无法修改基本应用程序主题

unable to modify Base application theme

不编辑清单

<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/app_name"
        android:theme="@style/AppTheme.NoActionBar">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />
            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>

和values\styles

<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
    <item name="colorPrimary">@color/colorPrimary</item>
    <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
    <item name="colorAccent">@color/colorAccent</item>
</style>

我会犯这样的错误

02-09 20:42:47.567 24389-24389/? E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.golendukhin.settingsSwitcher, PID: 24389 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.golendukhin.settingsSwitcher/com.example.golendukhin.settingsSwitcher.MainActivity}: android.view.InflateException: Binary XML file line #2: Binary XML file line #2: Error inflating class android.support.design.widget.CoordinatorLayout at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2581) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2647) at android.app.ActivityThread.-wrap11(ActivityThread.java) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1502) at android.os.Handler.dispatchMessage(Handler.java:111) at android.os.Looper.loop(Looper.java:207) at android.app.ActivityThread.main(ActivityThread.java:5763) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:888) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:749) Caused by: android.view.InflateException: Binary XML file line #2: Binary XML file line #2: Error inflating class android.support.design.widget.CoordinatorLayout at android.view.LayoutInflater.inflate(LayoutInflater.java:539) at android.view.LayoutInflater.inflate(LayoutInflater.java:423) at android.view.LayoutInflater.inflate(LayoutInflater.java:374) at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:284) at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140) at com.example.golendukhin.settingsSwitcher.MainActivity.onCreate(MainActivity.java:61) at android.app.Activity.performCreate(Activity.java:6280) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1116) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2534) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2647)  at android.app.ActivityThread.-wrap11(ActivityThread.java)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1502)  at android.os.Handler.dispatchMessage(Handler.java:111)  at android.os.Looper.loop(Looper.java:207)  at android.app.ActivityThread.main(ActivityThread.java:5763)  at java.lang.reflect.Method.invoke(Native Method)  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:888)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:749)  Caused by: android.view.InflateException: Binary XML file line #2: Error inflating class android.support.design.widget.CoordinatorLayout at android.view.LayoutInflater.createView(LayoutInflater.java:645) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:764) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704) at android.view.LayoutInflater.inflate(LayoutInflater.java:492) at android.view.LayoutInflater.inflate(LayoutInflater.java:423)  at android.view.LayoutInflater.inflate(LayoutInflater.java:374)  at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:284)  at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140)  at com.example.golendukhin.settingsSwitcher.MainActivity.onCreate(MainActivity.java:61)  at android.app.Activity.performCreate(Activity.java:6280)  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1116)  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2534)  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2647)  at android.app.ActivityThread.-wrap11(ActivityThread.java)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1502)  at android.os.Handler.dispatchMessage(Handler.java:111)  at android.os.Looper.loop(Looper.java:207)  at android.app.ActivityThread.main(ActivityThread.java:5763)  at java.lang.reflect.Method.invoke(Native Method)  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:888)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:749)  Caused by: java.lang.reflect.InvocationTargetException at java.lang.reflect.Constructor.newInstance(Native Method) at android.view.LayoutInflater.createView(LayoutInflater.java:619) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:764)  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)  at android.view.LayoutInflater.inflate(LayoutInflater.java:492)  at android.view.LayoutInflater.inflate(LayoutInflater.java:423)  at android.view.LayoutInflater.inflate(LayoutInflater.java:374)  at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:284)  at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140)  at com.example.golendukhin.settingsSwitcher.MainActivity.onCreate(MainActivity.java:61)  at android.app.Activity.performCreate(Activity.java:6280)  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1116)  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2534)  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2647)  at android.app.ActivityThread.-wrap11(ActivityThread.java)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1502)  at android.os.Handler.dispatchMessage(Handler.java:111)  at android.os.Looper.loop(Looper.java:207)  at android.app.ActivityThread.main(ActivityThread.java:5763)  at java.lang.reflect.Method.invoke(Native Method)  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:888)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:749)  Caused by: java.lang.IllegalArgumentException: You need to use a Theme.AppCompat theme (or descendant) with the design library. at android.support.design.widget.ThemeUtils.checkAppCompatTheme(ThemeUtils.java:36) at android.support.design.widget.CoordinatorLayout.(CoordinatorLayout.java:192) at android.support.design.widget.CoordinatorLayout.(CoordinatorLayout.java:186) at java.lang.reflect.Constructor.newInstance(Native Method)  at android.view.LayoutInflater.createView(LayoutInflater.java:619)  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:764)  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)  at android.view.LayoutInflater.inflate(LayoutInflater.java:492)  at android.view.LayoutInflater.inflate(LayoutInflater.java:423)  at android.view.LayoutInflater.inflate(LayoutInflater.java:374)  at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:284)  at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140)  at com.example.golendukhin.settingsSwitcher.MainActivity.onCreate(MainActivity.java:61)  at android.app.Activity.performCreate(Activity.java:6280)  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1116)  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2534)  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2647)  at android.app.ActivityThread.-wrap11(ActivityThread.java)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1502)  at android.os.Handler.dispatchMessage(Handler.java:111)  at android.os.Looper.loop(Looper.java:207)  at android.app.ActivityThread.main(ActivityThread.java:5763)  at java.lang.reflect.Method.invoke(Native Method)  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:888)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:749)

问题是——我犯了什么样的错误。 使用相同的清单和样式文件创建新的 "Hello World!" 项目效果很好。在这两个项目中,Main Activity 扩展了 AppCompatActivity。 完全无法理解项目发生了什么。

谷歌搜索为我提供了更改清单中主题的想法。 我这样做并替换了

android:theme="@style/AppTheme.NoActionBar">

android:theme="@style/Theme.AppCompat">

主题变暗,在 "Style" 中设置样式无效。 我什至删除了基本应用程序主题 - 没有效果。所以,这不是一个正确的方法。 需要任何帮助,我什至不知道下一步该做什么。

解决方案并不明显。 我已经从 Manifest 的 "activity" 节点中删除了 <!--android:theme="@style/Theme.AppCompat">-->,将 <style name="AppTheme"parent="Theme.AppCompat.Light.DarkActionBar"> 重命名为 <style name="MainTheme" parent="Theme.AppCompat.Light.DarkActionBar"> 并将我重命名的 MainTheme 应用到 Manifest "application" 节点中的所有应用程序 android:theme="@style/MainTheme"> 应用程序现在工作。可能 "AppTheme" 在 android 中以某种方式预定义。 感谢 lalit jadhav 提供的指导教程。他真的很有帮助。

清单 ...

<application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/MainTheme">
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name">
            <!--android:theme="@style/Theme.AppCompat">-->
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

...

styles.xml

<!-- Base application theme. -->
    <style name="MainTheme" parent="Theme.AppCompat.Light.DarkActionBar">
        <item name="colorPrimary">@color/colorPrimary</item>
        <!--<item name="colorPrimaryDark">@color/colorPrimary</item>-->
        <!--<item name="colorAccent">@color/colorPrimary</item>-->
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
    </style>