| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.test.hwui; |
| |
| import android.animation.ObjectAnimator; |
| import android.animation.ValueAnimator; |
| import android.app.Activity; |
| import android.content.Context; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.Paint; |
| import android.os.Bundle; |
| import android.text.Spannable; |
| import android.text.SpannableStringBuilder; |
| import android.text.style.BackgroundColorSpan; |
| import android.text.style.ForegroundColorSpan; |
| import android.text.style.ImageSpan; |
| import android.text.style.SuggestionSpan; |
| import android.text.style.UnderlineSpan; |
| import android.view.View; |
| import android.widget.Button; |
| import android.widget.EditText; |
| import android.widget.LinearLayout; |
| import android.widget.TextView; |
| |
| public class ViewPropertyAlphaActivity extends Activity { |
| |
| MyView myViewAlphaDefault, myViewAlphaHandled; |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| setContentView(R.layout.view_properties); |
| |
| getWindow().getDecorView().postDelayed(new Runnable() { |
| @Override |
| public void run() { |
| startAnim(R.id.button); |
| startAnim(R.id.textview); |
| startAnim(R.id.spantext); |
| startAnim(R.id.edittext); |
| startAnim(R.id.selectedtext); |
| startAnim(R.id.textviewbackground); |
| startAnim(R.id.layout); |
| startAnim(R.id.imageview); |
| startAnim(myViewAlphaDefault); |
| startAnim(myViewAlphaHandled); |
| EditText selectedText = (EditText) findViewById(R.id.selectedtext); |
| selectedText.setSelection(3, 8); |
| } |
| }, 2000); |
| |
| Button invalidator = (Button) findViewById(R.id.invalidateButton); |
| invalidator.setOnClickListener(new View.OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| findViewById(R.id.textview).invalidate(); |
| findViewById(R.id.spantext).invalidate(); |
| } |
| }); |
| |
| TextView textView = (TextView) findViewById(R.id.spantext); |
| if (textView != null) { |
| SpannableStringBuilder text = |
| new SpannableStringBuilder("Now this is a short text message with spans"); |
| |
| text.setSpan(new BackgroundColorSpan(Color.RED), 0, 3, |
| Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); |
| text.setSpan(new ForegroundColorSpan(Color.BLUE), 4, 9, |
| Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); |
| text.setSpan(new SuggestionSpan(this, new String[]{"longer"}, 3), 11, 16, |
| Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); |
| text.setSpan(new UnderlineSpan(), 17, 20, |
| Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); |
| text.setSpan(new ImageSpan(this, R.drawable.icon), 21, 22, |
| Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); |
| |
| textView.setText(text); |
| } |
| |
| LinearLayout container = (LinearLayout) findViewById(R.id.container); |
| myViewAlphaDefault = new MyView(this, false); |
| myViewAlphaDefault.setLayoutParams(new LinearLayout.LayoutParams(75, 75)); |
| container.addView(myViewAlphaDefault); |
| myViewAlphaHandled = new MyView(this, true); |
| myViewAlphaHandled.setLayoutParams(new LinearLayout.LayoutParams(75, 75)); |
| container.addView(myViewAlphaHandled); |
| } |
| |
| private void startAnim(View target) { |
| ObjectAnimator anim = ObjectAnimator.ofFloat(target, View.ALPHA, 0); |
| anim.setRepeatCount(ValueAnimator.INFINITE); |
| anim.setRepeatMode(ValueAnimator.REVERSE); |
| anim.setDuration(1000); |
| anim.start(); |
| } |
| private void startAnim(int id) { |
| startAnim(findViewById(id)); |
| } |
| |
| private static class MyView extends View { |
| private int mMyAlpha = 255; |
| private boolean mHandleAlpha; |
| private Paint mPaint = new Paint(Paint.ANTI_ALIAS_FLAG); |
| |
| private MyView(Context context, boolean handleAlpha) { |
| super(context); |
| mHandleAlpha = handleAlpha; |
| mPaint.setColor(Color.RED); |
| } |
| |
| @Override |
| protected void onDraw(Canvas canvas) { |
| if (mHandleAlpha) { |
| mPaint.setAlpha(mMyAlpha); |
| } |
| canvas.drawCircle(30, 30, 30, mPaint); |
| } |
| |
| @Override |
| protected boolean onSetAlpha(int alpha) { |
| if (mHandleAlpha) { |
| mMyAlpha = alpha; |
| return true; |
| } |
| return super.onSetAlpha(alpha); |
| } |
| } |
| |
| } |