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POAndroid : Fatal Exception Main toast
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  1. POAndroid : Fatal Exception Main toast
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    copied!<p>Hi i always have this error: Android : Fatal Exception Main!! It's my first app and so i have several problems..i can't understand how android works :( :</p> <pre><code>package com.mkyong.android; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.Toast; import com.example.toast.R; public class MainActivity extends Activity { private Button button; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); button = (Button) findViewById(R.id.button1); button.setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { Toast.makeText(getApplicationContext(), "Button is clicked", Toast.LENGTH_LONG).show(); } }); } } </code></pre> <p>This is the main.xml:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" &gt; &lt;Button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/show_toast" tools:ignore="HardcodedText" /&gt; &lt;/LinearLayout&gt; </code></pre> <p>This is the manifest:</p> <pre><code>&lt;manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.toast" android:versionCode="1" android:versionName="1.0" &gt; &lt;uses-sdk android:minSdkVersion="8" android:targetSdkVersion="17" /&gt; &lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/&gt; &lt;application android:allowBackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" &gt; &lt;activity android:name=".MainActivity" android:label="@string/app_name" &gt; &lt;intent-filter&gt; &lt;action android:name="android.intent.action.MAIN" /&gt; &lt;category android:name="android.intent.category.LAUNCHER" /&gt; &lt;/intent-filter&gt; &lt;/activity&gt; &lt;/application&gt; &lt;/manifest&gt; </code></pre> <p>Here's the logcat output:</p> <p><img src="https://i.stack.imgur.com/laAS8.png" alt="enter image description here"></p>
 

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