Android SensorManager上的应用程序崩溃
我正在开发一个android应用程序,我想在其中使用加速计。 但每当我调用该方法时:Android SensorManager上的应用程序崩溃,android,sensormanager,Android,Sensormanager,我正在开发一个android应用程序,我想在其中使用加速计。 但每当我调用该方法时: SensorManager sm = (SensorManager)context.getSystemService(Context.SEARCH_SERVICE); 我的应用程序崩溃了 我的代码是: public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setCont
SensorManager sm = (SensorManager)context.getSystemService(Context.SEARCH_SERVICE);
我的应用程序崩溃了
我的代码是:
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
context = getApplicationContext();
SensorManager sm = (SensorManager)context.getSystemService(Context.SEARCH_SERVICE);
if(sm.getSensorList(Sensor.TYPE_ACCELEROMETER).size()!=0)
{
Sensor s = sm.getSensorList(Sensor.TYPE_ACCELEROMETER).get(0);
sm.registerListener(this, s, SensorManager.SENSOR_DELAY_NORMAL);
}
x = y = sensorX = sensorY = 0;
}
我在网上搜索过,但找不到任何解决方案。我正在电话上调试我的应用程序,而不是在模拟器上调试。请在这方面帮助我,为什么它会崩溃,我如何才能修复它
以下是日志cat错误:
05-02 06:40:04.299:W/dalvikvm9525:threadid=1:thread退出,未捕获异常组=0x40018578
05-02 06:40:04.309: E/AndroidRuntime(9525): FATAL EXCEPTION: main
05-02 06:40:04.309: E/AndroidRuntime(9525): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.accelerometer/com.accelerometer.AccelerometerActivity}: java.lang.ClassCastException: android.app.SearchManager
05-02 06:40:04.309: E/AndroidRuntime(9525): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1651)
05-02 06:40:04.309: E/AndroidRuntime(9525): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1667)
05-02 06:40:04.309: E/AndroidRuntime(9525): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
05-02 06:40:04.309: E/AndroidRuntime(9525): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935)
05-02 06:40:04.309: E/AndroidRuntime(9525): at android.os.Handler.dispatchMessage(Handler.java:99)
05-02 06:40:04.309: E/AndroidRuntime(9525): at android.os.Looper.loop(Looper.java:123)
05-02 06:40:04.309: E/AndroidRuntime(9525): at android.app.ActivityThread.main(ActivityThread.java:3687)
05-02 06:40:04.309: E/AndroidRuntime(9525): at java.lang.reflect.Method.invokeNative(Native Method)
05-02 06:40:04.309: E/AndroidRuntime(9525): at java.lang.reflect.Method.invoke(Method.java:507)
05-02 06:40:04.309: E/AndroidRuntime(9525): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:867)
05-02 06:40:04.309: E/AndroidRuntime(9525): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:625)
05-02 06:40:04.309: E/AndroidRuntime(9525): at dalvik.system.NativeStart.main(Native Method)
05-02 06:40:04.309: E/AndroidRuntime(9525): Caused by: java.lang.ClassCastException: android.app.SearchManager
05-02 06:40:04.309: E/AndroidRuntime(9525): at com.accelerometer.AccelerometerActivity.onCreate(AccelerometerActivity.java:24)
05-02 06:40:04.309: E/AndroidRuntime(9525): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
05-02 06:40:04.309: E/AndroidRuntime(9525): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1615)
谢谢
SensorManager sm = (SensorManager)context.getSystemService(Context.SEARCH_SERVICE);
这将从getSystemService返回一个SearchManager,您无法将SearchManager转换为SensorManager,关闭但不完全相同
要获得SensorManager,请尝试以下方法:从
请发布任何logcat错误。我已经编辑了帖子,并发布了我的logcat错误。非常感谢你的朋友。根据你的建议,我现在已经解决了这个问题。再次感谢你。
public SensorActivity() {
mSensorManager = (SensorManager)getSystemService(SENSOR_SERVICE);
mAccelerometer = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
}