TA貢獻1840條經(jīng)驗 獲得超5個贊
因此，據(jù)我從你的描述和我們的談話中了解到，你需要一個進度條來顯示點擊第一個和第二個按鈕之間的百分比。如果您創(chuàng)建一個 Empty Activity 項目并替換以下文件中的所有這些內(nèi)容：
MainActivity.java
public class MainActivity extends AppCompatActivity {
Button btn1;
Button btn2;
ProgressBar myBar;
TextView score1;
TextView score2;
TextView percent1;
TextView percent2;
private float firstClicked;
private float secondClicked;
@RequiresApi(api = Build.VERSION_CODES.N)
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btn1 = findViewById(R.id.btn1);
btn2 = findViewById(R.id.btn2);
myBar = findViewById(R.id.progressBar);
score1 = findViewById(R.id.score1);
score2 = findViewById(R.id.score2);
percent1 = findViewById(R.id.percent1);
percent2 = findViewById(R.id.percent2);
firstClicked = 0;
secondClicked = 0;
btn1.setOnClickListener(new View.OnClickListener() {
@RequiresApi(api = Build.VERSION_CODES.N)
@Override
public void onClick(View v) {
firstClicked++;
score1.setText(String.valueOf((int) firstClicked));
updateProgressTab();
}
});
btn2.setOnClickListener(new View.OnClickListener() {
@RequiresApi(api = Build.VERSION_CODES.N)
@Override
public void onClick(View v) {
secondClicked++;
score2.setText(String.valueOf((int) secondClicked));
updateProgressTab();
}
});
updateProgressTab();
}
@SuppressLint("SetTextI18n")
@RequiresApi(api = Build.VERSION_CODES.N)
public void updateProgressTab() {
float progress;
if (firstClicked != 0 && secondClicked != 0) {
progress = (firstClicked / (firstClicked + secondClicked)) * 100;
percent1.setText((int) progress + "%");
percent2.setText((int) (100 - progress) + "%");
} else if (firstClicked == 0 && secondClicked == 0) {
progress = 50;
} else if (firstClicked == 0) {
progress = 0;
} else {
progress = 100;
}
percent1.setText((int) progress + "%");
percent2.setText((int) (100 - progress) + "%");
myBar.setProgress((int) progress, true);
}
}
（不要忘記自動導(dǎo)入所有的東西）
res/drawable文件夾中需要創(chuàng)建custom_progressbar.xml
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<!-- Define the background properties like color etc -->
<item android:id="@android:id/background">
<shape>
<gradient
android:startColor="#000001"
android:centerColor="#0b131e"
android:centerY="1.0"
android:endColor="#0d1522"
android:angle="270"
/>
</shape>
</item>
<!-- Define the progress properties like start color, end color etc -->
<item android:id="@android:id/progress">
<clip>
<shape>
<gradient
android:startColor="#007A00"
android:centerColor="#007A00"
android:centerY="1.0"
android:endColor="#06101d"
android:angle="270"
/>
</shape>
</clip>
</item>
res/layout文件夾中的activity_main.sml
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<ProgressBar
android:id="@+id/progressBar"
style="?android:attr/progressBarStyleHorizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="25dp"
android:layout_marginLeft="25dp"
android:layout_marginTop="25dp"
android:layout_marginEnd="25dp"
android:layout_marginRight="25dp"
android:progress="50"
android:progressDrawable="@drawable/custom_progressbar"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<Button
android:id="@+id/btn1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="80dp"
android:background="#007A00"
android:text="@string/button_one"
android:textColor="#FCF8F8"
android:textStyle="bold"
app:layout_constraintEnd_toStartOf="@+id/btn2"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/progressBar" />
<Button
android:id="@+id/btn2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="80dp"
android:background="#0B131E"
android:text="@string/button_two"
android:textColor="#FFFFFF"
android:textStyle="bold"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toEndOf="@+id/btn1"
app:layout_constraintTop_toBottomOf="@+id/progressBar" />
<TextView
android:id="@+id/score1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="15dp"
android:text="@string/_0"
android:textColor="#000000"
app:layout_constraintEnd_toStartOf="@+id/score2"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/btn1" />
<TextView
android:id="@+id/score2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="15dp"
android:text="0"
android:textColor="#000000"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toEndOf="@+id/score1"
app:layout_constraintTop_toBottomOf="@+id/btn2" />
<TextView
android:id="@+id/percent1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="25dp"
android:layout_marginLeft="25dp"
android:layout_marginTop="10dp"
android:text="50%"
android:textColor="#007A00"
android:textSize="22sp"
android:textStyle="bold"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/progressBar" />
<TextView
android:id="@+id/percent2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:layout_marginEnd="25dp"
android:layout_marginRight="25dp"
android:text="50%"
android:textColor="#0B131E"
android:textSize="22sp"
android:textStyle="bold"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="@+id/progressBar" />
</android.support.constraint.ConstraintLayout>
請記住，我的項目稱為ProgressBar，因此如果您將空項目稱為ProgressBar ，從技術(shù)上講，您不需要替換任何其他內(nèi)容。
您可以從代碼中的所有細(xì)節(jié)中學(xué)習(xí)，但這基本上是您要求完成的任務(wù)。如果您難以理解某些事情，請使用Ctrl+Shift+FWindows 和Command+Shift+FMac 跨項目搜索內(nèi)容。
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