解决: build.gradle里加入: android { testOptions { unitTests.returnDefaultValues = true } }…

Process: com.example.mycamera2, PID: 24086 java.lang.RuntimeException: start failed. at android.media.MediaRecorder.native_start(Native Method) at android.media.MediaRecorder.start(MediaRecorder.java:1157) at com.example.mycamera2.CameraUtils.startRe…

继上一篇Hive: Exception in thread "main" java.lang.RuntimeException: Hive metastore database is not initialized. Please use schematool (e.g. ./schematool -initSchema -dbType ...) to create the schema. If needed, don't forget to include the option to…

主要引起是因為在 camera.stopPreview();   camera.release(); 前沒有將setPreviewCallback 設置為null, 解決情況: public void surfaceDestroyed(SurfaceHolder holder) {   camera.setPreviewCallback(null) ;   camera.stopPreview();   camera.release();   camera = null;   Log.e("Ca…

若有 java.lang.RuntimeException和 java.lang.NullPointerException: Attempt to invoke virtual method 'void android.一起的异常报错, 很大几率是因为控件实列写错了,好好检查R.id.xx有没有写错, 多次的粗心大意犯的同样的错误,以此记录.…

一.问题 Java调用JS事件出现 java.lang.RuntimeException: java.lang.Throwable: A WebView method was called on thread 'JavaBridge'. All WebView methods must be called on the same thread. (Expected Looper Looper (main, tid 1) {3474c308} called on Looper (JavaBridg…

本文转载自:http://blog.csdn.net/ouyang_peng/article/details/48048975 今天在调用MediaRecorder.stop(),报错了,java.lang.RuntimeException: stop failed. E/AndroidRuntime(7698): Cause by: java.lang.RuntimeException: stop failed. E/AndroidRuntime(7698):            at an…

报错信息: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.pro_u_loc/com.example.pro_u_loc.signActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.view. 报错截图: 真机调试结果: 点击按钮自动弹出软件并报错日志. 错误…

下次安装报:Java.lang.RuntimeException: java.lang.NullPointerException......错 只需在文件..\Android Studio\bin\idea.properties(需要对应自己的安装目录下)最后面加一行代码:disable.android.first.run=true  就可以完美解决问题了…

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.ex.activity/com.ex.activity.LoginActivity}: android.view.InflateException: Binary XML file line #1: Error inflating class 异常解决方案: 是因为设置background的图片太大了,造成了内存溢出,在Activity设置onCreate…