Java &引用;不要请求Window.FEATURE“支持”操作栏,并在主题中将WindowActionBar设置为false以使用工具栏;
每当我试图在Android Studio上的仿真器中运行我的应用程序时,如果启动时应用程序崩溃,就会出现错误“不要请求窗口。功能\支持\操作\栏,并在主题中将WindowActionBar设置为false以改为使用工具栏”。我知道以前有人问过这个问题,但是当我删除Java &引用;不要请求Window.FEATURE“支持”操作栏,并在主题中将WindowActionBar设置为false以使用工具栏;,java,android,Java,Android,每当我试图在Android Studio上的仿真器中运行我的应用程序时,如果启动时应用程序崩溃,就会出现错误“不要请求窗口。功能\支持\操作\栏,并在主题中将WindowActionBar设置为false以改为使用工具栏”。我知道以前有人问过这个问题,但是当我删除extends-AppCompatActivity时,正如我在其他帖子中被告知的那样,它会给我一个错误,代码中的setSupportActionBar(toolbar)行稍微靠下一点 据我所知,这是一个错误,Android Studio
extends-AppCompatActivity
时,正如我在其他帖子中被告知的那样,它会给我一个错误,代码中的setSupportActionBar(toolbar)
行稍微靠下一点
据我所知,这是一个错误,Android Studio对本机工具栏和我试图实现的工具栏感到困惑。也许我误解了问题的症结所在?为什么在我去掉extends语句后,setSupportActionBar(工具栏)
会给我一个错误
主要活动是使用“AppTheme”
谢谢
主要活动代码供参考:
package com.treehouse.android.movies;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.GridView;
import android.widget.Toast;
import java.util.ArrayList;
//extends AppCompatActivity
public class MainActivity extends AppCompatActivity
{
static public ArrayList<Movie> moviesList;
static public ArrayList<String> images;
public String mostPopular="http://api.themoviedb.org/3/movie/popular?api_key=";
public String highRated="http://api.themoviedb.org/3/movie/top_rated?api_key=";
//Make both GridAdapter and GridView non-Static?
static public GridAdapter gridAdapter;
static public GridView gridView;
public static boolean connectionEnabled;
public Context currentContext;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
String result="";
moviesList=new ArrayList<>();
images=new ArrayList<>();
currentContext=getApplicationContext();
if (isNetworkAvailable()!= false) {
connectionEnabled=true;
getJsonData(0);
new GetMovies(currentContext);
gridView =(GridView) findViewById(R.id.moviesGridView);
gridAdapter =new GridAdapter(MainActivity.this,moviesList,images);
gridView.setAdapter(gridAdapter);
gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Intent movieIntent=new Intent(getApplicationContext(),DetailsActivity.class);
Log.i("Default position ", String.valueOf(position));
movieIntent.putExtra("position",position);
startActivity(movieIntent);
}
});
}
else{
Toast.makeText(this, "Network Is Not Available", Toast.LENGTH_LONG).show();
connectionEnabled=false;
}
}
public boolean isNetworkAvailable() {
ConnectivityManager connectivityManager
= (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();
return activeNetworkInfo != null && activeNetworkInfo.isConnected();
}
//get json file
//0 for most popular
//1 for highest-rated
public void getJsonData(int searchBy){
GetMovies downloadTask=new GetMovies(currentContext);
try {
if (searchBy == 0 ){
downloadTask.execute(mostPopular);
}
else if(searchBy == 1){
downloadTask.execute(highRated);
}
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.mostpopular_button) {
if (isNetworkAvailable()!= false) {
new GetMovies(currentContext).execute(mostPopular);
gridAdapter.notifyDataSetChanged();
}
else{
Toast.makeText(this, "Network Is Not Available", Toast.LENGTH_LONG).show();
}
}
else if (id== R.id.highrated_button){
if (isNetworkAvailable()!= false) {
new GetMovies(currentContext).execute(highRated);
gridAdapter.notifyDataSetChanged();
}
else{
Toast.makeText(this, "Network Is Not Available", Toast.LENGTH_LONG).show();
}
}
return super.onOptionsItemSelected(item);
}
}
<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>
</style>
<style name="AppTheme.NoActionBar">
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
</style>
<style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
<style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
</resources>
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.treehouse.android.movies" >
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true" >
<!-- android:theme="@style/AppTheme" part of application -->
<activity android:name=".MainActivity" >
<intent-filter>
<action android:name="android.intent.action.MAIN"
android:theme="@style/AppTheme"
/>
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
package com.treehouse.android.movies;
导入android.app.Activity;
导入android.content.Context;
导入android.content.Intent;
导入android.net.ConnectivityManager;
导入android.net.NetworkInfo;
导入android.support.v7.app.AppActivity;
导入android.support.v7.widget.Toolbar;
导入android.os.Bundle;
导入android.util.Log;
导入android.view.Menu;
导入android.view.MenuItem;
导入android.view.view;
导入android.widget.AdapterView;
导入android.widget.GridView;
导入android.widget.Toast;
导入java.util.ArrayList;
//扩展AppCompative活动
公共类MainActivity扩展了AppCompatActivity
{
静态公共阵列列表;
静态公共阵列图像;
公共字符串mostPopular=”http://api.themoviedb.org/3/movie/popular?api_key=";
公共字符串高评级=”http://api.themoviedb.org/3/movie/top_rated?api_key=";
//使GridAdapter和GridView都成为非静态的?
静态公共网格适配器;
静态公共GridView GridView;
公共静态布尔连接已启用;
公共语境;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar Toolbar=(Toolbar)findViewById(R.id.Toolbar);
设置支持操作栏(工具栏);
字符串结果=”;
moviesList=newarraylist();
images=newarraylist();
currentContext=getApplicationContext();
如果(isNetworkAvailable()!=false){
connectionEnabled=true;
getJsonData(0);
新GetMovies(currentContext);
gridView=(gridView)findViewById(R.id.moviesGridView);
gridAdapter=新的gridAdapter(MainActivity.this、moviesList、images);
setAdapter(gridAdapter);
setOnItemClickListener(新的AdapterView.OnItemClickListener(){
@凌驾
public void onItemClick(AdapterView父对象、视图、整型位置、长id){
Intent movieIntent=newintent(getApplicationContext(),DetailsActivity.class);
Log.i(“默认位置”,String.valueOf(位置));
电影意图。额外(“位置”,位置);
startActivity(电影意向);
}
});
}
否则{
Toast.makeText(此“网络不可用”,Toast.LENGTH_LONG.show();
connectionEnabled=false;
}
}
公共布尔值isNetworkAvailable(){
连接管理器连接管理器
=(ConnectionManager)getSystemService(Context.CONNECTIVITY_服务);
NetworkInfo activeNetworkInfo=connectivityManager.getActiveNetworkInfo();
返回activeNetworkInfo!=null&&activeNetworkInfo.isConnected();
}
//获取json文件
//0表示最受欢迎的
//最高评级为1
public void getJsonData(int searchBy){
GetMovies downloadTask=新建GetMovies(当前上下文);
试一试{
如果(searchBy==0){
downloadTask.execute(大多数人);
}
else if(searchBy==1){
下载任务。执行(高级别);
}
}捕获(例外e){
e、 printStackTrace();
}
}
@凌驾
公共布尔onCreateOptions菜单(菜单){
//为菜单充气;这会将项目添加到操作栏(如果存在)。
getMenuInflater().充气(右菜单菜单菜单主菜单);
返回true;
}
@凌驾
公共布尔值onOptionsItemSelected(菜单项项){
//处理操作栏项目单击此处。操作栏将
//自动处理Home/Up按钮上的点击,只要
//在AndroidManifest.xml中指定父活动时。
int id=item.getItemId();
//noinspection SimplifiableIf语句
if(id==R.id.mostpopular\u按钮){
如果(isNetworkAvailable()!=false){
新建GetMovies(currentContext).execute(mostPopular);
gridAdapter.notifyDataSetChanged();
}
否则{
Toast.makeText(此“网络不可用”,Toast.LENGTH_LONG.show();
}
}
else if(id==R.id.highrated_按钮){
如果(isNetworkAvailable()!=false){
新建GetMovies(当前上下文)。执行(高级别);
gridAdapter.notifyDataSetChanged();
}
否则{
Toast.makeText(此“网络不可用”,Toast.LENGTH_LONG.show();
}
}
返回super.onOptionsItemSelected(项目);
}
}
样式代码供参考:
package com.treehouse.android.movies;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.GridView;
import android.widget.Toast;
import java.util.ArrayList;
//extends AppCompatActivity
public class MainActivity extends AppCompatActivity
{
static public ArrayList<Movie> moviesList;
static public ArrayList<String> images;
public String mostPopular="http://api.themoviedb.org/3/movie/popular?api_key=";
public String highRated="http://api.themoviedb.org/3/movie/top_rated?api_key=";
//Make both GridAdapter and GridView non-Static?
static public GridAdapter gridAdapter;
static public GridView gridView;
public static boolean connectionEnabled;
public Context currentContext;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
String result="";
moviesList=new ArrayList<>();
images=new ArrayList<>();
currentContext=getApplicationContext();
if (isNetworkAvailable()!= false) {
connectionEnabled=true;
getJsonData(0);
new GetMovies(currentContext);
gridView =(GridView) findViewById(R.id.moviesGridView);
gridAdapter =new GridAdapter(MainActivity.this,moviesList,images);
gridView.setAdapter(gridAdapter);
gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Intent movieIntent=new Intent(getApplicationContext(),DetailsActivity.class);
Log.i("Default position ", String.valueOf(position));
movieIntent.putExtra("position",position);
startActivity(movieIntent);
}
});
}
else{
Toast.makeText(this, "Network Is Not Available", Toast.LENGTH_LONG).show();
connectionEnabled=false;
}
}
public boolean isNetworkAvailable() {
ConnectivityManager connectivityManager
= (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();
return activeNetworkInfo != null && activeNetworkInfo.isConnected();
}
//get json file
//0 for most popular
//1 for highest-rated
public void getJsonData(int searchBy){
GetMovies downloadTask=new GetMovies(currentContext);
try {
if (searchBy == 0 ){
downloadTask.execute(mostPopular);
}
else if(searchBy == 1){
downloadTask.execute(highRated);
}
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.mostpopular_button) {
if (isNetworkAvailable()!= false) {
new GetMovies(currentContext).execute(mostPopular);
gridAdapter.notifyDataSetChanged();
}
else{
Toast.makeText(this, "Network Is Not Available", Toast.LENGTH_LONG).show();
}
}
else if (id== R.id.highrated_button){
if (isNetworkAvailable()!= false) {
new GetMovies(currentContext).execute(highRated);
gridAdapter.notifyDataSetChanged();
}
else{
Toast.makeText(this, "Network Is Not Available", Toast.LENGTH_LONG).show();
}
}
return super.onOptionsItemSelected(item);
}
}
<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>
</style>
<style name="AppTheme.NoActionBar">
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
</style>
<style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
<style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
</resources>
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.treehouse.android.movies" >
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true" >
<!-- android:theme="@style/AppTheme" part of application -->
<activity android:name=".MainActivity" >
<intent-filter>
<action android:name="android.intent.action.MAIN"
android:theme="@style/AppTheme"
/>
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
@颜色/原色
@颜色/原色暗
@颜色/颜色重音
假的
真的
<