source)
at android.app.Activity.performCreate(Activity.java:6955)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1126)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2927)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3045)
at android.app.ActivityThread.-wrap14(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1642)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6776)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1520)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1410)
2018-10-24 01:25:52.356 4679-24128/? E/NetworkScheduler: Invalid component specified.