摘要:本文将带你了解Android应用开发之Android Studio运行报错:You need to use a Theme.AppCompat theme (or descendant) with this activity. 的解决办法,希望本文对大家学Android有所帮助
本文将带你了解Android应用开发之Android Studio运行报错:You need to use a Theme.AppCompat theme (or descendant) with this activity. 的解决办法,希望本文对大家学Android有所帮助
#1、错误描述
今天,想实现Activity不显示标题栏的效果,在项目的AndroidManifest.xml文件,对相应的Activity添加属性
?1android:theme="@android:style/Theme.NoTitleBar"
具体代码如下:
?123456
结果运行app的时候,报了如下错误:
?1java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
具体错误log如下:
01-01 01:33:41.950 6637-6637/com.xtc.kuwo E/AndroidRuntime: FATAL EXCEPTION: mainProcess: com.xtc.kuwo, PID: 6637java.lang.RuntimeException: Unable to start activity ComponentInfo{com.xtc.kuwo/com.xtc.kuwo.module.view.activity.KuwoMusicPlayActivity}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity. at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2325) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387) at android.app.ActivityThread.access$800(ActivityThread.java:151) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5254) 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:955) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:750) Caused by: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity. at android.support.v7.app.AppCompatDelegateImplV7.createSubDecor(AppCompatDelegateImplV7.java:340) at android.support.v7.app.AppCompatDelegateImplV7.ensureSubDecor(AppCompatDelegateImplV7.java:309) at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:273) at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:136) at com.xtc.kuwo.module.view.activity.KuwoMusicPlayActivity.onCreate(KuwoMusicPlayActivity.java:57) at android.app.Activity.performCreate(Activity.java:5990) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387) at android.app.ActivityThread.access$800(ActivityThread.java:151) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5254) 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:955) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:750)
如下图所示:
2、错误分析
原来我的Activity继承自 android.support.v7.app.AppCompatActivity,而不是 android.app.Activity。
3、解决方法
方法1:
创建的activity时,如果不是那么强烈需要继承自AppCompatActivity,就直接继承Activity。
如将activity继承自AppCompatActivity:
public class MainActivity extends ActionBarActivity
改成activity继承自Activity:
public class MainActivity extends Activity
方法2:
还是想继承自AppCompatActivity,那么根据提示来使用AppCompat的theme,即将AndroidManifest.xml文件中关于Activity的主题配置改成:
android:theme="@style/Theme.AppCompat.Light.NoActionBar"
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