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查看大图兼容 BASE64 编码图片

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chenjuntao
2020-01-22 11:22:25 +08:00
parent 3c4cc4ff7f
commit e9578bdeec
1 changed files with 30 additions and 6 deletions
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36
app/src/main/java/com/gh/gamecenter/ViewImageActivity.java
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@ -11,6 +11,8 @@ import android.graphics.Color;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.text.TextUtils;
import android.util.Base64;
import android.util.DisplayMetrics;
import android.view.View;
import android.view.ViewGroup;
@ -24,6 +26,7 @@ import com.facebook.drawee.backends.pipeline.Fresco;
import com.facebook.imagepipeline.core.ImagePipeline;
import com.facebook.imagepipeline.request.ImageRequest;
import com.gh.base.BaseActivity;
import com.gh.common.AppExecutor;
import com.gh.common.Base64ImageHolder;
import com.gh.common.util.DisplayUtils;
import com.gh.common.util.EntranceUtils;
@ -43,6 +46,7 @@ import com.github.piasy.biv.view.BigImageView;
import com.github.piasy.biv.view.FrescoImageViewFactory;
import com.lightgame.utils.Utils;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
@ -287,15 +291,35 @@ public class ViewImageActivity extends BaseActivity implements OnPageChangeListe
}
});
}
private void loadImage(String url, final BigImageView imageView) {
// 添加GIF支持
try {
if (TextUtils.isEmpty(url)) return;
if (url.startsWith("data:image/png;base64")) {
AppExecutor.getIoExecutor().execute(() -> {
String base64String = url.replace("data:image/png;base64", "");
try {
File imageFile = new File(getCacheDir().getAbsolutePath() + File.separator + System.currentTimeMillis() + ".png");
byte[] decodedString = Base64.decode(base64String, Base64.DEFAULT);
BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(imageFile));
bos.write(decodedString);
bos.flush();
bos.close();
AppExecutor.getUiExecutor().execute(() -> {
imageView.setImageViewFactory(new FrescoImageViewFactory());
imageView.showImage(Uri.fromFile(imageFile));
});
} catch (Exception e) {
e.printStackTrace();
}
});
} else {
// 添加GIF支持
imageView.setImageViewFactory(new FrescoImageViewFactory());
imageView.showImage(Uri.parse(url));
} catch (Exception ignored) {
// parse Uri 可能会有异常 java.lang.NullPointerException
// url 为 null? 暂时不管了，统一捕抓异常
}
}