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>