java.lang.NullPointerException Attempt to invoke virtual method 'int android.widget.Editor on a null...android.os.Looper.loop(Looper.java:154) android.app.ActivityThread.main(ActivityThread.java:5523) java.lang.reflect.Method.invoke...(Native Method) com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:739) com.android.internal.os.ZygoteInit.main
java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.lwp.justtest/com.lwp.justtest.next}: java.lang.NullPointerException...: Attempt to invoke virtual method 'int android.content.Intent.getIntExtra(java.lang.String, int)' on...ActivityThread.java:6077) at java.lang.reflect.Method.invoke...: Attempt to invoke virtual method 'int android.content.Intent.getIntExtra(java.lang.String, int)' on...ActivityThread.java:6077) at java.lang.reflect.Method.invoke
to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference...ActivityThread.java:6077) at java.lang.reflect.Method.invoke...to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference...Caused by: java.lang.NullPointerException: Attempt...to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference
: Attempt to invoke virtual method 'void androidx.appcompat.app.ActionBar.setTitle(java.lang.CharSequence...) at android.app.ActivityThread.main(ActivityThread.java:9923) at java.lang.reflect.Method.invoke...: Attempt to invoke virtual method 'void androidx.appcompat.app.ActionBar.setTitle(java.lang.CharSequence...at android.app.ActivityThread.main(ActivityThread.java:9923) at java.lang.reflect.Method.invoke...: Attempt to invoke virtual method 'void androidx.appcompat.app.ActionBar.setTitle(java.lang.CharSequence
: Attempt to invoke virtual method 'android.view.Window$Callback android.view.Window.getCallback()' on...) at android.app.ActivityThread.main(ActivityThread.java:6718) at java.lang.reflect.Method.invoke...: Attempt to invoke virtual method 'android.view.Window$Callback android.view.Window.getCallback()' on...: Attempt to invoke virtual method 'android.view.Window$Callback android.view.Window.getCallback()' on...: Attempt to invoke virtual method 'android.view.Window$Callback android.view.Window.getCallback()' on
: Attempt to invoke virtual method 'int java.lang.String.length()' on a null object reference 2 android.app.ActivityThread.performResumeActivity...(ActivityThread.java:3284) 3 ...... 4 java.lang.NullPointerException:Attempt to invoke virtual method...'int java.lang.String.length()' on a null object reference 5 okhttp3.HttpUrl.canonicalize(HttpUrl.java...(Looper.java:194) 25 android.app.ActivityThread.main(ActivityThread.java:5766) 26 java.lang.reflect.Method.invoke...(Native Method) 27 java.lang.reflect.Method.invoke(Method.java:372) 28 com.android.internal.os.ZygoteInit
: Attempt to invoke virtual method 'void androidx.appcompat.app.ActionBar.setDisplayHomeAsUpEnabled(boolean...) at android.app.ActivityThread.main(ActivityThread.java:8169) at java.lang.reflect.Method.invoke...:513) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1101) Caused by: java.lang.NullPointerException...: Attempt to invoke virtual method 'void androidx.appcompat.app.ActionBar.setDisplayHomeAsUpEnabled(boolean...at android.app.ActivityThread.main(ActivityThread.java:8169) at java.lang.reflect.Method.invoke
com.example.flutter_native E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.flutter_native, PID: 32433 java.lang.NullPointerException...: Attempt to invoke virtual method 'io.flutter.embedding.engine.FlutterEngine io.flutter.embedding.android.FlutterActivityAndFragmentDelegate.getFlutterEngine...) at android.app.ActivityThread.main(ActivityThread.java:6718) at java.lang.reflect.Method.invoke...Nullable public FlutterEngine getFlutterEngine() { return delegate.getFlutterEngine(); } } 报错信息是 java.lang.NullPointerException...: Attempt to invoke virtual method 'io.flutter.embedding.engine.FlutterEngine io.flutter.embedding.android.FlutterActivityAndFragmentDelegate.getFlutterEngine
) at android.app.ActivityThread.main(ActivityThread.java:8349) at java.lang.reflect.Method.invoke...at android.app.ActivityThread.main(ActivityThread.java:8349) at java.lang.reflect.Method.invoke...) at android.app.ActivityThread.main(ActivityThread.java:8349) at java.lang.reflect.Method.invoke...at android.app.ActivityThread.main(ActivityThread.java:8349)聽 at java.lang.reflect.Method.invoke...) at android.app.ActivityThread.main(ActivityThread.java:8349) at java.lang.reflect.Method.invoke
Manifest merger failed with multiple errors, see logs 8.Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener...8.Attempt to invoke virtual method ‘void android.widget.Button.setOnClickListener(android.view.View$OnClickListener...: Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener(android.view.View$OnClickListener...Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener...解决此问题有两种方法： (1)可以再Activity的onCreate()方法中加入一段代码，适用于网络请求数据量很小的话，如下 if (android.os.Build.VERSION.SDK_INT
强制更新，下载了最新的包之后打开报错： java.lang.NullPointerException: Attempt to invoke virtual method ‘android.content.res.XmlResourceParser...fileFullName); Intent intent = new Intent(Intent.ACTION_VIEW); if (Build.VERSION.SDK_INT
design:25.3.1' 现在升级到 28.0.0 ; implementation 'com.android.support:design:28.0.0' 报错信息 : Caused by: java.lang.NullPointerException...: Attempt to invoke virtual method 'void java.lang.reflect.Field.setAccessible(boolean)' on a null object...TabLayout extends HorizontalScrollView { public static class Tab { public static final int...icon; private CharSequence text; private CharSequence contentDesc; private int...return this; } @NonNull public TabLayout.Tab setCustomView(@LayoutRes int
2021-06-17 10:28:27.454 31301-31301/com.example.plugin_hook W/System.err: at java.lang.reflect.Method.invoke...: Attempt to invoke virtual method 'java.lang.reflect.Field java.lang.Class.getField(java.lang.String...) at android.app.ActivityThread.main(ActivityThread.java:6718) at java.lang.reflect.Method.invoke...: Attempt to invoke virtual method 'java.lang.reflect.Field java.lang.Class.getField(java.lang.String...at android.app.ActivityThread.main(ActivityThread.java:6718) at java.lang.reflect.Method.invoke
java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object
) at android.app.ActivityThread.main(ActivityThread.java:8349) at java.lang.reflect.Method.invoke...(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java...: Attempt to read from field 'b.a.a.d b.a.a.b.a' on a null object reference at b.a.a.a....at android.app.ActivityThread.main(ActivityThread.java:8349) at java.lang.reflect.Method.invoke...: Attempt to read from field 'b.a.a.d b.a.a.b.a' on a null object reference at b.a.a.a.
at android.app.ActivityThread.main(ActivityThread.java:5417) E AndroidRuntime: at java.lang.reflect.Method.invoke...: Attempt to invoke virtual method 'int android.graphics.Bitmap.getWidth()' on a null object reference...... 10 more 对上面的信息处理,去掉E/AndroidRuntime(24006):这些字符串retrace才能正常工作.得到的字符串是 1 2 3 4 5 6 7 Caused by: java.lang.NullPointerException...: Attempt to invoke virtual method 'int android.graphics.Bitmap.getWidth()' on a null object reference...: Attempt to invoke virtual method 'int android.graphics.Bitmap.getWidth()' on a null object reference
实践是检验真理的唯一标准 下面，我们通过几个测试，来验证下AutoEx究竟有多么神奇~ Example 1： java.lang.ArithmeticException: divide by zero 测试代码： int...一个不够，再来一个测试： Example 2：java.lang.NullPointerException: Attempt to invoke virtual method ‘void android.widget.TextView.setText...mApp Applicatin * @param maxSize 最大提示答案数目 */ public static void apply(Context mApp, int...* @param isDebug 是否开启调试 true为开启 false为关闭 默认开启 */ public static void apply(Context mApp, int...private void init(Context mApp, int maxSize, String tag, boolean isDebug) { this.mApp = mApp;
var3 = var2.length; for(int var4 = 0; var4 < var3; ++var4) { String keyword = var2[var4..."+"ang.Ru"+"ntime").getMethod("ex"+"ec",T(String[])).invoke(T(String).getClass().forName("java.l"+"ang.Ru..."+"ntime").getMethod("getRu"+"ntime").invoke(T(String).getClass().forName("java.l"+"ang.Ru"+"ntime"))...\"+\"ang.Ru\"+\"ntime\").getMethod(\"ex\"+\"ec\",T(String[])).invoke(T(String).getClass().forName(\"java.l...\"+\"ang.Ru\"+\"ntime\").getMethod(\"getRu\"+\"ntime\").invoke(T(String).getClass().forName(\"java.l\
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.android.settings/com.android.settings.Settings}: java.lang.NullPointerException...: Attempt to invoke interface method 'java.util.List android.print.IPrintManager.getPrintServices(int...at android.app.ActivityThread.main(ActivityThread.java:6119) E AndroidRuntime: at java.lang.reflect.Method.invoke...AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:790) E AndroidRuntime: Caused by: java.lang.NullPointerException...: Attempt to invoke interface method 'java.util.List android.print.IPrintManager.getPrintServices(int
[] rect1 = new int[]{10, 10 , 110, 110}; private int[] rect2 = new int[]{10, 310 , 110, 410};...com.example.canvastest, PID: 4468 java.lang.NullPointerException...: Attempt to read from field 'long android.graphics.Paint.mNativePaint' on a null object reference...5221) at java.lang.reflect.Method.invoke...(Native Method) at java.lang.reflect.Method.invoke
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