java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.

Stack Overflow | Ahmed Mujtaba | 7 months ago
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  1. 0

    You need to use a Theme.AppCompat theme (or descendant) with this activity error

    Stack Overflow | 7 months ago | Ahmed Mujtaba
    java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
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    You need to use a Theme.AppCompat theme (or descendant) with this activity.

    GitHub | 9 months ago | pandaApe
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.codetroopers.betterpickersapp/com.codetroopers.betterpickers.sample.ListSamples}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
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    GitHub | 6 months ago | iqbalprabu14
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.rspmibogor.reseravasi/com.rspmibogor.reseravasi.DashboardActivity}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
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    Error:-java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity

    Stack Overflow | 7 months ago | Nupur Bhagat
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.nupur.kezin_king/com.example.nupur.kezin_king.MainActivity}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
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    Android giving me a lot of errors after updating some SDK tools

    Stack Overflow | 7 months ago | Yik Jin
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.android.app/com.example.android.app.MainActivity}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
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Root Cause Analysis

  1. java.lang.IllegalStateException

    You need to use a Theme.AppCompat theme (or descendant) with this activity.

    at android.support.v7.app.AppCompatDelegateImplV7.createSubDecor()
  2. Android v7
    AppCompatActivity.setContentView
    1. android.support.v7.app.AppCompatDelegateImplV7.createSubDecor(AppCompatDelegateImplV7.java:343)
    2. android.support.v7.app.AppCompatDelegateImplV7.ensureSubDecor(AppCompatDelegateImplV7.java:312)
    3. android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:277)
    4. android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140)
    4 frames
  3. md5aac27d1f54e5651bf56c7cf1fe703c82
    MainActivity.onCreate
    1. md5aac27d1f54e5651bf56c7cf1fe703c82.MainActivity.n_onCreate(Native Method)
    2. md5aac27d1f54e5651bf56c7cf1fe703c82.MainActivity.onCreate(MainActivity.java:28)
    2 frames
  4. Android Platform
    ActivityThread.main
    1. android.app.Activity.performCreate(Activity.java:4465)
    2. android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
    3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1931)
    4. android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1992)
    5. android.app.ActivityThread.access$600(ActivityThread.java:127)
    6. android.app.ActivityThread$H.handleMessage(ActivityThread.java:1158)
    7. android.os.Handler.dispatchMessage(Handler.java:99)
    8. android.os.Looper.loop(Looper.java:137)
    9. android.app.ActivityThread.main(ActivityThread.java:4441)
    9 frames
  5. Java RT
    Method.invoke
    1. java.lang.reflect.Method.invokeNative(Native Method)
    2. java.lang.reflect.Method.invoke(Method.java:511)
    2 frames
  6. Android
    ZygoteInit.main
    1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:823)
    2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:590)
    2 frames
  7. Android Platform
    NativeStart.main
    1. dalvik.system.NativeStart.main(Native Method)
    1 frame