Android Studio 3.1.3 having issues with Constraint layout

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囚心锁ツ
囚心锁ツ 2021-01-12 06:14

I\'m trying to start a new project here but this problem is appearing. I can run the project and deploy it in an emulator but this Render problem and Using private resources

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8条回答
  • 2021-01-12 06:36

    Add 'Base.' before 'Theme.AppCompat.Light.DarkActionBar' in styles.xml . Worked for me.

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  • 2021-01-12 06:37

    You just need to change the following codes from the dependencies section of your build.gradle file:

    From:

    implementation 'com.android.support:appcompat-v7:28.0.0-rc02'
    implementation 'com.android.support:design:28.0.0-rc02'
    

    To:

    implementation 'com.android.support:appcompat-v7:28.0.0-alpha1'
    implementation 'com.android.support:design:28.0.0-alpha1'
    

    And then sync your project.

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  • 2021-01-12 06:38

    Try to use this:

    dependencies {
        implementation 'com.android.support:appcompat-v7:27.1.1'
        implementation 'com.android.support.constraint:constraint-layout:1.1.1'
    }
    

    Instead of constraint-layout:1.1.2.

    This solved my issue.

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  • 2021-01-12 06:41

    Had the same issue - went to SDK manager and installed additional SDK platforms; Oreo 8.1. It seems the issue was that the 'new' API 28 still has issues. It says partially installed, but I basically just checked the boxes for lower API's and it downloaded/installed:

    Additionally, I changed my build.gradle file's SDK version, buildTools, appcompat, and design versions as below. It works now and I will move back to API 28 at a later stage when these issues have been resolved.

    apply plugin: 'com.android.application'
    
    android {
    compileSdkVersion 27
    buildToolsVersion '27.0.3'
    defaultConfig {
        ...
        minSdkVersion 15
        targetSdkVersion 27
        ...
    
    dependencies {
    implementation 'com.android.support:appcompat-v7:27.0.0'
    implementation 'com.android.support.constraint:constraint-layout:1.1.2'
    implementation 'com.android.support:design:27.0.0'
    }
    
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  • 2021-01-12 06:43

    You can try RelativeLayout replace from Constraint Layout in content_main.xml and activity_main.xml

    Note: 1.Don't forget to end tag with RelativeLayout

    .../RelativeLayout>

    1. Sorry for bad English.
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  • 2021-01-12 06:52

    Make sure you unchecked OFF LINE option in settings > gradle, then sync the project again while connected on network

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