johnkil

1) ListView=>Use android:cacheColorHint=”@android:color/transparent” to avoid black highlighting while Scrolling.
2) To resolve this issue “Failed to install *.apk on device timeout Launch canceled! , increase ADB connection timeout
3) use setError() to display error message for your EditText
4) To Block the default animation for startActivity() For ex: myIntent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
5) Android Action Bar Style Generator http://jgilfelt.github.com/android-actionbarstylegenerator
6) create library with reusable code and reference it in future projects.
7) Don’t use right-pointing carets on line items http://developer.android.com/design/media/migrating_ios_settings.png
8) 10 amazing Android development tips http://www.netmagazine.com/features/10-amazing-android-development-tips
9) Define these attributes for displaying multiline EditText => android:singleLine=”false”, android:lines=”5″
10) Follow Dashboard design pattern. Easy to implement and handle Navigation.

johnkil

/**
 * Getting external files/cache dir [compatibility].
 * 
 * @author johnkil
 *
 */
public class FileUtils {
	private static final String LOG_TAG = FileUtils.class.getSimpleName();
	
	/**

cyrilmottier

package com.cyrilmottier.android.tests;

import android.view.View;
import android.view.ViewGroup;

/**
 * @author Cyril Mottier
 */
public class ViewAdditions {

johnkil

/**
 * This method convets dp unit to equivalent device specific value in pixels. 
 * 
 * @param dp A value in dp(Device independent pixels) unit. Which we need to convert into pixels
 * @param context Context to get resources and device specific display metrics
 * @return A float value to represent Pixels equivalent to dp according to device
 */
public static float convertDpToPixel(float dp,Context context){
    Resources resources = context.getResources();
    DisplayMetrics metrics = resources.getDisplayMetrics();

johnkil

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

import travel.opas.core.Consts;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Process;
import android.text.format.DateFormat;

TomTasche

// more information here: http://blog.tomtasche.at/2012/10/use-built-in-feedback-mechanism-on.html

try {
    int i = 3 / 0;
} catch (Exception e) {
    ApplicationErrorReport report = new ApplicationErrorReport();
    report.packageName = report.processName = getApplication()
        .getPackageName();
    report.time = System.currentTimeMillis();
    report.type = ApplicationErrorReport.TYPE_CRASH;

johnkil

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.LinkedList;
import java.util.List;
import java.util.zip.GZIPInputStream;

cyrilmottier

package com.cyrilmottier.android.citybikes;

import android.os.Bundle;

import com.cyrilmottier.android.avelov.R;
import com.cyrilmottier.android.citybikes.app.BaseActivity;

public class LicensesActivity extends BaseActivity {

    private WebView mWebView;

johnkil

import java.io.File;

import android.annotation.TargetApi;
import android.content.Context;
import android.os.Build;
import android.os.Environment;
import android.util.Log;

/**
 * File Util's.

johnkil

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;

/**