【发布时间】：2012-01-20 14:24:48
【问题描述】：
我终于得到了要编译的代码，但是每次我启动它时它都会关闭。谁能告诉我有什么问题？
下面是清单和 logcat 以及 Activity 中代码的上半部分。
这是一个由一名编码员完成的应用程序项目。它正在使用本机库。我已经使用 cygwin 编译了本机库。它能够成功编译。对于错误“无法为'libexif2.so'加载所需的库'libiconv.so'（load_library [1108]：未找到库'libiconv.so'）01-20 14:08:19.791”，我检查了这些已生成 2 个文件。我还需要将库文件放在其他地方吗？
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.kos.agphoto2"
android:versionName="0.1"
android:versionCode="1">
<uses-feature android:required="true" android:name="android.hardware.usb.host"></uses-feature>
<uses-sdk android:minSdkVersion="12"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<application android:debuggable="true">
<activity android:name=".DetectCameraActivity" android:label="Detect Camera">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
<intent-filter>
<action android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED"/>
</intent-filter>
<meta-data android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED"
android:resource="@xml/device_filter" />
</activity>
</application>
</manifest>
public class DetectCameraActivity extends Activity {
static {
LibrariesHelper.loadNativeLibraries();
}
private GPContext c;
private ProgressDialog pd;
private Handler h;
private static final String DETECTCAMERA = "DETECTCAMERA";
private PendingIntent mPermissionIntent;
private UsbManager mUsbManager;
private UsbInterface mUsbIntf;
private UsbDeviceConnection mConnection;
private boolean mUsbConnected = false; // We only connect to one camera at a time. Ignore additional cameras
private boolean mForceClaim = true;
private static final String ACTION_USB_PERMISSION = "com.kos.agphoto2.USB_PERMISSION";
private final BroadcastReceiver mUsbReceiver = new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (ACTION_USB_PERMISSION.equals(action) || UsbManager.ACTION_USB_DEVICE_ATTACHED.equals(action)) {
synchronized (this) {
UsbDevice device = (UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
if (intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, false)) {
if(!mUsbConnected && device != null){
//call method to set up device communication
claimDevice(device);
mUsbConnected = true;
}
}
else {
Log.d(DETECTCAMERA, "permission denied for device " + device);
}
}
}
if (UsbManager.ACTION_USB_DEVICE_DETACHED.equals(action)) {
UsbDevice device = (UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
if (mUsbConnected && device != null) {
// call your method that cleans up and closes communication with the device
cleanUpDevices();
mUsbConnected = false;
}
}
}
};
private void claimDevice(UsbDevice device) {
Log.d(DETECTCAMERA, "Claiming device: " + device.toString());
mUsbIntf = device.getInterface(0);
// Only need following line if using Java to communicate
// UsbEndpoint endpoint = mUsbIntf.getEndpoint(0);
mConnection = mUsbManager.openDevice(device);
if(mConnection.claimInterface(mUsbIntf, mForceClaim))
Log.d(DETECTCAMERA,"Interface succesfully claimed!");
}
private void cleanUpDevices() {
if(mUsbConnected && mConnection!=null) {
mConnection.close();
if(mUsbIntf!=null) {
mConnection.releaseInterface(mUsbIntf);
}
}
}
@Override
public void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//Set up USB stuff
mUsbManager = (UsbManager) getSystemService(android.content.Context.USB_SERVICE);
mPermissionIntent = PendingIntent.getBroadcast(this, 0, new Intent(ACTION_USB_PERMISSION), 0);
IntentFilter filter = new IntentFilter(ACTION_USB_PERMISSION);
registerReceiver(mUsbReceiver, filter);
//Iterate over connect USB devices, check if any match our intent filter
HashMap<String, UsbDevice> deviceList = mUsbManager.getDeviceList();
Iterator<UsbDevice> deviceIterator = deviceList.values().iterator();
//TODO: get list of device filters from resource file
// XmlResourceParser xrp = getResources().getXml(R.xml.device_filter);
while(deviceIterator.hasNext()){
UsbDevice device = deviceIterator.next();
//TODO: compare device to list of device filters
// if( device.getVendorId() )
mUsbManager.requestPermission(device, mPermissionIntent);
}
setContentView(R.layout.detect_camera);
// getPanel().setMovementMethod(new ScrollingMovementMethod());
h = new Handler() {
@Override
public void handleMessage(final Message msg) {
if (msg.obj instanceof String) {
final String s = (String) (msg.obj);
getPanel().setText(s);
getPanel().scrollTo(0, 0);
}
pd.dismiss();
}
};
c = GPContextImpl.createNew();
【问题讨论】：
-
请在此处发布一些代码。单独的清单是不够的。
标签： android forceclose