下面列出了android.widget.ImageView#setMaxWidth ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
private View createIcon(GridLayout parent, int rowIndex) {
// The icon has a pre-defined width.
ImageView icon = new ImageView(parent.getContext());
icon.setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_NO);
icon.setBackgroundResource(R.drawable.payments_ui_logo_bg);
icon.setImageResource(mOption.getDrawableIconId());
icon.setMaxWidth(mIconMaxWidth);
// The icon floats to the right of everything.
GridLayout.LayoutParams iconParams = new GridLayout.LayoutParams(
GridLayout.spec(rowIndex, 1, GridLayout.CENTER), GridLayout.spec(2, 1));
iconParams.topMargin = mVerticalMargin;
ApiCompatibilityUtils.setMarginStart(iconParams, mLargeSpacing);
parent.addView(icon, iconParams);
icon.setOnClickListener(OptionSection.this);
return icon;
}
private View createOptionIcon(GridLayout parent, int rowIndex, boolean editIconExists) {
// The icon has a pre-defined width.
ImageView optionIcon = new ImageView(parent.getContext());
optionIcon.setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_NO);
optionIcon.setBackgroundResource(R.drawable.payments_ui_logo_bg);
optionIcon.setImageDrawable(mOption.getDrawableIcon());
optionIcon.setMaxWidth(mIconMaxWidth);
// Place option icon at column three if no edit icon.
int columnStart = editIconExists ? 2 : 3;
GridLayout.LayoutParams iconParams = new GridLayout.LayoutParams(
GridLayout.spec(rowIndex, 1, GridLayout.CENTER),
GridLayout.spec(columnStart, 1));
iconParams.topMargin = mVerticalMargin;
parent.addView(optionIcon, iconParams);
optionIcon.setOnClickListener(OptionSection.this);
return optionIcon;
}
public void applyFromAppWidgetProviderInfo(AppWidgetProviderInfo info,
int maxWidth, int[] cellSpan, WidgetPreviewLoader loader) {
LauncherAppState app = LauncherAppState.getInstance();
DeviceProfile grid = app.getDynamicGrid().getDeviceProfile();
mIsAppWidget = true;
mInfo = info;
final ImageView image = (ImageView) findViewById(R.id.widget_preview);
if (maxWidth > -1) {
image.setMaxWidth(maxWidth);
}
final TextView name = (TextView) findViewById(R.id.widget_name);
name.setText(info.label);
final TextView dims = (TextView) findViewById(R.id.widget_dims);
if (dims != null) {
int hSpan = Math.min(cellSpan[0], (int) grid.numColumns);
int vSpan = Math.min(cellSpan[1], (int) grid.numRows);
dims.setText(String.format(mDimensionsFormatString, hSpan, vSpan));
}
mWidgetPreviewLoader = loader;
}
private View createOptionIcon(GridLayout parent, int rowIndex, boolean editIconExists) {
// The icon has a pre-defined width.
ImageView optionIcon = new ImageView(parent.getContext());
optionIcon.setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_NO);
if (mOption.isEditable()) {
optionIcon.setMaxWidth(mEditableOptionIconMaxWidth);
} else {
optionIcon.setMaxWidth(mNonEditableOptionIconMaxWidth);
}
optionIcon.setAdjustViewBounds(true);
optionIcon.setImageDrawable(mOption.getDrawableIcon());
// Place option icon at column three if no edit icon.
int columnStart = editIconExists ? 2 : 3;
GridLayout.LayoutParams iconParams =
new GridLayout.LayoutParams(GridLayout.spec(rowIndex, 1, GridLayout.CENTER),
GridLayout.spec(columnStart, 1, GridLayout.CENTER));
iconParams.topMargin = mVerticalMargin;
parent.addView(optionIcon, iconParams);
optionIcon.setOnClickListener(OptionSection.this);
return optionIcon;
}
public void applyFromAppWidgetProviderInfo(AppWidgetProviderInfo info,
int maxWidth, int[] cellSpan, WidgetPreviewLoader loader) {
LauncherAppState app = LauncherAppState.getInstance();
DeviceProfile grid = app.getDynamicGrid().getDeviceProfile();
mIsAppWidget = true;
mInfo = info;
final ImageView image = (ImageView) findViewById(R.id.widget_preview);
if (maxWidth > -1) {
image.setMaxWidth(maxWidth);
}
final TextView name = (TextView) findViewById(R.id.widget_name);
name.setText(AppWidgetManagerCompat.getInstance(getContext()).loadLabel(info));
final TextView dims = (TextView) findViewById(R.id.widget_dims);
if (dims != null) {
int hSpan = Math.min(cellSpan[0], (int) grid.numColumns);
int vSpan = Math.min(cellSpan[1], (int) grid.numRows);
dims.setText(String.format(mDimensionsFormatString, hSpan, vSpan));
}
mWidgetPreviewLoader = loader;
}
/**
* 显示图像和文本
*/
public void showImageText(Bitmap bitmap, String text) {
removeAllViews();
LayoutInflater.from(getContext()).inflate(R.layout.mo_dialog_image_text, this, true);
CardView cardView = findViewById(R.id.cv_content);
cardView.setOnClickListener(null);
ImageView imageView = findViewById(R.id.image_view);
TextView tvCanCopy = findViewById(R.id.tv_can_copy);
int imageWidth = Math.min(cardView.getWidth(), cardView.getHeight());
imageView.setMaxWidth(imageWidth - 20);
imageView.setMaxHeight(imageWidth - 20);
imageView.setImageBitmap(bitmap);
tvCanCopy.setText(text);
}
/**
* 设置 ImageView 最大宽度
* @param imageView ImageView
* @param maxWidth 最大宽度
* @return {@link ImageView}
*/
public static ImageView setMaxWidth(final ImageView imageView, final int maxWidth) {
if (imageView != null) {
imageView.setMaxWidth(maxWidth);
}
return imageView;
}
/**
* 显示图像和文本
*/
public void showImageText(Bitmap bitmap, String text) {
removeAllViews();
LayoutInflater.from(getContext()).inflate(R.layout.mo_dialog_image_text, this, true);
CardView cardView = findViewById(R.id.cv_content);
cardView.setOnClickListener(null);
ImageView imageView = findViewById(R.id.image_view);
TextView tvCanCopy = findViewById(R.id.tv_can_copy);
int imageWidth = Math.min(cardView.getWidth(), cardView.getHeight());
imageView.setMaxWidth(imageWidth - 20);
imageView.setMaxHeight(imageWidth - 20);
imageView.setImageBitmap(bitmap);
tvCanCopy.setText(text);
}
public static void addResourceImage(Activity activity, LinearLayout layout, int imgResource, int width, int height) {
ImageView image = new ImageView(activity);
image.setImageResource(imgResource);
if (width > 0) image.setMaxWidth(width);
if (height > 0) image.setMaxHeight(height);
image.setScaleType(ImageView.ScaleType.CENTER_INSIDE);
layout.addView(image);
}
/**
* url的格式如下
* http://site.com/image.png // from Web
* file:///mnt/sdcard/image.png // from SD card
* file:///mnt/sdcard/video.mp4 // from SD card (video thumbnail)
* content://media/external/images/media/13 // from content provider
* content://media/external/video/media/13 // from content provider (video thumbnail)
* assets://image.png // from assets
* drawable:// + R.drawable.img // from drawables (non-9patch images)
*
* @param view
*/
public void into(View view) {
if (null != view) {
//1.设置尺寸
if (view instanceof ImageView) {
ImageView imageView = (ImageView) view;
if (mQiniuWidth > 0 && mQiniuHeight > 0) {
imageView.setMaxHeight(mQiniuHeight);
imageView.setMaxWidth(mQiniuWidth);
}
if (mDefaultDrawable != null) {
imageView.setImageDrawable(mDefaultDrawable);
} else if (mDefaultRes != 0) {
imageView.setImageResource(mDefaultRes);
}
} else if (view instanceof AnimationImageView) {
AnimationImageView imageSwitcher = (AnimationImageView) view;
if (mQiniuWidth > 0 && mQiniuHeight > 0) {
imageSwitcher.setQiniuHeight(mQiniuHeight);
imageSwitcher.setQiniuWidth(mQiniuWidth);
}
if (mDefaultDrawable != null) {
imageSwitcher.setImageDrawable(mDefaultDrawable);
} else if (mDefaultRes != 0) {
imageSwitcher.setImageResource(mDefaultRes);
}
}
}
ZjbImageLoader.display(this.mUrl, view, this.build(),
this.mImageLoadingListener, this.mImageLoadingProgressListener);
}
private static ImageView createAndAddLogoView(ViewGroup parent, int startMargin) {
ImageView view = new ImageView(parent.getContext());
view.setMaxWidth(parent.getContext().getResources().getDimensionPixelSize(
R.dimen.payments_section_logo_width));
view.setAdjustViewBounds(true);
// The logo has a pre-defined height and width.
LayoutParams params =
new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
ApiCompatibilityUtils.setMarginStart(params, startMargin);
parent.addView(view, params);
return view;
}
public static void disableMagIcon(SearchView searchView) {
ImageView searchImageView = (ImageView) findView(searchView, "mSearchHintIcon");
searchImageView.setMaxWidth(0);
searchImageView.setImageBitmap(null);
searchImageView.setVisibility(View.GONE);
searchImageView.setAdjustViewBounds(true);
}
private ImageView createTGAImageView(String path) {
Bitmap bitmap = createTGABitmap(path);
if(bitmap != null) {
ImageView imageView = new ImageView(this);
imageView.setImageBitmap(bitmap);
imageView.setAdjustViewBounds(true);
imageView.setMaxWidth(128);
imageView.setMaxHeight(128);
imageView.setPadding(8, 8, 0, 0);
return imageView;
}
return null;
}
public static boolean onContextItemSelected(MenuItem item, User user, XmppActivity activity, final String fingerprint) {
final Conversation conversation = user.getConversation();
final XmppConnectionService.OnAffiliationChanged onAffiliationChanged = activity instanceof XmppConnectionService.OnAffiliationChanged ? (XmppConnectionService.OnAffiliationChanged) activity : null;
final Jid jid = user.getRealJid();
final Account account = conversation.getAccount();
final Contact contact = jid == null ? null : account.getRoster().getContact(jid);
switch (item.getItemId()) {
case R.id.action_show_avatar:
final ImageView view = new ImageView(activity);
view.setAdjustViewBounds(true);
view.setMaxHeight(R.dimen.avatar_big);
view.setMaxWidth(R.dimen.avatar_big);
view.setBackgroundColor(Color.WHITE);
view.setScaleType(ImageView.ScaleType.FIT_XY);
AvatarWorkerTask.loadAvatar(user, view, R.dimen.avatar_big);
final AlertDialog.Builder builder = new AlertDialog.Builder(activity);
builder.setView(view);
builder.create().show();
return true;
case R.id.action_contact_details:
if (contact != null) {
activity.switchToContactDetails(contact, fingerprint);
}
return true;
case R.id.start_conversation:
startConversation(user, activity);
return true;
case R.id.add_contact:
activity.showAddToRosterDialog(contact);
return true;
case R.id.give_admin_privileges:
activity.xmppConnectionService.changeAffiliationInConference(conversation, jid, MucOptions.Affiliation.ADMIN, onAffiliationChanged);
return true;
case R.id.give_membership:
case R.id.remove_admin_privileges:
case R.id.revoke_owner_privileges:
activity.xmppConnectionService.changeAffiliationInConference(conversation, jid, MucOptions.Affiliation.MEMBER, onAffiliationChanged);
return true;
case R.id.give_owner_privileges:
activity.xmppConnectionService.changeAffiliationInConference(conversation, jid, MucOptions.Affiliation.OWNER, onAffiliationChanged);
return true;
case R.id.remove_membership:
activity.xmppConnectionService.changeAffiliationInConference(conversation, jid, MucOptions.Affiliation.NONE, onAffiliationChanged);
return true;
case R.id.kick_from_room:
kickFromRoom(user, activity, onAffiliationChanged);
return true;
case R.id.ban_from_room:
banFromRoom(user, activity, onAffiliationChanged);
return true;
case R.id.send_private_message:
if (activity instanceof ConversationsActivity) {
ConversationFragment conversationFragment = ConversationFragment.get(activity);
if (conversationFragment != null) {
activity.invalidateOptionsMenu();
conversationFragment.privateMessageWith(user.getFullJid());
return true;
}
}
activity.privateMsgInMuc(conversation, user.getName());
return true;
case R.id.invite:
if (user.getAffiliation().ranks(MucOptions.Affiliation.MEMBER)) {
activity.xmppConnectionService.directInvite(conversation, jid.asBareJid());
} else {
activity.xmppConnectionService.invite(conversation, jid);
}
return true;
case R.id.context_muc_contact_block_unblock:
try {
activity.xmppConnectionService.sendBlockRequest(new RawBlockable(account, user.getFullJid()), false);
activity.xmppConnectionService.leaveMuc(conversation);
activity.xmppConnectionService.joinMuc(conversation);
} catch (Exception e) {
e.printStackTrace();
}
return true;
case R.id.highlight_in_muc:
activity.highlightInMuc(conversation, user.getName());
return true;
default:
return false;
}
}
private View setupImage(String imageURI, String bigImageURI) {
View mediaPane = null;
try {
int[] maxBounds = getMaxCenterViewBounds();
final String imageFilename = ReferenceManager.instance().DeriveReference(imageURI).getLocalURI();
final File imageFile = new File(imageFilename);
if (imageFile.exists()) {
Bitmap b = MediaUtil.inflateDisplayImage(getContext(), imageURI, maxBounds[0],
maxBounds[1]);
if (b != null) {
ImageView mImageView = new ImageView(getContext());
if (useResizingImageView()) {
mImageView = new ResizingImageView(getContext(), imageURI, bigImageURI);
mImageView.setAdjustViewBounds(true);
mImageView.setMaxWidth(maxBounds[0]);
mImageView.setMaxHeight(maxBounds[1]);
} else {
mImageView.setScaleType(ImageView.ScaleType.CENTER);
}
mImageView.setPadding(10, 10, 10, 10);
if (imageFilename.toLowerCase().endsWith(IMAGE_GIF_EXTENSION)) {
Glide.with(mImageView).asGif()
.override(b.getWidth(), b.getHeight())
.load(imageFilename)
.into(mImageView);
b.recycle();
} else {
mImageView.setImageBitmap(b);
}
mImageView.setId(IMAGE_VIEW_ID);
mediaPane = mImageView;
}
} else {
// An error hasn't been logged. We should have an image, but the file doesn't
// exist.
mediaPane = getMissingMediaView(imageURI,
StringUtils.getStringRobust(getContext(), R.string.video_download_prompt),
true);
}
} catch (InvalidReferenceException e) {
Log.e(TAG, "image invalid reference exception");
e.printStackTrace();
}
return mediaPane;
}
private void createPosts() {
//get total number of posts from Posts.java
int numPosts = ((Messagee) this.getApplication()).messController.getPosts().getNumPosts();
//clear all posts from llPosts
llPosts.removeAllViews();
//create individual post layouts and add to llPosts
for(int i=numPosts-1; i>=0; i--){
/*cell layout:
|picture| |arrow| |Username|
| | |image| |Post ............|
| | | | |Post ............|
| | | | |Post ............|
*/
//create layout for post cell
LinearLayout llCell = new LinearLayout(this);
llCell.setOrientation(LinearLayout.HORIZONTAL);
//create layout to hold username and post message
LinearLayout llUserAndPost = new LinearLayout(this);
llUserAndPost.setOrientation(LinearLayout.VERTICAL);
//Create image holder for user image
ImageView postImage = new ImageView(this);
postImage.setMaxWidth(dpToPix(50));
postImage.setBackgroundColor(getResources().getColor(R.color.black));
postImage.setPadding(dpToPix(1), dpToPix(1), dpToPix(1), dpToPix(1));
postImage.setMaxHeight(dpToPix(50));
postImage.setScaleType(ImageView.ScaleType.FIT_XY);
postImage.setAdjustViewBounds(true);
String imURL = ((Messagee) this.getApplication()).messController.getPosts().getPicURLByIndex(i);
postImage.setImageDrawable(((Messagee) this.getApplication()).messController.getPostImages().getImage(imURL));
//draw arrow
ImageView arrowImage = new ImageView(this);
arrowImage.setMaxWidth(dpToPix(30));
arrowImage.setMaxHeight(dpToPix(30));
arrowImage.setScaleType(ImageView.ScaleType.FIT_XY);
arrowImage.setAdjustViewBounds(true);
arrowImage.setImageDrawable(getResources().getDrawable(R.drawable.arrow));
//text holder for username
String username = ((Messagee) this.getApplication()).messController.getPosts().getPostNameByIndex(i);
TextView usernameText = new TextView(this);
usernameText.setPadding(0, 0, 0, dpToPix(4));
usernameText.setTextColor(getResources().getColor(R.color.black));
usernameText.setText(username);
usernameText.setTypeface(null,1);
usernameText.setTextSize(17);
//text holder for message
String postMessage = ((Messagee) this.getApplication()).messController.getPosts().getPostMessageByIndex(i);
TextView postText = new TextView(this);
postText.setTextColor(getResources().getColor(R.color.post_message_gray));
postText.setText(postMessage);
postText.setTextSize(17);
//add username and post text to a linear layout
llUserAndPost.addView(usernameText);
llUserAndPost.addView(postText);
//set layout properties and add rounded rectangle border
llUserAndPost.setBackgroundDrawable(getResources().getDrawable(R.drawable.rounded_corners_white));
llUserAndPost.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.WRAP_CONTENT));
llUserAndPost.setPadding(dpToPix(14), dpToPix(10), dpToPix(14), dpToPix(10));
//add images and text layout to create the post layout
llCell.addView(postImage);
llCell.addView(arrowImage);
llCell.addView(llUserAndPost);
llCell.setPadding(dpToPix(10f), dpToPix(18f), dpToPix(10f), 0);
//add post layout to layout containing all posts
llPosts.addView(llCell);
}
}