dataBinding {
enabled = true
}
<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android">
<data>
<variable name="user" type="com.blogspot.android_er.myandroidinfo.MainActivity.User"/>
</data>
<android.support.constraint.ConstraintLayout
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<TextView
android:id="@+id/title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="My device info"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"
android:textStyle="bold"/>
<TextView
android:id="@+id/mylink"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="android-er.blogspot.com"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/title" />
<TextView
android:id="@+id/myArchitecture"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text='@{user.bArchitecture, default="Architecture"}'
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/mylink"
android:gravity="left"
android:textSize="30dp"/>
<TextView
android:id="@+id/myRelease"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text='@{user.bRelease, default="Release"}'
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/myArchitecture"
android:gravity="left"
android:textSize="30dp"/>
<TextView
android:id="@+id/myDensity"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text='@{user.bDensity, default="Density"}'
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/myRelease"
android:gravity="left"
android:textSize="30dp"/>
<TextView
android:id="@+id/myNumber"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@{user.bNum}"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/myDensity"
android:gravity="left"
android:textSize="50dp"
android:textStyle="italic|bold"
android:textColor="#0000FF"/>
</android.support.constraint.ConstraintLayout>
</layout>
package com.blogspot.android_er.myandroidinfo;
import android.databinding.DataBindingUtil;
import android.databinding.ObservableField;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.DisplayMetrics;
import com.blogspot.android_er.myandroidinfo.databinding.ActivityMainBinding;
public class MainActivity extends AppCompatActivity {
public class User {
public final String bArchitecture;
public final String bRelease;
public final String bDensity;
public final ObservableField<String> bNum = new ObservableField<>();
public User(String arch, String rel, String den) {
this.bArchitecture = arch;
this.bRelease = rel;
this.bDensity = den;
}
}
private class MyTask extends AsyncTask<Void, Void, Void> {
@Override
protected Void doInBackground(Void... voids) {
for (int i = 0; i < 20; i++) {
user.bNum.set(String.valueOf(i));
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
return null;
}
}
User user;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
String arch = System.getProperty("os.arch");
String release = Build.VERSION.RELEASE;
DisplayMetrics metrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(metrics);
int dpi = metrics.densityDpi;
ActivityMainBinding binding =
DataBindingUtil.setContentView(this, R.layout.activity_main);
user = new User(arch, release, String.valueOf(dpi));
binding.setUser(user);
new MyTask().execute();
}
}
package com.blogspot.android_er.myandroidinfo;
import android.os.Build;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.DisplayMetrics;
import android.widget.TextView;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
TextView tvMyArch = findViewById(R.id.myArchitecture);
TextView tvMyRelease = findViewById(R.id.myRelease);
TextView tvMyDensity = findViewById(R.id.myDensity);
String arch = System.getProperty("os.arch");
tvMyArch.setText(arch);
String release = Build.VERSION.RELEASE;
tvMyRelease.setText(release);
DisplayMetrics metrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(metrics);
int dpi = metrics.densityDpi;
tvMyDensity.setText(String.valueOf(dpi));
}
}
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<TextView
android:id="@+id/title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="My device info"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"
android:textStyle="bold"/>
<TextView
android:id="@+id/mylink"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="android-er.blogspot.com"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/title" />
<TextView
android:id="@+id/myArchitecture"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Architecture"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/mylink"
android:gravity="left"
android:textSize="30dp"/>
<TextView
android:id="@+id/myRelease"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Release"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/myArchitecture"
android:gravity="left"
android:textSize="30dp"/>
<TextView
android:id="@+id/myDensity"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Density"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/myRelease"
android:gravity="left"
android:textSize="30dp"/>
</android.support.constraint.ConstraintLayout>
Announced on 22 January 2019,
Wikimedia Foundation is partnering with Google on a set of initiatives to support a shared commitment of making information more accessible to more people around the world.
Through these partnerships, Google and Wikimedia will be working together to create new and expanded programs to empower editors to create local language content on Wikipedia, as well as developing improved translation tools. To strengthen and support Wikipedia and its mission for generations to come, Google.org will also be contributing $1.1 million to the Wikimedia Foundation and $2 million to the Wikimedia Endowment
Source: Google and Wikimedia Foundation partner to increase knowledge equity online
package com.blogspot.android_er.androidimagedecoder;
import android.animation.ObjectAnimator;
import android.animation.TimeInterpolator;
import android.app.Activity;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.ImageDecoder;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.PixelFormat;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.PostProcessor;
import android.graphics.drawable.AnimatedImageDrawable;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.view.View;
import android.view.animation.AccelerateDecelerateInterpolator;
import android.widget.ImageView;
import android.widget.Toast;
import java.io.IOException;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ImageView imageView1 = findViewById(R.id.gifimage1);
ImageView imageView2 = findViewById(R.id.gifimage2);
loadGif(imageView1);
loadRoundGif(imageView2);
imageView1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
prepareObjectAnimatorRotate((ImageView)v);
}
});
imageView2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
prepareObjectAnimatorAlpha((ImageView)v);
}
});
}
PostProcessor myPostProcessor =
new PostProcessor(){
@Override
public int onPostProcess(
Canvas canvas) {
// This will create rounded corners.
Path path = new Path();
path.setFillType(Path.FillType.INVERSE_EVEN_ODD);
int width = canvas.getWidth();
int height = canvas.getHeight();
path.addRoundRect(0, 0,
width, height, 150, 150,
Path.Direction.CW);
Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setColor(Color.TRANSPARENT);
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC));
canvas.drawPath(path, paint);
return PixelFormat.TRANSLUCENT;
}
};
ImageDecoder.OnHeaderDecodedListener myOnHeaderDecodedListener =
new ImageDecoder.OnHeaderDecodedListener(){
@Override
public void onHeaderDecoded
(ImageDecoder decoder,
ImageDecoder.ImageInfo info,
ImageDecoder.Source source) {
decoder.setPostProcessor(myPostProcessor);
}
};
private void loadGif(ImageView iv){
try {
ImageDecoder.Source source =
ImageDecoder.createSource(getResources(), R.drawable.android_er);
Drawable drawable = ImageDecoder.decodeDrawable(source);
iv.setImageDrawable(drawable);
if (drawable instanceof AnimatedImageDrawable) {
((AnimatedImageDrawable) drawable).start();
Toast.makeText(getApplicationContext(),
"loadGif: Animation started",
Toast.LENGTH_LONG).show();
}
} catch (IOException e) {
e.printStackTrace();
Toast.makeText(getApplicationContext(),
"loadGif: IOException: \n" + e.getMessage(),
Toast.LENGTH_LONG).show();
}
}
private void loadRoundGif(ImageView iv){
try {
ImageDecoder.Source source =
ImageDecoder.createSource(getResources(), R.drawable.android_er);
//Drawable drawable = ImageDecoder.decodeDrawable(source);
Drawable drawable = ImageDecoder.decodeDrawable(source,
myOnHeaderDecodedListener);
iv.setImageDrawable(drawable);
if (drawable instanceof AnimatedImageDrawable) {
((AnimatedImageDrawable) drawable).start();
Toast.makeText(getApplicationContext(),
"loadRoundGif: Animation started",
Toast.LENGTH_LONG).show();
}
} catch (IOException e) {
e.printStackTrace();
Toast.makeText(getApplicationContext(),
"loadRoundGif: IOException: \n" + e.getMessage(),
Toast.LENGTH_LONG).show();
}
}
private void prepareObjectAnimatorRotate(ImageView image){
TimeInterpolator timeInterpolator =
new AccelerateDecelerateInterpolator();
float propertyStart = 0f;
float propertyEnd = 360f;
String propertyName = "rotation";
ObjectAnimator objectAnimator
= ObjectAnimator.ofFloat(
image, propertyName, propertyStart, propertyEnd);
objectAnimator.setDuration(5000);
objectAnimator.setRepeatCount(1);
objectAnimator.setRepeatMode(ObjectAnimator.REVERSE);
objectAnimator.setInterpolator(timeInterpolator);
objectAnimator.start();
}
private void prepareObjectAnimatorAlpha(ImageView image){
TimeInterpolator timeInterpolator =
new AccelerateDecelerateInterpolator();
float propertyStart = 1f;
float propertyEnd = 0f;
String propertyName = "alpha";
ObjectAnimator objectAnimator
= ObjectAnimator.ofFloat(
image, propertyName, propertyStart, propertyEnd);
objectAnimator.setDuration(5000);
objectAnimator.setRepeatCount(1);
objectAnimator.setRepeatMode(ObjectAnimator.REVERSE);
objectAnimator.setInterpolator(timeInterpolator);
objectAnimator.start();
}
}
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/background_dark"
tools:context=".MainActivity">
<android.support.constraint.Guideline
android:id="@+id/guideline"
android:layout_width="1dp"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.5"/>
<ImageView
android:id="@+id/gifimage1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintBottom_toTopOf="@+id/guideline"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"/>
<ImageView
android:id="@+id/gifimage2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/guideline"/>
</android.support.constraint.ConstraintLayout>
package com.blogspot.android_er.androidimagedecoder;
import android.app.Activity;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.ImageDecoder;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.PixelFormat;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.PostProcessor;
import android.graphics.drawable.AnimatedImageDrawable;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.widget.ImageView;
import android.widget.Toast;
import java.io.IOException;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ImageView imageView1 = findViewById(R.id.gifimage1);
ImageView imageView2 = findViewById(R.id.gifimage2);
loadGif(imageView1);
loadRoundGif(imageView2);
}
PostProcessor myPostProcessor =
new PostProcessor(){
@Override
public int onPostProcess(
Canvas canvas) {
// This will create rounded corners.
Path path = new Path();
path.setFillType(Path.FillType.INVERSE_EVEN_ODD);
int width = canvas.getWidth();
int height = canvas.getHeight();
path.addRoundRect(0, 0,
width, height, 150, 150,
Path.Direction.CW);
Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setColor(Color.TRANSPARENT);
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC));
canvas.drawPath(path, paint);
return PixelFormat.TRANSLUCENT;
}
};
ImageDecoder.OnHeaderDecodedListener myOnHeaderDecodedListener =
new ImageDecoder.OnHeaderDecodedListener(){
@Override
public void onHeaderDecoded
(ImageDecoder decoder,
ImageDecoder.ImageInfo info,
ImageDecoder.Source source) {
decoder.setPostProcessor(myPostProcessor);
}
};
private void loadGif(ImageView iv){
try {
ImageDecoder.Source source =
ImageDecoder.createSource(getResources(), R.drawable.android_er);
Drawable drawable = ImageDecoder.decodeDrawable(source);
iv.setImageDrawable(drawable);
if (drawable instanceof AnimatedImageDrawable) {
((AnimatedImageDrawable) drawable).start();
Toast.makeText(getApplicationContext(),
"loadGif: Animation started",
Toast.LENGTH_LONG).show();
}
} catch (IOException e) {
e.printStackTrace();
Toast.makeText(getApplicationContext(),
"loadGif: IOException: \n" + e.getMessage(),
Toast.LENGTH_LONG).show();
}
}
private void loadRoundGif(ImageView iv){
try {
ImageDecoder.Source source =
ImageDecoder.createSource(getResources(), R.drawable.android_er);
//Drawable drawable = ImageDecoder.decodeDrawable(source);
Drawable drawable = ImageDecoder.decodeDrawable(source,
myOnHeaderDecodedListener);
iv.setImageDrawable(drawable);
if (drawable instanceof AnimatedImageDrawable) {
((AnimatedImageDrawable) drawable).start();
Toast.makeText(getApplicationContext(),
"loadRoundGif: Animation started",
Toast.LENGTH_LONG).show();
}
} catch (IOException e) {
e.printStackTrace();
Toast.makeText(getApplicationContext(),
"loadRoundGif: IOException: \n" + e.getMessage(),
Toast.LENGTH_LONG).show();
}
}
}
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<ImageView
android:id="@+id/gifimage"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"/>
</android.support.constraint.ConstraintLayout>
package com.blogspot.android_er.androidimagedecoder;
import android.app.Activity;
import android.graphics.ImageDecoder;
import android.graphics.drawable.AnimatedImageDrawable;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.widget.ImageView;
import android.widget.Toast;
import java.io.IOException;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ImageView imageView = findViewById(R.id.gifimage);
loadGif(imageView);
}
private void loadGif(ImageView iv){
try {
ImageDecoder.Source source =
ImageDecoder.createSource(getResources(), R.drawable.android_er);
Drawable drawable = ImageDecoder.decodeDrawable(source);
iv.setImageDrawable(drawable);
if (drawable instanceof AnimatedImageDrawable) {
((AnimatedImageDrawable) drawable).start();
Toast.makeText(getApplicationContext(),
"Animation started",
Toast.LENGTH_LONG).show();
}
} catch (IOException e) {
e.printStackTrace();
Toast.makeText(getApplicationContext(),
"IOException: \n" + e.getMessage(),
Toast.LENGTH_LONG).show();
}
}
}
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.blogspot.android_er.androidimagedecoder">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity"
android:hardwareAccelerated="false">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
package com.blogspot.android_er.myapplicationwebview;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.webkit.WebView;
import android.webkit.WebViewClient;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
WebView myWebView = findViewById(R.id.webview);
myWebView.getSettings().setJavaScriptEnabled(true);
myWebView.loadUrl("http://android-er.blogspot.com/");
}
}
package com.blogspot.android_er.myapplicationwebview;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.webkit.WebView;
import android.webkit.WebViewClient;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
WebView myWebView = findViewById(R.id.webview);
myWebView.getSettings().setJavaScriptEnabled(true);
myWebView.setWebViewClient(new WebViewClient());
myWebView.loadUrl("http://android-er.blogspot.com/");
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity"
android:orientation="vertical">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="android-er.blogspot.com"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<WebView
android:id="@+id/webview"
android:layout_width="match_parent"
android:layout_height="match_parent"
/>
</LinearLayout>