Category Archives: Bugs, warnings, errors

Bugs and errors in IDE Eclipse or Android ADT emulator

432 views

Android 4.4 Lenovo A6000 black screen

Try reboot device. Start device with start button on side of phone. Screen will go to light black color. Long press Start button for menu: Power off Reboot Airplane mode Reboot item is in same level like Start button. Click … Continue reading

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805 views

Expected resource of type raw drawable

Try insert + before R.drawable.xxxx // error InputStream is = context.getResources().openRawResource(R.drawable.app_sample_code);   // ok InputStream is = context.getResources().openRawResource(+R.drawable.app_sample_code);

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1,247 views

Call requires permission which may be rejected by user

Call requires permission which may be rejected by user: code should explicitly check to see if permission is available (with `checkPermission`) or explicitly handle a potential `SecurityException`   try { // your code for example: // LocationManager locationManager = (LocationManager) … Continue reading

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1,213 views

Error type 3 Activity class does not exist

Try some solution – each individually or all Check AndroidManifest.xml activity declaration <activity android:name=".EnableProfileActivity" android:label="@string/app_name" /> Delete BUILD folder in module tree and Clean / Rebuild project Restart Android Studio

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1,360 views

EditText.setOnKeyListener not working on maxLines EditText

Check this in XML file if use singleLine singleLine change to maxLines (1 if singleLine) declare inputType android:maxLines="1" android:inputType="text"

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1,483 views

EditText hint not show

Try this solution – into xml file add row to EditText tag: android:textColorHint="@color/grey"

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2,937 views

All com.android.support libraries must use the exact same version specification

For example: If You using compileSdkVersion 25 buildToolsVersion “25.0.0” You have to using latest version of support libraries with number 25. Also check the library project!   apply plugin: ‘com.android.application’   android { compileSdkVersion 25 buildToolsVersion "25.0.0"   defaultConfig { … Continue reading

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1,966 views

InterstitialAd Admob not visible

// on bottom of onCreate add listener mInterstitialAd .setAdListener(new AdListener(){ public void onAdLoaded(){ interstitial.show(); } });   } // end onCreate   public void displayInterstitial (){ if (mInterstitialAd.isLoaded()) { mInterstitialAd.show(); } }

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1,631 views

Android Studio emulator errors warnings issue

– check errors, warnings in build.gradle and other files – Sync project – Clean project – Rebuild project – restart Android Studio – restart ADB – update Tools, libraries, etc. Speed Up Gradle Build In Android Studio -a android.intent.action.MAIN -c … Continue reading

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1,217 views

FrameLayout fragment not visible Android

ListFragment show only one item issue Try to change layout_width to 0dp <fragment android:name="cz.okhelp.android.fragchangfromlist.ArticleFragment" android:id="@+id/article_fragment" android:layout_weight="2" android:layout_width="0dp" android:layout_height="match_parent" /> <!–todo LAYOUT_WIDTH have to be 0dp !!!!!!!!!!!!!!!!!!!!! –>   <FrameLayout android:id="@+id/article_fragment" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="2" />

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