自定义gif android,Android自定义GifView显示gif动画
com.ncs.msg.ui.widget;
android.content.Context;
android.content.res.TypedArray;
android.graphics.Canvas;
android.graphics.Movie;
android.util.AttributeSet;
android.view.View;
com.ncs.msg.R;
java.io.ByteArrayOutputStream;
java.io.InputStream;
GifView View {
Movie ;
;
= ;
;
;
;
;
GifView(Context context) {
(context);
init(context, );
}
GifView(Context context, AttributeSet set) {
(context, set);
init(context, set);
}
init(Context context, AttributeSet set) {
TypedArray a = context.obtainStyledAttributes(set,
R.styleable.);
= a.getResourceId(R.styleable., -);
= a.getBoolean(R.styleable., );
= a.getInteger(
R.styleable., );
a.recycle();
setFocusable();
java.io.InputStream is;
is = context.getResources().openRawResource();
() {
= Movie.(is);
} {
[] array = (is);
= Movie.(array, , array.);
}
}
onDraw(Canvas canvas) {
(!= ) {
(!) {
updateAnimationTime();
drawMovieFrame(canvas);
invalidate();
} {
drawMovieFrame(canvas);
}
}
}
updateAnimationTime() {
now = android.os.SystemClock.();
(== ) {
= now;
}
dur = .duration();
(dur == ) {
dur = ;
}
= () ((now - ) % dur);
}
drawMovieFrame(Canvas canvas) {
.setTime();
canvas.save(Canvas.);
.draw(canvas, , );
canvas.restore();
}
setPaused(paused) {
.= paused;
(!paused) {
= android.os.SystemClock.()
- ;
}
invalidate();
}
isPaused() {
.;
}
onMeasure(widthMeasureSpec, heightMeasureSpec) {
widthMode = MeasureSpec.(widthMeasureSpec);
widthSize = MeasureSpec.(widthMeasureSpec);
heightMode = MeasureSpec.(heightMeasureSpec);
heightSize = MeasureSpec.(heightMeasureSpec);
width;
height;
(widthMode == MeasureSpec.) {
width = widthSize;
} {
desired = () (getPaddingLeft() + .width() + getPaddingRight());
width = Math.(desired, widthSize);
}
(heightMode == MeasureSpec.) {
height = heightSize;
} {
desired = () (getPaddingTop() + .height() + getPaddingBottom());
height = Math.(desired, heightSize);
}
setMeasuredDimension(width, height);
}
[] streamToBytes(InputStream is) {
ByteArrayOutputStream os = ByteArrayOutputStream();
[] buffer = [];
len;
{
((len = is.read(buffer)) >= ) {
os.write(buffer, , len);
}
} (java.io.IOException e) {
}
os.toByteArray();
}
}
android:id="@+id/image_view"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:background="#ffffff"
gif:decode_stream="true"
gif:default_animation_time="1000"
gif:gif_src="@drawable/corporate_login"
/>