Closed. This question is off-topic。它当前不接受答案。
想改善这个问题吗？ Update the question，所以它是on-topic，用于堆栈溢出。
5年前关闭。
试图制作IOIO-OTG应用程序，我正在使用自定义的片段活动。但是，应用程序在启动时崩溃。
如果有人能够提供关于为什么它在启动时崩溃的见解，我将非常感激！
谢谢你们！
这是我的课程，这是我的日志：
想改善这个问题吗？ Update the question，所以它是on-topic，用于堆栈溢出。
5年前关闭。
试图制作IOIO-OTG应用程序，我正在使用自定义的片段活动。但是，应用程序在启动时崩溃。
如果有人能够提供关于为什么它在启动时崩溃的见解，我将非常感激！
谢谢你们！
package com.example.ioiofinal;
import ioio.lib.api.AnalogInput;
import ioio.lib.api.DigitalInput;
import ioio.lib.api.DigitalOutput;
import ioio.lib.api.PwmOutput;
import ioio.lib.api.TwiMaster;
import ioio.lib.api.exception.ConnectionLostException;
import ioio.lib.util.BaseIOIOLooper;
import ioio.lib.util.IOIOLooper;
import ioio.lib.util.android.IOIOFragmentActivity;
import java.util.Locale;
import android.annotation.SuppressLint;
import android.app.ActionBar;
import android.app.FragmentTransaction;
import android.content.Context;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Switch;
import android.widget.TableLayout;
import android.widget.TextView;
public class MainActivity extends IOIOFragmentActivity implements
ActionBar.TabListener {
/**
* The {@link android.support.v4.view.PagerAdapter} that will provide
* fragments for each of the sections. We use a
* {@link android.support.v4.app.FragmentPagerAdapter} derivative, which
* will keep every loaded fragment in memory. If this becomes too memory
* intensive, it may be best to switch to a
* {@link android.support.v4.app.FragmentStatePagerAdapter}.
*/
SectionsPagerAdapter mSectionsPagerAdapter;
/**
* The {@link ViewPager} that will host the section contents.
*/
ViewPager mViewPager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Set up the action bar.
final ActionBar actionBar = getActionBar();
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
// Create the adapter that will return a fragment for each of the three
// primary sections of the app.
mSectionsPagerAdapter = new SectionsPagerAdapter(
getSupportFragmentManager());
// Set up the ViewPager with the sections adapter.
mViewPager = (ViewPager) findViewById(R.id.pager);
mViewPager.setAdapter(mSectionsPagerAdapter);
// When swiping between different sections, select the corresponding
// tab. We can also use ActionBar.Tab#select() to do this if we have
// a reference to the Tab.
mViewPager
.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
@Override
public void onPageSelected(int position) {
actionBar.setSelectedNavigationItem(position);
}
});
// For each of the sections in the app, add a tab to the action bar.
for (int i = 0; i < mSectionsPagerAdapter.getCount(); i++) {
// Create a tab with text corresponding to the page title defined by
// the adapter. Also specify this Activity object, which implements
// the TabListener interface, as the callback (listener) for when
// this tab is selected.
actionBar.addTab(actionBar.newTab()
.setText(mSectionsPagerAdapter.getPageTitle(i))
.setTabListener(this));
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public void onTabSelected(ActionBar.Tab tab,
FragmentTransaction fragmentTransaction) {
// When the given tab is selected, switch to the corresponding page in
// the ViewPager.
mViewPager.setCurrentItem(tab.getPosition());
}
@Override
public void onTabUnselected(ActionBar.Tab tab,
FragmentTransaction fragmentTransaction) {
}
@Override
public void onTabReselected(ActionBar.Tab tab,
FragmentTransaction fragmentTransaction) {
}
/**
* A {@link FragmentPagerAdapter} that returns a fragment corresponding to
* one of the sections/tabs/pages.
*/
public class SectionsPagerAdapter extends FragmentPagerAdapter {
public SectionsPagerAdapter(FragmentManager fm) {
super(fm);
}
public Fragment getItem(int position) {
// getItem is called to instantiate the fragment for the given page.
// Return a DummySectionFragment (defined as a static inner class
// below) with the page number as its lone argument.
Fragment fragment = new DigitalFragment();
Bundle args = new Bundle();
args.putInt(DigitalFragment.ARG_SECTION_NUMBER, position + 1);
fragment.setArguments(args);
return fragment;
}
public int getCount() {
// Show 3 total pages.
return 3;
}
public CharSequence getPageTitle(int position) {
Locale l = Locale.getDefault();
switch (position) {
case 0:
return getString(R.string.title_section1).toUpperCase(l);
case 1:
return getString(R.string.title_section2).toUpperCase(l);
case 2:
return getString(R.string.title_section3).toUpperCase(l);
}
return null;
}
}
/**
* A dummy fragment representing a section of the app, but that simply
* displays dummy text.
*/
public static class DigitalFragment extends Fragment {
public static final String ARG_SECTION_NUMBER = "Digital";
String TAG;
// Declare all the UI Variables
TableLayout centralDigitalTable;
View digitalfragmentview;
Switch digitalIO0Power;
Switch digitalIO1Power;
Switch digitalIO2Power;
Switch digitalIO3Power;
Switch digitalIO4Power;
Switch digitalIO5Power;
Switch digitalIO6Power;
Switch digitalIO7Power;
Switch digitalIO8Power;
Switch digitalIO9Power;
Switch digitalInput0Power;
Switch digitalInput1Power;
Switch digitalInput2Power;
Switch digitalInput3Power;
Switch[] digitalIOPowerSwitchArray = new Switch[10];
Switch[] digitalInputPowerSwitchArray = new Switch[4];
Context superContext;
public View onCreateView(LayoutInflater viewInflation, ViewGroup container,
Bundle SavedInstantState) {
superContext = getActivity().getApplicationContext();
digitalfragmentview = viewInflation.inflate(
R.layout.digitalfragment_page, container, false);
digitalIO0Power = (Switch) digitalfragmentview
.findViewById(R.id.digitalio0power);
digitalIO1Power = (Switch) digitalfragmentview
.findViewById(R.id.digitalio1power);
digitalIO2Power = (Switch) digitalfragmentview
.findViewById(R.id.digitalio2power);
digitalIO3Power = (Switch) digitalfragmentview
.findViewById(R.id.digitalio3power);
digitalIO4Power = (Switch) digitalfragmentview
.findViewById(R.id.digitalio4power);
digitalIO5Power = (Switch) digitalfragmentview
.findViewById(R.id.digitalio5power);
digitalIO6Power = (Switch) digitalfragmentview
.findViewById(R.id.digitalio6power);
digitalIO7Power = (Switch) digitalfragmentview
.findViewById(R.id.digitalio7power);
digitalIO8Power = (Switch) digitalfragmentview
.findViewById(R.id.digitalio8power);
digitalIO9Power = (Switch) digitalfragmentview
.findViewById(R.id.digitalio9power);
digitalInput0Power = (Switch) digitalfragmentview
.findViewById(R.id.digitalinput0power);
digitalInput1Power = (Switch) digitalfragmentview
.findViewById(R.id.digitalinput1power);
digitalInput2Power = (Switch) digitalfragmentview
.findViewById(R.id.digitalinput2power);
digitalInput3Power = (Switch) digitalfragmentview
.findViewById(R.id.digitalinput3power);
centralDigitalTable = (TableLayout) digitalfragmentview
.findViewById(R.id.digitalTable);
digitalInputPowerSwitchArray[0] = digitalInput0Power;
digitalIOPowerSwitchArray[0] = digitalIO0Power;
digitalInputPowerSwitchArray[1] = digitalInput1Power;
digitalIOPowerSwitchArray[1] = digitalIO1Power;
digitalInputPowerSwitchArray[2] = digitalInput2Power;
digitalIOPowerSwitchArray[2] = digitalIO2Power;
digitalInputPowerSwitchArray[3] = digitalInput3Power;
digitalIOPowerSwitchArray[3] = digitalIO3Power;
digitalIOPowerSwitchArray[4] = digitalIO4Power;
digitalIOPowerSwitchArray[5] = digitalIO5Power;
digitalIOPowerSwitchArray[6] = digitalIO6Power;
digitalIOPowerSwitchArray[7] = digitalIO7Power;
digitalIOPowerSwitchArray[8] = digitalIO8Power;
digitalIOPowerSwitchArray[9] = digitalIO9Power;
return digitalfragmentview;
}
// BEGIN SWITCH RELATED METHODS
public Switch getIOPowerSwitch(int index) {
return digitalIOPowerSwitchArray[index];
}
public Switch getInputPowerSwitch(int index) {
return digitalInputPowerSwitchArray[index];
}
// END SWITCH RELATED METHODS
public TableLayout getCentralDigitalTable() {
return centralDigitalTable;
}
public void setCentralDigitalTable(TableLayout centralDigitalTable) {
this.centralDigitalTable = centralDigitalTable;
}
public View getDigitalFragmentView() {
return digitalfragmentview;
}
public void setDigitalFragmentView(View digitalfragmentview) {
this.digitalfragmentview = digitalfragmentview;
}
}
class Looper extends BaseIOIOLooper {
DigitalFragment digfrag = new DigitalFragment();
/** The on-board LED. */
private DigitalOutput led_;
// TWI Corresponds to the pins with CLx and DAx
private TwiMaster t1;
private TwiMaster d1;
private TwiMaster t2;
private TwiMaster d2;
// Corresponds to UI Switches DO 0-11
private DigitalOutput DO1;
private DigitalOutput DO2;
private DigitalOutput DO3;
private DigitalOutput DO4;
private DigitalOutput DO5;
private DigitalOutput DO6;
private DigitalOutput DO7;
private DigitalOutput DO8;
private DigitalOutput DO9;
private DigitalOutput DO10;
private DigitalOutput DO11;
private DigitalOutput DO12;
// Corresponds to UI Switches DI 0-8
private DigitalInput DI1;
private DigitalInput DI2;
private DigitalInput DI3;
private DigitalInput DI4;
private DigitalInput DI5;
private DigitalInput DI6;
private DigitalInput DI7;
private DigitalInput DI8;
private DigitalInput DI9;
// PWM corresponds to pins 27-30
private PwmOutput PWM1;
private PwmOutput PWM2;
private PwmOutput PWM3;
private PwmOutput PWM4;
// Analog Inputs correspond to pins 31-46
private AnalogInput AI1;// 31
private AnalogInput AI2;// 32
private AnalogInput AI3;// 33
private AnalogInput AI4;// 34
private AnalogInput AI5;// 35
private AnalogInput AI6;
private AnalogInput AI7;
private AnalogInput AI8;
private AnalogInput AI9;
private AnalogInput AI10;
private AnalogInput AI11;
private AnalogInput AI12;
private AnalogInput AI13;
private AnalogInput AI14;
private AnalogInput AI15;
private AnalogInput AI16;
private DigitalOutput[] DOA = { DO1, DO2, DO3, DO4, DO5, DO6, DO7, DO8,
DO9, DO10, DO11, DO12 };
private DigitalInput[] DIA = { DI1, DI2, DI3, DI4, DI5, DI6, DI7, DI8,
DI9 };
private TwiMaster[] TWIA = { t1, d1, t2, d2 };
private PwmOutput[] PWMA = { PWM1, PWM2, PWM3, PWM4 };
private AnalogInput[] AIA = { AI1, AI2, AI3, AI4, AI5, AI6, AI7, AI8,
AI9, AI10, AI11, AI12, AI13, AI14, AI15, AI16 };
/**
* Called every time a connection with IOIO has been established.
* Typically used to open pins.
*
* @throws ConnectionLostException
* When IOIO connection is lost.
*
* @see ioio.lib.util.AbstractIOIOActivity.IOIOThread#setup()
*/
@Override
protected void setup() throws ConnectionLostException {
led_ = ioio_.openDigitalOutput(0, true);
for (int i = 0; i < DOA.length; i++) {
DOA[i] = ioio_.openDigitalOutput(i + 6);
}
for (int i = 0; i < DIA.length; i++) {
DIA[i] = ioio_.openDigitalInput(i + 18);
}
for (int i = 0; i < PWMA.length; i++) {
PWMA[i] = ioio_.openPwmOutput(i + 27, 10000);
}
for (int i = 0; i < AIA.length; i++) {
AIA[i] = ioio_.openAnalogInput(i + 31);
}
TWIA[0] = ioio_.openTwiMaster(1, TwiMaster.Rate.RATE_1MHz, false);
TWIA[1] = ioio_.openTwiMaster(2, TwiMaster.Rate.RATE_1MHz, false);
TWIA[2] = ioio_.openTwiMaster(4, TwiMaster.Rate.RATE_1MHz, false);
TWIA[3] = ioio_.openTwiMaster(5, TwiMaster.Rate.RATE_1MHz, false);
}
/**
* Called repetitively while the IOIO is connected.
*
* @throws ConnectionLostException
* When IOIO connection is lost.
* @throws InterruptedException
*
* @see ioio.lib.util.AbstractIOIOActivity.IOIOThread#loop()
*/
@SuppressLint("NewApi")
@Override
public void loop() throws ConnectionLostException {
for (int i = 0; i < DOA.length; i++) {
DOA[i].write(digfrag.getIOPowerSwitch(i).isChecked());
}
}
}
/**
* A method to create our IOIO thread.
*
* @see ioio.lib.util.AbstractIOIOActivity#createIOIOThread()
*/
@Override
protected IOIOLooper createIOIOLooper() {
return new Looper();
}
}
这是我的课程，这是我的日志：
03-05 13:40:17.276: D/dalvikvm(9803): Zygote::ForkAndSpecialize : 0
03-05 13:40:17.282: D/dalvikvm(9803): zygote get new systemTid : 9803
03-05 13:40:17.282: D/dalvikvm(9803): Late-enabling CheckJNI
03-05 13:40:17.289: D/dalvikvm(9803): threadid=2: interp stack at 0x4ef97000
03-05 13:40:17.299: D/dalvikvm(9803): threadid=3: interp stack at 0x4f09f000
03-05 13:40:17.300: D/jdwp(9803): prepping for JDWP over ADB
03-05 13:40:17.300: D/jdwp(9803): ADB transport startup
03-05 13:40:17.300: D/dalvikvm(9803): Elevating priority from 0 to -8
03-05 13:40:17.301: D/dalvikvm(9803): threadid=4: interp stack at 0x4f1a7000
03-05 13:40:17.301: D/jdwp(9803): JDWP: thread running
03-05 13:40:17.301: D/jdwp(9803): acceptConnection
03-05 13:40:17.301: D/jdwp(9803): trying to receive file descriptor from ADB
03-05 13:40:17.301: D/dalvikvm(9803): threadid=5: interp stack at 0x518ae000
03-05 13:40:17.301: D/dalvikvm(9803): zygote get thread init done
03-05 13:40:17.302: D/dalvikvm(9803): create interp thread : stack size=32KB
03-05 13:40:17.302: D/dalvikvm(9803): create new thread
03-05 13:40:17.302: D/dalvikvm(9803): new thread created
03-05 13:40:17.302: D/dalvikvm(9803): update thread list
03-05 13:40:17.309: D/jdwp(9803): received file descriptor 36 from ADB
03-05 13:40:17.309: D/dalvikvm(9803): threadid=6: interp stack at 0x518b6000
03-05 13:40:17.309: D/dalvikvm(9803): threadid=6: created from interp
03-05 13:40:17.309: D/dalvikvm(9803): start new thread
03-05 13:40:17.309: D/dalvikvm(9803): create interp thread : stack size=32KB
03-05 13:40:17.309: D/dalvikvm(9803): create new thread
03-05 13:40:17.309: D/dalvikvm(9803): new thread created
03-05 13:40:17.309: D/dalvikvm(9803): update thread list
03-05 13:40:17.309: D/dalvikvm(9803): threadid=6: notify debugger
03-05 13:40:17.309: D/dalvikvm(9803): threadid=6 (ReferenceQueueDaemon): calling run()
03-05 13:40:17.314: D/jdwp(9803): processIncoming
03-05 13:40:17.322: D/jdwp(9803): processIncoming
03-05 13:40:17.322: D/jdwp(9803): handlePacket : cmd=0x1, cmdSet=0xC7, len=0x13, id=0x40000164, flags=0x0, dataLen=0x8
03-05 13:40:17.324: D/jdwp(9803): processIncoming
03-05 13:40:17.324: D/jdwp(9803): handlePacket : cmd=0x1, cmdSet=0xC7, len=0x17, id=0x40000165, flags=0x0, dataLen=0xC
03-05 13:40:17.326: D/jdwp(9803): processIncoming
03-05 13:40:17.326: D/jdwp(9803): handlePacket : cmd=0x1, cmdSet=0xC7, len=0x13, id=0x40000166, flags=0x0, dataLen=0x8
03-05 13:40:17.328: D/jdwp(9803): processIncoming
03-05 13:40:17.328: D/jdwp(9803): handlePacket : cmd=0x1, cmdSet=0xC7, len=0x13, id=0x40000167, flags=0x0, dataLen=0x8
03-05 13:40:17.330: D/dalvikvm(9803): threadid=7: interp stack at 0x519be000
03-05 13:40:17.331: D/dalvikvm(9803): threadid=7: created from interp
03-05 13:40:17.331: D/dalvikvm(9803): start new thread
03-05 13:40:17.331: D/dalvikvm(9803): create interp thread : stack size=32KB
03-05 13:40:17.331: D/dalvikvm(9803): create new thread
03-05 13:40:17.331: D/dalvikvm(9803): new thread created
03-05 13:40:17.331: D/dalvikvm(9803): update thread list
03-05 13:40:17.331: D/dalvikvm(9803): threadid=7: notify debugger
03-05 13:40:17.331: D/dalvikvm(9803): threadid=7 (FinalizerDaemon): calling run()
03-05 13:40:17.334: D/dalvikvm(9803): threadid=8: interp stack at 0x51ac6000
03-05 13:40:17.334: D/dalvikvm(9803): threadid=8: created from interp
03-05 13:40:17.334: D/dalvikvm(9803): start new thread
03-05 13:40:17.335: D/Zygote(9803): fork pid : 0
03-05 13:40:17.342: D/dalvikvm(9803): threadid=8: notify debugger
03-05 13:40:17.342: D/dalvikvm(9803): threadid=8 (FinalizerWatchdogDaemon): calling run()
03-05 13:40:17.350: D/dalvikvm(9803): threadid=9: interp stack at 0x51ecc000
03-05 13:40:17.351: D/dalvikvm(9803): threadid=10: interp stack at 0x51fd4000
03-05 13:40:17.351: D/jdwp(9803): sendBufferedRequest : len=0x39
03-05 13:40:17.371: E/Trace(9803): error opening trace file: No such file or directory (2)
03-05 13:40:17.371: D/jdwp(9803): sendBufferedRequest : len=0x41
03-05 13:40:17.380: D/dalvikvm(9803): open_cached_dex_file : /data/app/com.example.ioiofinal-1.apk /data/dalvik-cache/data@[email protected]@classes.dex
03-05 13:40:17.382: D/ActivityThread(9803): BIND_APPLICATION handled : 0 / AppBindData{appInfo=ApplicationInfo{41433ff8 com.example.ioiofinal}}
03-05 13:40:17.386: D/IOIOConnectionRegistry(9803): Successfully added bootstrap class: ioio.lib.impl.SocketIOIOConnectionBootstrap
03-05 13:40:17.388: I/dalvikvm(9803): Could not find method com.android.future.usb.UsbManager.getInstance, referenced from method ioio.lib.android.accessory.Adapter.getManagerLegacy
03-05 13:40:17.388: W/dalvikvm(9803): VFY: unable to resolve static method 5092: Lcom/android/future/usb/UsbManager;.getInstance (Landroid/content/Context;)Lcom/android/future/usb/UsbManager;
03-05 13:40:17.388: D/dalvikvm(9803): VFY: replacing opcode 0x71 at 0x0000
03-05 13:40:17.389: D/IOIOConnectionRegistry(9803): Successfully added bootstrap class: ioio.lib.android.accessory.AccessoryConnectionBootstrap
03-05 13:40:17.390: D/IOIOConnectionRegistry(9803): Successfully added bootstrap class: ioio.lib.android.bluetooth.BluetoothIOIOConnectionBootstrap
03-05 13:40:17.392: D/IOIOConnectionRegistry(9803): Successfully added bootstrap class: ioio.lib.android.device.DeviceConnectionBootstrap
03-05 13:40:17.402: V/DeviceConnectionBootstrap(9803): onCreate()
03-05 13:40:17.446: D/dalvikvm(9803): GC_FOR_ALLOC freed 88K, 11% free 6295K/7027K, paused 14ms, total 14ms
03-05 13:40:17.450: I/dalvikvm-heap(9803): Grow heap (frag case) to 7.694MB for 1536016-byte allocation
03-05 13:40:17.486: D/dalvikvm(9803): GC_CONCURRENT freed 1K, 10% free 7794K/8567K, paused 16ms+1ms, total 36ms
03-05 13:40:17.486: D/dalvikvm(9803): WAIT_FOR_CONCURRENT_GC blocked 19ms
03-05 13:40:17.526: D/AccessoryIOIOConnection(9803): No accessory found.
03-05 13:40:17.526: V/DeviceConnectionBootstrap(9803): open()
03-05 13:40:17.526: V/DeviceConnectionBootstrap(9803): state <= WAIT_DEVICE_ATTACHED
03-05 13:40:17.528: E/BluetoothIOIOConnectionDiscovery(9803): Did you forget to declare uses-permission of android.permission.BLUETOOTH?
03-05 13:40:17.529: D/AndroidRuntime(9803): Shutting down VM
03-05 13:40:17.529: W/dalvikvm(9803): threadid=1: thread exiting with uncaught exception (group=0x40e15908)
03-05 13:40:17.532: E/AndroidRuntime(9803): FATAL EXCEPTION: main
03-05 13:40:17.532: E/AndroidRuntime(9803): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.ioiofinal/com.example.ioiofinal.MainActivity}: java.lang.SecurityException: Need BLUETOOTH permission: Neither user 10094 nor current process has android.permission.BLUETOOTH.
03-05 13:40:17.532: E/AndroidRuntime(9803): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2184)
03-05 13:40:17.532: E/AndroidRuntime(9803): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2211)
03-05 13:40:17.532: E/AndroidRuntime(9803): at android.app.ActivityThread.access$600(ActivityThread.java:149)
03-05 13:40:17.532: E/AndroidRuntime(9803): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1300)
03-05 13:40:17.532: E/AndroidRuntime(9803): at android.os.Handler.dispatchMessage(Handler.java:99)
03-05 13:40:17.532: E/AndroidRuntime(9803): at android.os.Looper.loop(Looper.java:153)
03-05 13:40:17.532: E/AndroidRuntime(9803): at android.app.ActivityThread.main(ActivityThread.java:4987)
03-05 13:40:17.532: E/AndroidRuntime(9803): at java.lang.reflect.Method.invokeNative(Native Method)
03-05 13:40:17.532: E/AndroidRuntime(9803): at java.lang.reflect.Method.invoke(Method.java:511)
03-05 13:40:17.532: E/AndroidRuntime(9803): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:821)
03-05 13:40:17.532: E/AndroidRuntime(9803): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:584)
03-05 13:40:17.532: E/AndroidRuntime(9803): at dalvik.system.NativeStart.main(Native Method)
03-05 13:40:17.532: E/AndroidRuntime(9803): Caused by: java.lang.SecurityException: Need BLUETOOTH permission: Neither user 10094 nor current process has android.permission.BLUETOOTH.
03-05 13:40:17.532: E/AndroidRuntime(9803): at android.os.Parcel.readException(Parcel.java:1425)
03-05 13:40:17.532: E/AndroidRuntime(9803): at android.os.Parcel.readException(Parcel.java:1379)
03-05 13:40:17.532: E/AndroidRuntime(9803): at android.bluetooth.IBluetooth$Stub$Proxy.getBluetoothState(IBluetooth.java:980)
03-05 13:40:17.532: E/AndroidRuntime(9803): at android.bluetooth.BluetoothAdapter.getState(BluetoothAdapter.java:462)
03-05 13:40:17.532: E/AndroidRuntime(9803): at android.bluetooth.BluetoothAdapter.getBondedDevices(BluetoothAdapter.java:793)
03-05 13:40:17.532: E/AndroidRuntime(9803): at ioio.lib.android.bluetooth.BluetoothIOIOConnectionBootstrap.getFactories(BluetoothIOIOConnectionBootstrap.java:64)
03-05 13:40:17.532: E/AndroidRuntime(9803): at ioio.lib.util.IOIOConnectionRegistry.getConnectionFactories(IOIOConnectionRegistry.java:76)
03-05 13:40:17.532: E/AndroidRuntime(9803): at ioio.lib.util.IOIOConnectionManager.createAllThreads(IOIOConnectionManager.java:97)
03-05 13:40:17.532: E/AndroidRuntime(9803): at ioio.lib.util.IOIOConnectionManager.start(IOIOConnectionManager.java:64)
03-05 13:40:17.532: E/AndroidRuntime(9803): at ioio.lib.util.android.AndroidIOIOConnectionManager.start(AndroidIOIOConnectionManager.java:90)
03-05 13:40:17.532: E/AndroidRuntime(9803): at ioio.lib.util.android.IOIOAndroidApplicationHelper.start(IOIOAndroidApplicationHelper.java:87)
03-05 13:40:17.532: E/AndroidRuntime(9803): at ioio.lib.util.android.IOIOFragmentActivity.onStart(IOIOFragmentActivity.java:104)
03-05 13:40:17.532: E/AndroidRuntime(9803): at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1166)
03-05 13:40:17.532: E/AndroidRuntime(9803): at android.app.Activity.performStart(Activity.java:5030)
03-05 13:40:17.532: E/AndroidRuntime(9803): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2157)
03-05 13:40:17.532: E/AndroidRuntime(9803): ... 11 more
03-05 13:40:19.055: I/Process(9803): Sending signal. PID: 9803 SIG: 9
最佳答案
进入您的AndroidManifest.xml文件，然后单击权限选项卡。
在那里，将“ BLUETOOTH”添加到使用权限中，然后尝试重新编译。
关于android - IOIO-OTG错误，无法编译。包括Logcat ，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/22207659/
10-10 11:58