onClick open browser with given URL

onClick open browser with given URL

Output :

// on click its open in browser with url = http://www.google.com


Intent intent = new Intent(Intent.ACTION_VIEW,
Uri.parse("http://www.google.com"));

intent.setComponent(new ComponentName("com.android.browser",
"com.android.browser.BrowserActivity"));

intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

getApplicationContext().startActivity(intent);

Line Chart using achartengine

Here, 2 Line Graphs

1. Random values
2. Sin()

• Download achartengine-1.1.0.jar
• import in lib

MainActivity.java

package com.example.linechatachart;

import org.achartengine.ChartFactory;
import org.achartengine.chart.PointStyle;
import org.achartengine.model.XYMultipleSeriesDataset;
import org.achartengine.model.XYSeries;
import org.achartengine.renderer.XYMultipleSeriesRenderer;
import org.achartengine.renderer.XYSeriesRenderer;

import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Color;
import android.view.Menu;

public class MainActivity extends Activity {

private static final int SERIES_NR = 2;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

Intent intent = ChartFactory.getLineChartIntent(this, getDataset(),
getRenderer());
startActivity(intent);
}

private XYMultipleSeriesDataset getDataset() {
XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
final int n = 30;
double v = 0;

// Random r = new Random();

XYSeries series1 = new XYSeries("Demo series 1");

for (int i = 0; i < n; i++) {
v += 0.9;
series1.add(i, Math.sin(v));
}

XYSeries series2 = new XYSeries("Demo series 2");

series2.add(1.0, 4.2);
series2.add(5.0, 6.2);
series2.add(3.5, 12.2);
series2.add(12.3, 23.2);
series2.add(25.0, 14.2);
series2.add(14.0, 2.2);
series2.add(5.5, 9.2);
series2.add(10.3, 12.2);
series2.add(8, 25);
series2.add(5, 15.2);

dataset.addSeries(series2);
dataset.addSeries(series1);

return dataset;
}

private XYMultipleSeriesRenderer getRenderer() {
XYMultipleSeriesRenderer renderer = new XYMultipleSeriesRenderer();
renderer.setAxisTitleTextSize(20);
renderer.setChartTitleTextSize(20);
renderer.setLabelsTextSize(25);
renderer.setLegendTextSize(25);
renderer.setPointSize(5f);
renderer.setMargins(new int[] { 20, 30, 15, 0 });
XYSeriesRenderer r = new XYSeriesRenderer();
r.setColor(Color.BLUE);
r.setPointStyle(PointStyle.SQUARE);
r.setFillBelowLine(true);
r.setFillBelowLineColor(Color.rgb(225, 225, 225));
r.setFillPoints(true);
renderer.addSeriesRenderer(r);
r = new XYSeriesRenderer();
r.setPointStyle(PointStyle.CIRCLE);
r.setColor(Color.RED);
r.setFillPoints(true);
r.setFillBelowLine(true);
// r.setFillBelowLineColor(Color.rgb(234, 241, 245));
renderer.addSeriesRenderer(r);
renderer.setAxesColor(Color.DKGRAY);
renderer.setLabelsColor(Color.LTGRAY);
return renderer;
}

@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;
}


}



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activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" >

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/hello_world" />


</RelativeLayout>

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OutPut: