private Layout makeLabel(CharSequence text) { final Resources res = getResources(); final TextPaint paint = new TextPaint(Paint.ANTI_ALIAS_FLAG); paint.density = res.getDisplayMetrics().density; paint.setCompatibilityScaling(res.getCompatibilityInfo().applicationScale); paint.setColor(mLabelColor); paint.setTextSize(mLabelSize); return new StaticLayout( text, paint, (int) Math.ceil(Layout.getDesiredWidth(text, paint)), Layout.Alignment.ALIGN_NORMAL, 1.f, 0, true); }
private void invalidateLabelTemplate() { if (mLabelTemplateRes != 0) { final CharSequence template = getResources().getText(mLabelTemplateRes); final TextPaint paint = new TextPaint(Paint.ANTI_ALIAS_FLAG); paint.density = getResources().getDisplayMetrics().density; paint.setCompatibilityScaling(getResources().getCompatibilityInfo().applicationScale); paint.setColor(mLabelColor); paint.setShadowLayer(4 * paint.density, 0, 0, Color.BLACK); mLabelTemplate = new SpannableStringBuilder(template); mLabelLayout = new DynamicLayout( mLabelTemplate, paint, LARGE_WIDTH, Alignment.ALIGN_RIGHT, 1f, 0f, false); invalidateLabel(); } else { mLabelTemplate = null; mLabelLayout = null; } invalidate(); requestLayout(); }
public BatteryHistoryChart(Context context, AttributeSet attrs) { super(context, attrs); mBatteryBackgroundPaint.setARGB(255, 128, 128, 128); mBatteryBackgroundPaint.setStyle(Paint.Style.FILL); mBatteryGoodPaint.setARGB(128, 0, 255, 0); mBatteryGoodPaint.setStyle(Paint.Style.STROKE); mBatteryWarnPaint.setARGB(128, 255, 255, 0); mBatteryWarnPaint.setStyle(Paint.Style.STROKE); mBatteryCriticalPaint.setARGB(192, 255, 0, 0); mBatteryCriticalPaint.setStyle(Paint.Style.STROKE); mChargingPaint.setARGB(255, 0, 128, 0); mChargingPaint.setStyle(Paint.Style.STROKE); mScreenOnPaint.setStyle(Paint.Style.STROKE); mGpsOnPaint.setStyle(Paint.Style.STROKE); mWifiRunningPaint.setStyle(Paint.Style.STROKE); mWakeLockPaint.setStyle(Paint.Style.STROKE); mPhoneSignalChart.setColors( new int[] { 0x00000000, 0xffa00000, 0xffa0a000, 0xff808020, 0xff808040, 0xff808060, 0xff008000 }); mTextPaint.density = getResources().getDisplayMetrics().density; mTextPaint.setCompatibilityScaling(getResources().getCompatibilityInfo().applicationScale); TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.BatteryHistoryChart, 0, 0); ColorStateList textColor = null; int textSize = 15; int typefaceIndex = -1; int styleIndex = -1; TypedArray appearance = null; int ap = a.getResourceId(R.styleable.BatteryHistoryChart_android_textAppearance, -1); if (ap != -1) { appearance = context.obtainStyledAttributes(ap, com.android.internal.R.styleable.TextAppearance); } if (appearance != null) { int n = appearance.getIndexCount(); for (int i = 0; i < n; i++) { int attr = appearance.getIndex(i); switch (attr) { case com.android.internal.R.styleable.TextAppearance_textColor: textColor = appearance.getColorStateList(attr); break; case com.android.internal.R.styleable.TextAppearance_textSize: textSize = appearance.getDimensionPixelSize(attr, textSize); break; case com.android.internal.R.styleable.TextAppearance_typeface: typefaceIndex = appearance.getInt(attr, -1); break; case com.android.internal.R.styleable.TextAppearance_textStyle: styleIndex = appearance.getInt(attr, -1); break; } } appearance.recycle(); } int shadowcolor = 0; float dx = 0, dy = 0, r = 0; int n = a.getIndexCount(); for (int i = 0; i < n; i++) { int attr = a.getIndex(i); switch (attr) { case R.styleable.BatteryHistoryChart_android_shadowColor: shadowcolor = a.getInt(attr, 0); break; case R.styleable.BatteryHistoryChart_android_shadowDx: dx = a.getFloat(attr, 0); break; case R.styleable.BatteryHistoryChart_android_shadowDy: dy = a.getFloat(attr, 0); break; case R.styleable.BatteryHistoryChart_android_shadowRadius: r = a.getFloat(attr, 0); break; case R.styleable.BatteryHistoryChart_android_textColor: textColor = a.getColorStateList(attr); break; case R.styleable.BatteryHistoryChart_android_textSize: textSize = a.getDimensionPixelSize(attr, textSize); break; case R.styleable.BatteryHistoryChart_android_typeface: typefaceIndex = a.getInt(attr, typefaceIndex); break; case R.styleable.BatteryHistoryChart_android_textStyle: styleIndex = a.getInt(attr, styleIndex); break; } } a.recycle(); mTextPaint.setColor(textColor.getDefaultColor()); mTextPaint.setTextSize(textSize); Typeface tf = null; switch (typefaceIndex) { case SANS: tf = Typeface.SANS_SERIF; break; case SERIF: tf = Typeface.SERIF; break; case MONOSPACE: tf = Typeface.MONOSPACE; break; } setTypeface(tf, styleIndex); if (shadowcolor != 0) { mTextPaint.setShadowLayer(r, dx, dy, shadowcolor); } }