我有一个Android项目的问题,我们的相机预览停止,但只有在手机被锁定然后解锁后,它也无法拍照,这个问题让我真的难倒了,我一直无法在互联网上找到有关此错误的任何信息,似乎正在执行所有教程/其他堆栈溢出问题所述的内容:
@Override
protected void onResume() {
super.onResume();
mPreview.setVisibility(View.VISIBLE);
//Open the default i.e. the first rear facing camera.
mCamera = Camera.open();
try{
mCamera.reconnect();
} catch(Exception ex) {
}
mCamera.startPreview();
cameraCurrentlyLocked = defaultCameraId;
mPreview.setCamera(mCamera);
}
@Override
protected void onPause() {
super.onPause();
mPreview.setVisibility(View.GONE);
//Because the Camera object is a shared resource, it's very
//Important to release it when the activity is paused.
if (mCamera != null) {
mPreview.setCamera(null);
mCamera.stopPreview();
mCamera.release();
mCamera = null;
}
}
错误(拍照时)如下:
02-25 13:26:20.710: W/dalvikvm(17873): threadid=1: thread exiting with
uncaught exception (group=0x41635450)
02-25 13:26:20.710: E/AndroidRuntime(17873): FATAL EXCEPTION: main
02-25 13:26:20.710: E/AndroidRuntime(17873): java.lang.IllegalStateException:
Could not execute method of the activity
02-25 13:26:20.710: E/AndroidRuntime(17873): at
android.view.View$1.onClick(View.java:3671)
02-25 13:26:20.710: E/AndroidRuntime(17873): at
android.view.View.performClick(View.java:4171)
02-25 13:26:20.710: E/AndroidRuntime(17873): at
android.view.View$PerformClick.run(View.java:17195)
02-25 13:26:20.710: E/AndroidRuntime(17873): at
android.os.Handler.handleCallback(Handler.java:643)
02-25 13:26:20.710: E/AndroidRuntime(17873): at
android.os.Handler.dispatchMessage(Handler.java:92)
02-25 13:26:20.710: E/AndroidRuntime(17873): at
android.os.Looper.loop(Looper.java:137)
02-25 13:26:20.710: E/AndroidRuntime(17873): at
android.app.ActivityThread.main(ActivityThread.java:4803)
非常感谢任何帮助。
答案 0 :(得分:7)
我几天前遇到了同样的问题...尝试:在暂停时从framelayout中删除预览并在onresume中再次添加..