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

Stack Overflow | Roman Fedoruk | 5 months ago
  1. 0

    java.lang.IllegalStateException App crashes right away

    Stack Overflow | 5 months ago | Roman Fedoruk
    java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
  2. 0

    Clash when pressed "Using custom tab and background colors"

    GitHub | 5 months ago | honjiaxuan
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.bottombar.sample/com.example.bottombar.sample.CustomColorActivity}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
  3. 0

    Clash when pressed "Using custom tab and background colors"

    GitHub | 5 months ago | honjiaxuan
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.bottombar.sample/com.example.bottombar.sample.CustomColorActivity}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
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  5. 0

    Clash when pressed "Using custom tab and background colors"

    GitHub | 5 months ago | honjiaxuan
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.bottombar.sample/com.example.bottombar.sample.CustomColorActivity}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
  6. 0

    Robolectric IllegalState Exception

    Stack Overflow | 2 months ago | Hudson Worden
    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:340)
    2. android.support.v7.app.AppCompatDelegateImplV7.ensureSubDecor(AppCompatDelegateImplV7.java:309)
    3. android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:273)
    4. android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:136)
    4 frames
  3. com.example.roman
    MainActivity.onCreate
    1. com.example.roman.realestatecalculator.MainActivity.onCreate(MainActivity.java:32)
    1 frame
  4. Android Platform
    ActivityThread.performLaunchActivity
    1. android.app.Activity.performCreate(Activity.java:6876)
    2. android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1135)
    3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3207)
    3 frames