Java Android:ProgressDialog循环未显示
我尝试在应用程序中实现一个加载循环，因为它从上一个活动转换到这个活动。由于此活动中有大量计算，它在进行计算时会变成黑屏长达10到15秒，一旦计算完成，它将显示一个图像，如onCreate:Java Android:ProgressDialog循环未显示,java,android,Java,Android,我尝试在应用程序中实现一个加载循环，因为它从上一个活动转换到这个活动。由于此活动中有大量计算，它在进行计算时会变成黑屏长达10到15秒，一旦计算完成，它将显示一个图像，如onCreate:resultImage.setImageBitmap（finalBitmap）中所示 然而，圆圈并没有出现，它仍然是旧的黑屏到图像的过渡 导入： progressDialog = new ProgressDialog(this); progressDialog.setTitle(null);
resultImage.setImageBitmap（finalBitmap）中所示
然而，圆圈并没有出现，它仍然是旧的黑屏到图像的过渡
导入：
progressDialog = new ProgressDialog(this);
progressDialog.setTitle(null);
progressDialog.setCancelable(false);
@Override
public void onCreate(Bundle savedInstanceState) {
progressDialog = new ProgressDialog(this);
progressDialog.setTitle(null);
progressDialog.setCancelable(false);
progressDialog.setMessage("Processing...");
progressDialog.show();
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_auto_test);
if (!OpenCVLoader.initDebug()) {
Log.d("opencv", "OpenCVLoader.initDebug() - ERROR");
} else {
Log.d("opencv", "OpenCVLoader.initDebug() - OK");
}
String filePath = getIntent().getStringExtra(FILEPATH);
ArrayList<String> f = new ArrayList<String>();
File dir = new File(filePath);
File[] listFile;
listFile = dir.listFiles();
for (File e : listFile) {
f.add(e.getAbsolutePath());
}
paths = f;
resetVariables();
progressDialog.setMessage("Finding Objects...");
for (int xx = 0; xx < paths.size(); xx++) {
Bitmap areaBitmap = BitmapFactory.decodeFile(paths.get(xx));
getArea(areaBitmap);
}
if (loopCounter > 0) {
progressDialog.setMessage("Calculating Areas...");
meanBlackArea = blackArea / loopCounter;
Log.e("meanBlackArea", "30% of mean black " + String.valueOf(meanBlackArea * 0.3) + " 110% of mean black " + String.valueOf(meanBlackArea * 1.1));
Log.e("Loopcounter", String.valueOf(loopCounter));
}
resetVariables();
Log.e("~", "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
Log.e("Lowest Green", String.valueOf(greenArea));
Log.e("~", "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
progressDialog.setMessage("Calculating Height...");
int frameNumber = 0;
for (int x = 0; x < paths.size(); x++) {
Bitmap calculationsBitmap = BitmapFactory.decodeFile(paths.get(x));
numRectBlack = 0;
numRectGreen = 0;
tempBitmap = findCombineBitmap(calculationsBitmap);
if (check == true) {
if (Double.isInfinite(tempLineHeightCm) == false) {
frameNumber = x;
finalBitmap = tempBitmap;
}
}
}
progressDialog.setMessage("Tidying Up...");
TextView tvR = (TextView) findViewById(R.id.tvR);
if(tempLineHeightCm==0) {
tvR.setText("We could not detect a bounce!\nPlease do the following and try again:\n1. Remove all foreign objects from testing grounds.\n2.Make sure that there are ample lighting on the testing grounds.");
}else{
tvR.setText("Frame " + frameNumber + ", Bounce Height = " + tempLineHeightCm + "cm");
ImageView resultImage = (ImageView) findViewById(R.id.resultImage);
resultImage.setImageBitmap(finalBitmap);
progressDialog.dismiss();
}
}
导入android.app.ProgressDialog
声明：
progressDialog = new ProgressDialog(this);
progressDialog.setTitle(null);
progressDialog.setCancelable(false);
@Override
public void onCreate(Bundle savedInstanceState) {
progressDialog = new ProgressDialog(this);
progressDialog.setTitle(null);
progressDialog.setCancelable(false);
progressDialog.setMessage("Processing...");
progressDialog.show();
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_auto_test);
if (!OpenCVLoader.initDebug()) {
Log.d("opencv", "OpenCVLoader.initDebug() - ERROR");
} else {
Log.d("opencv", "OpenCVLoader.initDebug() - OK");
}
String filePath = getIntent().getStringExtra(FILEPATH);
ArrayList<String> f = new ArrayList<String>();
File dir = new File(filePath);
File[] listFile;
listFile = dir.listFiles();
for (File e : listFile) {
f.add(e.getAbsolutePath());
}
paths = f;
resetVariables();
progressDialog.setMessage("Finding Objects...");
for (int xx = 0; xx < paths.size(); xx++) {
Bitmap areaBitmap = BitmapFactory.decodeFile(paths.get(xx));
getArea(areaBitmap);
}
if (loopCounter > 0) {
progressDialog.setMessage("Calculating Areas...");
meanBlackArea = blackArea / loopCounter;
Log.e("meanBlackArea", "30% of mean black " + String.valueOf(meanBlackArea * 0.3) + " 110% of mean black " + String.valueOf(meanBlackArea * 1.1));
Log.e("Loopcounter", String.valueOf(loopCounter));
}
resetVariables();
Log.e("~", "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
Log.e("Lowest Green", String.valueOf(greenArea));
Log.e("~", "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
progressDialog.setMessage("Calculating Height...");
int frameNumber = 0;
for (int x = 0; x < paths.size(); x++) {
Bitmap calculationsBitmap = BitmapFactory.decodeFile(paths.get(x));
numRectBlack = 0;
numRectGreen = 0;
tempBitmap = findCombineBitmap(calculationsBitmap);
if (check == true) {
if (Double.isInfinite(tempLineHeightCm) == false) {
frameNumber = x;
finalBitmap = tempBitmap;
}
}
}
progressDialog.setMessage("Tidying Up...");
TextView tvR = (TextView) findViewById(R.id.tvR);
if(tempLineHeightCm==0) {
tvR.setText("We could not detect a bounce!\nPlease do the following and try again:\n1. Remove all foreign objects from testing grounds.\n2.Make sure that there are ample lighting on the testing grounds.");
}else{
tvR.setText("Frame " + frameNumber + ", Bounce Height = " + tempLineHeightCm + "cm");
ImageView resultImage = (ImageView) findViewById(R.id.resultImage);
resultImage.setImageBitmap(finalBitmap);
progressDialog.dismiss();
}
}
private ProgressDialog
已初始化：
progressDialog = new ProgressDialog(this);
progressDialog.setTitle(null);
progressDialog.setCancelable(false);
@Override
public void onCreate(Bundle savedInstanceState) {
progressDialog = new ProgressDialog(this);
progressDialog.setTitle(null);
progressDialog.setCancelable(false);
progressDialog.setMessage("Processing...");
progressDialog.show();
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_auto_test);
if (!OpenCVLoader.initDebug()) {
Log.d("opencv", "OpenCVLoader.initDebug() - ERROR");
} else {
Log.d("opencv", "OpenCVLoader.initDebug() - OK");
}
String filePath = getIntent().getStringExtra(FILEPATH);
ArrayList<String> f = new ArrayList<String>();
File dir = new File(filePath);
File[] listFile;
listFile = dir.listFiles();
for (File e : listFile) {
f.add(e.getAbsolutePath());
}
paths = f;
resetVariables();
progressDialog.setMessage("Finding Objects...");
for (int xx = 0; xx < paths.size(); xx++) {
Bitmap areaBitmap = BitmapFactory.decodeFile(paths.get(xx));
getArea(areaBitmap);
}
if (loopCounter > 0) {
progressDialog.setMessage("Calculating Areas...");
meanBlackArea = blackArea / loopCounter;
Log.e("meanBlackArea", "30% of mean black " + String.valueOf(meanBlackArea * 0.3) + " 110% of mean black " + String.valueOf(meanBlackArea * 1.1));
Log.e("Loopcounter", String.valueOf(loopCounter));
}
resetVariables();
Log.e("~", "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
Log.e("Lowest Green", String.valueOf(greenArea));
Log.e("~", "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
progressDialog.setMessage("Calculating Height...");
int frameNumber = 0;
for (int x = 0; x < paths.size(); x++) {
Bitmap calculationsBitmap = BitmapFactory.decodeFile(paths.get(x));
numRectBlack = 0;
numRectGreen = 0;
tempBitmap = findCombineBitmap(calculationsBitmap);
if (check == true) {
if (Double.isInfinite(tempLineHeightCm) == false) {
frameNumber = x;
finalBitmap = tempBitmap;
}
}
}
progressDialog.setMessage("Tidying Up...");
TextView tvR = (TextView) findViewById(R.id.tvR);
if(tempLineHeightCm==0) {
tvR.setText("We could not detect a bounce!\nPlease do the following and try again:\n1. Remove all foreign objects from testing grounds.\n2.Make sure that there are ample lighting on the testing grounds.");
}else{
tvR.setText("Frame " + frameNumber + ", Bounce Height = " + tempLineHeightCm + "cm");
ImageView resultImage = (ImageView) findViewById(R.id.resultImage);
resultImage.setImageBitmap(finalBitmap);
progressDialog.dismiss();
}
}
使其可见：
progressDialog = new ProgressDialog(this);
progressDialog.setTitle(null);
progressDialog.setCancelable(false);
@Override
public void onCreate(Bundle savedInstanceState) {
progressDialog = new ProgressDialog(this);
progressDialog.setTitle(null);
progressDialog.setCancelable(false);
progressDialog.setMessage("Processing...");
progressDialog.show();
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_auto_test);
if (!OpenCVLoader.initDebug()) {
Log.d("opencv", "OpenCVLoader.initDebug() - ERROR");
} else {
Log.d("opencv", "OpenCVLoader.initDebug() - OK");
}
String filePath = getIntent().getStringExtra(FILEPATH);
ArrayList<String> f = new ArrayList<String>();
File dir = new File(filePath);
File[] listFile;
listFile = dir.listFiles();
for (File e : listFile) {
f.add(e.getAbsolutePath());
}
paths = f;
resetVariables();
progressDialog.setMessage("Finding Objects...");
for (int xx = 0; xx < paths.size(); xx++) {
Bitmap areaBitmap = BitmapFactory.decodeFile(paths.get(xx));
getArea(areaBitmap);
}
if (loopCounter > 0) {
progressDialog.setMessage("Calculating Areas...");
meanBlackArea = blackArea / loopCounter;
Log.e("meanBlackArea", "30% of mean black " + String.valueOf(meanBlackArea * 0.3) + " 110% of mean black " + String.valueOf(meanBlackArea * 1.1));
Log.e("Loopcounter", String.valueOf(loopCounter));
}
resetVariables();
Log.e("~", "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
Log.e("Lowest Green", String.valueOf(greenArea));
Log.e("~", "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
progressDialog.setMessage("Calculating Height...");
int frameNumber = 0;
for (int x = 0; x < paths.size(); x++) {
Bitmap calculationsBitmap = BitmapFactory.decodeFile(paths.get(x));
numRectBlack = 0;
numRectGreen = 0;
tempBitmap = findCombineBitmap(calculationsBitmap);
if (check == true) {
if (Double.isInfinite(tempLineHeightCm) == false) {
frameNumber = x;
finalBitmap = tempBitmap;
}
}
}
progressDialog.setMessage("Tidying Up...");
TextView tvR = (TextView) findViewById(R.id.tvR);
if(tempLineHeightCm==0) {
tvR.setText("We could not detect a bounce!\nPlease do the following and try again:\n1. Remove all foreign objects from testing grounds.\n2.Make sure that there are ample lighting on the testing grounds.");
}else{
tvR.setText("Frame " + frameNumber + ", Bounce Height = " + tempLineHeightCm + "cm");
ImageView resultImage = (ImageView) findViewById(R.id.resultImage);
resultImage.setImageBitmap(finalBitmap);
progressDialog.dismiss();
}
}
progressDialog.show（）
随着代码的进展更改了其消息：
progressDialog = new ProgressDialog(this);
progressDialog.setTitle(null);
progressDialog.setCancelable(false);
@Override
public void onCreate(Bundle savedInstanceState) {
progressDialog = new ProgressDialog(this);
progressDialog.setTitle(null);
progressDialog.setCancelable(false);
progressDialog.setMessage("Processing...");
progressDialog.show();
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_auto_test);
if (!OpenCVLoader.initDebug()) {
Log.d("opencv", "OpenCVLoader.initDebug() - ERROR");
} else {
Log.d("opencv", "OpenCVLoader.initDebug() - OK");
}
String filePath = getIntent().getStringExtra(FILEPATH);
ArrayList<String> f = new ArrayList<String>();
File dir = new File(filePath);
File[] listFile;
listFile = dir.listFiles();
for (File e : listFile) {
f.add(e.getAbsolutePath());
}
paths = f;
resetVariables();
progressDialog.setMessage("Finding Objects...");
for (int xx = 0; xx < paths.size(); xx++) {
Bitmap areaBitmap = BitmapFactory.decodeFile(paths.get(xx));
getArea(areaBitmap);
}
if (loopCounter > 0) {
progressDialog.setMessage("Calculating Areas...");
meanBlackArea = blackArea / loopCounter;
Log.e("meanBlackArea", "30% of mean black " + String.valueOf(meanBlackArea * 0.3) + " 110% of mean black " + String.valueOf(meanBlackArea * 1.1));
Log.e("Loopcounter", String.valueOf(loopCounter));
}
resetVariables();
Log.e("~", "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
Log.e("Lowest Green", String.valueOf(greenArea));
Log.e("~", "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
progressDialog.setMessage("Calculating Height...");
int frameNumber = 0;
for (int x = 0; x < paths.size(); x++) {
Bitmap calculationsBitmap = BitmapFactory.decodeFile(paths.get(x));
numRectBlack = 0;
numRectGreen = 0;
tempBitmap = findCombineBitmap(calculationsBitmap);
if (check == true) {
if (Double.isInfinite(tempLineHeightCm) == false) {
frameNumber = x;
finalBitmap = tempBitmap;
}
}
}
progressDialog.setMessage("Tidying Up...");
TextView tvR = (TextView) findViewById(R.id.tvR);
if(tempLineHeightCm==0) {
tvR.setText("We could not detect a bounce!\nPlease do the following and try again:\n1. Remove all foreign objects from testing grounds.\n2.Make sure that there are ample lighting on the testing grounds.");
}else{
tvR.setText("Frame " + frameNumber + ", Bounce Height = " + tempLineHeightCm + "cm");
ImageView resultImage = (ImageView) findViewById(R.id.resultImage);
resultImage.setImageBitmap(finalBitmap);
progressDialog.dismiss();
}
}
progressDialog.setMessage（“查找对象…”）
progressDialog.setMessage（“计算面积…”）
progressDialog.setMessage（“计算高度…”）
。。。等等
onCreate:
progressDialog = new ProgressDialog(this);
progressDialog.setTitle(null);
progressDialog.setCancelable(false);
@Override
public void onCreate(Bundle savedInstanceState) {
progressDialog = new ProgressDialog(this);
progressDialog.setTitle(null);
progressDialog.setCancelable(false);
progressDialog.setMessage("Processing...");
progressDialog.show();
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_auto_test);
if (!OpenCVLoader.initDebug()) {
Log.d("opencv", "OpenCVLoader.initDebug() - ERROR");
} else {
Log.d("opencv", "OpenCVLoader.initDebug() - OK");
}
String filePath = getIntent().getStringExtra(FILEPATH);
ArrayList<String> f = new ArrayList<String>();
File dir = new File(filePath);
File[] listFile;
listFile = dir.listFiles();
for (File e : listFile) {
f.add(e.getAbsolutePath());
}
paths = f;
resetVariables();
progressDialog.setMessage("Finding Objects...");
for (int xx = 0; xx < paths.size(); xx++) {
Bitmap areaBitmap = BitmapFactory.decodeFile(paths.get(xx));
getArea(areaBitmap);
}
if (loopCounter > 0) {
progressDialog.setMessage("Calculating Areas...");
meanBlackArea = blackArea / loopCounter;
Log.e("meanBlackArea", "30% of mean black " + String.valueOf(meanBlackArea * 0.3) + " 110% of mean black " + String.valueOf(meanBlackArea * 1.1));
Log.e("Loopcounter", String.valueOf(loopCounter));
}
resetVariables();
Log.e("~", "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
Log.e("Lowest Green", String.valueOf(greenArea));
Log.e("~", "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
progressDialog.setMessage("Calculating Height...");
int frameNumber = 0;
for (int x = 0; x < paths.size(); x++) {
Bitmap calculationsBitmap = BitmapFactory.decodeFile(paths.get(x));
numRectBlack = 0;
numRectGreen = 0;
tempBitmap = findCombineBitmap(calculationsBitmap);
if (check == true) {
if (Double.isInfinite(tempLineHeightCm) == false) {
frameNumber = x;
finalBitmap = tempBitmap;
}
}
}
progressDialog.setMessage("Tidying Up...");
TextView tvR = (TextView) findViewById(R.id.tvR);
if(tempLineHeightCm==0) {
tvR.setText("We could not detect a bounce!\nPlease do the following and try again:\n1. Remove all foreign objects from testing grounds.\n2.Make sure that there are ample lighting on the testing grounds.");
}else{
tvR.setText("Frame " + frameNumber + ", Bounce Height = " + tempLineHeightCm + "cm");
ImageView resultImage = (ImageView) findViewById(R.id.resultImage);
resultImage.setImageBitmap(finalBitmap);
progressDialog.dismiss();
}
}
@覆盖
创建时的公共void（Bundle savedInstanceState）{
progressDialog=新建progressDialog（此）；
progressDialog.setTitle（空）；
progressDialog.setCancelable（假）；
progressDialog.setMessage（“处理…”）；
progressDialog.show（）；
super.onCreate（savedInstanceState）；
setContentView（R.layout.activity\u auto\u test）；
如果（！OpenCVLoader.initDebug（））{
Log.d（“opencv”、“OpenCVLoader.initDebug（）-ERROR”）；
}否则{
Log.d（“opencv”、“OpenCVLoader.initDebug（）-OK”）；
}
字符串filePath=getIntent（）.getStringExtra（文件路径）；
ArrayList f=新的ArrayList（）；
文件目录=新文件（文件路径）；
文件[]列表文件；
listFile=dir.listFiles（）；
用于（文件e:listFile）{
f、 添加（例如getAbsolutePath（））；
}
路径=f；
重置变量（）；
progressDialog.setMessage（“查找对象…”）；
对于（int xx=0；xx0）{
progressDialog.setMessage（“计算面积…”）；
平均黑区=黑区/环路计数器；
Log.e（“平均黑色面积”、“平均黑色面积的30%”加上串值of（平均黑色面积*0.3）+“平均黑色面积的110%”加上串值of（平均黑色面积*1.1））；
Log.e（“Loopcounter”，String.valueOf（Loopcounter））；
}
重置变量（）；
Log.e（“~”，“~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~；
Log.e（“最低绿色”，String.valueOf（绿色区域））；
Log.e（“~”，“~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~；
progressDialog.setMessage（“计算高度…”）；
int frameNumber=0；
对于（int x=0；x
代码文件链接：
progressDialog = new ProgressDialog(this);
progressDialog.setTitle(null);
progressDialog.setCancelable(false);
@Override
public void onCreate(Bundle savedInstanceState) {
progressDialog = new ProgressDialog(this);
progressDialog.setTitle(null);
progressDialog.setCancelable(false);
progressDialog.setMessage("Processing...");
progressDialog.show();
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_auto_test);
if (!OpenCVLoader.initDebug()) {
Log.d("opencv", "OpenCVLoader.initDebug() - ERROR");
} else {
Log.d("opencv", "OpenCVLoader.initDebug() - OK");
}
String filePath = getIntent().getStringExtra(FILEPATH);
ArrayList<String> f = new ArrayList<String>();
File dir = new File(filePath);
File[] listFile;
listFile = dir.listFiles();
for (File e : listFile) {
f.add(e.getAbsolutePath());
}
paths = f;
resetVariables();
progressDialog.setMessage("Finding Objects...");
for (int xx = 0; xx < paths.size(); xx++) {
Bitmap areaBitmap = BitmapFactory.decodeFile(paths.get(xx));
getArea(areaBitmap);
}
if (loopCounter > 0) {
progressDialog.setMessage("Calculating Areas...");
meanBlackArea = blackArea / loopCounter;
Log.e("meanBlackArea", "30% of mean black " + String.valueOf(meanBlackArea * 0.3) + " 110% of mean black " + String.valueOf(meanBlackArea * 1.1));
Log.e("Loopcounter", String.valueOf(loopCounter));
}
resetVariables();
Log.e("~", "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
Log.e("Lowest Green", String.valueOf(greenArea));
Log.e("~", "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
progressDialog.setMessage("Calculating Height...");
int frameNumber = 0;
for (int x = 0; x < paths.size(); x++) {
Bitmap calculationsBitmap = BitmapFactory.decodeFile(paths.get(x));
numRectBlack = 0;
numRectGreen = 0;
tempBitmap = findCombineBitmap(calculationsBitmap);
if (check == true) {
if (Double.isInfinite(tempLineHeightCm) == false) {
frameNumber = x;
finalBitmap = tempBitmap;
}
}
}
progressDialog.setMessage("Tidying Up...");
TextView tvR = (TextView) findViewById(R.id.tvR);
if(tempLineHeightCm==0) {
tvR.setText("We could not detect a bounce!\nPlease do the following and try again:\n1. Remove all foreign objects from testing grounds.\n2.Make sure that there are ample lighting on the testing grounds.");
}else{
tvR.setText("Frame " + frameNumber + ", Bounce Height = " + tempLineHeightCm + "cm");
ImageView resultImage = (ImageView) findViewById(R.id.resultImage);
resultImage.setImageBitmap(finalBitmap);
progressDialog.dismiss();
}
}
注:
MainActivity.java有一个工作循环
java是我正在研究的一个
显示ProgressDialog
，启动新的AsyncTask
并在后台执行繁重的计算。AsyncTask
完成后，隐藏进度对话框并转到下一个活动
如果您不知道如何使用AsyncTask
，请检查参考文件显示进度对话框
，启动新的AsyncTask
，并在后台执行繁重的计算。AsyncTask
完成后，隐藏进度对话框并转到下一个活动
如果您不知道如何使用AsyncTask
，请查看参考资料