I have an app with thwo activities. The first Activity used Toolbar but the second Activity should use ActionBar. When I call the second Activity from the first the app takes off. What's the problem?
Manifest:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.nikva.easyreading">
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.INTERNET" />
<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"
android:label="@string/title_activity_main"
android:theme="@style/AppTheme.NoActionBar">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
<activity
android:name=".FileManager"
android:theme="@style/AppTheme"/>
<activity
android:name=".ReaderActivity"
android:theme="@style/MainTheme"/>
</application>
styles:
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
<!-- Customize your theme here. -->
<item name="android:windowActionBar">true</item>
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/White</item>
</style>
Xmlcode of sec Activity:
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ProgressBar
android:layout_gravity="center_horizontal|center_vertical"
android:visibility="invisible"
style="?android:attr/progressBarStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/pBar"/>
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/lin">
<ListView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/list"
android:layout_gravity="bottom"/>
</LinearLayout>
error message:
03-02 22:06:38.980 6648-6648/com.example.nikva.easyreading E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.nikva.easyreading, PID: 6648 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.nikva.easyreading/com.example.nikva.easyreading.FileManager}: java.lang.IllegalStateException: This Activity already has an action bar supplied by the window decor. Do not request Window.FEATURE_SUPPORT_ACTION_BAR and set windowActionBar to false in your theme to use a Toolbar instead. at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2695) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2769) at android.app.ActivityThread.access$900(ActivityThread.java:177) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1430) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5910) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1405) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1200) Caused by: java.lang.IllegalStateException: This Activity already has an action bar supplied by the window decor. Do not request Window.FEATURE_SUPPORT_ACTION_BAR and set windowActionBar to false in your theme to use a Toolbar instead. at android.support.v7.app.AppCompatDelegateImplV9.setSupportActionBar(AppCompatDelegateImplV9.java:203) at android.support.v7.app.AppCompatActivity.setSupportActionBar(AppCompatActivity.java:133) at com.example.nikva.easyreading.FileManager.onCreate(FileManager.java:52) at android.app.Activity.performCreate(Activity.java:6178) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1118) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2648) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2769) at android.app.ActivityThread.access$900(ActivityThread.java:177) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1430) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5910) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1405) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1200)
"fileManager.class"
package com.example.nikva.easyreading;
/**
* Created by nikva on 08.02.2017.
*/
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.Toast;
import java.io.File;
import java.util.ArrayList;
/**
* Created by [email protected]
* The class that responsible for the navigation of files(File Manager).
* @author Nikita Vasko
*/
public class FileManager extends AppCompatActivity implements AdapterView.OnItemClickListener {
ListView listOfDirs;
ArrayList<String> paths = new ArrayList<>();
String currentPath = "";
ProgressBar pBar;
Toolbar tBar;
final private String TAG = "myTags";
private static final String KEY_LIST = "LIST";
private static final String KEY_PATH = "CURRENT_PATH";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_file_manager);
listOfDirs = (ListView) findViewById(R.id.list);
listOfDirs.setOnItemClickListener(this);
pBar = (ProgressBar) findViewById(R.id.pBar);
tBar = (Toolbar) findViewById(R.id.tb);
setSupportActionBar(tBar);
Log.d(TAG, "Менеджер запущен.");
if (savedInstanceState == null) {
paths.add("/storage/emulated/0/");
paths.add("/storage/extSdCard/");
ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1,
paths);
listOfDirs.setAdapter(adapter);//Creating a primary form of application
}
else{
currentPath = savedInstanceState.get(KEY_PATH).toString();
paths = savedInstanceState.getStringArrayList(KEY_LIST);
ArrayAdapter<String> adapter = new ArrayAdapter<>(this, R.layout.item,
paths);
listOfDirs.setAdapter(adapter);
}
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putStringArrayList(KEY_LIST, paths);
outState.putString(KEY_PATH, currentPath);
}
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) {
String localPath = paths.get(position);
if (localPath.equals("...")) {
Log.d(TAG, "Переход на уровень ниже");
upOnLevel();
} else {
transition(localPath);
}
}
/**
* Method performs transition to new directory.
* @param currentDirectory - current directory or file that user selected.
*/
void transition(String currentDirectory){
if (currentDirectory.equals(".android_secure")) {
Toast.makeText(this, "Доступ закрыт.", Toast.LENGTH_SHORT).show();
return;
}
if (new File(currentPath + currentDirectory).isFile()) {
Intent intent;
String pathToFile = currentPath + currentDirectory;
if (pathToFile.contains(".txt")) {
pBar.setVisibility(View.VISIBLE);
intent = new Intent(this, ReaderActivity.class);
intent.putExtra("PATH_TO_BOOK", pathToFile);
startActivity(intent);
pBar.setVisibility(View.INVISIBLE);
}
else {
Toast.makeText(this, "Эта версия работает только с txt-файлами",
Toast.LENGTH_SHORT).show();
}
}
else {
if (currentPath.equals("")) {
Log.d(TAG, "Создание пути в новое хранилище.");
currentPath = currentDirectory;
} else {
Log.d(TAG, "Создание пути в новую директорию");
currentPath = currentPath + currentDirectory + "/";
}
File file = new File(currentPath);
Log.d(TAG, "Создание объекта File " + file.getPath());
if (file.isDirectory()) {
Log.d(TAG, "Выбрана директория");
fill(file.list());
} else {
Log.d(TAG, "Выбран файл");
return;
}
}
}
/**
* Method performs transition to upper level.
*/
void upOnLevel(){
//If user want to go to the first level then paths setting manually
Log.d(TAG, "Проверка: на каком уровне находится приложение" + new File(currentPath).getParent());
if (new File(currentPath).getParent().equals("/storage/emulated") ||
new File(currentPath).getParent().equals("/storage")){
Log.d(TAG, "Возвращаемся на первый уровень");
String [] s = {"/storage/emulated/0/", "/storage/extSdCard/"};
currentPath = "";
fill(s);
} else{
String path = new File(currentPath).getParent() + '/';
currentPath = "";
transition(path);
}
}
/**
* Method which fills ListView with new directories or files from directory that was selected
* by user.
* @param dirs - list of elements from new directory.
*/
void fill(String [] dirs){
Log.d(TAG, "Заполнение ListView");
paths.clear();
if (!currentPath.equals("")){
paths.add("...");
}
for (int i = 0; i < dirs.length; i++){
paths.add(dirs[i]);
}
Log.d(TAG, "Создание адаптера");
ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1,
paths);
listOfDirs.setAdapter(adapter);
}
}
