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光环前端优化汇总（2019年10月第4周）(13.15)https://gitlab.ghzs.com/pm/halo-app-issues/issues/685

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kehaoyuan
2019-11-19 10:02:58 +08:00
parent eb93f1d915
commit 0c37db444a
2 changed files with 47 additions and 27 deletions
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52
app/src/main/java/com/gh/common/view/ExpendTextView.java
View File

@ -12,36 +12,36 @@ import android.text.style.ClickableSpan;
import android.util.AttributeSet;
import android.view.View;
import com.gh.common.util.DisplayUtils;
import com.gh.gamecenter.R;
import androidx.appcompat.widget.AppCompatTextView;
import androidx.core.content.ContextCompat;
import com.gh.common.util.DisplayUtils;
import com.gh.gamecenter.R;
public class ExpendTextView extends AppCompatTextView {
private CharSequence mSnapshotText;
private String mExpendText = "...全文";
private int mMaxLines = 3; // 由于sdk版本限制(getMaxLines) 这里设置默认值
private boolean mInitLayout = false;
private boolean mOpenLayout = false;
private ExpandCallback mExpandCallback;
public ExpendTextView(Context context) {
super(context);
}
public ExpendTextView(Context context, AttributeSet attrs) {
super(context, attrs);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
mMaxLines = getMaxLines();
}
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
@ -51,35 +51,35 @@ public class ExpendTextView extends AppCompatTextView {
showExpendButton();
}
}
public void setExpendText(String text) {
this.mExpendText = text;
}
public void setExpandCallback(ExpandCallback callback) {
this.mExpandCallback = callback;
}
@Override
public void setText(CharSequence text, BufferType type) {
mInitLayout = true;
super.setText(text, type);
}
private void showExpendButton() {
Layout layout = getLayout();
int start = layout.getLineStart(0);
int lastLineEnd = layout.getLineEnd(mMaxLines - 1);
int lastLineStart = layout.getLineStart(mMaxLines - 1);
float lastLineRight = layout.getLineRight(mMaxLines - 1);
int viewWidth = getWidth() - getPaddingRight() - getPaddingLeft();
TextPaint paint = getPaint();
float expendTextWidth = paint.measureText(mExpendText);
CharSequence content = mSnapshotText.subSequence(start, lastLineEnd);
if (viewWidth - lastLineRight > expendTextWidth) {
content = content.toString().trim() + mExpendText ;
content = content.toString().trim() + mExpendText;
} else {
CharSequence lastText = mSnapshotText.subSequence(lastLineStart, lastLineEnd);
for (int i = lastText.length() - 1; i > 0; i--) {
@ -103,32 +103,32 @@ public class ExpendTextView extends AppCompatTextView {
ds.setColor(ContextCompat.getColor(getContext(), R.color.theme));
ds.setUnderlineText(false);
}
@Override
public void onClick(View widget) {
mOpenLayout = true;
setMaxLines(Integer.MAX_VALUE);
setText(mSnapshotText);
if (mExpandCallback != null) {
mExpandCallback.onExpand();
}
}
}, startPosition, msp.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
}, startPosition + 3, msp.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
msp.setSpan(new BackgroundColorSpan(Color.WHITE), startPosition, msp.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
setText(msp);
setMovementMethod(CustomLinkMovementMethod.getInstance());
}
public void setExpendMaxLines(int maxLines) {
mMaxLines = maxLines;
setMaxLines(maxLines);
}
public interface ExpandCallback {
void onExpand();
}
}