zod101 zod101 - 4 months ago 65
Android Question

error package android.support.design.widget does not exist

when i try to build my android project i get this errors


Error:(8, 37) error: package android.support.design.widget does not
exist Error:(18, 9) error: cannot find symbol class TabLayout
Error:(18, 32) error: cannot find symbol class TabLayout Error:(21,
33) error: cannot find symbol variable TabLayout Error:(27, 56) error:
package TabLayout does not exist Error:(48, 36) error: cannot find
symbol variable menu Error:(28, 57) error: package TabLayout does not
exist Error:Execution failed for task
':app:compileDebugJavaWithJavac'.


Compilation failed; see the compiler error output for details. Error:(55, 23) error: cannot find symbol variable action_settings



and this is my code

package com.chaos.creativo;

import android.os.Bundle;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.support.design.widget.TabLayout;

/**
* Created by ahmed on 3/7/2016.
*/
public class Signin_up extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.signing_up);
TabLayout tabLayout = (TabLayout) findViewById(R.id.tab_layout);
tabLayout.addTab(tabLayout.newTab().setText("SIGN IN"));
tabLayout.addTab(tabLayout.newTab().setText("SIGN UP"));
tabLayout.setTabGravity(TabLayout.GRAVITY_FILL);

final ViewPager viewPager = (ViewPager) findViewById(R.id.pager);
final PageAdapter adapter = new PageAdapter(getSupportFragmentManager(), tabLayout.getTabCount());

viewPager.setAdapter(adapter);
viewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout));
tabLayout.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
@Override
public void onTabSelected(TabLayout.Tab tab) {
viewPager.setCurrentItem(tab.getPosition());
}

@Override
public void onTabUnselected(TabLayout.Tab tab) {

}

@Override
public void onTabReselected(TabLayout.Tab tab) {

}
});
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}

return super.onOptionsItemSelected(item);
}
}


my build.gradle

> apply plugin: 'com.android.application'
>
> android {
> compileSdkVersion 23
> buildToolsVersion "23.0.2"
>
> defaultConfig {
> applicationId "com.chaos.creativo"
> minSdkVersion 18
> targetSdkVersion 23
> versionCode 1
> versionName "1.0"
> }
> buildTypes {
> release {
> minifyEnabled false
> proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
> }
> } }
>
> dependencies {
> compile fileTree(dir: 'libs', include: ['*.jar'])
> testCompile 'junit:junit:4.12'
> compile 'com.android.support:appcompat-v7:23.1.1'
> compile 'com.google.android.gms:play-services-ads:8.4.0'
> compile 'com.google.android.gms:play-services-identity:8.4.0'
> compile 'com.firebase:firebase-client-android:2.3.1'
> compile 'com.google.android.gms:play-services-gcm:8.4.0'
> compile 'com.android.support:support-v4:23.2'
> compile 'com.android.support:design:23.2' }

Answer

If you are using android studio then put following in gradle file and rebuild.

 compile 'com.android.support:support-v4:23.1.1'
 compile 'com.android.support:design:23.1.1'