package de.vogella.android.strictmode;

import java.io.BufferedWriter;
import java.io.OutputStreamWriter;

import android.app.Activity;
import android.os.Bundle;
import android.os.StrictMode;

public class TestStrictMode extends Activity {
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // Activate StrictMode
        StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder()
                .detectAll()
                .detectDiskReads()
                .detectDiskWrites()
                .detectNetwork() 
                 // alternatively .detectAll() for all detectable problems
                .penaltyLog()
                .penaltyDeath()
                .build());
        StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder()
                .detectLeakedSqlLiteObjects()
                .detectLeakedClosableObjects()
                // alternatively .detectAll() for all detectable problems
                .penaltyLog()
                .penaltyDeath()
                .build());
        
        // Test code
        setContentView(R.layout.main);
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        String eol = System.getProperty("line.separator");
        try {
            BufferedWriter writer = 
                    new BufferedWriter(
                            new OutputStreamWriter(
                            openFileOutput("myfile", 
                            MODE_WORLD_WRITEABLE)));
            writer.write("This is a test1." + eol);
            writer.write("This is a test2." + eol);
            writer.write("This is a test3." + eol);
            writer.write("This is a test4." + eol);
            writer.write("This is a test5." + eol);
            writer.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

<resources xmlns:android="http://schemas.android.com/apk/res/android">

    <!--
        Base application theme, dependent on API level. This theme is replaced
        by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
    -->
    <style name="AppBaseTheme" parent="android:Theme.Light">
        <!--
            Theme customizations available in newer API levels can go in
            res/values-vXX/styles.xml, while customizations related to
            backward-compatibility can go here.
        -->
    </style>

    <!-- Application theme. -->
    <style name="AppTheme" parent="AppBaseTheme">
        <!-- All customizations that are NOT specific to a API-level are here. -->
    </style>

    <style name="textHeader">
        <item name="android:padding">4dip</item>
        <item name="android:textAppearance">?android:attr/textAppearanceLarge</item>
        <item name="android:textColor">#000000</item>
        <item name="android:fontFamily">sans-serif-condensed</item>
    </style>

    <style name="textbody">
        <item name="android:padding">4dip</item>
        <item name="android:textAppearance">?android:attr/textAppearanceSmall</item>
        <item name="android:textSize">16sp</item>
        <item name="android:textColor">#c0c0c0</item>
    </style>

</resources>

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/FrameLayout1"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    >

    <TextView
        android:id="@+id/input"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom"
        android:layout_margin="16dp"
        android:text="@string/hello_world"
        android:textSize="32sp" />

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:contentDescription="image"
        android:src="@drawable/vogella" />

</FrameLayout>

package com.vogella.android.textview.spannablestring;

import android.app.Activity;
import android.os.Bundle;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.style.TextAppearanceSpan;
import android.view.Menu;
import android.widget.TextView;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        TextView textView = (TextView) findViewById(R.id.input);
        String header = "This is the header";
        String description = "This is the description";

        Spannable styledText = new SpannableString(header + "\n" + description);
        TextAppearanceSpan span1 = new TextAppearanceSpan(this,
                R.style.textHeader);
        TextAppearanceSpan span2 = new TextAppearanceSpan(this,
                R.style.textbody);
        styledText.setSpan(span1, 0, header.length(),
                Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
        styledText.setSpan(span2, header.length() + 1, header.length() + 1
                + description.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
        textView.setText(styledText);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

}

// Set the display size
adb shell am display-size 600x800

// Set the display density
adb shell am display-density 80

adb shell dumpsys gfxinfo your_package