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I'm doing an Android application that is enable differently abled people is alow to dial a pre-defined number for help by shaking the phone. I did a customization when one shake calling a specific number. But, I don't get any idea:

How I turn call off by shaking in the same direction? How does double shake go another call and so on..

public void onSensorChanged(SensorEvent event) {

    if (event.sensor.getType() != Sensor.TYPE_ACCELEROMETER || event.values.length < 2)
          return;

    currentTime = System.currentTimeMillis();

    if ((currentTime - lastUpdate) > 100) {
        long diffTime = (currentTime - lastUpdate);
        lastUpdate = currentTime;

        current_x = event.values[DATA_X];
        current_y = event.values[DATA_Y];
        current_z = event.values[DATA_Z];

        currenForce = Math.abs(current_x+current_y+current_z - last_x - last_y - last_z) / diffTime * 10000;

        if (currenForce > FORCE_THRESHOLD && inCall ==0) {


            if (sp.contains("number") && sp.getString("number","").length() > 5 ){

            // Device has been shaken now go on and do something
            // you could now inform the parent activity ...
            String phoneNumber = sp.getString("Number", "1800");
            android.net.Uri uri = android.net.Uri.fromParts("tel", phoneNumber, null);


            try{
            inCall =1;  
            android.content.Intent callIntent = new android.content.Intent(android.content.Intent.ACTION_CALL, uri);
            callIntent.setFlags(android.content.Intent.FLAG_ACTIVITY_NEW_TASK);
            startActivity(callIntent);
            }catch(Exception e){
                inCall =0;
                e.printStackTrace();
            }

            }else{
                Toast.makeText(this, "Please Configure number first", Toast.LENGTH_LONG);
            }



        }else{

             try{   
                 Toast.makeText(getBaseContext(), "Trying to End Call", Toast.LENGTH_LONG);
                 // Send Key For End Call
                 new KeyEvent(KeyEvent.ACTION_DOWN,
                       KeyEvent.KEYCODE_ENDCALL );

                 inCall =0;
             }catch(Exception e){

                 e.printStackTrace();
             }

        }

        last_x = current_x;
        last_y = current_y;
        last_z = current_z;

    }

Thanks in advance

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1 回答 1

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我尝试了一些技巧来发送结束通话点击，但没有奏效。

但是，基于此链接和此链接，下一个代码将导致电话挂起，尽管我将此视为 hack：

try {
final String serviceManagerName = "android.os.ServiceManager";
final String serviceManagerNativeName = "android.os.ServiceManagerNative";
final String telephonyName = "com.android.internal.telephony.ITelephony";

Class<?> telephonyClass;
Class<?> telephonyStubClass;
Class<?> serviceManagerClass;
Class<?> serviceManagerNativeClass;
Method telephonyEndCall;
Object telephonyObject;
Object serviceManagerObject;

telephonyClass = Class.forName(telephonyName);
telephonyStubClass = telephonyClass.getClasses()[0];
serviceManagerClass = Class.forName(serviceManagerName);
serviceManagerNativeClass = Class.forName(serviceManagerNativeName);

final Method getService = serviceManagerClass.getMethod("getService", String.class);

final Method tempInterfaceMethod = serviceManagerNativeClass.getMethod("asInterface", IBinder.class);

final Binder tmpBinder = new Binder();
tmpBinder.attachInterface(null, "fake");

serviceManagerObject = tempInterfaceMethod.invoke(null, tmpBinder);
final IBinder retbinder = (IBinder) getService.invoke(serviceManagerObject, "phone");
final Method serviceMethod = telephonyStubClass.getMethod("asInterface", IBinder.class);

telephonyObject = serviceMethod.invoke(null, retbinder);
// telephonyCall = telephonyClass.getMethod("call", String.class);
telephonyEndCall = telephonyClass.getMethod("endCall");
// telephonyAnswerCall = telephonyClass.getMethod("answerRingingCall");

telephonyEndCall.invoke(telephonyObject);

} catch (final Exception e) {
e.printStackTrace();
}

编辑：此代码不适用于所有设备和 Android 版本（例如 Nexus 5x 与 Android 8.1）。唯一安全的解决方案是使用官方 API，遗憾的是 Android P 提供了该 API。我在这里写过。

于 2013-10-01T10:18:49.610 回答