IllegalStateException：无法执行android：onClick的方法

Question

要进行调试，我尝试迁移到空白活动，但仍然显示相同的错误。不明白为什么！ 所以我有那个错误：

E/AndroidRuntime: FATAL EXCEPTION: main
    Process: thingtranslator2.jalle.com.thingtranslator2, PID: 14918
    java.lang.IllegalStateException: Could not execute method for android:onClick

    java.lang.IllegalStateException: Could not execute method for android:onClick
        at android.support.v7.app.AppCompatViewInflater$DeclaredOnClickListener.onClick(AppCompatViewInflater.java:390)
        at android.view.View.performClick(View.java:6256)
        at android.view.View$PerformClick.run(View.java:24704)
        at android.os.Handler.handleCallback(Handler.java:789)
        at android.os.Handler.dispatchMessage(Handler.java:98)
        at android.os.Looper.loop(Looper.java:164)
        at android.app.ActivityThread.main(ActivityThread.java:6590)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
     Caused by: java.lang.reflect.InvocationTargetException
        at java.lang.reflect.Method.invoke(Native Method)
        at android.support.v7.app.AppCompatViewInflater$DeclaredOnClickListener.onClick(AppCompatViewInflater.java:385)
        at android.view.View.performClick(View.java:6256) 
        at android.view.View$PerformClick.run(View.java:24704) 
        at android.os.Handler.handleCallback(Handler.java:789) 
        at android.os.Handler.dispatchMessage(Handler.java:98) 
        at android.os.Looper.loop(Looper.java:164) 
        at android.app.ActivityThread.main(ActivityThread.java:6590) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767) 
     Caused by: android.os.FileUriExposedException: file:///storage/emulated/0/Android/data/thingtranslator2.jalle.com.thingtranslator2/cache/tempImage exposed beyond app through ClipData.Item.getUri()
        at android.os.StrictMode.onFileUriExposed(StrictMode.java:1958)
        at android.net.Uri.checkFileUriExposed(Uri.java:2357)
        at android.content.ClipData.prepareToLeaveProcess(ClipData.java:941)
        at android.content.Intent.prepareToLeaveProcess(Intent.java:9735)
        at android.content.Intent.prepareToLeaveProcess(Intent.java:9741)
        at android.content.Intent.prepareToLeaveProcess(Intent.java:9720)
        at android.app.Instrumentation.execStartActivity(Instrumentation.java:1618)
        at android.app.Activity.startActivityForResult(Activity.java:4482)
        at android.support.v4.app.FragmentActivity.startActivityForResult(FragmentActivity.java:767)
        at android.app.Activity.startActivityForResult(Activity.java:4440)
        at android.support.v4.app.FragmentActivity.startActivityForResult(FragmentActivity.java:754)
        at thingtranslator2.jalle.com.thingtranslator2.MainActivity.getImage(MainActivity.java:157)
        at java.lang.reflect.Method.invoke(Native Method) 
        at android.support.v7.app.AppCompatViewInflater$DeclaredOnClickListener.onClick(AppCompatViewInflater.java:385) 
        at android.view.View.performClick(View.java:6256) 
        at android.view.View$PerformClick.run(View.java:24704) 
        at android.os.Handler.handleCallback(Handler.java:789) 
        at android.os.Handler.dispatchMessage(Handler.java:98) 
        at android.os.Looper.loop(Looper.java:164) 
        at android.app.ActivityThread.main(ActivityThread.java:6590) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)

这是我的MainActivity代码：

package thingtranslator2.jalle.com.thingtranslator2;

import android.app.ProgressDialog;
import android.content.ContextWrapper;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.os.Environment;
import android.speech.tts.TextToSpeech;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.view.WindowManager;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ImageButton;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;
import com.pixplicity.easyprefs.library.Prefs;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import butterknife.BindView;
import butterknife.ButterKnife;
import okhttp3.MediaType;
import okhttp3.RequestBody;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
import thingtranslator2.jalle.com.thingtranslator2.Rest.ApiInterface;
import thingtranslator2.jalle.com.thingtranslator2.Rest.Translation;

public class MainActivity extends AppCompatActivity implements AdapterView.OnItemSelectedListener {
    public
    @BindView(R.id.txtTranslation)
    TextView txtTranslation;
    public
    @BindView(R.id.spinner)
    Spinner spinner;
    public
    @BindView(R.id.imgPhoto)
    ImageButton imgPhoto;
    public
    @BindView(R.id.imgSpeaker)
    ImageButton btnSpeaker;

    public Boolean speakerOn, firstRun;
    public TextToSpeech tts;
    public List<String> languages = new ArrayList<String>();
    public ArrayList<Language> languageList = new ArrayList<Language>();
    public ArrayAdapter<Language> spinnerArrayAdapter;
    public Language selectedLanguage;
    public static final int PICK_IMAGE_ID = 234; // the number doesn't matter
    thingtranslator2.jalle.com.thingtranslator2.Tools.MarshMallowPermission marshMallowPermission = new thingtranslator2.jalle.com.thingtranslator2.Tools.MarshMallowPermission(this);

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
        ButterKnife.bind(this);
        btnSpeaker = (ImageButton)findViewById(R.id.imgSpeaker);
        imgPhoto = (ImageButton)findViewById(R.id.imgPhoto);
        spinner = (Spinner)findViewById(R.id.spinner);
        txtTranslation = (TextView)findViewById(R.id.txtTranslation);

        //init our Shared preferences helper
        new Prefs.Builder()
                .setContext(this)
                .setMode(ContextWrapper.MODE_PRIVATE)
                .setPrefsName(getPackageName())
                .setUseDefaultSharedPreference(true)
                .build();

        //  Prefs.clear();
        firstRun = Prefs.getBoolean("firstRun", true);
        spinner.setOnItemSelectedListener(this);
        tts = new TextToSpeech(getApplicationContext(), new TextToSpeech.OnInitListener() {
            @Override
            public void onInit(int status) {
                if (status != TextToSpeech.ERROR) {
                    fillSpinner();


                }
            }
        });


        if (firstRun) {
            Prefs.putBoolean("firstRun", false);
            Prefs.putBoolean("speakerOn", true);
            Prefs.putString("langCode", "bs");
        }
        setSpeaker();
    }

    private void setSpeaker() {
        int id = Prefs.getBoolean("speakerOn", false) ? R.drawable.ic_volume : R.drawable.ic_volume_off;
        btnSpeaker.setImageBitmap(BitmapFactory.decodeResource(getResources(), id));
    }

    public void ToogleSpeaker(View v) {
        Prefs.putBoolean("speakerOn", !Prefs.getBoolean("speakerOn", false));
        setSpeaker();
        Toast.makeText(getApplicationContext(), "Speech " + (Prefs.getBoolean("speakerOn", true) ? "On" : "Off"), Toast.LENGTH_SHORT);
    }

    private void fillSpinner() {
        Iterator itr = tts.getAvailableLanguages().iterator();
        while (itr.hasNext()) {
            Locale item = (Locale) itr.next();
            languageList.add(new Language(item.getDisplayName(), item.getLanguage()));
        }
        //Sort that array
        Collections.sort(languageList, new Comparator<Language>() {
            @Override
            public int compare(Language o1, Language o2) {
                return o1.getlangCode().compareTo(o2.getlangCode());
            }
        });

        spinnerArrayAdapter = new ArrayAdapter<Language>(this, R.layout.spinner_item, languageList);
        spinnerArrayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        spinner.setAdapter(spinnerArrayAdapter);

        String def = Prefs.getString("langCode", "bs");
        for (Language lang : languageList) {
            if (lang.getlangCode().equals(def)) {
                spinner.setSelection(languageList.indexOf(lang));
            }
        }
    }



    //Get image from  Gallery or Camera
    public void getImage(View v) {
        if (!marshMallowPermission.checkPermissionForCamera()) {
            marshMallowPermission.requestPermissionForCamera();
        } else {
            if (!marshMallowPermission.checkPermissionForExternalStorage()) {
                marshMallowPermission.requestPermissionForExternalStorage();
            } else {
                Intent chooseImageIntent = thingtranslator2.jalle.com.thingtranslator2.Tools.ImagePicker.getPickImageIntent(getApplicationContext());
                startActivityForResult(chooseImageIntent, PICK_IMAGE_ID);
            }
        }
    }


    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (data == null) return;

        switch (requestCode) {
            case PICK_IMAGE_ID:
                Bitmap bitmap = thingtranslator2.jalle.com.thingtranslator2.Tools.ImagePicker.getImageFromResult(this, resultCode, data);
                imgPhoto.setImageBitmap(null);
                imgPhoto.setBackground(null);
                imgPhoto.setImageBitmap(bitmap);
                imgPhoto.invalidate();
                imgPhoto.postInvalidate();

                File file = null;
                try {
                    file = savebitmap(bitmap, "pic.jpeg");
                } catch (IOException e) {
                    e.printStackTrace();
                }
                uploadImage(file);
                break;
            default:
                super.onActivityResult(requestCode, resultCode, data);
                break;
        }
    }

    private void uploadImage(File file) {
        RequestBody body = RequestBody.create(MediaType.parse("image/*"), file);
        RequestBody langCode1 = RequestBody.create(MediaType.parse("text/plain"), selectedLanguage.langCode);

        final ProgressDialog progress = new ProgressDialog(this);
        progress.setMessage("Processing image...");
        progress.setProgressStyle(ProgressDialog.STYLE_SPINNER);
        progress.setIndeterminate(true);
        progress.show();


        ApiInterface mApiService = ApiInterface.retrofit.create(ApiInterface.class);
        Call<Translation> mService = mApiService.upload(body, langCode1);
        mService.enqueue(new Callback<Translation>() {
            @Override
            public void onResponse(Call<Translation> call, Response<Translation> response) {
                progress.hide();
                Translation result = response.body();
                txtTranslation.setText(result.Translation);
                txtTranslation.invalidate();

                if (Prefs.getBoolean("speakerOn", true)) {
                    tts.speak(result.Translation, TextToSpeech.QUEUE_FLUSH, null);
                }
            }

            @Override
            public void onFailure(Call<Translation> call, Throwable t) {
                call.cancel();
                progress.hide();
                Toast.makeText(getApplicationContext(), "Error: " + t.getMessage(), Toast.LENGTH_LONG).show();
            }
        });
    }


    public static File savebitmap(Bitmap bmp, String fName) throws IOException {
        ByteArrayOutputStream bytes = new ByteArrayOutputStream();
        bmp.compress(Bitmap.CompressFormat.JPEG, 60, bytes);
        File f = new File(Environment.getExternalStorageDirectory()
                + File.separator + fName);
        f.createNewFile();
        FileOutputStream fo = new FileOutputStream(f);
        fo.write(bytes.toByteArray());
        fo.close();
        return f;
    }


    @Override
    public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {

        selectedLanguage = (Language) spinner.getSelectedItem();
        //  langCode = languages.get(position);
        tts.setLanguage(Locale.forLanguageTag(selectedLanguage.langCode));
        Prefs.putString("langCode", selectedLanguage.langCode);
    }

    @Override
    public void onNothingSelected(AdapterView<?> parent) {

    }
}

activity_main.xml文件：

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/colorBlack"
    android:paddingBottom="8dp"
    android:paddingLeft="8dp"
    android:paddingRight="8dp"
    android:paddingTop="8dp"
    tools:context="thingtranslator2.jalle.com.thingtranslator2.MainActivity">

    <LinearLayout
        android:id="@+id/layout1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="10dp"
        android:gravity="center_vertical"
        android:orientation="horizontal"
        android:weightSum="1">

        <Spinner
            android:id="@+id/spinner"
            android:layout_width="100dp"
            android:layout_height="match_parent"
            android:layout_marginBottom="16dp"
            android:layout_weight="0.91"
            android:gravity="bottom|end" />

        <ImageButton
            android:id="@+id/imgSpeaker"
            android:layout_width="wrap_content"
            android:layout_height="50dp"
            android:layout_gravity="end"
            android:layout_weight=".10"
            android:background="@android:color/transparent"
            android:onClick="ToogleSpeaker"
            android:scaleType="fitCenter"
            app:srcCompat="@drawable/ic_volume"
            android:contentDescription="@string/todo" />
    </LinearLayout>

    <TextView
        android:id="@+id/txtTranslation"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/layout1"
        android:layout_centerHorizontal="true"
        android:layout_marginBottom="16dp"
        android:gravity="center_horizontal"
        android:onClick="getImage"
        android:text="@string/select_image_from_n_gallery_or_take_new_photo"
        android:textColor="@android:color/white"
        android:textSize="26sp"
        tools:text="message" />

    <ImageButton
        android:id="@+id/imgPhoto"
        android:layout_width="fill_parent"
        android:layout_height="400dp"
        android:layout_alignParentBottom="true"
        android:layout_alignParentStart="true"
        android:layout_below="@id/txtTranslation"
        android:background="@drawable/takephoto"
        android:onClick="getImage" />
</RelativeLayout>

AndroidMnifest：

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="thingtranslator2.jalle.com.thingtranslator2">

    <uses-feature android:name="android.hardware.camera" />
    <uses-permission android:name="android.permission.CAMERA" />
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-feature android:name="android.hardware.camera.autofocus" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity" >

            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
</manifest>