- 1-انشاء مشروع جديد
2-انشاء كلاس جديد قم بتسميته
GifImageView.java
GifImageView.java
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package com.jijith.gifanimation;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Movie;
import android.net.Uri;
import android.os.SystemClock;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import java.io.FileNotFoundException;
import java.io.InputStream;
public class GifImageView extends View {
private InputStream mInputStream;
private Movie mMovie;
private int mWidth, mHeight;
private long mStart;
private Context mContext;
public GifImageView(Context context) {
super(context);
this.mContext = context;
}
public GifImageView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public GifImageView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
this.mContext = context;
if (attrs.getAttributeName(1).equals("background")) {
int id = Integer.parseInt(attrs.getAttributeValue(1).substring(1));
setGifImageResource(id);
}
}
private void init() {
setFocusable(true);
mMovie = Movie.decodeStream(mInputStream);
mWidth = mMovie.width();
mHeight = mMovie.height();
requestLayout();
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
setMeasuredDimension(mWidth, mHeight);
}
@Override
protected void onDraw(Canvas canvas) {
long now = SystemClock.uptimeMillis();
if (mStart == 0) {
mStart = now;
}
if (mMovie != null) {
int duration = mMovie.duration();
if (duration == 0) {
duration = 1000;
}
int relTime = (int) ((now - mStart) % duration);
mMovie.setTime(relTime);
mMovie.draw(canvas, 0, 0);
invalidate();
}
}
public void setGifImageResource(int id) {
mInputStream = mContext.getResources().openRawResource(id);
init();
}
public void setGifImageUri(Uri uri) {
try {
mInputStream = mContext.getContentResolver().openInputStream(uri);
init();
} catch (FileNotFoundException e) {
Log.e("GIfImageView", "File not found");
}
}
}
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3-الكلاس الرئيسي
MainActivity.java
MainActivity.java
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package com.jijith.gifanimation;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
GifImageView gifImageView = (GifImageView) findViewById(R.id.GifImageView);
gifImageView.setGifImageResource(R.drawable.android);
}
}
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4-في xml الرئيسي
activity_main.xml
activity_main.xml
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<?xml version="1.0" encoding="utf-8"?>
<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"
android:background="@android:color/black"
tools:context="com.jijith.gifanimation.MainActivity">
<com.jijith.gifanimation.GifImageView
android:id="@+id/GifImageView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true" />
</RelativeLayout>
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5-AndroidManifest.xml
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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.jijith.gifanimation">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
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>
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Never forget to add the below line in your <activity> under AndroidManifest.xmlotherwise the program will crash down.
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android:hardwareAccelerated="false"
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You can set the GIf image either by using the following methods setGifImageResource() and setGifImageUri()
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gifImageView.setGifImageResource(R.drawable.android);
gifImageView.setGifImageUri(uri);
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or by using background in the layout xml
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android:background="@drawable/android"
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Finally the result is
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