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Android Studio cursor display error


Android Studio cursor display error

By : Michal Konderla
Date : November 28 2020, 09:01 AM
I wish this helpful for you My Android Studio gone strangely. , Press keyboard key "INSERT" Cursor Bold On-Off
code :


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Android cursor Error : Make sure the Cursor is initialized correctly before accessing data from it

Android cursor Error : Make sure the Cursor is initialized correctly before accessing data from it


By : Rameez Hasan
Date : March 29 2020, 07:55 AM
Hope this helps I am going to implement the method to retrieve the record of the strings but when it comes to the execution , it turns Runtime Error as the Log cat stated. Would you please tell us how in correctly initialise the cursor ? , The error message says
code :
if(cur!=null){
    // Best to manage any non-null cursor as then it will be closed when the
    // activity is stopped
    startManagingCursor(cur);
    // Only if a row was found
    if(cur.moveToFirst()) {
        Log.d("debug Cursor" , "can be created");
        Log.d("KEY_PHOTO_HKID_HEX" , cur.getString(1));
        Log.d("KEY_PHOTO_ADDRESS_HEX" , cur.getString(2));
        Log.d("KEY_PHOTO_BANK_HEX" , cur.getString(3));
    }else{
        // Handle no rows returned
    }
}else{
    Log.d("debug Cursor" , "cannot be created");
}
Cursor Error On Android Studio

Cursor Error On Android Studio


By : Blitz Techx
Date : March 29 2020, 07:55 AM
it helps some times Well, looked into your code, I found that:
Your DatabaseHelper.COL1 is CategId while when onCreate you use CategID as column name
Android Studio Suddenly started to display unable to resolve com.android.support...25.0.0 error messages and all of my j

Android Studio Suddenly started to display unable to resolve com.android.support...25.0.0 error messages and all of my j


By : safia.rb
Date : March 29 2020, 07:55 AM
I hope this helps you . Open your android SDK manager (from C:\Users\youruseraccount\AppData\Local\Android\sdk) and update following to latest versions in,
Tools section section
error capture photo and display thumbnail android studio

error capture photo and display thumbnail android studio


By : sunchao0427
Date : March 29 2020, 07:55 AM
This might help you The default Android camera application returns a non-null intent only when passing back a thumbnail in the returned Intent. If you pass EXTRA_OUTPUT with a URI to write to, it will return a null intent and the picture is in the URI that you passed in.
So since your passing EXTRA_OUTPUT location with your intent it will always retun the null with data and i.e in your case now the photo / captured image is at photoURI path.
code :
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data){
    super.onActivityResult(requestCode, resultCode, data);
    if (resultCode == RESULT_OK && requestCode == REQUEST_TAKE_PHOTO) {

        Uri uri = Uri.fromFile(photoFile);  // Here photo file is the file EXTRA_OUTPUT location where you saved the actual camera image
        Bitmap bitmap;
        try {
            bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), uri);
            bitmap = crupAndScale(bitmap, 300); // if you mind scaling
            pofileImageView.setImageBitmap(bitmap);
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        imageView.setImageBitmap(bitmap);
    }

}
public static  Bitmap crupAndScale (Bitmap source,int scale){
    int factor = source.getHeight() <= source.getWidth() ? source.getHeight(): source.getWidth();
    int longer = source.getHeight() >= source.getWidth() ? source.getHeight(): source.getWidth();
    int x = source.getHeight() >= source.getWidth() ?0:(longer-factor)/2;
    int y = source.getHeight() <= source.getWidth() ?0:(longer-factor)/2;
    source = Bitmap.createBitmap(source, x, y, factor, factor);
    source = Bitmap.createScaledBitmap(source, scale, scale, false);
    return source;
}
Error display where generate singed APK from android studio

Error display where generate singed APK from android studio


By : d_corson
Date : March 29 2020, 07:55 AM
I hope this helps you . Lint found fatal errors while assembling a release target. , change on build.gradle file inside android {} like below
code :
    android {
    compileSdkVersion 27
    defaultConfig {
        applicationId "com.xxx"
        minSdkVersion 15
        targetSdkVersion 27
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard- 
           rules.pro'
        }
    }
    lintOptions {
        checkReleaseBuilds false
        abortOnError false
    }

}
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